./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.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_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/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 6d213bb73df5e8110170d83073afe858aea401c0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:37:11,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:37:11,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:37:11,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:37:11,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:37:11,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:37:11,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:37:11,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:37:11,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:37:11,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:37:11,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:37:11,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:37:11,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:37:11,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:37:11,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:37:11,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:37:11,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:37:11,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:37:11,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:37:11,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:37:11,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:37:11,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:37:11,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:37:11,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:37:11,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:37:11,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:37:11,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:37:11,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:37:11,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:37:11,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:37:11,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:37:11,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:37:11,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:37:11,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:37:11,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:37:11,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:37:11,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:37:11,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:37:11,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:37:11,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:37:11,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:37:11,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 19:37:11,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:37:11,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:37:11,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:37:11,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:37:11,656 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:37:11,656 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:37:11,656 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:37:11,657 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:37:11,657 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:37:11,657 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:37:11,658 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:37:11,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:37:11,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:37:11,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:37:11,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:37:11,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:37:11,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:37:11,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:37:11,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:37:11,661 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:37:11,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:37:11,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:37:11,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:37:11,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:37:11,662 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:37:11,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:37:11,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:37:11,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:37:11,663 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:37:11,666 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:37:11,666 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_bfaff128-72ee-4ab3-91e4-9b6345122e4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d213bb73df5e8110170d83073afe858aea401c0 [2020-11-29 19:37:12,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:37:12,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:37:12,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:37:12,081 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:37:12,084 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:37:12,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2020-11-29 19:37:12,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/data/230722f3b/827a14d5fe884c3f9f98078d94dc1cb0/FLAG2e667b960 [2020-11-29 19:37:12,930 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:37:12,931 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2020-11-29 19:37:12,949 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/data/230722f3b/827a14d5fe884c3f9f98078d94dc1cb0/FLAG2e667b960 [2020-11-29 19:37:13,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/data/230722f3b/827a14d5fe884c3f9f98078d94dc1cb0 [2020-11-29 19:37:13,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:37:13,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:37:13,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:37:13,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:37:13,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:37:13,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e501e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13, skipping insertion in model container [2020-11-29 19:37:13,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:37:13,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:37:13,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:37:13,607 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:37:13,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:37:13,708 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:37:13,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13 WrapperNode [2020-11-29 19:37:13,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:37:13,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:37:13,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:37:13,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:37:13,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:37:13,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:37:13,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:37:13,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:37:13,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... [2020-11-29 19:37:13,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:37:13,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:37:13,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:37:13,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:37:13,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:37:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:37:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:37:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:37:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:37:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:37:14,462 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:37:14,462 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 19:37:14,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:37:14 BoogieIcfgContainer [2020-11-29 19:37:14,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:37:14,466 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:37:14,466 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:37:14,470 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:37:14,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:37:14,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:37:13" (1/3) ... [2020-11-29 19:37:14,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d224278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:37:14, skipping insertion in model container [2020-11-29 19:37:14,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:37:14,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:37:13" (2/3) ... [2020-11-29 19:37:14,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d224278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:37:14, skipping insertion in model container [2020-11-29 19:37:14,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:37:14,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:37:14" (3/3) ... [2020-11-29 19:37:14,477 INFO L373 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-2.i [2020-11-29 19:37:14,554 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:37:14,554 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:37:14,555 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:37:14,555 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:37:14,555 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:37:14,555 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:37:14,555 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:37:14,556 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:37:14,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-29 19:37:14,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 19:37:14,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:37:14,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:37:14,599 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:37:14,600 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 19:37:14,600 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:37:14,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2020-11-29 19:37:14,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2020-11-29 19:37:14,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:37:14,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:37:14,603 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:37:14,603 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 19:37:14,612 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 19#L570true assume !(main_~length~0 < 1); 3#L570-2true assume !(main_~n~1 < 1); 13#L573-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 7#L553true assume 0 != cstrlcpy_~n~0 % 4294967296; 12#L554-3true [2020-11-29 19:37:14,612 INFO L796 eck$LassoCheckResult]: Loop: 12#L554-3true cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 8#L554-1true assume !!(0 != cstrlcpy_#t~pre2 % 4294967296);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 4#L555true assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset; 12#L554-3true [2020-11-29 19:37:14,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2020-11-29 19:37:14,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:14,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503692552] [2020-11-29 19:37:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:14,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:14,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:14,820 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:14,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:14,822 INFO L82 PathProgramCache]: Analyzing trace with hash 52795, now seen corresponding path program 1 times [2020-11-29 19:37:14,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:14,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197820933] [2020-11-29 19:37:14,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:14,842 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:14,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:14,860 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:14,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:14,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1298289360, now seen corresponding path program 1 times [2020-11-29 19:37:14,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:14,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786489049] [2020-11-29 19:37:14,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:14,913 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:14,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:14,999 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:15,202 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-11-29 19:37:15,372 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 19:37:16,245 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2020-11-29 19:37:16,561 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-29 19:37:16,586 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:37:16,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:37:16,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:37:16,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:37:16,587 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:37:16,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:16,588 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:37:16,588 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:37:16,588 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration1_Lasso [2020-11-29 19:37:16,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:37:16,588 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:37:16,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:16,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,477 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2020-11-29 19:37:17,887 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-11-29 19:37:17,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:17,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:18,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:18,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:18,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:18,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:18,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:18,643 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-29 19:37:18,756 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-11-29 19:37:19,399 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-29 19:37:19,746 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:37:19,752 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/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) [2020-11-29 19:37:19,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:19,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:19,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:37:19,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:19,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:19,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:19,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:37:19,774 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 [2020-11-29 19:37:19,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:19,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:19,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:19,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:19,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:19,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:19,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:19,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:19,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:37:19,946 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-11-29 19:37:19,946 INFO L444 ModelExtractionUtils]: 18 out of 28 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:19,954 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:19,978 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 19:37:19,978 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:37:19,979 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 Supporting invariants [] [2020-11-29 19:37:20,125 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2020-11-29 19:37:20,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:37:20,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:20,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 19:37:20,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:20,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 19:37:20,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:20,496 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 [2020-11-29 19:37:20,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states. Second operand 5 states. [2020-11-29 19:37:20,639 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states.. Second operand 5 states. Result 49 states and 70 transitions. Complement of second has 7 states. [2020-11-29 19:37:20,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:37:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 19:37:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2020-11-29 19:37:20,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-29 19:37:20,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:37:20,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 9 letters. Loop has 3 letters. [2020-11-29 19:37:20,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:37:20,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 6 letters. [2020-11-29 19:37:20,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:37:20,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 70 transitions. [2020-11-29 19:37:20,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:37:20,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 10 states and 13 transitions. [2020-11-29 19:37:20,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-29 19:37:20,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-29 19:37:20,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2020-11-29 19:37:20,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:37:20,676 INFO L691 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-29 19:37:20,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2020-11-29 19:37:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-29 19:37:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-29 19:37:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2020-11-29 19:37:20,707 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-29 19:37:20,707 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2020-11-29 19:37:20,707 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:37:20,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2020-11-29 19:37:20,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:37:20,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:37:20,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:37:20,712 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:37:20,713 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:37:20,713 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 190#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 191#L570 assume !(main_~length~0 < 1); 195#L570-2 assume !(main_~n~1 < 1); 196#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 192#L553 assume !(0 != cstrlcpy_~n~0 % 4294967296); 193#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 197#L560 assume !(0 != cstrlcpy_~siz % 4294967296); 199#L562-2 [2020-11-29 19:37:20,713 INFO L796 eck$LassoCheckResult]: Loop: 199#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 198#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 199#L562-2 [2020-11-29 19:37:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:20,714 INFO L82 PathProgramCache]: Analyzing trace with hash 180447461, now seen corresponding path program 1 times [2020-11-29 19:37:20,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:20,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751615157] [2020-11-29 19:37:20,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:20,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:20,817 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:20,823 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:20,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:20,824 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 1 times [2020-11-29 19:37:20,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:20,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228925222] [2020-11-29 19:37:20,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:20,830 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:20,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:20,849 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:20,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:20,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1611319850, now seen corresponding path program 1 times [2020-11-29 19:37:20,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:20,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063735759] [2020-11-29 19:37:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:20,901 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:20,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:20,955 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:21,652 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 97 [2020-11-29 19:37:21,845 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-29 19:37:21,859 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:37:21,859 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:37:21,859 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:37:21,859 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:37:21,859 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:37:21,859 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:21,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:37:21,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:37:21,860 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration2_Lasso [2020-11-29 19:37:21,860 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:37:21,860 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:37:21,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:21,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:21,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:21,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:21,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:21,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:21,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,427 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-11-29 19:37:22,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:37:22,856 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-11-29 19:37:23,334 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-11-29 19:37:23,601 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:37:23,602 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/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) [2020-11-29 19:37:23,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:37:23,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:37:23,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:23,619 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:23,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:37:23,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:37:23,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:37:23,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:23,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:23,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:23,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:23,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:37:23,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:37:23,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:37:23,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/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 [2020-11-29 19:37:23,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:23,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:23,806 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:23,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:37:23,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:37:23,860 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 [2020-11-29 19:37:23,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/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) [2020-11-29 19:37:23,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:23,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:23,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:23,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:23,912 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:23,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:23,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:23,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:37:23,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:23,966 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 19:37:23,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:23,967 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-29 19:37:23,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:37:23,970 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,018 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 [2020-11-29 19:37:24,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:24,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:24,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:24,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:24,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:24,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:24,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:24,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:24,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:24,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:24,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:24,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:24,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:24,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:24,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:24,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:24,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:24,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:24,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:24,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:24,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:24,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:24,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:24,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:24,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:37:24,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:24,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:24,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:24,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:24,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:37:24,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:37:24,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:37:24,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:37:24,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:37:24,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:37:24,405 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:37:24,439 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-11-29 19:37:24,439 INFO L444 ModelExtractionUtils]: 20 out of 28 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bfaff128-72ee-4ab3-91e4-9b6345122e4a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:37:24,449 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:37:24,453 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 19:37:24,454 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:37:24,454 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2, ULTIMATE.start_cstrlcpy_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_2 - 1*ULTIMATE.start_cstrlcpy_~s~0.offset Supporting invariants [] [2020-11-29 19:37:24,593 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2020-11-29 19:37:24,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:37:24,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:24,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 19:37:24,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:24,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 19:37:24,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:37:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:24,787 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 [2020-11-29 19:37:24,788 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand 4 states. [2020-11-29 19:37:24,842 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 14 states and 17 transitions. Complement of second has 5 states. [2020-11-29 19:37:24,844 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 [2020-11-29 19:37:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-29 19:37:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2020-11-29 19:37:24,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2020-11-29 19:37:24,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:37:24,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 10 letters. Loop has 2 letters. [2020-11-29 19:37:24,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:37:24,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-29 19:37:24,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:37:24,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2020-11-29 19:37:24,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:37:24,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 12 transitions. [2020-11-29 19:37:24,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-29 19:37:24,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-29 19:37:24,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2020-11-29 19:37:24,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:37:24,850 INFO L691 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-29 19:37:24,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2020-11-29 19:37:24,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-29 19:37:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-29 19:37:24,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-11-29 19:37:24,852 INFO L714 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-29 19:37:24,852 INFO L594 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-11-29 19:37:24,852 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-29 19:37:24,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2020-11-29 19:37:24,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-29 19:37:24,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:37:24,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:37:24,854 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:37:24,854 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-29 19:37:24,854 INFO L794 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 307#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~ret12, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 308#L570 assume !(main_~length~0 < 1); 313#L570-2 assume !(main_~n~1 < 1); 314#L573-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 309#L553 assume !(0 != cstrlcpy_~n~0 % 4294967296); 310#L553-1 assume 0 == cstrlcpy_~n~0 % 4294967296; 312#L560 assume 0 != cstrlcpy_~siz % 4294967296;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 316#L562-2 [2020-11-29 19:37:24,854 INFO L796 eck$LassoCheckResult]: Loop: 316#L562-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 315#L562 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 316#L562-2 [2020-11-29 19:37:24,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash 180447459, now seen corresponding path program 1 times [2020-11-29 19:37:24,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:24,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349607991] [2020-11-29 19:37:24,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:37:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:37:24,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349607991] [2020-11-29 19:37:24,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:37:24,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:37:24,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908203562] [2020-11-29 19:37:25,000 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-29 19:37:25,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:37:25,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 2 times [2020-11-29 19:37:25,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:37:25,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354685070] [2020-11-29 19:37:25,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:37:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:25,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:37:25,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:37:25,016 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:37:25,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:37:25,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:37:25,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:37:25,075 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-29 19:37:25,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:37:25,104 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-11-29 19:37:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:37:25,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2020-11-29 19:37:25,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:37:25,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. [2020-11-29 19:37:25,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 19:37:25,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 19:37:25,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 19:37:25,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:37:25,107 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:37:25,107 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:37:25,107 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:37:25,107 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-29 19:37:25,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:37:25,108 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:37:25,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 19:37:25,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:37:25 BoogieIcfgContainer [2020-11-29 19:37:25,114 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:37:25,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:37:25,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:37:25,118 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:37:25,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:37:14" (3/4) ... [2020-11-29 19:37:25,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:37:25,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:37:25,129 INFO L168 Benchmark]: Toolchain (without parser) took 11932.10 ms. Allocated memory was 113.2 MB in the beginning and 222.3 MB in the end (delta: 109.1 MB). Free memory was 86.4 MB in the beginning and 158.3 MB in the end (delta: -71.9 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:25,130 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 71.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:25,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.66 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 86.4 MB in the beginning and 118.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:25,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.41 ms. Allocated memory is still 153.1 MB. Free memory was 118.9 MB in the beginning and 117.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:25,132 INFO L168 Benchmark]: Boogie Preprocessor took 31.00 ms. Allocated memory is still 153.1 MB. Free memory was 117.3 MB in the beginning and 115.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:25,133 INFO L168 Benchmark]: RCFGBuilder took 673.22 ms. Allocated memory is still 153.1 MB. Free memory was 115.8 MB in the beginning and 99.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:25,136 INFO L168 Benchmark]: BuchiAutomizer took 10648.26 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 98.4 MB in the beginning and 158.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:37:25,137 INFO L168 Benchmark]: Witness Printer took 4.62 ms. Allocated memory is still 222.3 MB. Free memory is still 158.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:37:25,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 71.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.66 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 86.4 MB in the beginning and 118.9 MB in the end (delta: -32.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.41 ms. Allocated memory is still 153.1 MB. Free memory was 118.9 MB in the beginning and 117.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.00 ms. Allocated memory is still 153.1 MB. Free memory was 117.3 MB in the beginning and 115.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 673.22 ms. Allocated memory is still 153.1 MB. Free memory was 115.8 MB in the beginning and 99.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10648.26 ms. Allocated memory was 153.1 MB in the beginning and 222.3 MB in the end (delta: 69.2 MB). Free memory was 98.4 MB in the beginning and 158.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.62 ms. Allocated memory is still 222.3 MB. Free memory is still 158.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 9.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 46 SDtfs, 42 SDslu, 34 SDs, 0 SdLazy, 20 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital228 mio100 ax108 hnf99 lsp90 ukn82 mio100 lsp31 div186 bol100 ite100 ukn100 eq171 hnf64 smp93 dnf100 smp100 tf101 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 156ms VariablesStem: 8 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...