./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec44769dd8ec2458ec6b2661de33ae1a5c9404da ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:00:08,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:00:08,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:00:08,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:00:08,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:00:08,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:00:08,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:00:08,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:00:08,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:00:08,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:00:08,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:00:08,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:00:08,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:00:08,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:00:08,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:00:08,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:00:08,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:00:08,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:00:08,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:00:08,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:00:08,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:00:08,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:00:08,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:00:08,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:00:08,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:00:08,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:00:08,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:00:08,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:00:08,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:00:08,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:00:08,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:00:08,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:00:08,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:00:08,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:00:08,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:00:08,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:00:08,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:00:08,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:00:08,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:00:08,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:00:08,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:00:08,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 14:00:08,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:00:08,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:00:08,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:00:08,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:00:08,513 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:00:08,513 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 14:00:08,513 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 14:00:08,513 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 14:00:08,513 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 14:00:08,513 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 14:00:08,514 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 14:00:08,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:00:08,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:00:08,514 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 14:00:08,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:00:08,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:00:08,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:00:08,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 14:00:08,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:00:08,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:00:08,516 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 14:00:08,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:00:08,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:00:08,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:00:08,516 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 14:00:08,517 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 14:00:08,517 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec44769dd8ec2458ec6b2661de33ae1a5c9404da [2019-12-07 14:00:08,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:00:08,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:00:08,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:00:08,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:00:08,628 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:00:08,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2019-12-07 14:00:08,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/data/7c96465a4/fa51c8334f184f72b3179aa2a81f94e0/FLAG3fd1aaafc [2019-12-07 14:00:09,026 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:00:09,026 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2019-12-07 14:00:09,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/data/7c96465a4/fa51c8334f184f72b3179aa2a81f94e0/FLAG3fd1aaafc [2019-12-07 14:00:09,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/data/7c96465a4/fa51c8334f184f72b3179aa2a81f94e0 [2019-12-07 14:00:09,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:00:09,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:00:09,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:00:09,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:00:09,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:00:09,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a374d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09, skipping insertion in model container [2019-12-07 14:00:09,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:00:09,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:00:09,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:00:09,291 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:00:09,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:00:09,348 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:00:09,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09 WrapperNode [2019-12-07 14:00:09,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:00:09,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:00:09,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:00:09,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:00:09,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:00:09,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:00:09,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:00:09,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:00:09,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... [2019-12-07 14:00:09,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:00:09,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:00:09,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:00:09,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:00:09,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:00:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:00:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:00:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:00:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:00:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:00:09,601 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:00:09,601 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-07 14:00:09,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:00:09 BoogieIcfgContainer [2019-12-07 14:00:09,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:00:09,603 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 14:00:09,603 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 14:00:09,605 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 14:00:09,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:00:09,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 02:00:09" (1/3) ... [2019-12-07 14:00:09,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70067a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:00:09, skipping insertion in model container [2019-12-07 14:00:09,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:00:09,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:00:09" (2/3) ... [2019-12-07 14:00:09,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70067a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 02:00:09, skipping insertion in model container [2019-12-07 14:00:09,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 14:00:09,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:00:09" (3/3) ... [2019-12-07 14:00:09,607 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-2.i [2019-12-07 14:00:09,638 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 14:00:09,638 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 14:00:09,638 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 14:00:09,638 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:00:09,638 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:00:09,638 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 14:00:09,638 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:00:09,638 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 14:00:09,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 14:00:09,661 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2019-12-07 14:00:09,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:00:09,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:00:09,666 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 14:00:09,666 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:00:09,666 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 14:00:09,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-12-07 14:00:09,667 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2019-12-07 14:00:09,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:00:09,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:00:09,668 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 14:00:09,668 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:00:09,673 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 9#L532true assume !(main_~length~0 < 1); 13#L532-2true assume !(main_~n~0 < 1); 7#L535-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 21#L541-3true [2019-12-07 14:00:09,673 INFO L796 eck$LassoCheckResult]: Loop: 21#L541-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 17#L541-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 21#L541-3true [2019-12-07 14:00:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:09,677 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-12-07 14:00:09,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:09,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349328964] [2019-12-07 14:00:09,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:09,772 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:09,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:09,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2019-12-07 14:00:09,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:09,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527489936] [2019-12-07 14:00:09,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:09,786 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:09,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:09,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2019-12-07 14:00:09,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:09,787 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212263728] [2019-12-07 14:00:09,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:09,815 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:09,956 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-12-07 14:00:10,021 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:00:10,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:00:10,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:00:10,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:00:10,022 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:00:10,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:10,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:00:10,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:00:10,022 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration1_Lasso [2019-12-07 14:00:10,022 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:00:10,022 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:00:10,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:10,360 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:00:10,364 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:10,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:10,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:10,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:10,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:10,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:10,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:10,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:10,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:10,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:10,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:10,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:10,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:10,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:10,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:10,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:10,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:10,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:10,383 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:10,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:10,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:10,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:10,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:10,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:10,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:10,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:10,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:10,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:10,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:10,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:10,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:10,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:10,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:10,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:10,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:10,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/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 [2019-12-07 14:00:10,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:10,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:10,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:10,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:10,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:10,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:10,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:10,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:00:10,463 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-12-07 14:00:10,463 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/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 [2019-12-07 14:00:10,467 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:00:10,470 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:00:10,470 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:00:10,471 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2019-12-07 14:00:10,490 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-12-07 14:00:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:10,532 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 14:00:10,533 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:00:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:10,547 INFO L264 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 14:00:10,547 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:00:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:10,573 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 14:00:10,574 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 3 states. [2019-12-07 14:00:10,617 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 3 states. Result 48 states and 70 transitions. Complement of second has 7 states. [2019-12-07 14:00:10,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 14:00:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 14:00:10,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2019-12-07 14:00:10,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 14:00:10,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:10,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 14:00:10,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:10,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 14:00:10,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:10,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 70 transitions. [2019-12-07 14:00:10,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 14:00:10,633 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 16 states and 21 transitions. [2019-12-07 14:00:10,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-12-07 14:00:10,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-12-07 14:00:10,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2019-12-07 14:00:10,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:00:10,636 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 14:00:10,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2019-12-07 14:00:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 14:00:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 14:00:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-12-07 14:00:10,663 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 14:00:10,663 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-12-07 14:00:10,663 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 14:00:10,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2019-12-07 14:00:10,664 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 14:00:10,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:00:10,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:00:10,665 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:10,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:00:10,666 INFO L794 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 146#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~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 147#L532 assume !(main_~length~0 < 1); 148#L532-2 assume !(main_~n~0 < 1); 144#L535-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~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_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 145#L541-3 assume !(main_~i~0 < main_~length~0 - 1); 142#L541-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset, cstrncpy_#in~src.base, cstrncpy_#in~src.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~pre6, cstrncpy_#t~pre2, cstrncpy_~d~0.base, cstrncpy_~d~0.offset, cstrncpy_~s~0.base, cstrncpy_~s~0.offset, cstrncpy_~dst.base, cstrncpy_~dst.offset, cstrncpy_~src.base, cstrncpy_~src.offset, cstrncpy_~n;cstrncpy_~dst.base, cstrncpy_~dst.offset := cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset;cstrncpy_~src.base, cstrncpy_~src.offset := cstrncpy_#in~src.base, cstrncpy_#in~src.offset;cstrncpy_~n := cstrncpy_#in~n; 140#L516 assume 0 != cstrncpy_~n % 4294967296;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_~dst.base, cstrncpy_~dst.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_~src.base, cstrncpy_~src.offset; 141#L519-4 [2019-12-07 14:00:10,666 INFO L796 eck$LassoCheckResult]: Loop: 141#L519-4 cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~d~0.base, cstrncpy_~d~0.offset;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~s~0.base, cstrncpy_~s~0.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 143#L520 assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~mem5;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset; 152#L519-1 cstrncpy_#t~pre2 := cstrncpy_~n - 1;cstrncpy_~n := cstrncpy_~n - 1; 153#L519-2 assume !!(0 != cstrncpy_#t~pre2 % 4294967296);havoc cstrncpy_#t~pre2; 141#L519-4 [2019-12-07 14:00:10,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:10,666 INFO L82 PathProgramCache]: Analyzing trace with hash 180430706, now seen corresponding path program 1 times [2019-12-07 14:00:10,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:10,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182105952] [2019-12-07 14:00:10,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:10,708 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:10,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:10,708 INFO L82 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 1 times [2019-12-07 14:00:10,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:10,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064909339] [2019-12-07 14:00:10,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:10,734 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:10,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:10,735 INFO L82 PathProgramCache]: Analyzing trace with hash -299020919, now seen corresponding path program 1 times [2019-12-07 14:00:10,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:10,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495435548] [2019-12-07 14:00:10,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:10,865 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495435548] [2019-12-07 14:00:10,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:00:10,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 14:00:10,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643572794] [2019-12-07 14:00:10,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:00:10,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:00:10,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:00:10,951 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand 8 states. [2019-12-07 14:00:11,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:00:11,070 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2019-12-07 14:00:11,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:00:11,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2019-12-07 14:00:11,072 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2019-12-07 14:00:11,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 28 transitions. [2019-12-07 14:00:11,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-12-07 14:00:11,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-12-07 14:00:11,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2019-12-07 14:00:11,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:00:11,073 INFO L688 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2019-12-07 14:00:11,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2019-12-07 14:00:11,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2019-12-07 14:00:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 14:00:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2019-12-07 14:00:11,075 INFO L711 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 14:00:11,075 INFO L591 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2019-12-07 14:00:11,075 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 14:00:11,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2019-12-07 14:00:11,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-12-07 14:00:11,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:00:11,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:00:11,076 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:11,076 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 14:00:11,077 INFO L794 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#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~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 208#L532 assume !(main_~length~0 < 1); 209#L532-2 assume !(main_~n~0 < 1); 205#L535-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~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_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 206#L541-3 assume !(main_~i~0 < main_~length~0 - 1); 218#L541-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset, cstrncpy_#in~src.base, cstrncpy_#in~src.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~pre6, cstrncpy_#t~pre2, cstrncpy_~d~0.base, cstrncpy_~d~0.offset, cstrncpy_~s~0.base, cstrncpy_~s~0.offset, cstrncpy_~dst.base, cstrncpy_~dst.offset, cstrncpy_~src.base, cstrncpy_~src.offset, cstrncpy_~n;cstrncpy_~dst.base, cstrncpy_~dst.offset := cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset;cstrncpy_~src.base, cstrncpy_~src.offset := cstrncpy_#in~src.base, cstrncpy_#in~src.offset;cstrncpy_~n := cstrncpy_#in~n; 200#L516 assume 0 != cstrncpy_~n % 4294967296;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_~dst.base, cstrncpy_~dst.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_~src.base, cstrncpy_~src.offset; 201#L519-4 cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~d~0.base, cstrncpy_~d~0.offset;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~s~0.base, cstrncpy_~s~0.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 204#L520 assume 0 == cstrncpy_#t~mem5;havoc cstrncpy_#t~mem5;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset; 212#L521-3 [2019-12-07 14:00:11,077 INFO L796 eck$LassoCheckResult]: Loop: 212#L521-3 cstrncpy_#t~pre6 := cstrncpy_~n - 1;cstrncpy_~n := cstrncpy_~n - 1; 211#L521-1 assume !!(0 != cstrncpy_#t~pre6 % 4294967296);havoc cstrncpy_#t~pre6;cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset := cstrncpy_~d~0.base, cstrncpy_~d~0.offset;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_#t~post7.base, 1 + cstrncpy_#t~post7.offset;call write~int(0, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, 1);havoc cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset; 212#L521-3 [2019-12-07 14:00:11,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:11,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1595217781, now seen corresponding path program 1 times [2019-12-07 14:00:11,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:11,077 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286322923] [2019-12-07 14:00:11,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:11,109 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:11,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:11,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2374, now seen corresponding path program 1 times [2019-12-07 14:00:11,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:11,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397176338] [2019-12-07 14:00:11,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:11,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:11,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:11,121 INFO L82 PathProgramCache]: Analyzing trace with hash -299035718, now seen corresponding path program 1 times [2019-12-07 14:00:11,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:11,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089951281] [2019-12-07 14:00:11,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:11,159 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:11,546 WARN L192 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2019-12-07 14:00:11,677 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-12-07 14:00:11,679 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:00:11,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:00:11,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:00:11,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:00:11,679 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:00:11,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:11,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:00:11,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:00:11,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration3_Lasso [2019-12-07 14:00:11,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:00:11,680 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:00:11,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,911 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2019-12-07 14:00:11,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:11,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:12,160 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-12-07 14:00:12,433 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:00:12,433 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/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 [2019-12-07 14:00:12,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/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 [2019-12-07 14:00:12,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/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 [2019-12-07 14:00:12,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:12,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:12,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:12,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:12,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:12,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:12,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:12,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:12,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:12,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:12,627 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:00:12,651 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 14:00:12,652 INFO L444 ModelExtractionUtils]: 26 out of 52 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:12,654 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:00:12,656 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:00:12,656 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:00:12,656 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2) = -1*ULTIMATE.start_cstrncpy_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2 Supporting invariants [] [2019-12-07 14:00:12,687 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2019-12-07 14:00:12,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 14:00:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:12,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 14:00:12,722 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:00:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:12,742 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:00:12,742 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:00:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:12,743 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2019-12-07 14:00:12,743 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand 6 states. [2019-12-07 14:00:12,788 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 25 transitions. cyclomatic complexity: 8. Second operand 6 states. Result 22 states and 28 transitions. Complement of second has 7 states. [2019-12-07 14:00:12,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:00:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 14:00:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2019-12-07 14:00:12,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 10 letters. Loop has 2 letters. [2019-12-07 14:00:12,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:12,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 12 letters. Loop has 2 letters. [2019-12-07 14:00:12,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:12,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 14:00:12,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:12,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2019-12-07 14:00:12,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:00:12,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 14 states and 17 transitions. [2019-12-07 14:00:12,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-12-07 14:00:12,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-12-07 14:00:12,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-12-07 14:00:12,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:00:12,790 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-12-07 14:00:12,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-12-07 14:00:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 14:00:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 14:00:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-12-07 14:00:12,791 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-12-07 14:00:12,792 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-12-07 14:00:12,792 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 14:00:12,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2019-12-07 14:00:12,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 14:00:12,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 14:00:12,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 14:00:12,792 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:00:12,792 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 14:00:12,793 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 366#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~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 367#L532 assume !(main_~length~0 < 1); 368#L532-2 assume !(main_~n~0 < 1); 364#L535-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~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_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 365#L541-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 372#L541-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 373#L541-3 assume !(main_~i~0 < main_~length~0 - 1); 362#L541-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset, cstrncpy_#in~src.base, cstrncpy_#in~src.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~pre6, cstrncpy_#t~pre2, cstrncpy_~d~0.base, cstrncpy_~d~0.offset, cstrncpy_~s~0.base, cstrncpy_~s~0.offset, cstrncpy_~dst.base, cstrncpy_~dst.offset, cstrncpy_~src.base, cstrncpy_~src.offset, cstrncpy_~n;cstrncpy_~dst.base, cstrncpy_~dst.offset := cstrncpy_#in~dst.base, cstrncpy_#in~dst.offset;cstrncpy_~src.base, cstrncpy_~src.offset := cstrncpy_#in~src.base, cstrncpy_#in~src.offset;cstrncpy_~n := cstrncpy_#in~n; 360#L516 assume 0 != cstrncpy_~n % 4294967296;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_~dst.base, cstrncpy_~dst.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_~src.base, cstrncpy_~src.offset; 361#L519-4 [2019-12-07 14:00:12,793 INFO L796 eck$LassoCheckResult]: Loop: 361#L519-4 cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~d~0.base, cstrncpy_~d~0.offset;cstrncpy_~d~0.base, cstrncpy_~d~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~s~0.base, cstrncpy_~s~0.offset;cstrncpy_~s~0.base, cstrncpy_~s~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 363#L520 assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~mem5;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset; 370#L519-1 cstrncpy_#t~pre2 := cstrncpy_~n - 1;cstrncpy_~n := cstrncpy_~n - 1; 371#L519-2 assume !!(0 != cstrncpy_#t~pre2 % 4294967296);havoc cstrncpy_#t~pre2; 361#L519-4 [2019-12-07 14:00:12,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:12,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1596934864, now seen corresponding path program 1 times [2019-12-07 14:00:12,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:12,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429535493] [2019-12-07 14:00:12,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:12,812 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:12,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:12,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2049688, now seen corresponding path program 2 times [2019-12-07 14:00:12,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:12,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553402403] [2019-12-07 14:00:12,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:12,825 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:12,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:12,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1308529127, now seen corresponding path program 1 times [2019-12-07 14:00:12,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:00:12,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430953087] [2019-12-07 14:00:12,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:00:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:00:12,859 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:00:13,186 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 106 [2019-12-07 14:00:13,285 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 14:00:13,285 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 14:00:13,285 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 14:00:13,285 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 14:00:13,285 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 14:00:13,285 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:13,285 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 14:00:13,285 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 14:00:13,285 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-2.i_Iteration4_Lasso [2019-12-07 14:00:13,286 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 14:00:13,286 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 14:00:13,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 14:00:13,491 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-12-07 14:00:14,035 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 14:00:14,035 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:14,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:14,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,073 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,092 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:14,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:14,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,113 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,118 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:14,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:14,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,152 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:14,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:14,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 14:00:14,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 14:00:14,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 14:00:14,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:14,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:14,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 14:00:14,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 14:00:14,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 14:00:14,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 14:00:14,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 14:00:14,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 14:00:14,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 14:00:14,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 14:00:14,229 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 14:00:14,229 INFO L444 ModelExtractionUtils]: 20 out of 31 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_385206f8-b704-4452-abbc-45b44e80bbf8/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 14:00:14,231 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 14:00:14,233 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 14:00:14,233 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 14:00:14,233 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3) = -1*ULTIMATE.start_cstrncpy_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 Supporting invariants [] [2019-12-07 14:00:14,260 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2019-12-07 14:00:14,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 14:00:14,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:00:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:14,285 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 14:00:14,286 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:00:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:00:14,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:00:14,306 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:00:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:00:14,326 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-12-07 14:00:14,326 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 5 states. [2019-12-07 14:00:14,359 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 18 states and 21 transitions. Complement of second has 6 states. [2019-12-07 14:00:14,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 14:00:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 14:00:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2019-12-07 14:00:14,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 14:00:14,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:14,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 4 letters. [2019-12-07 14:00:14,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:14,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 10 letters. Loop has 8 letters. [2019-12-07 14:00:14,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 14:00:14,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-12-07 14:00:14,361 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:00:14,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-12-07 14:00:14,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 14:00:14,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 14:00:14,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 14:00:14,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 14:00:14,361 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:00:14,361 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:00:14,361 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:00:14,361 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 14:00:14,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:00:14,361 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 14:00:14,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 14:00:14,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 02:00:14 BoogieIcfgContainer [2019-12-07 14:00:14,365 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 14:00:14,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:00:14,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:00:14,366 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:00:14,366 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:00:09" (3/4) ... [2019-12-07 14:00:14,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:00:14,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:00:14,370 INFO L168 Benchmark]: Toolchain (without parser) took 5323.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 934.5 MB in the beginning and 1.0 GB in the end (delta: -106.1 MB). Peak memory consumption was 92.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:14,371 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:00:14,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:14,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:00:14,372 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:14,372 INFO L168 Benchmark]: RCFGBuilder took 205.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:14,373 INFO L168 Benchmark]: BuchiAutomizer took 4762.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.9 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:00:14,373 INFO L168 Benchmark]: Witness Printer took 3.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:00:14,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 205.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4762.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 83.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.9 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 6 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 59 SDtfs, 98 SDslu, 118 SDs, 0 SdLazy, 77 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax109 hnf99 lsp86 ukn85 mio100 lsp46 div159 bol100 ite100 ukn100 eq169 hnf75 smp93 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...