./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 68c0bffd453ebe82049c8a49e9fddf725cfb9d95 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:04:40,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:04:40,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:04:40,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:04:40,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:04:40,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:04:40,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:04:40,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:04:40,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:04:40,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:04:40,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:04:40,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:04:40,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:04:40,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:04:40,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:04:40,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:04:40,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:04:40,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:04:40,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:04:40,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:04:40,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:04:40,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:04:40,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:04:40,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:04:40,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:04:40,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:04:40,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:04:40,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:04:40,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:04:40,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:04:40,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:04:40,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:04:40,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:04:40,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:04:40,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:04:40,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:04:40,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:04:40,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:04:40,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:04:40,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:04:40,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:04:40,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 01:04:40,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:04:40,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:04:40,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:04:40,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:04:40,497 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:04:40,497 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 01:04:40,498 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 01:04:40,498 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 01:04:40,498 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 01:04:40,498 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 01:04:40,499 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 01:04:40,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:04:40,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 01:04:40,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:04:40,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:04:40,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 01:04:40,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 01:04:40,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 01:04:40,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:04:40,501 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 01:04:40,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:04:40,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 01:04:40,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:04:40,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:04:40,502 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 01:04:40,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:04:40,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:04:40,503 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 01:04:40,505 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 01:04:40,506 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_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c0bffd453ebe82049c8a49e9fddf725cfb9d95 [2019-11-20 01:04:40,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:04:40,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:04:40,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:04:40,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:04:40,674 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:04:40,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i [2019-11-20 01:04:40,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/data/15f2632f4/19068a7272734199b5ac6a4736c28504/FLAG77ca9ba04 [2019-11-20 01:04:41,208 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:04:41,208 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i [2019-11-20 01:04:41,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/data/15f2632f4/19068a7272734199b5ac6a4736c28504/FLAG77ca9ba04 [2019-11-20 01:04:41,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/data/15f2632f4/19068a7272734199b5ac6a4736c28504 [2019-11-20 01:04:41,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:04:41,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:04:41,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:04:41,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:04:41,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:04:41,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:04:41" (1/1) ... [2019-11-20 01:04:41,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205e4e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:41, skipping insertion in model container [2019-11-20 01:04:41,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:04:41" (1/1) ... [2019-11-20 01:04:41,572 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:04:41,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:04:42,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:04:42,030 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:04:42,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:04:42,152 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:04:42,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42 WrapperNode [2019-11-20 01:04:42,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:04:42,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:04:42,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:04:42,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:04:42,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:04:42,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:04:42,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:04:42,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:04:42,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... [2019-11-20 01:04:42,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:04:42,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:04:42,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:04:42,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:04:42,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:04:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:04:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:04:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:04:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:04:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:04:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:04:42,680 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:04:42,680 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 01:04:42,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:04:42 BoogieIcfgContainer [2019-11-20 01:04:42,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:04:42,682 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 01:04:42,682 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 01:04:42,686 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 01:04:42,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:04:42,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 01:04:41" (1/3) ... [2019-11-20 01:04:42,688 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65ba8800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:04:42, skipping insertion in model container [2019-11-20 01:04:42,688 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:04:42,688 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:04:42" (2/3) ... [2019-11-20 01:04:42,689 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65ba8800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 01:04:42, skipping insertion in model container [2019-11-20 01:04:42,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 01:04:42,689 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:04:42" (3/3) ... [2019-11-20 01:04:42,691 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-2.i [2019-11-20 01:04:42,742 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 01:04:42,742 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 01:04:42,742 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 01:04:42,743 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:04:42,743 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:04:42,743 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 01:04:42,743 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:04:42,743 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 01:04:42,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 01:04:42,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 01:04:42,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:04:42,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:04:42,784 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:04:42,784 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 01:04:42,785 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 01:04:42,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-20 01:04:42,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 01:04:42,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:04:42,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:04:42,787 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:04:42,787 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 01:04:42,795 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 8#L565true assume !(main_~length1~0 < 1); 13#L565-2true assume !(main_~length2~0 < 1); 7#L568-1true call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet17;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 17#L550true assume !(0 == cstrncmp_~n); 4#L552-5true [2019-11-20 01:04:42,796 INFO L796 eck$LassoCheckResult]: Loop: 4#L552-5true cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 14#L552-1true assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 20#L552-3true assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~short5;havoc cstrncmp_#t~post2;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 11#L553true assume cstrncmp_#t~short7; 15#L553-2true assume !cstrncmp_#t~short7;havoc cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 4#L552-5true [2019-11-20 01:04:42,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:04:42,802 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2019-11-20 01:04:42,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:04:42,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002865457] [2019-11-20 01:04:42,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:04:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:42,962 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:04:42,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:04:42,964 INFO L82 PathProgramCache]: Analyzing trace with hash 52587176, now seen corresponding path program 1 times [2019-11-20 01:04:42,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:04:42,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951956823] [2019-11-20 01:04:42,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:04:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:43,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951956823] [2019-11-20 01:04:43,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:04:43,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 01:04:43,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655685659] [2019-11-20 01:04:43,028 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 01:04:43,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 01:04:43,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 01:04:43,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 01:04:43,046 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-11-20 01:04:43,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:04:43,097 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2019-11-20 01:04:43,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 01:04:43,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2019-11-20 01:04:43,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 01:04:43,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 11 states and 14 transitions. [2019-11-20 01:04:43,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-20 01:04:43,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-20 01:04:43,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-20 01:04:43,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:04:43,107 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 01:04:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-20 01:04:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-20 01:04:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 01:04:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-20 01:04:43,135 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 01:04:43,135 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-20 01:04:43,135 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 01:04:43,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-20 01:04:43,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 01:04:43,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 01:04:43,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 01:04:43,139 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 01:04:43,139 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-20 01:04:43,139 INFO L794 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 46#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 47#L565 assume !(main_~length1~0 < 1); 53#L565-2 assume !(main_~length2~0 < 1); 54#L568-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet17;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 56#L550 assume !(0 == cstrncmp_~n); 50#L552-5 [2019-11-20 01:04:43,140 INFO L796 eck$LassoCheckResult]: Loop: 50#L552-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 51#L552-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 55#L552-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~short5;havoc cstrncmp_#t~post2;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 48#L553 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 49#L553-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 50#L552-5 [2019-11-20 01:04:43,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:04:43,140 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 2 times [2019-11-20 01:04:43,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:04:43,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207562904] [2019-11-20 01:04:43,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:04:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:43,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:04:43,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:04:43,223 INFO L82 PathProgramCache]: Analyzing trace with hash 52587238, now seen corresponding path program 1 times [2019-11-20 01:04:43,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:04:43,223 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350069534] [2019-11-20 01:04:43,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:04:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:43,266 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:04:43,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:04:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash -2120298631, now seen corresponding path program 1 times [2019-11-20 01:04:43,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:04:43,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53798603] [2019-11-20 01:04:43,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:04:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:04:43,346 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:04:43,629 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-11-20 01:04:44,158 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-11-20 01:04:44,321 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-20 01:04:44,339 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 01:04:44,339 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 01:04:44,340 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 01:04:44,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 01:04:44,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 01:04:44,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:04:44,344 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 01:04:44,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 01:04:44,344 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-2.i_Iteration2_Lasso [2019-11-20 01:04:44,344 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 01:04:44,345 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 01:04:44,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:44,885 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-11-20 01:04:45,085 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-20 01:04:45,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:45,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:45,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:45,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 01:04:45,712 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 01:04:45,716 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,752 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:04:45,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:04:45,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:04:45,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:04:45,809 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:04:45,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:04:45,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,849 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 01:04:45,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:04:45,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 01:04:45,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:04:45,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 01:04:45,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 01:04:45,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 01:04:45,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 01:04:45,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 01:04:45,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:45,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 01:04:45,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 01:04:45,955 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 01:04:45,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 01:04:45,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 01:04:45,960 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 01:04:45,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 01:04:45,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 01:04:46,021 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-20 01:04:46,021 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4ad7dc9-e576-4ee6-bb2e-64f47f9da3f9/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 [2019-11-20 01:04:46,113 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 01:04:46,128 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 01:04:46,128 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 01:04:46,128 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~n) = 1*ULTIMATE.start_cstrncmp_~n Supporting invariants [] [2019-11-20 01:04:46,189 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-20 01:04:46,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:04:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:46,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 01:04:46,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:04:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:04:46,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 01:04:46,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:04:46,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 01:04:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:04:46,326 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 01:04:46,327 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-20 01:04:46,379 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 6 states. [2019-11-20 01:04:46,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 01:04:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 01:04:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-11-20 01:04:46,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 5 letters. [2019-11-20 01:04:46,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:04:46,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2019-11-20 01:04:46,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:04:46,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 10 letters. [2019-11-20 01:04:46,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 01:04:46,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-11-20 01:04:46,388 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:04:46,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-20 01:04:46,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 01:04:46,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 01:04:46,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 01:04:46,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 01:04:46,388 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:04:46,389 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:04:46,389 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:04:46,389 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 01:04:46,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:04:46,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 01:04:46,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 01:04:46,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 01:04:46 BoogieIcfgContainer [2019-11-20 01:04:46,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 01:04:46,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:04:46,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:04:46,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:04:46,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:04:42" (3/4) ... [2019-11-20 01:04:46,402 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:04:46,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:04:46,404 INFO L168 Benchmark]: Toolchain (without parser) took 4854.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 944.7 MB in the beginning and 961.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:46,405 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:04:46,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -244.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:46,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:46,412 INFO L168 Benchmark]: Boogie Preprocessor took 34.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:46,412 INFO L168 Benchmark]: RCFGBuilder took 430.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:46,413 INFO L168 Benchmark]: BuchiAutomizer took 3714.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 961.4 MB in the end (delta: 199.0 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:04:46,413 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 1.2 GB. Free memory is still 961.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:04:46,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 599.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -244.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 430.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3714.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 961.4 MB in the end (delta: 199.0 MB). Peak memory consumption was 199.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.21 ms. Allocated memory is still 1.2 GB. Free memory is still 961.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 12 SDslu, 23 SDs, 0 SdLazy, 15 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax107 hnf99 lsp81 ukn85 mio100 lsp43 div100 bol100 ite100 ukn100 eq192 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 178ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...