./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 d74da2e3412ebf25201dbb4db5374c4c67ab19bd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:07:02,348 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:07:02,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:07:02,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:07:02,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:07:02,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:07:02,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:07:02,361 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:07:02,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:07:02,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:07:02,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:07:02,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:07:02,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:07:02,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:07:02,365 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:07:02,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:07:02,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:07:02,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:07:02,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:07:02,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:07:02,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:07:02,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:07:02,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:07:02,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:07:02,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:07:02,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:07:02,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:07:02,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:07:02,377 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:07:02,378 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:07:02,378 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:07:02,378 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:07:02,378 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:07:02,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:07:02,379 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:07:02,380 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:07:02,380 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 13:07:02,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:07:02,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:07:02,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:07:02,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:07:02,392 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:07:02,392 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 13:07:02,392 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 13:07:02,392 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 13:07:02,393 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 13:07:02,393 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 13:07:02,393 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 13:07:02,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:07:02,393 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 13:07:02,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:07:02,393 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:07:02,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 13:07:02,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 13:07:02,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 13:07:02,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:07:02,394 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 13:07:02,394 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:07:02,396 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 13:07:02,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:07:02,396 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:07:02,397 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 13:07:02,397 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:07:02,397 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:07:02,397 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 13:07:02,398 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 13:07:02,398 INFO L133 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/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 -> d74da2e3412ebf25201dbb4db5374c4c67ab19bd [2018-11-23 13:07:02,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:07:02,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:07:02,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:07:02,434 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:07:02,434 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:07:02,435 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/../../sv-benchmarks/c/termination-restricted-15/PastaC3_true-termination_true-no-overflow.c [2018-11-23 13:07:02,475 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/data/6e9ebc454/fa92ecbc5781479ca68b90ab4d0e7548/FLAG952905658 [2018-11-23 13:07:02,792 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:07:02,793 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/sv-benchmarks/c/termination-restricted-15/PastaC3_true-termination_true-no-overflow.c [2018-11-23 13:07:02,796 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/data/6e9ebc454/fa92ecbc5781479ca68b90ab4d0e7548/FLAG952905658 [2018-11-23 13:07:02,803 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/uautomizer/data/6e9ebc454/fa92ecbc5781479ca68b90ab4d0e7548 [2018-11-23 13:07:02,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:07:02,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:07:02,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:07:02,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:07:02,809 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:07:02,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5fba41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02, skipping insertion in model container [2018-11-23 13:07:02,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:07:02,826 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:07:02,927 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:07:02,929 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:07:02,937 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:07:02,945 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:07:02,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02 WrapperNode [2018-11-23 13:07:02,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:07:02,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:07:02,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:07:02,946 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:07:02,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:07:02,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:07:02,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:07:02,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:07:02,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... [2018-11-23 13:07:02,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:07:02,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:07:02,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:07:02,975 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:07:02,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:07:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:07:03,131 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:07:03,131 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 13:07:03,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:03 BoogieIcfgContainer [2018-11-23 13:07:03,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:07:03,132 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 13:07:03,132 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 13:07:03,135 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 13:07:03,135 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:07:03,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:07:02" (1/3) ... [2018-11-23 13:07:03,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30b73605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:07:03, skipping insertion in model container [2018-11-23 13:07:03,137 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:07:03,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:07:02" (2/3) ... [2018-11-23 13:07:03,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30b73605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:07:03, skipping insertion in model container [2018-11-23 13:07:03,137 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:07:03,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:03" (3/3) ... [2018-11-23 13:07:03,139 INFO L375 chiAutomizerObserver]: Analyzing ICFG PastaC3_true-termination_true-no-overflow.c [2018-11-23 13:07:03,185 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:07:03,186 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 13:07:03,186 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 13:07:03,186 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 13:07:03,186 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:07:03,187 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:07:03,187 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 13:07:03,187 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:07:03,187 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 13:07:03,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-23 13:07:03,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:03,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:07:03,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:07:03,213 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 13:07:03,213 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:07:03,213 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 13:07:03,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2018-11-23 13:07:03,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:03,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:07:03,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:07:03,214 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 13:07:03,214 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:07:03,221 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 6#L14-2true [2018-11-23 13:07:03,221 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 < main_~y~0); 9#L14true assume main_~x~0 < main_~z~0;main_~x~0 := 1 + main_~x~0; 6#L14-2true [2018-11-23 13:07:03,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,226 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 13:07:03,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:03,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:03,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:03,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2018-11-23 13:07:03,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:03,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:03,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:03,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,305 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2018-11-23 13:07:03,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:03,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:03,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:03,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,348 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:03,348 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:03,348 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:03,349 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:03,349 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 13:07:03,349 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:03,349 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:03,349 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:03,349 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-23 13:07:03,349 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:03,350 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:03,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,454 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:03,455 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,458 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:03,458 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:03,482 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:07:03,483 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:03,485 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:03,500 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:07:03,500 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:03,503 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 13:07:03,521 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:03,641 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 13:07:03,642 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:03,642 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:03,642 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:03,642 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:03,642 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 13:07:03,642 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:03,642 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:03,642 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:03,643 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-23 13:07:03,643 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:03,643 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:03,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,701 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:03,705 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 13:07:03,706 INFO L122 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 [2018-11-23 13:07:03,707 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:03,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:03,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:03,707 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:03,710 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:07:03,710 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:07:03,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:07:03,716 INFO L122 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 [2018-11-23 13:07:03,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:03,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:03,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:03,717 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:03,719 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:07:03,719 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:07:03,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:07:03,726 INFO L122 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 [2018-11-23 13:07:03,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:03,727 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:07:03,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:03,727 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:03,727 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:03,728 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:07:03,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:07:03,734 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 13:07:03,739 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-23 13:07:03,739 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 13:07:03,741 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 13:07:03,741 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 13:07:03,741 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 13:07:03,742 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~z~0 - 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2018-11-23 13:07:03,743 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 13:07:03,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:03,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:03,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:07:03,823 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2018-11-23 13:07:03,825 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2018-11-23 13:07:03,856 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 6 states. [2018-11-23 13:07:03,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 13:07:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:07:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2018-11-23 13:07:03,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2018-11-23 13:07:03,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:03,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-23 13:07:03,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:03,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-23 13:07:03,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:03,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2018-11-23 13:07:03,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:03,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2018-11-23 13:07:03,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-11-23 13:07:03,867 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2018-11-23 13:07:03,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2018-11-23 13:07:03,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 13:07:03,868 INFO L705 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-23 13:07:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2018-11-23 13:07:03,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-11-23 13:07:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 13:07:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2018-11-23 13:07:03,884 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-23 13:07:03,884 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2018-11-23 13:07:03,884 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 13:07:03,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2018-11-23 13:07:03,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:03,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:07:03,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:07:03,884 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 13:07:03,884 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:07:03,885 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 64#L14-2 assume !!(main_~x~0 < main_~y~0); 69#L14 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 65#L14-2 [2018-11-23 13:07:03,885 INFO L796 eck$LassoCheckResult]: Loop: 65#L14-2 assume !!(main_~x~0 < main_~y~0); 66#L14 assume main_~x~0 < main_~z~0;main_~x~0 := 1 + main_~x~0; 65#L14-2 [2018-11-23 13:07:03,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,885 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-11-23 13:07:03,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:03,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:03,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:03,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2018-11-23 13:07:03,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:03,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:03,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:03,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:03,896 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2018-11-23 13:07:03,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:03,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:03,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,897 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:07:03,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:03,910 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:03,910 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:03,910 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:03,910 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:03,910 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 13:07:03,910 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:03,911 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:03,911 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:03,911 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-23 13:07:03,911 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:03,911 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:03,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:03,953 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:03,953 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,955 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:03,956 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:03,970 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:07:03,970 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,975 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:03,976 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:03,990 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:07:03,990 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:03,996 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:03,996 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,015 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 13:07:04,015 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:04,139 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 13:07:04,141 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:04,141 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:04,141 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:04,141 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:04,141 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 13:07:04,141 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:04,141 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:04,141 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:04,141 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-23 13:07:04,142 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:04,142 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:04,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,173 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:04,173 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 13:07:04,173 INFO L122 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 [2018-11-23 13:07:04,174 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:04,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:04,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:04,174 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:04,176 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:07:04,176 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:07:04,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:07:04,179 INFO L122 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 [2018-11-23 13:07:04,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:04,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:04,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:04,180 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:04,182 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:07:04,182 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:07:04,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:07:04,185 INFO L122 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 [2018-11-23 13:07:04,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:04,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:07:04,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:04,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:04,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:04,188 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:07:04,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:07:04,192 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 13:07:04,195 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 13:07:04,196 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-23 13:07:04,196 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 13:07:04,196 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 13:07:04,196 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 13:07:04,196 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2018-11-23 13:07:04,197 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 13:07:04,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:04,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:04,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:07:04,254 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 [2018-11-23 13:07:04,255 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-23 13:07:04,268 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 12 states and 17 transitions. Complement of second has 4 states. [2018-11-23 13:07:04,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 13:07:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:07:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2018-11-23 13:07:04,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2018-11-23 13:07:04,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:04,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-23 13:07:04,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:04,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-23 13:07:04,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:04,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 17 transitions. [2018-11-23 13:07:04,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:04,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 17 transitions. [2018-11-23 13:07:04,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-23 13:07:04,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-23 13:07:04,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2018-11-23 13:07:04,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 13:07:04,271 INFO L705 BuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2018-11-23 13:07:04,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2018-11-23 13:07:04,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-11-23 13:07:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-23 13:07:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2018-11-23 13:07:04,272 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-11-23 13:07:04,272 INFO L608 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2018-11-23 13:07:04,272 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 13:07:04,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2018-11-23 13:07:04,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:04,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:07:04,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:07:04,273 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2018-11-23 13:07:04,273 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:07:04,273 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 118#L14-2 assume !!(main_~x~0 < main_~y~0); 123#L14 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 124#L14-2 assume !!(main_~x~0 < main_~y~0); 120#L14 [2018-11-23 13:07:04,273 INFO L796 eck$LassoCheckResult]: Loop: 120#L14 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 119#L14-2 assume !!(main_~x~0 < main_~y~0); 120#L14 [2018-11-23 13:07:04,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,273 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 2 times [2018-11-23 13:07:04,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:04,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:04,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:04,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2018-11-23 13:07:04,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:04,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:04,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,282 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:07:04,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,285 INFO L82 PathProgramCache]: Analyzing trace with hash 925824992, now seen corresponding path program 3 times [2018-11-23 13:07:04,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:04,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:04,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:07:04,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,299 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:04,299 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:04,299 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:04,299 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:04,299 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 13:07:04,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:04,300 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:04,300 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:04,300 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-23 13:07:04,300 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:04,300 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:04,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,335 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:04,335 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:04,343 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:04,369 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:07:04,369 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:04,381 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,404 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 13:07:04,404 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:04,563 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 13:07:04,564 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:04,564 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:04,564 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:04,564 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:04,564 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 13:07:04,565 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:04,565 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:04,565 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:04,565 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-23 13:07:04,565 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:04,565 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:04,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,592 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:04,592 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 13:07:04,593 INFO L122 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 [2018-11-23 13:07:04,593 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:04,593 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:07:04,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:04,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:04,594 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:04,594 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:07:04,594 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:07:04,597 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 13:07:04,600 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 13:07:04,600 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 13:07:04,601 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 13:07:04,601 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 13:07:04,601 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 13:07:04,601 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~z~0 + 2*ULTIMATE.start_main_~x~0 + 1 Supporting invariants [] [2018-11-23 13:07:04,601 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 13:07:04,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:04,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:04,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:07:04,637 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 [2018-11-23 13:07:04,637 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2018-11-23 13:07:04,646 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 20 states and 29 transitions. Complement of second has 5 states. [2018-11-23 13:07:04,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 13:07:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:07:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2018-11-23 13:07:04,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-23 13:07:04,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:04,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-23 13:07:04,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:04,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 4 letters. [2018-11-23 13:07:04,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:04,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 29 transitions. [2018-11-23 13:07:04,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:04,649 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 24 transitions. [2018-11-23 13:07:04,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2018-11-23 13:07:04,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-23 13:07:04,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2018-11-23 13:07:04,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 13:07:04,650 INFO L705 BuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2018-11-23 13:07:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2018-11-23 13:07:04,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2018-11-23 13:07:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 13:07:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2018-11-23 13:07:04,651 INFO L728 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2018-11-23 13:07:04,651 INFO L608 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2018-11-23 13:07:04,651 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 13:07:04,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2018-11-23 13:07:04,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 13:07:04,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:07:04,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:07:04,652 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2018-11-23 13:07:04,652 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 13:07:04,653 INFO L794 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2; 188#L14-2 assume !!(main_~x~0 < main_~y~0); 193#L14 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 194#L14-2 assume !!(main_~x~0 < main_~y~0); 199#L14 assume main_~x~0 < main_~z~0;main_~x~0 := 1 + main_~x~0; 200#L14-2 assume !!(main_~x~0 < main_~y~0); 190#L14 [2018-11-23 13:07:04,653 INFO L796 eck$LassoCheckResult]: Loop: 190#L14 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 189#L14-2 assume !!(main_~x~0 < main_~y~0); 190#L14 [2018-11-23 13:07:04,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,653 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2018-11-23 13:07:04,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:04,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:04,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,654 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:07:04,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2018-11-23 13:07:04,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:04,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:04,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,661 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:07:04,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:04,665 INFO L82 PathProgramCache]: Analyzing trace with hash 659527933, now seen corresponding path program 3 times [2018-11-23 13:07:04,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:07:04,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:07:04,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,666 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 13:07:04,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:07:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:07:04,690 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:04,690 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:04,690 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:04,690 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:04,690 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 13:07:04,690 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:04,690 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:04,690 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:04,690 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration4_Loop [2018-11-23 13:07:04,691 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:04,691 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:04,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,731 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:04,732 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,733 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:04,734 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:04,748 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 13:07:04,748 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 13:07:04,751 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c0dd8dc-098b-444c-b94f-5bc8919d19ac/bin-2019/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 [2018-11-23 13:07:04,774 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 13:07:04,775 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 13:07:04,954 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 13:07:04,955 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:07:04,955 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:07:04,955 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:07:04,955 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:07:04,955 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 13:07:04,956 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:07:04,956 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:07:04,956 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:07:04,956 INFO L131 ssoRankerPreferences]: Filename of dumped script: PastaC3_true-termination_true-no-overflow.c_Iteration4_Loop [2018-11-23 13:07:04,956 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:07:04,956 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:07:04,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:07:04,997 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:07:04,997 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 13:07:04,998 INFO L122 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 [2018-11-23 13:07:04,999 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:07:04,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:07:04,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:07:04,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:07:04,999 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:07:05,000 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:07:05,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:07:05,006 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 13:07:05,008 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 13:07:05,008 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 13:07:05,008 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 13:07:05,008 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 13:07:05,008 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 13:07:05,008 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~z~0 + 1 Supporting invariants [] [2018-11-23 13:07:05,009 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 13:07:05,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:05,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:05,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:07:05,039 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 [2018-11-23 13:07:05,039 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 10 Second operand 3 states. [2018-11-23 13:07:05,045 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 18 states and 24 transitions. Complement of second has 5 states. [2018-11-23 13:07:05,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 13:07:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:07:05,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2018-11-23 13:07:05,045 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-23 13:07:05,046 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:05,046 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-23 13:07:05,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:05,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:05,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:05,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:07:05,069 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 13:07:05,069 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 10 Second operand 3 states. [2018-11-23 13:07:05,087 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 18 states and 26 transitions. Complement of second has 5 states. [2018-11-23 13:07:05,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 13:07:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:07:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2018-11-23 13:07:05,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-23 13:07:05,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:05,088 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2018-11-23 13:07:05,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:07:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:05,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:07:05,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:07:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:07:05,117 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-23 13:07:05,117 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 10 Second operand 3 states. [2018-11-23 13:07:05,123 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 24 states and 34 transitions. Complement of second has 4 states. [2018-11-23 13:07:05,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 13:07:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 13:07:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2018-11-23 13:07:05,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-23 13:07:05,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:05,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2018-11-23 13:07:05,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:05,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-23 13:07:05,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:07:05,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 34 transitions. [2018-11-23 13:07:05,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 13:07:05,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-23 13:07:05,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 13:07:05,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 13:07:05,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 13:07:05,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 13:07:05,127 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:07:05,127 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:07:05,127 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:07:05,128 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-23 13:07:05,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:07:05,128 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 13:07:05,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 13:07:05,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:07:05 BoogieIcfgContainer [2018-11-23 13:07:05,132 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 13:07:05,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:07:05,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:07:05,132 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:07:05,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:07:03" (3/4) ... [2018-11-23 13:07:05,135 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:07:05,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:07:05,136 INFO L168 Benchmark]: Toolchain (without parser) took 2329.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 958.1 MB in the beginning and 867.6 MB in the end (delta: 90.4 MB). Peak memory consumption was 234.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:07:05,137 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:07:05,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.18 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:07:05,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.43 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:07:05,138 INFO L168 Benchmark]: Boogie Preprocessor took 10.82 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:07:05,138 INFO L168 Benchmark]: RCFGBuilder took 156.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:07:05,138 INFO L168 Benchmark]: BuchiAutomizer took 1999.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 867.6 MB in the end (delta: 259.2 MB). Peak memory consumption was 259.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:07:05,139 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 867.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:07:05,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.18 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.43 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.82 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 156.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1999.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 867.6 MB in the end (delta: 259.2 MB). Peak memory consumption was 259.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 867.6 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function z + -1 * x and consists of 4 locations. One deterministic module has affine ranking function -1 * x + y and consists of 3 locations. One deterministic module has affine ranking function -2 * z + 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 22 SDslu, 3 SDs, 0 SdLazy, 37 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax189 hnf98 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...