./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/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 32bit --witnessprinter.graph.data.programhash 7ec78bcf477493ed3d3d8f07f2c43f18a2cf41d6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:14:49,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:14:49,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:14:49,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:14:49,822 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:14:49,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:14:49,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:14:49,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:14:49,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:14:49,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:14:49,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:14:49,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:14:49,830 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:14:49,831 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:14:49,832 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:14:49,832 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:14:49,833 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:14:49,834 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:14:49,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:14:49,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:14:49,838 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:14:49,839 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:14:49,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:14:49,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:14:49,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:14:49,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:14:49,844 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:14:49,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:14:49,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:14:49,846 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:14:49,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:14:49,847 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:14:49,847 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:14:49,848 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:14:49,848 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:14:49,849 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:14:49,849 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 09:14:49,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:14:49,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:14:49,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:14:49,861 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:14:49,861 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:14:49,861 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 09:14:49,862 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 09:14:49,862 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 09:14:49,862 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 09:14:49,862 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 09:14:49,862 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 09:14:49,862 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:14:49,863 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:14:49,863 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 09:14:49,863 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:14:49,863 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:14:49,863 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:14:49,863 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 09:14:49,864 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 09:14:49,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 09:14:49,864 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:14:49,864 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:14:49,864 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 09:14:49,864 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:14:49,865 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 09:14:49,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:14:49,865 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:14:49,865 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 09:14:49,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:14:49,865 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:14:49,866 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 09:14:49,866 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 09:14:49,867 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_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ec78bcf477493ed3d3d8f07f2c43f18a2cf41d6 [2018-11-23 09:14:49,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:14:49,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:14:49,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:14:49,913 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:14:49,914 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:14:49,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c [2018-11-23 09:14:49,965 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/data/27381f191/d303a765be054d7d9a01a72904846dda/FLAG955d61184 [2018-11-23 09:14:50,362 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:14:50,362 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c [2018-11-23 09:14:50,369 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/data/27381f191/d303a765be054d7d9a01a72904846dda/FLAG955d61184 [2018-11-23 09:14:50,380 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/bin-2019/uautomizer/data/27381f191/d303a765be054d7d9a01a72904846dda [2018-11-23 09:14:50,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:14:50,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:14:50,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:14:50,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:14:50,390 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:14:50,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190dcc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50, skipping insertion in model container [2018-11-23 09:14:50,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:14:50,432 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:14:50,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:14:50,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:14:50,663 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:14:50,680 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:14:50,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50 WrapperNode [2018-11-23 09:14:50,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:14:50,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:14:50,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:14:50,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:14:50,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:14:50,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:14:50,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:14:50,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:14:50,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... [2018-11-23 09:14:50,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:14:50,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:14:50,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:14:50,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:14:50,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/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 09:14:50,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:14:50,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:14:51,281 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:14:51,282 INFO L280 CfgBuilder]: Removed 17 assue(true) statements. [2018-11-23 09:14:51,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:51 BoogieIcfgContainer [2018-11-23 09:14:51,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:14:51,283 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 09:14:51,283 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 09:14:51,286 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 09:14:51,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 09:14:51,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 09:14:50" (1/3) ... [2018-11-23 09:14:51,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4083deb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 09:14:51, skipping insertion in model container [2018-11-23 09:14:51,288 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 09:14:51,288 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:50" (2/3) ... [2018-11-23 09:14:51,289 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4083deb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 09:14:51, skipping insertion in model container [2018-11-23 09:14:51,289 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 09:14:51,289 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:51" (3/3) ... [2018-11-23 09:14:51,291 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c [2018-11-23 09:14:51,336 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:14:51,336 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 09:14:51,337 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 09:14:51,337 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 09:14:51,337 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:14:51,337 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:14:51,337 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 09:14:51,337 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:14:51,337 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 09:14:51,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2018-11-23 09:14:51,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2018-11-23 09:14:51,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 09:14:51,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 09:14:51,385 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 09:14:51,385 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:14:51,385 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 09:14:51,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states. [2018-11-23 09:14:51,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2018-11-23 09:14:51,390 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 09:14:51,390 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 09:14:51,391 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-23 09:14:51,392 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:14:51,398 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 15#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~ret22, main_#t~ret23, main_#t~post24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet6;havoc main_#t~nondet6;~id1~0 := main_#t~nondet7;havoc main_#t~nondet7;~st1~0 := main_#t~nondet8;havoc main_#t~nondet8;~send1~0 := main_#t~nondet9;havoc main_#t~nondet9;~mode1~0 := main_#t~nondet10;havoc main_#t~nondet10;~alive1~0 := main_#t~nondet11;havoc main_#t~nondet11;~id2~0 := main_#t~nondet12;havoc main_#t~nondet12;~st2~0 := main_#t~nondet13;havoc main_#t~nondet13;~send2~0 := main_#t~nondet14;havoc main_#t~nondet14;~mode2~0 := main_#t~nondet15;havoc main_#t~nondet15;~alive2~0 := main_#t~nondet16;havoc main_#t~nondet16;~id3~0 := main_#t~nondet17;havoc main_#t~nondet17;~st3~0 := main_#t~nondet18;havoc main_#t~nondet18;~send3~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode3~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive3~0 := main_#t~nondet21;havoc main_#t~nondet21;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 40#L205true assume !(0 == ~r1~0);init_~tmp~0 := 0; 37#L205-1true init_#res := init_~tmp~0; 10#L274true main_#t~ret22 := init_#res;main_~i2~0 := main_#t~ret22;havoc main_#t~ret22;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 17#L329-2true [2018-11-23 09:14:51,398 INFO L796 eck$LassoCheckResult]: Loop: 17#L329-2true assume !!(main_~i2~0 < 6);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 8#L102true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 35#L106true assume !(node1_~m1~0 != ~nomsg~0); 13#L106-1true ~mode1~0 := 0; 24#L102-2true havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 53#L137true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 58#L140true assume !(node2_~m2~0 != ~nomsg~0); 57#L140-1true ~mode2~0 := 0; 49#L137-2true havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 16#L171true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 76#L174true assume !(node3_~m3~0 != ~nomsg~0); 75#L174-1true ~mode3~0 := 0; 70#L171-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 26#L282true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 43#L282-1true check_#res := check_~tmp~1; 47#L294true main_#t~ret23 := check_#res;main_~c1~0 := main_#t~ret23;havoc main_#t~ret23;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 67#L353true assume !(0 == assert_~arg % 256); 39#L348true main_#t~post24 := main_~i2~0;main_~i2~0 := 1 + main_#t~post24;havoc main_#t~post24; 17#L329-2true [2018-11-23 09:14:51,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:51,404 INFO L82 PathProgramCache]: Analyzing trace with hash 28791078, now seen corresponding path program 1 times [2018-11-23 09:14:51,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:51,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:51,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:14:51,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:14:51,568 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 09:14:51,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:14:51,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:14:51,573 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-23 09:14:51,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:51,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1766040228, now seen corresponding path program 1 times [2018-11-23 09:14:51,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:51,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:51,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:14:51,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:14:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:14:51,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:14:51,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:14:51,668 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 09:14:51,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 09:14:51,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:14:51,682 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 4 states. [2018-11-23 09:14:51,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:14:51,748 INFO L93 Difference]: Finished difference Result 78 states and 124 transitions. [2018-11-23 09:14:51,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:14:51,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 124 transitions. [2018-11-23 09:14:51,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2018-11-23 09:14:51,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 101 transitions. [2018-11-23 09:14:51,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2018-11-23 09:14:51,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2018-11-23 09:14:51,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 101 transitions. [2018-11-23 09:14:51,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 09:14:51,761 INFO L705 BuchiCegarLoop]: Abstraction has 71 states and 101 transitions. [2018-11-23 09:14:51,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 101 transitions. [2018-11-23 09:14:51,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-11-23 09:14:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-23 09:14:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 101 transitions. [2018-11-23 09:14:51,789 INFO L728 BuchiCegarLoop]: Abstraction has 71 states and 101 transitions. [2018-11-23 09:14:51,789 INFO L608 BuchiCegarLoop]: Abstraction has 71 states and 101 transitions. [2018-11-23 09:14:51,789 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 09:14:51,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 101 transitions. [2018-11-23 09:14:51,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2018-11-23 09:14:51,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 09:14:51,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 09:14:51,792 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:14:51,792 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:14:51,793 INFO L794 eck$LassoCheckResult]: Stem: 218#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 193#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~ret22, main_#t~ret23, main_#t~post24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet6;havoc main_#t~nondet6;~id1~0 := main_#t~nondet7;havoc main_#t~nondet7;~st1~0 := main_#t~nondet8;havoc main_#t~nondet8;~send1~0 := main_#t~nondet9;havoc main_#t~nondet9;~mode1~0 := main_#t~nondet10;havoc main_#t~nondet10;~alive1~0 := main_#t~nondet11;havoc main_#t~nondet11;~id2~0 := main_#t~nondet12;havoc main_#t~nondet12;~st2~0 := main_#t~nondet13;havoc main_#t~nondet13;~send2~0 := main_#t~nondet14;havoc main_#t~nondet14;~mode2~0 := main_#t~nondet15;havoc main_#t~nondet15;~alive2~0 := main_#t~nondet16;havoc main_#t~nondet16;~id3~0 := main_#t~nondet17;havoc main_#t~nondet17;~st3~0 := main_#t~nondet18;havoc main_#t~nondet18;~send3~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode3~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive3~0 := main_#t~nondet21;havoc main_#t~nondet21;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 194#L205 assume 0 == ~r1~0; 222#L206 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; 237#L207 assume ~id1~0 >= 0; 174#L208 assume 0 == ~st1~0; 175#L209 assume ~send1~0 == ~id1~0; 211#L210 assume 0 == ~mode1~0 % 256; 230#L211 assume ~id2~0 >= 0; 191#L212 assume 0 == ~st2~0; 192#L213 assume ~send2~0 == ~id2~0; 234#L214 assume 0 == ~mode2~0 % 256; 198#L215 assume ~id3~0 >= 0; 199#L216 assume 0 == ~st3~0; 223#L217 assume ~send3~0 == ~id3~0; 238#L218 assume 0 == ~mode3~0 % 256; 178#L219 assume ~id1~0 != ~id2~0; 179#L220 assume ~id1~0 != ~id3~0; 213#L221 assume ~id2~0 != ~id3~0;init_~tmp~0 := 1; 219#L205-1 init_#res := init_~tmp~0; 184#L274 main_#t~ret22 := init_#res;main_~i2~0 := main_#t~ret22;havoc main_#t~ret22;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 185#L329-2 [2018-11-23 09:14:51,793 INFO L796 eck$LassoCheckResult]: Loop: 185#L329-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 180#L102 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 182#L106 assume !(node1_~m1~0 != ~nomsg~0); 189#L106-1 ~mode1~0 := 0; 190#L102-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 205#L137 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 232#L140 assume !(node2_~m2~0 != ~nomsg~0); 203#L140-1 ~mode2~0 := 0; 177#L137-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 195#L171 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 197#L174 assume !(node3_~m3~0 != ~nomsg~0); 171#L174-1 ~mode3~0 := 0; 215#L171-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 208#L282 assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1 := 0; 209#L282-1 check_#res := check_~tmp~1; 224#L294 main_#t~ret23 := check_#res;main_~c1~0 := main_#t~ret23;havoc main_#t~ret23;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 227#L353 assume !(0 == assert_~arg % 256); 220#L348 main_#t~post24 := main_~i2~0;main_~i2~0 := 1 + main_#t~post24;havoc main_#t~post24; 185#L329-2 [2018-11-23 09:14:51,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:51,793 INFO L82 PathProgramCache]: Analyzing trace with hash -47575204, now seen corresponding path program 1 times [2018-11-23 09:14:51,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:51,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:51,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:14:51,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:14:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:14:51,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:51,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1766040228, now seen corresponding path program 2 times [2018-11-23 09:14:51,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:51,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:51,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:14:51,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:14:51,927 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 09:14:51,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:14:51,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:14:51,928 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 09:14:51,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:14:51,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:14:51,928 INFO L87 Difference]: Start difference. First operand 71 states and 101 transitions. cyclomatic complexity: 31 Second operand 5 states. [2018-11-23 09:14:51,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:14:51,977 INFO L93 Difference]: Finished difference Result 74 states and 103 transitions. [2018-11-23 09:14:51,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 09:14:51,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 103 transitions. [2018-11-23 09:14:51,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2018-11-23 09:14:51,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 71 states and 99 transitions. [2018-11-23 09:14:51,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2018-11-23 09:14:51,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2018-11-23 09:14:51,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2018-11-23 09:14:51,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 09:14:51,982 INFO L705 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-23 09:14:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2018-11-23 09:14:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-11-23 09:14:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-23 09:14:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-11-23 09:14:51,986 INFO L728 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-23 09:14:51,986 INFO L608 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-23 09:14:51,986 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 09:14:51,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2018-11-23 09:14:51,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2018-11-23 09:14:51,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 09:14:51,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 09:14:51,988 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:14:51,988 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:14:51,989 INFO L794 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY ~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset]; 350#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~ret22, main_#t~ret23, main_#t~post24, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet6;havoc main_#t~nondet6;~id1~0 := main_#t~nondet7;havoc main_#t~nondet7;~st1~0 := main_#t~nondet8;havoc main_#t~nondet8;~send1~0 := main_#t~nondet9;havoc main_#t~nondet9;~mode1~0 := main_#t~nondet10;havoc main_#t~nondet10;~alive1~0 := main_#t~nondet11;havoc main_#t~nondet11;~id2~0 := main_#t~nondet12;havoc main_#t~nondet12;~st2~0 := main_#t~nondet13;havoc main_#t~nondet13;~send2~0 := main_#t~nondet14;havoc main_#t~nondet14;~mode2~0 := main_#t~nondet15;havoc main_#t~nondet15;~alive2~0 := main_#t~nondet16;havoc main_#t~nondet16;~id3~0 := main_#t~nondet17;havoc main_#t~nondet17;~st3~0 := main_#t~nondet18;havoc main_#t~nondet18;~send3~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode3~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive3~0 := main_#t~nondet21;havoc main_#t~nondet21;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 351#L205 assume 0 == ~r1~0; 379#L206 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; 394#L207 assume ~id1~0 >= 0; 331#L208 assume 0 == ~st1~0; 332#L209 assume ~send1~0 == ~id1~0; 367#L210 assume 0 == ~mode1~0 % 256; 387#L211 assume ~id2~0 >= 0; 348#L212 assume 0 == ~st2~0; 349#L213 assume ~send2~0 == ~id2~0; 391#L214 assume 0 == ~mode2~0 % 256; 355#L215 assume ~id3~0 >= 0; 356#L216 assume 0 == ~st3~0; 380#L217 assume ~send3~0 == ~id3~0; 395#L218 assume 0 == ~mode3~0 % 256; 333#L219 assume ~id1~0 != ~id2~0; 334#L220 assume ~id1~0 != ~id3~0; 368#L221 assume ~id2~0 != ~id3~0;init_~tmp~0 := 1; 376#L205-1 init_#res := init_~tmp~0; 341#L274 main_#t~ret22 := init_#res;main_~i2~0 := main_#t~ret22;havoc main_#t~ret22;assume 0 != main_~i2~0;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0 := 0; 342#L329-2 [2018-11-23 09:14:51,989 INFO L796 eck$LassoCheckResult]: Loop: 342#L329-2 assume !!(main_~i2~0 < 6);havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 337#L102 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 339#L106 assume !(node1_~m1~0 != ~nomsg~0); 346#L106-1 ~mode1~0 := 0; 347#L102-2 havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 362#L137 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 389#L140 assume !(node2_~m2~0 != ~nomsg~0); 360#L140-1 ~mode2~0 := 0; 336#L137-2 havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 352#L171 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 354#L174 assume !(node3_~m3~0 != ~nomsg~0); 328#L174-1 ~mode3~0 := 0; 371#L171-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 365#L282 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 366#L283 assume ~r1~0 < 3;check_~tmp~1 := 1; 373#L282-1 check_#res := check_~tmp~1; 381#L294 main_#t~ret23 := check_#res;main_~c1~0 := main_#t~ret23;havoc main_#t~ret23;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 384#L353 assume !(0 == assert_~arg % 256); 378#L348 main_#t~post24 := main_~i2~0;main_~i2~0 := 1 + main_#t~post24;havoc main_#t~post24; 342#L329-2 [2018-11-23 09:14:51,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:51,989 INFO L82 PathProgramCache]: Analyzing trace with hash -47575204, now seen corresponding path program 2 times [2018-11-23 09:14:51,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:51,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:51,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:51,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 09:14:51,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:14:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:14:52,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:52,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1470655047, now seen corresponding path program 1 times [2018-11-23 09:14:52,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:52,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:52,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:52,027 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 09:14:52,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:14:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 09:14:52,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1996203394, now seen corresponding path program 1 times [2018-11-23 09:14:52,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:14:52,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:14:52,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:52,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:14:52,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:14:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:14:52,118 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 09:14:52,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:14:52,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:14:52,336 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2018-11-23 09:14:52,791 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2018-11-23 09:14:52,817 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 09:14:52,818 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 09:14:52,818 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 09:14:52,818 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 09:14:52,818 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 09:14:52,819 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 09:14:52,819 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 09:14:52,819 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 09:14:52,819 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c_Iteration3_Loop [2018-11-23 09:14:52,819 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 09:14:52,819 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 09:14:52,844 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 09:14:52,852 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 09:14:52,857 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 09:14:52,859 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 09:14:52,860 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 09:14:52,862 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 09:14:52,879 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 09:14:52,880 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 09:14:52,885 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 09:14:52,887 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 09:14:52,889 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 09:14:52,917 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 09:14:52,919 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 09:14:52,922 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 09:14:52,932 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 09:14:52,934 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 09:14:52,937 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 09:14:52,939 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 09:14:52,943 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 09:14:52,944 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 09:14:52,949 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 09:14:52,951 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 09:14:52,953 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 09:14:53,333 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 09:14:53,334 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/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 09:14:53,339 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 09:14:53,339 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_912eb9d8-9922-4fb8-9f8e-7c5d25a89366/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 09:14:53,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 09:14:53,367 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 09:14:53,463 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 09:14:53,465 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 09:14:53,466 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 09:14:53,466 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 09:14:53,466 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 09:14:53,466 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 09:14:53,466 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 09:14:53,466 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 09:14:53,466 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 09:14:53,466 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.3_true-unreach-call.ufo.BOUNDED-6.pals_true-termination.c_Iteration3_Loop [2018-11-23 09:14:53,466 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 09:14:53,466 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 09:14:53,474 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 09:14:53,480 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 09:14:53,484 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 09:14:53,486 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 09:14:53,487 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 09:14:53,489 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 09:14:53,491 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 09:14:53,493 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 09:14:53,494 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 09:14:53,498 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 09:14:53,502 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 09:14:53,503 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 09:14:53,505 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 09:14:53,529 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 09:14:53,530 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 09:14:53,547 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 09:14:53,548 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 09:14:53,553 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 09:14:53,561 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 09:14:53,563 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 09:14:53,564 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 09:14:53,569 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 09:14:53,572 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 09:14:53,901 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 09:14:53,905 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 09:14:53,907 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 09:14:53,908 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,908 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,910 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,912 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,917 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 09:14:53,917 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,918 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,919 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,922 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 09:14:53,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,923 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,925 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 09:14:53,925 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 09:14:53,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,928 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 09:14:53,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,929 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,929 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,930 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,931 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 09:14:53,931 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,932 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,932 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,934 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 09:14:53,934 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,935 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,936 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 09:14:53,936 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 09:14:53,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,940 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 09:14:53,940 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,941 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,942 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 09:14:53,942 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 09:14:53,945 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,946 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 09:14:53,946 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,948 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,949 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 09:14:53,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,950 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,950 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,953 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 09:14:53,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,954 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,955 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,955 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,957 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,958 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 09:14:53,958 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,959 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,962 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 09:14:53,963 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 09:14:53,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,966 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 09:14:53,966 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,967 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,967 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,969 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 09:14:53,969 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,969 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 09:14:53,970 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,970 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 09:14:53,971 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,980 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,981 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 09:14:53,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,981 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,982 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,982 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,983 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 09:14:53,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,985 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,986 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,989 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,989 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 09:14:53,990 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,990 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,990 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,991 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,991 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,992 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 09:14:53,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,994 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:53,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 09:14:53,997 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 09:14:53,997 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 09:14:53,998 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 09:14:53,998 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 09:14:53,998 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 09:14:53,998 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 09:14:53,998 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 09:14:53,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 09:14:54,003 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 09:14:54,006 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 09:14:54,007 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 09:14:54,008 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 09:14:54,008 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-23 09:14:54,009 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 09:14:54,009 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 11 Supporting invariants [] [2018-11-23 09:14:54,010 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-23 09:14:54,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:14:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:14:54,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:14:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:14:54,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:14:54,110 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 09:14:54,114 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 09:14:54,115 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 99 transitions. cyclomatic complexity: 29 Second operand 3 states. [2018-11-23 09:14:54,167 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 99 transitions. cyclomatic complexity: 29. Second operand 3 states. Result 121 states and 178 transitions. Complement of second has 4 states. [2018-11-23 09:14:54,168 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 09:14:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 09:14:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2018-11-23 09:14:54,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 99 transitions. Stem has 21 letters. Loop has 19 letters. [2018-11-23 09:14:54,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 09:14:54,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 99 transitions. Stem has 40 letters. Loop has 19 letters. [2018-11-23 09:14:54,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 09:14:54,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 99 transitions. Stem has 21 letters. Loop has 38 letters. [2018-11-23 09:14:54,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 09:14:54,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 178 transitions. [2018-11-23 09:14:54,176 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 09:14:54,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 0 states and 0 transitions. [2018-11-23 09:14:54,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 09:14:54,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 09:14:54,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 09:14:54,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 09:14:54,176 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:14:54,177 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:14:54,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:14:54,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:14:54,177 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-23 09:14:54,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:14:54,177 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 09:14:54,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:14:54,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-23 09:14:54,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 09:14:54,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:14:54,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 09:14:54,178 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 09:14:54,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 09:14:54,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 09:14:54,178 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:14:54,179 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:14:54,179 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:14:54,179 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-23 09:14:54,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:14:54,179 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 09:14:54,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 09:14:54,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 09:14:54 BoogieIcfgContainer [2018-11-23 09:14:54,184 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 09:14:54,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:14:54,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:14:54,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:14:54,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:51" (3/4) ... [2018-11-23 09:14:54,188 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 09:14:54,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:14:54,188 INFO L168 Benchmark]: Toolchain (without parser) took 3804.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -59.9 MB). Peak memory consumption was 137.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:14:54,189 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:14:54,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.96 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 09:14:54,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 09:14:54,191 INFO L168 Benchmark]: Boogie Preprocessor took 29.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:14:54,191 INFO L168 Benchmark]: RCFGBuilder took 485.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:14:54,192 INFO L168 Benchmark]: BuchiAutomizer took 2901.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:14:54,192 INFO L168 Benchmark]: Witness Printer took 3.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:14:54,196 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.96 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2901.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 71 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 318 SDtfs, 177 SDslu, 590 SDs, 0 SdLazy, 22 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital215 mio100 ax117 hnf104 lsp22 ukn65 mio100 lsp100 div173 bol100 ite100 ukn100 eq151 hnf74 smp100 dnf104 smp96 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...