./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bface9c2aaf995719ea2868f2c86b44f41c1d67a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:44:45,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:44:45,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:44:45,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:44:45,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:44:45,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:44:45,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:44:45,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:44:45,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:44:45,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:44:45,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:44:45,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:44:45,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:44:45,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:44:45,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:44:45,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:44:45,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:44:45,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:44:45,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:44:45,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:44:45,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:44:45,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:44:45,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:44:45,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:44:45,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:44:45,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:44:45,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:44:45,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:44:45,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:44:45,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:44:45,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:44:45,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:44:45,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:44:45,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:44:45,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:44:45,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:44:45,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:44:45,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:44:45,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:44:45,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:44:45,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:44:45,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 06:44:45,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:44:45,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:44:45,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:44:45,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:44:45,838 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:44:45,839 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 06:44:45,839 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 06:44:45,839 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 06:44:45,839 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 06:44:45,839 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 06:44:45,840 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 06:44:45,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:44:45,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:44:45,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 06:44:45,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:44:45,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:44:45,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:44:45,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 06:44:45,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 06:44:45,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 06:44:45,842 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:44:45,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:44:45,842 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 06:44:45,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:44:45,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 06:44:45,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:44:45,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:44:45,843 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 06:44:45,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:44:45,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:44:45,844 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 06:44:45,845 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 06:44:45,845 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bface9c2aaf995719ea2868f2c86b44f41c1d67a [2019-11-20 06:44:46,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:44:46,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:44:46,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:44:46,017 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:44:46,017 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:44:46,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2019-11-20 06:44:46,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/data/07889e240/a6cc7007573b49cb901f3c11a5ec033e/FLAG1d0280286 [2019-11-20 06:44:46,494 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:44:46,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2019-11-20 06:44:46,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/data/07889e240/a6cc7007573b49cb901f3c11a5ec033e/FLAG1d0280286 [2019-11-20 06:44:46,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/data/07889e240/a6cc7007573b49cb901f3c11a5ec033e [2019-11-20 06:44:46,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:44:46,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:44:46,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:44:46,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:44:46,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:44:46,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:46" (1/1) ... [2019-11-20 06:44:46,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c1783e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:46, skipping insertion in model container [2019-11-20 06:44:46,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:44:46" (1/1) ... [2019-11-20 06:44:46,533 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:44:46,571 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:44:46,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:44:46,937 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:44:46,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:44:47,003 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:44:47,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47 WrapperNode [2019-11-20 06:44:47,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:44:47,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:44:47,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:44:47,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:44:47,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:44:47,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:44:47,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:44:47,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:44:47,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... [2019-11-20 06:44:47,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:44:47,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:44:47,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:44:47,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:44:47,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:44:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:44:47,785 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:44:47,786 INFO L285 CfgBuilder]: Removed 23 assume(true) statements. [2019-11-20 06:44:47,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:47 BoogieIcfgContainer [2019-11-20 06:44:47,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:44:47,788 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 06:44:47,788 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 06:44:47,791 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 06:44:47,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:44:47,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:44:46" (1/3) ... [2019-11-20 06:44:47,793 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7494cbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:44:47, skipping insertion in model container [2019-11-20 06:44:47,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:44:47,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:44:47" (2/3) ... [2019-11-20 06:44:47,793 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7494cbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:44:47, skipping insertion in model container [2019-11-20 06:44:47,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 06:44:47,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:47" (3/3) ... [2019-11-20 06:44:47,796 INFO L371 chiAutomizerObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c [2019-11-20 06:44:47,836 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 06:44:47,837 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 06:44:47,837 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 06:44:47,839 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:44:47,839 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:44:47,839 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 06:44:47,839 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:44:47,839 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 06:44:47,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2019-11-20 06:44:47,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2019-11-20 06:44:47,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:44:47,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:44:47,912 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 06:44:47,912 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:47,912 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 06:44:47,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2019-11-20 06:44:47,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2019-11-20 06:44:47,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:44:47,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:44:47,926 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 06:44:47,926 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:47,936 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRYtrue ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 9#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~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~ret31, main_#t~ret32, main_#t~post33, 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;~id2~0 := main_#t~nondet11;havoc main_#t~nondet11;~st2~0 := main_#t~nondet12;havoc main_#t~nondet12;~send2~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode2~0 := main_#t~nondet14;havoc main_#t~nondet14;~id3~0 := main_#t~nondet15;havoc main_#t~nondet15;~st3~0 := main_#t~nondet16;havoc main_#t~nondet16;~send3~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode3~0 := main_#t~nondet18;havoc main_#t~nondet18;~id4~0 := main_#t~nondet19;havoc main_#t~nondet19;~st4~0 := main_#t~nondet20;havoc main_#t~nondet20;~send4~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode4~0 := main_#t~nondet22;havoc main_#t~nondet22;~id5~0 := main_#t~nondet23;havoc main_#t~nondet23;~st5~0 := main_#t~nondet24;havoc main_#t~nondet24;~send5~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode5~0 := main_#t~nondet26;havoc main_#t~nondet26;~id6~0 := main_#t~nondet27;havoc main_#t~nondet27;~st6~0 := main_#t~nondet28;havoc main_#t~nondet28;~send6~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode6~0 := main_#t~nondet30;havoc main_#t~nondet30;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 88#L272true assume !(0 == ~r1~0);init_~tmp~0 := 0; 86#L272-1true init_#res := init_~tmp~0; 39#L433true main_#t~ret31 := init_#res;main_~i2~0 := main_#t~ret31;havoc main_#t~ret31;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;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 102#L511-2true [2019-11-20 06:44:47,942 INFO L796 eck$LassoCheckResult]: Loop: 102#L511-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 15#L120true assume !(0 != ~mode1~0 % 256); 97#L134true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite0 := ~send1~0; 109#L134-2true ~p1_new~0 := (if node1_#t~ite0 % 256 <= 127 then node1_#t~ite0 % 256 else node1_#t~ite0 % 256 - 256);havoc node1_#t~ite0;~mode1~0 := 1; 14#L120-2true havoc node2_#t~ite1, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 62#L146true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 64#L149true assume !(node2_~m2~0 != ~nomsg~0); 49#L149-1true ~mode2~0 := 0; 59#L146-2true havoc node3_#t~ite2, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 66#L171true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 55#L174true assume !(node3_~m3~0 != ~nomsg~0); 54#L174-1true ~mode3~0 := 0; 48#L171-2true havoc node4_#t~ite3, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 56#L196true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 32#L199true assume !(node4_~m4~0 != ~nomsg~0); 30#L199-1true ~mode4~0 := 0; 53#L196-2true havoc node5_#t~ite4, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 33#L221true assume !(0 != ~mode5~0 % 256); 81#L234true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite4 := ~send5~0; 63#L234-2true ~p5_new~0 := (if node5_#t~ite4 % 256 <= 127 then node5_#t~ite4 % 256 else node5_#t~ite4 % 256 - 256);havoc node5_#t~ite4;~mode5~0 := 1; 29#L221-2true havoc node6_#t~ite5, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 37#L246true assume !(0 != ~mode6~0 % 256); 70#L259true assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite5 := ~send6~0; 67#L259-2true ~p6_new~0 := (if node6_#t~ite5 % 256 <= 127 then node6_#t~ite5 % 256 else node6_#t~ite5 % 256 - 256);havoc node6_#t~ite5;~mode6~0 := 1; 23#L246-2true ~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;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 42#L441true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 43#L441-1true check_#res := check_~tmp~1; 20#L461true main_#t~ret32 := check_#res;main_~c1~0 := main_#t~ret32;havoc main_#t~ret32;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 8#L544true assume !(0 == assert_~arg % 256); 95#L539true main_#t~post33 := main_~i2~0;main_~i2~0 := 1 + main_#t~post33;havoc main_#t~post33; 102#L511-2true [2019-11-20 06:44:47,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:47,948 INFO L82 PathProgramCache]: Analyzing trace with hash 28928112, now seen corresponding path program 1 times [2019-11-20 06:44:47,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:47,956 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493007741] [2019-11-20 06:44:47,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:44:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:48,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493007741] [2019-11-20 06:44:48,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:44:48,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:44:48,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476852480] [2019-11-20 06:44:48,160 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 06:44:48,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:48,160 INFO L82 PathProgramCache]: Analyzing trace with hash 15305473, now seen corresponding path program 1 times [2019-11-20 06:44:48,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:48,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304255718] [2019-11-20 06:44:48,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:44:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:48,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304255718] [2019-11-20 06:44:48,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:44:48,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 06:44:48,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443296978] [2019-11-20 06:44:48,383 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 06:44:48,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:44:48,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:44:48,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:44:48,400 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 4 states. [2019-11-20 06:44:48,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:44:48,504 INFO L93 Difference]: Finished difference Result 109 states and 183 transitions. [2019-11-20 06:44:48,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 06:44:48,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 183 transitions. [2019-11-20 06:44:48,520 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2019-11-20 06:44:48,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 102 states and 137 transitions. [2019-11-20 06:44:48,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2019-11-20 06:44:48,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2019-11-20 06:44:48,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 137 transitions. [2019-11-20 06:44:48,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:44:48,527 INFO L688 BuchiCegarLoop]: Abstraction has 102 states and 137 transitions. [2019-11-20 06:44:48,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 137 transitions. [2019-11-20 06:44:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-11-20 06:44:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-20 06:44:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 137 transitions. [2019-11-20 06:44:48,552 INFO L711 BuchiCegarLoop]: Abstraction has 102 states and 137 transitions. [2019-11-20 06:44:48,553 INFO L591 BuchiCegarLoop]: Abstraction has 102 states and 137 transitions. [2019-11-20 06:44:48,553 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 06:44:48,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 137 transitions. [2019-11-20 06:44:48,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2019-11-20 06:44:48,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:44:48,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:44:48,557 INFO L849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:48,557 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:48,558 INFO L794 eck$LassoCheckResult]: Stem: 327#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 244#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~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~ret31, main_#t~ret32, main_#t~post33, 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;~id2~0 := main_#t~nondet11;havoc main_#t~nondet11;~st2~0 := main_#t~nondet12;havoc main_#t~nondet12;~send2~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode2~0 := main_#t~nondet14;havoc main_#t~nondet14;~id3~0 := main_#t~nondet15;havoc main_#t~nondet15;~st3~0 := main_#t~nondet16;havoc main_#t~nondet16;~send3~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode3~0 := main_#t~nondet18;havoc main_#t~nondet18;~id4~0 := main_#t~nondet19;havoc main_#t~nondet19;~st4~0 := main_#t~nondet20;havoc main_#t~nondet20;~send4~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode4~0 := main_#t~nondet22;havoc main_#t~nondet22;~id5~0 := main_#t~nondet23;havoc main_#t~nondet23;~st5~0 := main_#t~nondet24;havoc main_#t~nondet24;~send5~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode5~0 := main_#t~nondet26;havoc main_#t~nondet26;~id6~0 := main_#t~nondet27;havoc main_#t~nondet27;~st6~0 := main_#t~nondet28;havoc main_#t~nondet28;~send6~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode6~0 := main_#t~nondet30;havoc main_#t~nondet30;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 245#L272 assume 0 == ~r1~0; 303#L273 assume ~id1~0 >= 0; 234#L274 assume 0 == ~st1~0; 235#L275 assume ~send1~0 == ~id1~0; 291#L276 assume 0 == ~mode1~0 % 256; 246#L277 assume ~id2~0 >= 0; 247#L278 assume 0 == ~st2~0; 295#L279 assume ~send2~0 == ~id2~0; 296#L280 assume 0 == ~mode2~0 % 256; 322#L281 assume ~id3~0 >= 0; 264#L282 assume 0 == ~st3~0; 265#L283 assume ~send3~0 == ~id3~0; 304#L284 assume 0 == ~mode3~0 % 256; 236#L285 assume ~id4~0 >= 0; 237#L286 assume 0 == ~st4~0; 310#L287 assume ~send4~0 == ~id4~0; 248#L288 assume 0 == ~mode4~0 % 256; 249#L289 assume ~id5~0 >= 0; 297#L290 assume 0 == ~st5~0; 298#L291 assume ~send5~0 == ~id5~0; 323#L292 assume 0 == ~mode5~0 % 256; 266#L293 assume ~id6~0 >= 0; 267#L294 assume 0 == ~st6~0; 305#L295 assume ~send6~0 == ~id6~0; 240#L296 assume 0 == ~mode6~0 % 256; 241#L297 assume ~id1~0 != ~id2~0; 311#L298 assume ~id1~0 != ~id3~0; 252#L299 assume ~id1~0 != ~id4~0; 253#L300 assume ~id1~0 != ~id5~0; 301#L301 assume ~id1~0 != ~id6~0; 302#L302 assume ~id2~0 != ~id3~0; 315#L303 assume ~id2~0 != ~id4~0; 278#L304 assume ~id2~0 != ~id5~0; 279#L305 assume ~id2~0 != ~id6~0; 312#L306 assume ~id3~0 != ~id4~0; 250#L307 assume ~id3~0 != ~id5~0; 251#L308 assume ~id3~0 != ~id6~0; 306#L309 assume ~id4~0 != ~id5~0; 238#L310 assume ~id4~0 != ~id6~0; 239#L311 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 325#L272-1 init_#res := init_~tmp~0; 299#L433 main_#t~ret31 := init_#res;main_~i2~0 := main_#t~ret31;havoc main_#t~ret31;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;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 300#L511-2 [2019-11-20 06:44:48,558 INFO L796 eck$LassoCheckResult]: Loop: 300#L511-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 256#L120 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 257#L124 assume !(node1_~m1~0 != ~nomsg~0); 272#L124-1 ~mode1~0 := 0; 254#L120-2 havoc node2_#t~ite1, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 255#L146 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 317#L149 assume !(node2_~m2~0 != ~nomsg~0); 260#L149-1 ~mode2~0 := 0; 309#L146-2 havoc node3_#t~ite2, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 316#L171 assume !(0 != ~mode3~0 % 256); 320#L184 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite2 := ~send3~0; 329#L184-2 ~p3_new~0 := (if node3_#t~ite2 % 256 <= 127 then node3_#t~ite2 % 256 else node3_#t~ite2 % 256 - 256);havoc node3_#t~ite2;~mode3~0 := 1; 307#L171-2 havoc node4_#t~ite3, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 308#L196 assume !(0 != ~mode4~0 % 256); 314#L209 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite3 := ~send4~0; 324#L209-2 ~p4_new~0 := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256);havoc node4_#t~ite3;~mode4~0 := 1; 285#L196-2 havoc node5_#t~ite4, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 288#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 289#L224 assume !(node5_~m5~0 != ~nomsg~0); 292#L224-1 ~mode5~0 := 0; 282#L221-2 havoc node6_#t~ite5, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 283#L246 assume !(0 != ~mode6~0 % 256); 294#L259 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite5 := ~send6~0; 321#L259-2 ~p6_new~0 := (if node6_#t~ite5 % 256 <= 127 then node6_#t~ite5 % 256 else node6_#t~ite5 % 256 - 256);havoc node6_#t~ite5;~mode6~0 := 1; 274#L246-2 ~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;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 275#L441 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 270#L441-1 check_#res := check_~tmp~1; 268#L461 main_#t~ret32 := check_#res;main_~c1~0 := main_#t~ret32;havoc main_#t~ret32;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 242#L544 assume !(0 == assert_~arg % 256); 243#L539 main_#t~post33 := main_~i2~0;main_~i2~0 := 1 + main_#t~post33;havoc main_#t~post33; 300#L511-2 [2019-11-20 06:44:48,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:48,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1620558881, now seen corresponding path program 1 times [2019-11-20 06:44:48,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:48,559 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38580512] [2019-11-20 06:44:48,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:48,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:44:48,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:48,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1179596289, now seen corresponding path program 1 times [2019-11-20 06:44:48,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:48,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741659900] [2019-11-20 06:44:48,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:44:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:48,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741659900] [2019-11-20 06:44:48,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:44:48,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 06:44:48,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765217871] [2019-11-20 06:44:48,794 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 06:44:48,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:44:48,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 06:44:48,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 06:44:48,795 INFO L87 Difference]: Start difference. First operand 102 states and 137 transitions. cyclomatic complexity: 36 Second operand 5 states. [2019-11-20 06:44:48,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:44:48,861 INFO L93 Difference]: Finished difference Result 105 states and 139 transitions. [2019-11-20 06:44:48,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 06:44:48,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 139 transitions. [2019-11-20 06:44:48,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2019-11-20 06:44:48,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 102 states and 134 transitions. [2019-11-20 06:44:48,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2019-11-20 06:44:48,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2019-11-20 06:44:48,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 134 transitions. [2019-11-20 06:44:48,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:44:48,866 INFO L688 BuchiCegarLoop]: Abstraction has 102 states and 134 transitions. [2019-11-20 06:44:48,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 134 transitions. [2019-11-20 06:44:48,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-11-20 06:44:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-20 06:44:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 134 transitions. [2019-11-20 06:44:48,875 INFO L711 BuchiCegarLoop]: Abstraction has 102 states and 134 transitions. [2019-11-20 06:44:48,875 INFO L591 BuchiCegarLoop]: Abstraction has 102 states and 134 transitions. [2019-11-20 06:44:48,875 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 06:44:48,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 134 transitions. [2019-11-20 06:44:48,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2019-11-20 06:44:48,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:44:48,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:44:48,882 INFO L849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:48,882 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:48,883 INFO L794 eck$LassoCheckResult]: Stem: 546#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 463#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~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~ret31, main_#t~ret32, main_#t~post33, 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;~id2~0 := main_#t~nondet11;havoc main_#t~nondet11;~st2~0 := main_#t~nondet12;havoc main_#t~nondet12;~send2~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode2~0 := main_#t~nondet14;havoc main_#t~nondet14;~id3~0 := main_#t~nondet15;havoc main_#t~nondet15;~st3~0 := main_#t~nondet16;havoc main_#t~nondet16;~send3~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode3~0 := main_#t~nondet18;havoc main_#t~nondet18;~id4~0 := main_#t~nondet19;havoc main_#t~nondet19;~st4~0 := main_#t~nondet20;havoc main_#t~nondet20;~send4~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode4~0 := main_#t~nondet22;havoc main_#t~nondet22;~id5~0 := main_#t~nondet23;havoc main_#t~nondet23;~st5~0 := main_#t~nondet24;havoc main_#t~nondet24;~send5~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode5~0 := main_#t~nondet26;havoc main_#t~nondet26;~id6~0 := main_#t~nondet27;havoc main_#t~nondet27;~st6~0 := main_#t~nondet28;havoc main_#t~nondet28;~send6~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode6~0 := main_#t~nondet30;havoc main_#t~nondet30;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 464#L272 assume 0 == ~r1~0; 522#L273 assume ~id1~0 >= 0; 453#L274 assume 0 == ~st1~0; 454#L275 assume ~send1~0 == ~id1~0; 510#L276 assume 0 == ~mode1~0 % 256; 465#L277 assume ~id2~0 >= 0; 466#L278 assume 0 == ~st2~0; 514#L279 assume ~send2~0 == ~id2~0; 515#L280 assume 0 == ~mode2~0 % 256; 541#L281 assume ~id3~0 >= 0; 483#L282 assume 0 == ~st3~0; 484#L283 assume ~send3~0 == ~id3~0; 523#L284 assume 0 == ~mode3~0 % 256; 455#L285 assume ~id4~0 >= 0; 456#L286 assume 0 == ~st4~0; 529#L287 assume ~send4~0 == ~id4~0; 467#L288 assume 0 == ~mode4~0 % 256; 468#L289 assume ~id5~0 >= 0; 516#L290 assume 0 == ~st5~0; 517#L291 assume ~send5~0 == ~id5~0; 542#L292 assume 0 == ~mode5~0 % 256; 485#L293 assume ~id6~0 >= 0; 486#L294 assume 0 == ~st6~0; 524#L295 assume ~send6~0 == ~id6~0; 459#L296 assume 0 == ~mode6~0 % 256; 460#L297 assume ~id1~0 != ~id2~0; 530#L298 assume ~id1~0 != ~id3~0; 471#L299 assume ~id1~0 != ~id4~0; 472#L300 assume ~id1~0 != ~id5~0; 520#L301 assume ~id1~0 != ~id6~0; 521#L302 assume ~id2~0 != ~id3~0; 534#L303 assume ~id2~0 != ~id4~0; 497#L304 assume ~id2~0 != ~id5~0; 498#L305 assume ~id2~0 != ~id6~0; 531#L306 assume ~id3~0 != ~id4~0; 469#L307 assume ~id3~0 != ~id5~0; 470#L308 assume ~id3~0 != ~id6~0; 525#L309 assume ~id4~0 != ~id5~0; 457#L310 assume ~id4~0 != ~id6~0; 458#L311 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 544#L272-1 init_#res := init_~tmp~0; 518#L433 main_#t~ret31 := init_#res;main_~i2~0 := main_#t~ret31;havoc main_#t~ret31;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;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 519#L511-2 [2019-11-20 06:44:48,883 INFO L796 eck$LassoCheckResult]: Loop: 519#L511-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 475#L120 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 476#L124 assume !(node1_~m1~0 != ~nomsg~0); 491#L124-1 ~mode1~0 := 0; 473#L120-2 havoc node2_#t~ite1, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 474#L146 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 536#L149 assume !(node2_~m2~0 != ~nomsg~0); 479#L149-1 ~mode2~0 := 0; 528#L146-2 havoc node3_#t~ite2, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 535#L171 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 532#L174 assume !(node3_~m3~0 != ~nomsg~0); 451#L174-1 ~mode3~0 := 0; 526#L171-2 havoc node4_#t~ite3, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 527#L196 assume !(0 != ~mode4~0 % 256); 533#L209 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite3 := ~send4~0; 543#L209-2 ~p4_new~0 := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256);havoc node4_#t~ite3;~mode4~0 := 1; 504#L196-2 havoc node5_#t~ite4, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 507#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 508#L224 assume !(node5_~m5~0 != ~nomsg~0); 511#L224-1 ~mode5~0 := 0; 501#L221-2 havoc node6_#t~ite5, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 502#L246 assume !(0 != ~mode6~0 % 256); 513#L259 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite5 := ~send6~0; 540#L259-2 ~p6_new~0 := (if node6_#t~ite5 % 256 <= 127 then node6_#t~ite5 % 256 else node6_#t~ite5 % 256 - 256);havoc node6_#t~ite5;~mode6~0 := 1; 493#L246-2 ~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;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 494#L441 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 480#L442 assume ~r1~0 >= 6; 481#L446 assume ~r1~0 < 6;check_~tmp~1 := 1; 489#L441-1 check_#res := check_~tmp~1; 487#L461 main_#t~ret32 := check_#res;main_~c1~0 := main_#t~ret32;havoc main_#t~ret32;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 461#L544 assume !(0 == assert_~arg % 256); 462#L539 main_#t~post33 := main_~i2~0;main_~i2~0 := 1 + main_#t~post33;havoc main_#t~post33; 519#L511-2 [2019-11-20 06:44:48,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:48,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1620558881, now seen corresponding path program 2 times [2019-11-20 06:44:48,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:48,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499496907] [2019-11-20 06:44:48,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:48,985 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:44:48,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:48,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1341300421, now seen corresponding path program 1 times [2019-11-20 06:44:48,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:48,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632157375] [2019-11-20 06:44:48,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:44:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:49,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632157375] [2019-11-20 06:44:49,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:44:49,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:44:49,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97719719] [2019-11-20 06:44:49,037 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 06:44:49,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:44:49,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:44:49,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:44:49,037 INFO L87 Difference]: Start difference. First operand 102 states and 134 transitions. cyclomatic complexity: 33 Second operand 3 states. [2019-11-20 06:44:49,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:44:49,062 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2019-11-20 06:44:49,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:44:49,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 213 transitions. [2019-11-20 06:44:49,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2019-11-20 06:44:49,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 213 transitions. [2019-11-20 06:44:49,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2019-11-20 06:44:49,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2019-11-20 06:44:49,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 213 transitions. [2019-11-20 06:44:49,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:44:49,069 INFO L688 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2019-11-20 06:44:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 213 transitions. [2019-11-20 06:44:49,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-11-20 06:44:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-11-20 06:44:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 213 transitions. [2019-11-20 06:44:49,082 INFO L711 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2019-11-20 06:44:49,083 INFO L591 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2019-11-20 06:44:49,084 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 06:44:49,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 213 transitions. [2019-11-20 06:44:49,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2019-11-20 06:44:49,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 06:44:49,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 06:44:49,088 INFO L849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:49,091 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:44:49,091 INFO L794 eck$LassoCheckResult]: Stem: 808#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 725#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~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~ret31, main_#t~ret32, main_#t~post33, 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;~id2~0 := main_#t~nondet11;havoc main_#t~nondet11;~st2~0 := main_#t~nondet12;havoc main_#t~nondet12;~send2~0 := main_#t~nondet13;havoc main_#t~nondet13;~mode2~0 := main_#t~nondet14;havoc main_#t~nondet14;~id3~0 := main_#t~nondet15;havoc main_#t~nondet15;~st3~0 := main_#t~nondet16;havoc main_#t~nondet16;~send3~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode3~0 := main_#t~nondet18;havoc main_#t~nondet18;~id4~0 := main_#t~nondet19;havoc main_#t~nondet19;~st4~0 := main_#t~nondet20;havoc main_#t~nondet20;~send4~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode4~0 := main_#t~nondet22;havoc main_#t~nondet22;~id5~0 := main_#t~nondet23;havoc main_#t~nondet23;~st5~0 := main_#t~nondet24;havoc main_#t~nondet24;~send5~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode5~0 := main_#t~nondet26;havoc main_#t~nondet26;~id6~0 := main_#t~nondet27;havoc main_#t~nondet27;~st6~0 := main_#t~nondet28;havoc main_#t~nondet28;~send6~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode6~0 := main_#t~nondet30;havoc main_#t~nondet30;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 726#L272 assume 0 == ~r1~0; 783#L273 assume ~id1~0 >= 0; 715#L274 assume 0 == ~st1~0; 716#L275 assume ~send1~0 == ~id1~0; 771#L276 assume 0 == ~mode1~0 % 256; 727#L277 assume ~id2~0 >= 0; 728#L278 assume 0 == ~st2~0; 775#L279 assume ~send2~0 == ~id2~0; 776#L280 assume 0 == ~mode2~0 % 256; 803#L281 assume ~id3~0 >= 0; 744#L282 assume 0 == ~st3~0; 745#L283 assume ~send3~0 == ~id3~0; 784#L284 assume 0 == ~mode3~0 % 256; 717#L285 assume ~id4~0 >= 0; 718#L286 assume 0 == ~st4~0; 790#L287 assume ~send4~0 == ~id4~0; 729#L288 assume 0 == ~mode4~0 % 256; 730#L289 assume ~id5~0 >= 0; 777#L290 assume 0 == ~st5~0; 778#L291 assume ~send5~0 == ~id5~0; 804#L292 assume 0 == ~mode5~0 % 256; 746#L293 assume ~id6~0 >= 0; 747#L294 assume 0 == ~st6~0; 785#L295 assume ~send6~0 == ~id6~0; 721#L296 assume 0 == ~mode6~0 % 256; 722#L297 assume ~id1~0 != ~id2~0; 791#L298 assume ~id1~0 != ~id3~0; 733#L299 assume ~id1~0 != ~id4~0; 734#L300 assume ~id1~0 != ~id5~0; 781#L301 assume ~id1~0 != ~id6~0; 782#L302 assume ~id2~0 != ~id3~0; 795#L303 assume ~id2~0 != ~id4~0; 758#L304 assume ~id2~0 != ~id5~0; 759#L305 assume ~id2~0 != ~id6~0; 792#L306 assume ~id3~0 != ~id4~0; 731#L307 assume ~id3~0 != ~id5~0; 732#L308 assume ~id3~0 != ~id6~0; 786#L309 assume ~id4~0 != ~id5~0; 719#L310 assume ~id4~0 != ~id6~0; 720#L311 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 806#L272-1 init_#res := init_~tmp~0; 779#L433 main_#t~ret31 := init_#res;main_~i2~0 := main_#t~ret31;havoc main_#t~ret31;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;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 780#L511-2 [2019-11-20 06:44:49,092 INFO L796 eck$LassoCheckResult]: Loop: 780#L511-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 861#L120 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 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 738#L124 assume !(node1_~m1~0 != ~nomsg~0); 752#L124-1 ~mode1~0 := 0; 797#L120-2 havoc node2_#t~ite1, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 858#L146 assume !(0 != ~mode2~0 % 256); 854#L159 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite1 := ~send2~0; 853#L159-2 ~p2_new~0 := (if node2_#t~ite1 % 256 <= 127 then node2_#t~ite1 % 256 else node2_#t~ite1 % 256 - 256);havoc node2_#t~ite1;~mode2~0 := 1; 851#L146-2 havoc node3_#t~ite2, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 850#L171 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 848#L174 assume !(node3_~m3~0 != ~nomsg~0); 844#L174-1 ~mode3~0 := 0; 843#L171-2 havoc node4_#t~ite3, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 842#L196 assume !(0 != ~mode4~0 % 256); 838#L209 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite3 := ~send4~0; 837#L209-2 ~p4_new~0 := (if node4_#t~ite3 % 256 <= 127 then node4_#t~ite3 % 256 else node4_#t~ite3 % 256 - 256);havoc node4_#t~ite3;~mode4~0 := 1; 835#L196-2 havoc node5_#t~ite4, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 834#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 832#L224 assume !(node5_~m5~0 != ~nomsg~0); 829#L224-1 ~mode5~0 := 0; 827#L221-2 havoc node6_#t~ite5, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 826#L246 assume !(0 != ~mode6~0 % 256); 822#L259 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite5 := ~send6~0; 820#L259-2 ~p6_new~0 := (if node6_#t~ite5 % 256 <= 127 then node6_#t~ite5 % 256 else node6_#t~ite5 % 256 - 256);havoc node6_#t~ite5;~mode6~0 := 1; 819#L246-2 ~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;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 818#L441 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 817#L442 assume !(~r1~0 >= 6); 815#L445 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 816#L446 assume ~r1~0 < 6;check_~tmp~1 := 1; 865#L441-1 check_#res := check_~tmp~1; 864#L461 main_#t~ret32 := check_#res;main_~c1~0 := main_#t~ret32;havoc main_#t~ret32;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 863#L544 assume !(0 == assert_~arg % 256); 862#L539 main_#t~post33 := main_~i2~0;main_~i2~0 := 1 + main_#t~post33;havoc main_#t~post33; 780#L511-2 [2019-11-20 06:44:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:49,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1620558881, now seen corresponding path program 3 times [2019-11-20 06:44:49,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:49,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696823536] [2019-11-20 06:44:49,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:49,176 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:44:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:49,180 INFO L82 PathProgramCache]: Analyzing trace with hash 636710160, now seen corresponding path program 1 times [2019-11-20 06:44:49,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:49,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251336818] [2019-11-20 06:44:49,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:44:49,244 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 06:44:49,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:44:49,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1784458480, now seen corresponding path program 1 times [2019-11-20 06:44:49,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:44:49,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926754374] [2019-11-20 06:44:49,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:44:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:44:49,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:44:49,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926754374] [2019-11-20 06:44:49,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:44:49,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:44:49,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820268982] [2019-11-20 06:44:50,128 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 173 [2019-11-20 06:44:57,624 WARN L191 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 186 DAG size of output: 167 [2019-11-20 06:44:57,634 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:44:57,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:44:57,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:44:57,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:44:57,635 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 06:44:57,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:44:57,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:44:57,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:44:57,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2019-11-20 06:44:57,636 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:44:57,636 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:44:57,657 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-20 06:44:57,850 WARN L177 XnfTransformerHelper]: Simplifying conjuction of 15388 disjunctions. This might take some time... [2019-11-20 06:44:58,560 INFO L193 XnfTransformerHelper]: Simplified to conjuction of 60 disjunctions. [2019-11-20 06:44:58,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,806 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-11-20 06:44:58,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:58,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:44:59,276 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-20 06:44:59,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-11-20 06:45:46,944 WARN L191 SmtUtils]: Spent 47.31 s on a formula simplification. DAG size of input: 647 DAG size of output: 199 [2019-11-20 06:45:47,188 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:45:47,189 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:45:47,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 06:45:47,204 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:45:53,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 06:45:53,120 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p1_old~0=-53, ~send6~0=203, ~nomsg~0=-53, ULTIMATE.start_node4_~m4~0=-53, ~p6_new~0=-53, ULTIMATE.start_node5_~m5~0=-53, ~p5_new~0=-53, ~p2_old~0=-53, ~p4_old~0=-53, ~p5_old~0=-53, ~p3_old~0=-53, ULTIMATE.start_node2_~m2~0=-53, ~p4_new~0=-53, ~p1_new~0=-53, ~p2_new~0=-53, ~p3_new~0=-53, ~p6_old~0=-53, ULTIMATE.start_node1_~m1~0=-53, ~send2~0=203, ULTIMATE.start_node6_~m6~0=-53, ~send4~0=203, ULTIMATE.start_node3_~m3~0=-53} Honda state: {~p1_old~0=-53, ~send6~0=203, ~nomsg~0=-53, ULTIMATE.start_node4_~m4~0=-53, ~p6_new~0=-53, ULTIMATE.start_node5_~m5~0=-53, ~p5_new~0=-53, ~p2_old~0=-53, ~p4_old~0=-53, ~p5_old~0=-53, ~p3_old~0=-53, ULTIMATE.start_node2_~m2~0=-53, ~p4_new~0=-53, ~p1_new~0=-53, ~p2_new~0=-53, ~p3_new~0=-53, ~p6_old~0=-53, ULTIMATE.start_node1_~m1~0=-53, ~send2~0=203, ULTIMATE.start_node6_~m6~0=-53, ~send4~0=203, ULTIMATE.start_node3_~m3~0=-53} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:45:53,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 06:45:53,162 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:45:53,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 06:45:53,189 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:45:53,321 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 06:45:53,323 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 06:45:53,323 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 06:45:53,323 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 06:45:53,323 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 06:45:53,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 06:45:53,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:45:53,323 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 06:45:53,323 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 06:45:53,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2019-11-20 06:45:53,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 06:45:53,323 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 06:45:53,328 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-20 06:45:53,404 WARN L177 XnfTransformerHelper]: Simplifying conjuction of 15388 disjunctions. This might take some time... [2019-11-20 06:45:54,129 INFO L193 XnfTransformerHelper]: Simplified to conjuction of 60 disjunctions. [2019-11-20 06:45:54,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,652 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-11-20 06:45:54,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:54,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 06:45:55,316 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-20 06:45:55,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-11-20 06:46:42,707 WARN L191 SmtUtils]: Spent 47.14 s on a formula simplification. DAG size of input: 647 DAG size of output: 199 [2019-11-20 06:46:42,757 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 06:46:42,762 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:42,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:42,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:42,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:42,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:46:42,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:46:42,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:42,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:42,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:42,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:42,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:42,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:42,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,917 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:42,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,943 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 06:46:42,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,950 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 06:46:42,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:42,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:42,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:42,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:42,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:42,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:46:42,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:42,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:42,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:43,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:43,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:46:43,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,030 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:46:43,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:43,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:43,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:43,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:43,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:46:43,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,127 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 06:46:43,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:43,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:43,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 06:46:43,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:43,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:43,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 06:46:43,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 06:46:43,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 06:46:43,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 06:46:43,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 06:46:43,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 06:46:43,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 06:46:43,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,228 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 06:46:43,262 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 06:46:43,263 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fed93b6-13cb-4f0b-a30d-f613480b2188/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 06:46:43,317 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 06:46:43,317 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 06:46:43,318 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 06:46:43,318 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2019-11-20 06:46:43,329 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 06:46:43,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:46:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:43,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 06:46:43,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:46:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:46:43,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 06:46:43,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:46:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:46:43,498 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 06:46:43,499 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 154 states and 213 transitions. cyclomatic complexity: 60 Second operand 3 states. [2019-11-20 06:46:43,558 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 154 states and 213 transitions. cyclomatic complexity: 60. Second operand 3 states. Result 263 states and 382 transitions. Complement of second has 4 states. [2019-11-20 06:46:43,560 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 [2019-11-20 06:46:43,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 06:46:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 134 transitions. [2019-11-20 06:46:43,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 134 transitions. Stem has 44 letters. Loop has 33 letters. [2019-11-20 06:46:43,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:46:43,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 134 transitions. Stem has 77 letters. Loop has 33 letters. [2019-11-20 06:46:43,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:46:43,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 134 transitions. Stem has 44 letters. Loop has 66 letters. [2019-11-20 06:46:43,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 06:46:43,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 382 transitions. [2019-11-20 06:46:43,577 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:46:43,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 0 states and 0 transitions. [2019-11-20 06:46:43,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 06:46:43,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 06:46:43,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 06:46:43,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:46:43,580 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:46:43,580 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:46:43,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:46:43,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:46:43,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:46:43,581 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 06:46:43,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:46:43,581 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 06:46:43,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:46:43,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 06:46:43,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:46:43,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:46:43,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 06:46:43,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 06:46:43,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 06:46:43,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 06:46:43,582 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:46:43,583 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:46:43,583 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:46:43,583 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 06:46:43,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:46:43,583 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 06:46:43,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 06:46:43,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:46:43 BoogieIcfgContainer [2019-11-20 06:46:43,589 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 06:46:43,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:46:43,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:46:43,589 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:46:43,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:44:47" (3/4) ... [2019-11-20 06:46:43,593 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 06:46:43,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:46:43,594 INFO L168 Benchmark]: Toolchain (without parser) took 117075.02 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 468.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:43,595 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:46:43,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:43,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:46:43,598 INFO L168 Benchmark]: Boogie Preprocessor took 37.32 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:43,600 INFO L168 Benchmark]: RCFGBuilder took 692.23 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:43,601 INFO L168 Benchmark]: BuchiAutomizer took 115801.18 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.1 MB). Peak memory consumption was 313.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:46:43,601 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:46:43,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.32 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 692.23 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 115801.18 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.1 MB). Peak memory consumption was 313.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 115.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 115.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 154 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 653 SDtfs, 213 SDslu, 929 SDs, 0 SdLazy, 32 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital3298 mio100 ax102 hnf100 lsp6 ukn67 mio100 lsp100 div162 bol100 ite100 ukn100 eq171 hnf69 smp100 dnf40960 smp12 tf100 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...