./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.cil.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_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 133c91eb4ca703e3ebf3582d43ed0be6dbefca67 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:15:27,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:15:27,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:15:27,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:15:27,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:15:27,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:15:27,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:15:27,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:15:27,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:15:27,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:15:27,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:15:27,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:15:27,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:15:27,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:15:27,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:15:27,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:15:27,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:15:27,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:15:27,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:15:27,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:15:27,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:15:27,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:15:27,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:15:27,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:15:27,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:15:27,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:15:27,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:15:27,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:15:27,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:15:27,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:15:27,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:15:27,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:15:27,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:15:27,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:15:27,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:15:27,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:15:27,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:15:27,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:15:27,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:15:27,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:15:27,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:15:27,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:15:27,724 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:15:27,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:15:27,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:15:27,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:15:27,726 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:15:27,726 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:15:27,727 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:15:27,727 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:15:27,727 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:15:27,727 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:15:27,728 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:15:27,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:15:27,729 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:15:27,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:15:27,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:15:27,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:15:27,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:15:27,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:15:27,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:15:27,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:15:27,730 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:15:27,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:15:27,731 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:15:27,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:15:27,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:15:27,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:15:27,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:15:27,732 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:15:27,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:15:27,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:15:27,733 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:15:27,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:15:27,734 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_3596bc2b-ae42-4981-8441-ecee92ba8807/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 -> 133c91eb4ca703e3ebf3582d43ed0be6dbefca67 [2019-11-20 03:15:27,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:15:27,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:15:27,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:15:27,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:15:27,882 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:15:27,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/../../sv-benchmarks/c/systemc/toy1.cil.c [2019-11-20 03:15:27,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/data/368d391f5/1f1a5ca8d1e14df381e421aab53f92d2/FLAG09b954716 [2019-11-20 03:15:28,333 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:15:28,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/sv-benchmarks/c/systemc/toy1.cil.c [2019-11-20 03:15:28,350 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/data/368d391f5/1f1a5ca8d1e14df381e421aab53f92d2/FLAG09b954716 [2019-11-20 03:15:28,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/data/368d391f5/1f1a5ca8d1e14df381e421aab53f92d2 [2019-11-20 03:15:28,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:15:28,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:15:28,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:15:28,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:15:28,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:15:28,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7d0414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28, skipping insertion in model container [2019-11-20 03:15:28,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:15:28,442 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:15:28,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:15:28,755 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:15:28,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:15:28,824 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:15:28,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28 WrapperNode [2019-11-20 03:15:28,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:15:28,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:15:28,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:15:28,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:15:28,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:15:28,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:15:28,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:15:28,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:15:28,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... [2019-11-20 03:15:28,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:15:28,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:15:28,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:15:28,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:15:28,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:15:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:15:29,580 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:15:29,580 INFO L285 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-20 03:15:29,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:15:29 BoogieIcfgContainer [2019-11-20 03:15:29,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:15:29,582 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:15:29,582 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:15:29,585 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:15:29,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:15:29,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:15:28" (1/3) ... [2019-11-20 03:15:29,587 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17e8e43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:15:29, skipping insertion in model container [2019-11-20 03:15:29,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:15:29,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:15:28" (2/3) ... [2019-11-20 03:15:29,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17e8e43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:15:29, skipping insertion in model container [2019-11-20 03:15:29,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:15:29,588 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:15:29" (3/3) ... [2019-11-20 03:15:29,590 INFO L371 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2019-11-20 03:15:29,630 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:15:29,630 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:15:29,630 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:15:29,630 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:15:29,631 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:15:29,631 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:15:29,631 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:15:29,632 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:15:29,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states. [2019-11-20 03:15:29,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2019-11-20 03:15:29,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:29,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:29,684 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] [2019-11-20 03:15:29,684 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] [2019-11-20 03:15:29,684 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:15:29,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 127 states. [2019-11-20 03:15:29,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2019-11-20 03:15:29,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:29,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:29,693 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] [2019-11-20 03:15:29,693 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] [2019-11-20 03:15:29,701 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 15#L-1true havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 29#L406true assume !(1 == ~c_req_up~0); 16#L406-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 31#L417-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 49#L422-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 72#L427-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 93#L432-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 106#L437-1true assume !(0 == ~e_f~0); 3#L442-1true assume !(0 == ~e_g~0); 33#L447-1true assume !(0 == ~e_e~0); 54#L452-1true assume !(0 == ~e_c~0); 77#L457-1true assume !(0 == ~e_wl~0); 97#L462-1true assume !(1 == ~wl_pc~0); 67#L474true assume !(2 == ~wl_pc~0); 21#L475true assume !(1 == ~c1_pc~0); 65#L485true assume !(1 == ~c2_pc~0); 24#L494true assume !(1 == ~wb_pc~0); 118#L503true assume !(1 == ~e_c~0); 90#L512-1true assume !(1 == ~e_e~0); 94#L517-1true assume !(1 == ~e_f~0); 122#L522-1true assume !(1 == ~e_g~0); 25#L527-1true assume !(1 == ~e_c~0); 46#L532-1true assume !(1 == ~e_wl~0); 101#L674-1true [2019-11-20 03:15:29,701 INFO L796 eck$LassoCheckResult]: Loop: 101#L674-1true assume !false; 10#L544true start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 126#L379true assume !true; 30#L395true start_simulation_~kernel_st~0 := 2; 112#L550true assume !(1 == ~c_req_up~0); 95#L550-2true start_simulation_~kernel_st~0 := 3; 62#L562true assume 0 == ~e_f~0;~e_f~0 := 1; 64#L562-2true assume 0 == ~e_g~0;~e_g~0 := 1; 87#L567-1true assume 0 == ~e_e~0;~e_e~0 := 1; 114#L572-1true assume !(0 == ~e_c~0); 11#L577-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 41#L582-1true assume 1 == ~wl_pc~0; 8#L588true assume 1 == ~e_wl~0;~wl_st~0 := 0; 61#L595true assume !(1 == ~c1_pc~0); 108#L605true assume !(1 == ~c2_pc~0); 80#L614true assume !(1 == ~wb_pc~0); 51#L623true assume 1 == ~e_c~0;~r_st~0 := 0; 6#L632-1true assume 1 == ~e_e~0;~e_e~0 := 2; 38#L637-1true assume 1 == ~e_f~0;~e_f~0 := 2; 58#L642-1true assume 1 == ~e_g~0;~e_g~0 := 2; 81#L647-1true assume !(1 == ~e_c~0); 103#L652-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 129#L657-1true assume 0 == ~wl_st~0; 101#L674-1true [2019-11-20 03:15:29,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:29,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2019-11-20 03:15:29,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:29,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142726018] [2019-11-20 03:15:29,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:29,846 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 03:15:29,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142726018] [2019-11-20 03:15:29,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:29,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:29,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024926762] [2019-11-20 03:15:29,853 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:29,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:29,854 INFO L82 PathProgramCache]: Analyzing trace with hash 476885301, now seen corresponding path program 1 times [2019-11-20 03:15:29,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:29,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236454868] [2019-11-20 03:15:29,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:15:29,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236454868] [2019-11-20 03:15:29,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:29,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:15:29,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982460238] [2019-11-20 03:15:29,866 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:29,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:29,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:15:29,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:15:29,884 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2019-11-20 03:15:29,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:29,898 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2019-11-20 03:15:29,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:15:29,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 127 states and 221 transitions. [2019-11-20 03:15:29,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:29,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 127 states to 121 states and 215 transitions. [2019-11-20 03:15:29,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2019-11-20 03:15:29,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2019-11-20 03:15:29,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 215 transitions. [2019-11-20 03:15:29,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:15:29,915 INFO L688 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2019-11-20 03:15:29,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 215 transitions. [2019-11-20 03:15:29,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-20 03:15:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-20 03:15:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 215 transitions. [2019-11-20 03:15:29,950 INFO L711 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2019-11-20 03:15:29,950 INFO L591 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2019-11-20 03:15:29,950 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:15:29,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 215 transitions. [2019-11-20 03:15:29,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:29,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:29,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:29,955 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] [2019-11-20 03:15:29,955 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] [2019-11-20 03:15:29,955 INFO L794 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 292#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 293#L406 assume !(1 == ~c_req_up~0); 294#L406-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 295#L417-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 318#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 341#L427-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 363#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 376#L437-1 assume !(0 == ~e_f~0); 263#L442-1 assume !(0 == ~e_g~0); 264#L447-1 assume !(0 == ~e_e~0); 321#L452-1 assume !(0 == ~e_c~0); 346#L457-1 assume !(0 == ~e_wl~0); 366#L462-1 assume !(1 == ~wl_pc~0); 360#L474 assume !(2 == ~wl_pc~0); 303#L475 assume !(1 == ~c1_pc~0); 299#L485 assume !(1 == ~c2_pc~0); 308#L494 assume !(1 == ~wb_pc~0); 309#L503 assume !(1 == ~e_c~0); 373#L512-1 assume !(1 == ~e_e~0); 374#L517-1 assume !(1 == ~e_f~0); 377#L522-1 assume !(1 == ~e_g~0); 311#L527-1 assume !(1 == ~e_c~0); 312#L532-1 assume !(1 == ~e_wl~0); 267#L674-1 [2019-11-20 03:15:29,956 INFO L796 eck$LassoCheckResult]: Loop: 267#L674-1 assume !false; 281#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 282#L379 assume !false; 372#L297 assume !(0 == ~wl_st~0); 340#L301 assume !(0 == ~c1_st~0); 331#L304 assume !(0 == ~c2_st~0); 297#L307 assume !(0 == ~wb_st~0); 278#L310 assume !(0 == ~r_st~0); 280#L395 start_simulation_~kernel_st~0 := 2; 317#L550 assume !(1 == ~c_req_up~0); 359#L550-2 start_simulation_~kernel_st~0 := 3; 353#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 354#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 357#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 371#L572-1 assume !(0 == ~e_c~0); 283#L577-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 284#L582-1 assume 1 == ~wl_pc~0; 275#L588 assume 1 == ~e_wl~0;~wl_st~0 := 0; 276#L595 assume !(1 == ~c1_pc~0); 352#L605 assume !(1 == ~c2_pc~0); 327#L614 assume !(1 == ~wb_pc~0); 344#L623 assume 1 == ~e_c~0;~r_st~0 := 0; 270#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 271#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 328#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 350#L647-1 assume !(1 == ~e_c~0); 368#L652-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 380#L657-1 assume 0 == ~wl_st~0; 267#L674-1 [2019-11-20 03:15:29,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:29,956 INFO L82 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2019-11-20 03:15:29,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:29,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22475289] [2019-11-20 03:15:29,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:29,992 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 03:15:29,992 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22475289] [2019-11-20 03:15:29,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:29,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:29,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387615161] [2019-11-20 03:15:29,993 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:29,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:29,994 INFO L82 PathProgramCache]: Analyzing trace with hash 243708147, now seen corresponding path program 1 times [2019-11-20 03:15:29,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:29,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970954365] [2019-11-20 03:15:29,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:15:30,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970954365] [2019-11-20 03:15:30,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:30,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542026293] [2019-11-20 03:15:30,028 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:30,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:30,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:30,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:30,028 INFO L87 Difference]: Start difference. First operand 121 states and 215 transitions. cyclomatic complexity: 95 Second operand 3 states. [2019-11-20 03:15:30,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:30,046 INFO L93 Difference]: Finished difference Result 121 states and 214 transitions. [2019-11-20 03:15:30,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:30,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 214 transitions. [2019-11-20 03:15:30,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:30,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 214 transitions. [2019-11-20 03:15:30,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2019-11-20 03:15:30,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2019-11-20 03:15:30,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 214 transitions. [2019-11-20 03:15:30,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:15:30,055 INFO L688 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2019-11-20 03:15:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 214 transitions. [2019-11-20 03:15:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-20 03:15:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-20 03:15:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 214 transitions. [2019-11-20 03:15:30,066 INFO L711 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2019-11-20 03:15:30,067 INFO L591 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2019-11-20 03:15:30,067 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:15:30,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 214 transitions. [2019-11-20 03:15:30,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:30,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:30,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:30,070 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] [2019-11-20 03:15:30,070 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] [2019-11-20 03:15:30,070 INFO L794 eck$LassoCheckResult]: Stem: 624#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 541#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 542#L406 assume !(1 == ~c_req_up~0); 543#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 544#L417-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 567#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 590#L427-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 612#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 625#L437-1 assume !(0 == ~e_f~0); 512#L442-1 assume !(0 == ~e_g~0); 513#L447-1 assume !(0 == ~e_e~0); 570#L452-1 assume !(0 == ~e_c~0); 595#L457-1 assume !(0 == ~e_wl~0); 615#L462-1 assume !(1 == ~wl_pc~0); 609#L474 assume !(2 == ~wl_pc~0); 552#L475 assume !(1 == ~c1_pc~0); 548#L485 assume !(1 == ~c2_pc~0); 557#L494 assume !(1 == ~wb_pc~0); 558#L503 assume !(1 == ~e_c~0); 622#L512-1 assume !(1 == ~e_e~0); 623#L517-1 assume !(1 == ~e_f~0); 626#L522-1 assume !(1 == ~e_g~0); 560#L527-1 assume !(1 == ~e_c~0); 561#L532-1 assume !(1 == ~e_wl~0); 516#L674-1 [2019-11-20 03:15:30,071 INFO L796 eck$LassoCheckResult]: Loop: 516#L674-1 assume !false; 530#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 531#L379 assume !false; 621#L297 assume !(0 == ~wl_st~0); 589#L301 assume !(0 == ~c1_st~0); 580#L304 assume !(0 == ~c2_st~0); 546#L307 assume !(0 == ~wb_st~0); 527#L310 assume !(0 == ~r_st~0); 529#L395 start_simulation_~kernel_st~0 := 2; 566#L550 assume !(1 == ~c_req_up~0); 608#L550-2 start_simulation_~kernel_st~0 := 3; 602#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 603#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 606#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 620#L572-1 assume !(0 == ~e_c~0); 532#L577-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 533#L582-1 assume 1 == ~wl_pc~0; 524#L588 assume 1 == ~e_wl~0;~wl_st~0 := 0; 525#L595 assume !(1 == ~c1_pc~0); 601#L605 assume !(1 == ~c2_pc~0); 576#L614 assume !(1 == ~wb_pc~0); 593#L623 assume 1 == ~e_c~0;~r_st~0 := 0; 519#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 520#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 577#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 599#L647-1 assume !(1 == ~e_c~0); 617#L652-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 629#L657-1 assume 0 == ~wl_st~0; 516#L674-1 [2019-11-20 03:15:30,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2019-11-20 03:15:30,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233240453] [2019-11-20 03:15:30,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,120 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 03:15:30,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233240453] [2019-11-20 03:15:30,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:30,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428569366] [2019-11-20 03:15:30,121 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:30,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,122 INFO L82 PathProgramCache]: Analyzing trace with hash 243708147, now seen corresponding path program 2 times [2019-11-20 03:15:30,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348932346] [2019-11-20 03:15:30,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:15:30,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348932346] [2019-11-20 03:15:30,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:30,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110907258] [2019-11-20 03:15:30,145 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:30,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:30,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:30,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:30,146 INFO L87 Difference]: Start difference. First operand 121 states and 214 transitions. cyclomatic complexity: 94 Second operand 3 states. [2019-11-20 03:15:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:30,160 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2019-11-20 03:15:30,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:30,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 213 transitions. [2019-11-20 03:15:30,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:30,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 213 transitions. [2019-11-20 03:15:30,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2019-11-20 03:15:30,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2019-11-20 03:15:30,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 213 transitions. [2019-11-20 03:15:30,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:15:30,166 INFO L688 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2019-11-20 03:15:30,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 213 transitions. [2019-11-20 03:15:30,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-20 03:15:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-20 03:15:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 213 transitions. [2019-11-20 03:15:30,173 INFO L711 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2019-11-20 03:15:30,173 INFO L591 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2019-11-20 03:15:30,174 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 03:15:30,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 213 transitions. [2019-11-20 03:15:30,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:30,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:30,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:30,176 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] [2019-11-20 03:15:30,176 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] [2019-11-20 03:15:30,177 INFO L794 eck$LassoCheckResult]: Stem: 873#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 790#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 791#L406 assume !(1 == ~c_req_up~0); 792#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 793#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 816#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 839#L427-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 861#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 874#L437-1 assume !(0 == ~e_f~0); 761#L442-1 assume !(0 == ~e_g~0); 762#L447-1 assume !(0 == ~e_e~0); 819#L452-1 assume !(0 == ~e_c~0); 844#L457-1 assume !(0 == ~e_wl~0); 864#L462-1 assume !(1 == ~wl_pc~0); 858#L474 assume !(2 == ~wl_pc~0); 801#L475 assume !(1 == ~c1_pc~0); 797#L485 assume !(1 == ~c2_pc~0); 806#L494 assume !(1 == ~wb_pc~0); 807#L503 assume !(1 == ~e_c~0); 871#L512-1 assume !(1 == ~e_e~0); 872#L517-1 assume !(1 == ~e_f~0); 875#L522-1 assume !(1 == ~e_g~0); 809#L527-1 assume !(1 == ~e_c~0); 810#L532-1 assume !(1 == ~e_wl~0); 765#L674-1 [2019-11-20 03:15:30,177 INFO L796 eck$LassoCheckResult]: Loop: 765#L674-1 assume !false; 779#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 780#L379 assume !false; 870#L297 assume !(0 == ~wl_st~0); 838#L301 assume !(0 == ~c1_st~0); 829#L304 assume !(0 == ~c2_st~0); 795#L307 assume !(0 == ~wb_st~0); 776#L310 assume !(0 == ~r_st~0); 778#L395 start_simulation_~kernel_st~0 := 2; 815#L550 assume !(1 == ~c_req_up~0); 857#L550-2 start_simulation_~kernel_st~0 := 3; 851#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 852#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 855#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 869#L572-1 assume !(0 == ~e_c~0); 781#L577-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 782#L582-1 assume 1 == ~wl_pc~0; 773#L588 assume 1 == ~e_wl~0;~wl_st~0 := 0; 774#L595 assume !(1 == ~c1_pc~0); 850#L605 assume !(1 == ~c2_pc~0); 825#L614 assume !(1 == ~wb_pc~0); 842#L623 assume 1 == ~e_c~0;~r_st~0 := 0; 768#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 769#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 826#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 848#L647-1 assume !(1 == ~e_c~0); 866#L652-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 878#L657-1 assume 0 == ~wl_st~0; 765#L674-1 [2019-11-20 03:15:30,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2019-11-20 03:15:30,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,178 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127294313] [2019-11-20 03:15:30,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,205 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 03:15:30,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127294313] [2019-11-20 03:15:30,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:30,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857363925] [2019-11-20 03:15:30,206 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,207 INFO L82 PathProgramCache]: Analyzing trace with hash 243708147, now seen corresponding path program 3 times [2019-11-20 03:15:30,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094020631] [2019-11-20 03:15:30,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:15:30,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094020631] [2019-11-20 03:15:30,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:30,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619018235] [2019-11-20 03:15:30,227 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:30,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:30,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:30,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:30,228 INFO L87 Difference]: Start difference. First operand 121 states and 213 transitions. cyclomatic complexity: 93 Second operand 3 states. [2019-11-20 03:15:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:30,237 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2019-11-20 03:15:30,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:30,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 212 transitions. [2019-11-20 03:15:30,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:30,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 212 transitions. [2019-11-20 03:15:30,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2019-11-20 03:15:30,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2019-11-20 03:15:30,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 212 transitions. [2019-11-20 03:15:30,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:15:30,242 INFO L688 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2019-11-20 03:15:30,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 212 transitions. [2019-11-20 03:15:30,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-20 03:15:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-20 03:15:30,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 212 transitions. [2019-11-20 03:15:30,249 INFO L711 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2019-11-20 03:15:30,249 INFO L591 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2019-11-20 03:15:30,249 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 03:15:30,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 212 transitions. [2019-11-20 03:15:30,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2019-11-20 03:15:30,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:30,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:30,252 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] [2019-11-20 03:15:30,252 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] [2019-11-20 03:15:30,252 INFO L794 eck$LassoCheckResult]: Stem: 1122#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1039#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1040#L406 assume !(1 == ~c_req_up~0); 1041#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1042#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1065#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1088#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1110#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1123#L437-1 assume !(0 == ~e_f~0); 1010#L442-1 assume !(0 == ~e_g~0); 1011#L447-1 assume !(0 == ~e_e~0); 1068#L452-1 assume !(0 == ~e_c~0); 1093#L457-1 assume !(0 == ~e_wl~0); 1113#L462-1 assume !(1 == ~wl_pc~0); 1107#L474 assume !(2 == ~wl_pc~0); 1050#L475 assume !(1 == ~c1_pc~0); 1046#L485 assume !(1 == ~c2_pc~0); 1055#L494 assume !(1 == ~wb_pc~0); 1056#L503 assume !(1 == ~e_c~0); 1120#L512-1 assume !(1 == ~e_e~0); 1121#L517-1 assume !(1 == ~e_f~0); 1124#L522-1 assume !(1 == ~e_g~0); 1058#L527-1 assume !(1 == ~e_c~0); 1059#L532-1 assume !(1 == ~e_wl~0); 1014#L674-1 [2019-11-20 03:15:30,253 INFO L796 eck$LassoCheckResult]: Loop: 1014#L674-1 assume !false; 1028#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1029#L379 assume !false; 1119#L297 assume !(0 == ~wl_st~0); 1087#L301 assume !(0 == ~c1_st~0); 1078#L304 assume !(0 == ~c2_st~0); 1044#L307 assume !(0 == ~wb_st~0); 1025#L310 assume !(0 == ~r_st~0); 1027#L395 start_simulation_~kernel_st~0 := 2; 1064#L550 assume !(1 == ~c_req_up~0); 1106#L550-2 start_simulation_~kernel_st~0 := 3; 1100#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 1101#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1104#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1118#L572-1 assume !(0 == ~e_c~0); 1030#L577-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1031#L582-1 assume !(1 == ~wl_pc~0); 1024#L594 assume !(2 == ~wl_pc~0); 1023#L595 assume !(1 == ~c1_pc~0); 1099#L605 assume !(1 == ~c2_pc~0); 1074#L614 assume !(1 == ~wb_pc~0); 1091#L623 assume 1 == ~e_c~0;~r_st~0 := 0; 1017#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1018#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1075#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1097#L647-1 assume !(1 == ~e_c~0); 1115#L652-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1127#L657-1 assume 0 == ~wl_st~0; 1014#L674-1 [2019-11-20 03:15:30,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,253 INFO L82 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2019-11-20 03:15:30,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991395315] [2019-11-20 03:15:30,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:30,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:30,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,305 INFO L82 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 1 times [2019-11-20 03:15:30,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361728245] [2019-11-20 03:15:30,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,322 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 03:15:30,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361728245] [2019-11-20 03:15:30,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:30,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130577688] [2019-11-20 03:15:30,324 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:30,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:30,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:30,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:30,324 INFO L87 Difference]: Start difference. First operand 121 states and 212 transitions. cyclomatic complexity: 92 Second operand 3 states. [2019-11-20 03:15:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:30,369 INFO L93 Difference]: Finished difference Result 153 states and 272 transitions. [2019-11-20 03:15:30,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:30,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 272 transitions. [2019-11-20 03:15:30,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2019-11-20 03:15:30,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 272 transitions. [2019-11-20 03:15:30,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2019-11-20 03:15:30,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2019-11-20 03:15:30,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 272 transitions. [2019-11-20 03:15:30,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:15:30,379 INFO L688 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2019-11-20 03:15:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 272 transitions. [2019-11-20 03:15:30,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-11-20 03:15:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-20 03:15:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 272 transitions. [2019-11-20 03:15:30,399 INFO L711 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2019-11-20 03:15:30,399 INFO L591 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2019-11-20 03:15:30,399 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 03:15:30,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 272 transitions. [2019-11-20 03:15:30,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2019-11-20 03:15:30,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:30,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:30,401 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] [2019-11-20 03:15:30,402 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] [2019-11-20 03:15:30,402 INFO L794 eck$LassoCheckResult]: Stem: 1406#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1319#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1320#L406 assume !(1 == ~c_req_up~0); 1321#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1322#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1345#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1369#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1393#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1407#L437-1 assume !(0 == ~e_f~0); 1293#L442-1 assume !(0 == ~e_g~0); 1294#L447-1 assume !(0 == ~e_e~0); 1348#L452-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1375#L457-1 assume !(0 == ~e_wl~0); 1396#L462-1 assume !(1 == ~wl_pc~0); 1390#L474 assume !(2 == ~wl_pc~0); 1330#L475 assume !(1 == ~c1_pc~0); 1326#L485 assume !(1 == ~c2_pc~0); 1335#L494 assume !(1 == ~wb_pc~0); 1336#L503 assume 1 == ~e_c~0;~r_st~0 := 0; 1416#L512-1 assume !(1 == ~e_e~0); 1408#L517-1 assume !(1 == ~e_f~0); 1409#L522-1 assume !(1 == ~e_g~0); 1338#L527-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1339#L532-1 assume !(1 == ~e_wl~0); 1292#L674-1 [2019-11-20 03:15:30,402 INFO L796 eck$LassoCheckResult]: Loop: 1292#L674-1 assume !false; 1308#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1309#L379 assume !false; 1403#L297 assume !(0 == ~wl_st~0); 1368#L301 assume !(0 == ~c1_st~0); 1359#L304 assume !(0 == ~c2_st~0); 1324#L307 assume !(0 == ~wb_st~0); 1305#L310 assume !(0 == ~r_st~0); 1307#L395 start_simulation_~kernel_st~0 := 2; 1344#L550 assume !(1 == ~c_req_up~0); 1389#L550-2 start_simulation_~kernel_st~0 := 3; 1383#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 1384#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1387#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1402#L572-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1415#L577-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1442#L582-1 assume 1 == ~wl_pc~0; 1440#L588 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1438#L595 assume !(1 == ~c1_pc~0); 1436#L605 assume !(1 == ~c2_pc~0); 1398#L614 assume !(1 == ~wb_pc~0); 1372#L623 assume 1 == ~e_c~0;~r_st~0 := 0; 1373#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1355#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1356#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1378#L647-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1397#L652-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1412#L657-1 assume 0 == ~wl_st~0; 1292#L674-1 [2019-11-20 03:15:30,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,402 INFO L82 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2019-11-20 03:15:30,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346321130] [2019-11-20 03:15:30,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:30,461 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 03:15:30,461 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346321130] [2019-11-20 03:15:30,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:30,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:15:30,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646094583] [2019-11-20 03:15:30,462 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:30,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1254823475, now seen corresponding path program 1 times [2019-11-20 03:15:30,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:30,463 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131973160] [2019-11-20 03:15:30,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:30,497 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:30,611 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-11-20 03:15:30,708 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:15:30,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:15:30,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:15:30,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:15:30,709 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:15:30,709 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:30,709 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:15:30,709 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:15:30,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2019-11-20 03:15:30,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:15:30,710 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:15:30,733 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 03:15:30,742 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 03:15:30,749 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 03:15:30,752 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 03:15:30,755 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 03:15:30,760 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 03:15:30,767 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 03:15:30,771 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 03:15:30,775 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 03:15:30,777 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 03:15:30,780 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 03:15:30,786 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 03:15:30,788 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 03:15:30,790 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 03:15:30,793 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 03:15:30,798 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 03:15:30,807 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 03:15:30,812 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 03:15:30,814 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 03:15:30,817 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 03:15:30,827 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 03:15:30,830 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 03:15:30,833 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 03:15:30,835 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 03:15:30,841 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 03:15:30,844 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 03:15:31,136 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:15:31,138 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:31,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:31,154 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 03:15:31,164 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:31,165 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=7} Honda state: {~c2_st~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:31,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:31,181 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_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:31,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:15:31,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:15:31,218 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:15:31,220 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:15:31,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:15:31,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:15:31,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:15:31,221 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:15:31,221 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:31,221 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:15:31,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:15:31,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2019-11-20 03:15:31,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:15:31,221 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:15:31,225 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 03:15:31,235 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 03:15:31,240 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 03:15:31,256 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 03:15:31,261 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 03:15:31,264 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 03:15:31,270 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 03:15:31,272 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 03:15:31,276 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 03:15:31,278 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 03:15:31,284 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 03:15:31,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:31,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:31,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:31,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:31,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:31,307 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 03:15:31,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:31,316 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 03:15:31,319 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 03:15:31,325 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 03:15:31,327 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 03:15:31,330 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 03:15:31,333 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 03:15:31,339 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 03:15:31,341 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 03:15:31,636 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:15:31,641 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:31,646 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 03:15:31,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:31,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:31,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:31,649 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:15:31,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:31,652 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:15:31,653 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 03:15:31,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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) [2019-11-20 03:15:31,670 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 03:15:31,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:31,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:31,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:31,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:31,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:31,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:31,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:31,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:15:31,687 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 03:15:31,688 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_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:31,727 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:15:31,727 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:15:31,727 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:15:31,728 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:31,732 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 03:15:31,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:31,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:15:31,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:15:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:31,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:15:31,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:15:31,896 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 03:15:31,899 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 03:15:31,900 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 153 states and 272 transitions. cyclomatic complexity: 120 Second operand 5 states. [2019-11-20 03:15:32,017 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 153 states and 272 transitions. cyclomatic complexity: 120. Second operand 5 states. Result 474 states and 835 transitions. Complement of second has 5 states. [2019-11-20 03:15:32,019 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 03:15:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 03:15:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2019-11-20 03:15:32,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 28 letters. [2019-11-20 03:15:32,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:32,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 52 letters. Loop has 28 letters. [2019-11-20 03:15:32,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:32,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 56 letters. [2019-11-20 03:15:32,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:32,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 474 states and 835 transitions. [2019-11-20 03:15:32,039 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 302 [2019-11-20 03:15:32,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 474 states to 459 states and 805 transitions. [2019-11-20 03:15:32,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2019-11-20 03:15:32,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2019-11-20 03:15:32,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 459 states and 805 transitions. [2019-11-20 03:15:32,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:32,050 INFO L688 BuchiCegarLoop]: Abstraction has 459 states and 805 transitions. [2019-11-20 03:15:32,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states and 805 transitions. [2019-11-20 03:15:32,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 351. [2019-11-20 03:15:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-11-20 03:15:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 616 transitions. [2019-11-20 03:15:32,078 INFO L711 BuchiCegarLoop]: Abstraction has 351 states and 616 transitions. [2019-11-20 03:15:32,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:32,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:15:32,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:15:32,078 INFO L87 Difference]: Start difference. First operand 351 states and 616 transitions. Second operand 4 states. [2019-11-20 03:15:32,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:32,200 INFO L93 Difference]: Finished difference Result 640 states and 1104 transitions. [2019-11-20 03:15:32,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:15:32,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 640 states and 1104 transitions. [2019-11-20 03:15:32,206 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2019-11-20 03:15:32,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 640 states to 640 states and 1104 transitions. [2019-11-20 03:15:32,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2019-11-20 03:15:32,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2019-11-20 03:15:32,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 640 states and 1104 transitions. [2019-11-20 03:15:32,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:32,216 INFO L688 BuchiCegarLoop]: Abstraction has 640 states and 1104 transitions. [2019-11-20 03:15:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states and 1104 transitions. [2019-11-20 03:15:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 610. [2019-11-20 03:15:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-11-20 03:15:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 1062 transitions. [2019-11-20 03:15:32,238 INFO L711 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2019-11-20 03:15:32,239 INFO L591 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2019-11-20 03:15:32,239 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 03:15:32,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 610 states and 1062 transitions. [2019-11-20 03:15:32,242 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2019-11-20 03:15:32,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:32,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:32,246 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] [2019-11-20 03:15:32,247 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] [2019-11-20 03:15:32,247 INFO L794 eck$LassoCheckResult]: Stem: 3323#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 3145#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 3146#L406 assume !(1 == ~c_req_up~0); 3147#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3148#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3189#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3379#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3324#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3325#L437-1 assume !(0 == ~e_f~0); 3088#L442-1 assume !(0 == ~e_g~0); 3089#L447-1 assume !(0 == ~e_e~0); 3194#L452-1 assume !(0 == ~e_c~0); 3255#L457-1 assume !(0 == ~e_wl~0); 3373#L462-1 assume !(1 == ~wl_pc~0); 3371#L474 assume !(2 == ~wl_pc~0); 3370#L475 assume !(1 == ~c1_pc~0); 3411#L485 assume !(1 == ~c2_pc~0); 3409#L494 assume !(1 == ~wb_pc~0); 3407#L503 assume 1 == ~e_c~0;~r_st~0 := 0; 3321#L512-1 assume !(1 == ~e_e~0); 3322#L517-1 assume !(1 == ~e_f~0); 3326#L522-1 assume !(1 == ~e_g~0); 3176#L527-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3177#L532-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3092#L674-1 [2019-11-20 03:15:32,247 INFO L796 eck$LassoCheckResult]: Loop: 3092#L674-1 assume !false; 3336#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 3646#L379 assume !false; 3645#L297 assume !(0 == ~wl_st~0); 3644#L301 assume !(0 == ~c1_st~0); 3214#L304 assume !(0 == ~c2_st~0); 3151#L307 assume !(0 == ~wb_st~0); 3153#L310 assume !(0 == ~r_st~0); 3639#L395 start_simulation_~kernel_st~0 := 2; 3637#L550 assume !(1 == ~c_req_up~0); 3327#L550-2 start_simulation_~kernel_st~0 := 3; 3328#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 3283#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 3284#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3315#L572-1 assume !(0 == ~e_c~0); 3492#L577-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 3491#L582-1 assume 1 == ~wl_pc~0; 3489#L588 assume 1 == ~e_wl~0;~wl_st~0 := 0; 3488#L595 assume !(1 == ~c1_pc~0); 3481#L605 assume !(1 == ~c2_pc~0); 3475#L614 assume !(1 == ~wb_pc~0); 3471#L623 assume !(1 == ~e_c~0); 3468#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3465#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3462#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 3459#L647-1 assume !(1 == ~e_c~0); 3306#L652-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3356#L657-1 assume 0 == ~wl_st~0; 3092#L674-1 [2019-11-20 03:15:32,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:32,249 INFO L82 PathProgramCache]: Analyzing trace with hash 198346713, now seen corresponding path program 1 times [2019-11-20 03:15:32,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:32,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114382600] [2019-11-20 03:15:32,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:32,338 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 03:15:32,338 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114382600] [2019-11-20 03:15:32,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:32,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:32,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627791502] [2019-11-20 03:15:32,339 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:32,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:32,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2018715509, now seen corresponding path program 1 times [2019-11-20 03:15:32,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:32,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21185988] [2019-11-20 03:15:32,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:32,351 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:32,485 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:15:32,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:15:32,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:15:32,486 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:15:32,486 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:15:32,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:15:32,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:15:32,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2019-11-20 03:15:32,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:15:32,486 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:15:32,488 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 03:15:32,491 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 03:15:32,496 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 03:15:32,498 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 03:15:32,501 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 03:15:32,504 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 03:15:32,506 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 03:15:32,511 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 03:15:32,516 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 03:15:32,519 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 03:15:32,524 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 03:15:32,526 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 03:15:32,533 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 03:15:32,535 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 03:15:32,540 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 03:15:32,542 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 03:15:32,544 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 03:15:32,546 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 03:15:32,548 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 03:15:32,550 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 03:15:32,551 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 03:15:32,553 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 03:15:32,554 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 03:15:32,556 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 03:15:32,557 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 03:15:32,559 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 03:15:32,807 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:15:32,807 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,817 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,822 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:32,822 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=7} Honda state: {~c2_st~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,841 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,847 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:32,847 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-1} Honda state: {~e_c~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,862 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,868 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:32,868 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,884 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,888 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:32,888 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,906 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,912 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:32,912 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=-5} Honda state: {~c1_st~0=-5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,931 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:32,936 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=7} Honda state: {~wb_st~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:32,957 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:32,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:15:32,976 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,982 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:15:32,984 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:15:32,985 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:15:32,985 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:15:32,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:15:32,985 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:15:32,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:32,985 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:15:32,985 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:15:32,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2019-11-20 03:15:32,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:15:32,985 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:15:32,987 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 03:15:32,992 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 03:15:32,995 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 03:15:33,001 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 03:15:33,003 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 03:15:33,006 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 03:15:33,009 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 03:15:33,011 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 03:15:33,017 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 03:15:33,019 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 03:15:33,024 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 03:15:33,027 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 03:15:33,032 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 03:15:33,040 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 03:15:33,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:33,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:33,052 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 03:15:33,055 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 03:15:33,059 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 03:15:33,061 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 03:15:33,063 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 03:15:33,065 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 03:15:33,067 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 03:15:33,069 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 03:15:33,071 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 03:15:33,073 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 03:15:33,323 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:15:33,323 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,333 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 03:15:33,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:33,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:33,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,358 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 03:15:33,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,360 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:15:33,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,361 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:15:33,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,368 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,377 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 03:15:33,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,379 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:15:33,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,381 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:15:33,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,397 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 03:15:33,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:33,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:33,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:33,421 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 03:15:33,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,423 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:15:33,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,425 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:15:33,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,441 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 03:15:33,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,443 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:15:33,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,444 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:15:33,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,464 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 03:15:33,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:33,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:33,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:33,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/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 03:15:33,475 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 03:15:33,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:33,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:33,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:33,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:33,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:33,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:33,481 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:15:33,485 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 03:15:33,485 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_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:15:33,489 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:15:33,489 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:15:33,489 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:15:33,489 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_f~0) = -1*~e_f~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:33,497 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 03:15:33,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:33,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:15:33,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:15:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:33,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:15:33,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:15:33,587 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 03:15:33,587 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 03:15:33,587 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 610 states and 1062 transitions. cyclomatic complexity: 458 Second operand 5 states. [2019-11-20 03:15:33,650 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 610 states and 1062 transitions. cyclomatic complexity: 458. Second operand 5 states. Result 1027 states and 1790 transitions. Complement of second has 5 states. [2019-11-20 03:15:33,651 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 03:15:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 03:15:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2019-11-20 03:15:33,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 28 letters. [2019-11-20 03:15:33,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:33,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 52 letters. Loop has 28 letters. [2019-11-20 03:15:33,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:33,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 56 letters. [2019-11-20 03:15:33,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:33,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1027 states and 1790 transitions. [2019-11-20 03:15:33,665 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 573 [2019-11-20 03:15:33,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1027 states to 1021 states and 1780 transitions. [2019-11-20 03:15:33,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 657 [2019-11-20 03:15:33,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 663 [2019-11-20 03:15:33,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1021 states and 1780 transitions. [2019-11-20 03:15:33,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:33,677 INFO L688 BuchiCegarLoop]: Abstraction has 1021 states and 1780 transitions. [2019-11-20 03:15:33,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states and 1780 transitions. [2019-11-20 03:15:33,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 818. [2019-11-20 03:15:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2019-11-20 03:15:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1432 transitions. [2019-11-20 03:15:33,696 INFO L711 BuchiCegarLoop]: Abstraction has 818 states and 1432 transitions. [2019-11-20 03:15:33,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:33,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:33,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:33,697 INFO L87 Difference]: Start difference. First operand 818 states and 1432 transitions. Second operand 3 states. [2019-11-20 03:15:33,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:33,776 INFO L93 Difference]: Finished difference Result 1080 states and 1855 transitions. [2019-11-20 03:15:33,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:33,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1080 states and 1855 transitions. [2019-11-20 03:15:33,786 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 546 [2019-11-20 03:15:33,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1080 states to 1080 states and 1855 transitions. [2019-11-20 03:15:33,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 632 [2019-11-20 03:15:33,796 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 632 [2019-11-20 03:15:33,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1080 states and 1855 transitions. [2019-11-20 03:15:33,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:33,797 INFO L688 BuchiCegarLoop]: Abstraction has 1080 states and 1855 transitions. [2019-11-20 03:15:33,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states and 1855 transitions. [2019-11-20 03:15:33,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1076. [2019-11-20 03:15:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2019-11-20 03:15:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1851 transitions. [2019-11-20 03:15:33,821 INFO L711 BuchiCegarLoop]: Abstraction has 1076 states and 1851 transitions. [2019-11-20 03:15:33,821 INFO L591 BuchiCegarLoop]: Abstraction has 1076 states and 1851 transitions. [2019-11-20 03:15:33,821 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 03:15:33,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1076 states and 1851 transitions. [2019-11-20 03:15:33,827 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 546 [2019-11-20 03:15:33,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:33,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:33,829 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] [2019-11-20 03:15:33,829 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] [2019-11-20 03:15:33,830 INFO L794 eck$LassoCheckResult]: Stem: 7037#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6857#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 6858#L406 assume !(1 == ~c_req_up~0); 6859#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6860#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6948#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6949#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 7002#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 7061#L437-1 assume !(0 == ~e_f~0); 7062#L442-1 assume !(0 == ~e_g~0); 6900#L447-1 assume !(0 == ~e_e~0); 6901#L452-1 assume !(0 == ~e_c~0); 7007#L457-1 assume !(0 == ~e_wl~0); 7008#L462-1 assume !(1 == ~wl_pc~0); 6995#L474 assume !(2 == ~wl_pc~0); 6996#L475 assume !(1 == ~c1_pc~0); 7097#L485 assume !(1 == ~c2_pc~0); 6880#L494 assume !(1 == ~wb_pc~0); 6881#L503 assume !(1 == ~e_c~0); 7035#L512-1 assume !(1 == ~e_e~0); 7036#L517-1 assume 1 == ~e_f~0;~e_f~0 := 2; 7105#L522-1 assume !(1 == ~e_g~0); 6883#L527-1 assume !(1 == ~e_c~0); 6884#L532-1 assume !(1 == ~e_wl~0); 7409#L674-1 assume !false; 7410#L544 [2019-11-20 03:15:33,830 INFO L796 eck$LassoCheckResult]: Loop: 7410#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 7511#L379 assume !false; 7512#L297 assume !(0 == ~wl_st~0); 7507#L301 assume !(0 == ~c1_st~0); 7508#L304 assume !(0 == ~c2_st~0); 7500#L307 assume !(0 == ~wb_st~0); 7501#L310 assume !(0 == ~r_st~0); 7573#L395 start_simulation_~kernel_st~0 := 2; 7568#L550 assume !(1 == ~c_req_up~0); 7565#L550-2 start_simulation_~kernel_st~0 := 3; 7562#L562 assume 0 == ~e_f~0;~e_f~0 := 1; 7560#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 7561#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 7556#L572-1 assume !(0 == ~e_c~0); 7557#L577-1 assume !(0 == ~e_wl~0); 7551#L582-1 assume !(1 == ~wl_pc~0); 7552#L594 assume !(2 == ~wl_pc~0); 7547#L595 assume !(1 == ~c1_pc~0); 7546#L605 assume !(1 == ~c2_pc~0); 7539#L614 assume !(1 == ~wb_pc~0); 7540#L623 assume !(1 == ~e_c~0); 7535#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7536#L637-1 assume 1 == ~e_f~0;~e_f~0 := 2; 7528#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 7529#L647-1 assume !(1 == ~e_c~0); 7524#L652-1 assume !(1 == ~e_wl~0); 7525#L657-1 assume 0 == ~wl_st~0; 7514#L674-1 assume !false; 7410#L544 [2019-11-20 03:15:33,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:33,830 INFO L82 PathProgramCache]: Analyzing trace with hash -668024006, now seen corresponding path program 1 times [2019-11-20 03:15:33,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:33,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766307417] [2019-11-20 03:15:33,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:33,873 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 03:15:33,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766307417] [2019-11-20 03:15:33,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:33,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 03:15:33,874 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913391145] [2019-11-20 03:15:33,874 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1837628252, now seen corresponding path program 1 times [2019-11-20 03:15:33,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:33,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859358192] [2019-11-20 03:15:33,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:33,894 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 03:15:33,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859358192] [2019-11-20 03:15:33,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:33,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:33,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028957271] [2019-11-20 03:15:33,895 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:33,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:33,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 03:15:33,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 03:15:33,896 INFO L87 Difference]: Start difference. First operand 1076 states and 1851 transitions. cyclomatic complexity: 786 Second operand 4 states. [2019-11-20 03:15:34,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:34,030 INFO L93 Difference]: Finished difference Result 1310 states and 2219 transitions. [2019-11-20 03:15:34,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 03:15:34,030 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1310 states and 2219 transitions. [2019-11-20 03:15:34,039 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 623 [2019-11-20 03:15:34,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1310 states to 1310 states and 2219 transitions. [2019-11-20 03:15:34,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 778 [2019-11-20 03:15:34,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 778 [2019-11-20 03:15:34,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1310 states and 2219 transitions. [2019-11-20 03:15:34,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:34,051 INFO L688 BuchiCegarLoop]: Abstraction has 1310 states and 2219 transitions. [2019-11-20 03:15:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states and 2219 transitions. [2019-11-20 03:15:34,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1271. [2019-11-20 03:15:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2019-11-20 03:15:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 2169 transitions. [2019-11-20 03:15:34,074 INFO L711 BuchiCegarLoop]: Abstraction has 1271 states and 2169 transitions. [2019-11-20 03:15:34,074 INFO L591 BuchiCegarLoop]: Abstraction has 1271 states and 2169 transitions. [2019-11-20 03:15:34,074 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 03:15:34,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1271 states and 2169 transitions. [2019-11-20 03:15:34,081 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 620 [2019-11-20 03:15:34,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:34,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:34,082 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] [2019-11-20 03:15:34,082 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] [2019-11-20 03:15:34,082 INFO L794 eck$LassoCheckResult]: Stem: 9429#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 9256#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 9257#L406 assume !(1 == ~c_req_up~0); 9291#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 9296#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 9297#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 9400#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 9401#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 9430#L437-1 assume !(0 == ~e_f~0); 9203#L442-1 assume !(0 == ~e_g~0); 9204#L447-1 assume !(0 == ~e_e~0); 9302#L452-1 assume !(0 == ~e_c~0); 9358#L457-1 assume !(0 == ~e_wl~0); 9518#L462-1 assume !(1 == ~wl_pc~0); 9509#L474 assume !(2 == ~wl_pc~0); 9503#L475 assume !(1 == ~c1_pc~0); 9493#L485 assume !(1 == ~c2_pc~0); 9485#L494 assume !(1 == ~wb_pc~0); 9478#L503 assume !(1 == ~e_c~0); 9473#L512-1 assume !(1 == ~e_e~0); 9468#L517-1 assume !(1 == ~e_f~0); 9465#L522-1 assume !(1 == ~e_g~0); 9282#L527-1 assume !(1 == ~e_c~0); 9283#L532-1 assume !(1 == ~e_wl~0); 9341#L674-1 assume !false; 9853#L544 [2019-11-20 03:15:34,082 INFO L796 eck$LassoCheckResult]: Loop: 9853#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 10286#L379 assume !false; 10282#L297 assume !(0 == ~wl_st~0); 10283#L301 assume !(0 == ~c1_st~0); 10285#L304 assume !(0 == ~c2_st~0); 10280#L307 assume !(0 == ~wb_st~0); 10281#L310 assume !(0 == ~r_st~0); 10284#L395 start_simulation_~kernel_st~0 := 2; 10398#L550 assume !(1 == ~c_req_up~0); 10399#L550-2 start_simulation_~kernel_st~0 := 3; 10425#L562 assume !(0 == ~e_f~0); 10424#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 10423#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 10422#L572-1 assume !(0 == ~e_c~0); 10421#L577-1 assume !(0 == ~e_wl~0); 10419#L582-1 assume !(1 == ~wl_pc~0); 10418#L594 assume !(2 == ~wl_pc~0); 10416#L595 assume !(1 == ~c1_pc~0); 10414#L605 assume !(1 == ~c2_pc~0); 10411#L614 assume !(1 == ~wb_pc~0); 10410#L623 assume !(1 == ~e_c~0); 10409#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 9315#L637-1 assume !(1 == ~e_f~0); 9316#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 9368#L647-1 assume !(1 == ~e_c~0); 9415#L652-1 assume !(1 == ~e_wl~0); 10318#L657-1 assume 0 == ~wl_st~0; 10297#L674-1 assume !false; 9853#L544 [2019-11-20 03:15:34,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:34,083 INFO L82 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 1 times [2019-11-20 03:15:34,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:34,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621286830] [2019-11-20 03:15:34,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:34,098 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:34,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:34,098 INFO L82 PathProgramCache]: Analyzing trace with hash 520452640, now seen corresponding path program 1 times [2019-11-20 03:15:34,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:34,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234400748] [2019-11-20 03:15:34,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:34,111 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 03:15:34,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234400748] [2019-11-20 03:15:34,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:34,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:34,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323931862] [2019-11-20 03:15:34,112 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 03:15:34,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:34,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:34,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:34,112 INFO L87 Difference]: Start difference. First operand 1271 states and 2169 transitions. cyclomatic complexity: 909 Second operand 3 states. [2019-11-20 03:15:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:34,145 INFO L93 Difference]: Finished difference Result 1965 states and 3310 transitions. [2019-11-20 03:15:34,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:34,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1965 states and 3310 transitions. [2019-11-20 03:15:34,159 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 990 [2019-11-20 03:15:34,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1965 states to 1965 states and 3310 transitions. [2019-11-20 03:15:34,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1131 [2019-11-20 03:15:34,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1131 [2019-11-20 03:15:34,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1965 states and 3310 transitions. [2019-11-20 03:15:34,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:34,176 INFO L688 BuchiCegarLoop]: Abstraction has 1965 states and 3310 transitions. [2019-11-20 03:15:34,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states and 3310 transitions. [2019-11-20 03:15:34,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1965. [2019-11-20 03:15:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2019-11-20 03:15:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3310 transitions. [2019-11-20 03:15:34,211 INFO L711 BuchiCegarLoop]: Abstraction has 1965 states and 3310 transitions. [2019-11-20 03:15:34,211 INFO L591 BuchiCegarLoop]: Abstraction has 1965 states and 3310 transitions. [2019-11-20 03:15:34,211 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-20 03:15:34,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1965 states and 3310 transitions. [2019-11-20 03:15:34,221 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 990 [2019-11-20 03:15:34,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:34,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:34,223 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] [2019-11-20 03:15:34,223 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] [2019-11-20 03:15:34,223 INFO L794 eck$LassoCheckResult]: Stem: 12681#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 12498#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 12499#L406 assume !(1 == ~c_req_up~0); 12534#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 12537#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 12538#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 12651#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 12652#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 12702#L437-1 assume !(0 == ~e_f~0); 12445#L442-1 assume !(0 == ~e_g~0); 12446#L447-1 assume !(0 == ~e_e~0); 12613#L452-1 assume !(0 == ~e_c~0); 12614#L457-1 assume !(0 == ~e_wl~0); 12657#L462-1 assume !(1 == ~wl_pc~0); 12646#L474 assume !(2 == ~wl_pc~0); 12512#L475 assume !(1 == ~c1_pc~0); 12505#L485 assume !(1 == ~c2_pc~0); 12521#L494 assume !(1 == ~wb_pc~0); 12522#L503 assume !(1 == ~e_c~0); 12712#L512-1 assume !(1 == ~e_e~0); 12729#L517-1 assume !(1 == ~e_f~0); 12715#L522-1 assume !(1 == ~e_g~0); 12524#L527-1 assume !(1 == ~e_c~0); 12525#L532-1 assume !(1 == ~e_wl~0); 12593#L674-1 assume !false; 13019#L544 [2019-11-20 03:15:34,223 INFO L796 eck$LassoCheckResult]: Loop: 13019#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 13534#L379 assume !false; 13582#L297 assume !(0 == ~wl_st~0); 13584#L301 assume !(0 == ~c1_st~0); 13648#L304 assume !(0 == ~c2_st~0); 13649#L307 assume !(0 == ~wb_st~0); 13643#L310 assume !(0 == ~r_st~0); 13645#L395 start_simulation_~kernel_st~0 := 2; 13779#L550 assume !(1 == ~c_req_up~0); 13777#L550-2 start_simulation_~kernel_st~0 := 3; 13774#L562 assume !(0 == ~e_f~0); 13772#L562-2 assume 0 == ~e_g~0;~e_g~0 := 1; 13769#L567-1 assume 0 == ~e_e~0;~e_e~0 := 1; 13766#L572-1 assume !(0 == ~e_c~0); 13764#L577-1 assume !(0 == ~e_wl~0); 13762#L582-1 assume !(1 == ~wl_pc~0); 13760#L594 assume 2 == ~wl_pc~0; 13758#L596 assume 1 == ~e_e~0;~wl_st~0 := 0; 13757#L595 assume !(1 == ~c1_pc~0); 13755#L605 assume !(1 == ~c2_pc~0); 13752#L614 assume !(1 == ~wb_pc~0); 13751#L623 assume !(1 == ~e_c~0); 13750#L632-1 assume 1 == ~e_e~0;~e_e~0 := 2; 13749#L637-1 assume !(1 == ~e_f~0); 13748#L642-1 assume 1 == ~e_g~0;~e_g~0 := 2; 13747#L647-1 assume !(1 == ~e_c~0); 13746#L652-1 assume !(1 == ~e_wl~0); 13744#L657-1 assume 0 == ~wl_st~0; 13743#L674-1 assume !false; 13019#L544 [2019-11-20 03:15:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:34,224 INFO L82 PathProgramCache]: Analyzing trace with hash -666176964, now seen corresponding path program 2 times [2019-11-20 03:15:34,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:34,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544521415] [2019-11-20 03:15:34,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:34,238 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:34,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:34,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1794894215, now seen corresponding path program 1 times [2019-11-20 03:15:34,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:34,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077995178] [2019-11-20 03:15:34,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:34,252 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:34,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1157500386, now seen corresponding path program 1 times [2019-11-20 03:15:34,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:34,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967864628] [2019-11-20 03:15:34,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:15:34,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967864628] [2019-11-20 03:15:34,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:34,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:34,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622341525] [2019-11-20 03:15:34,414 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-11-20 03:15:34,471 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:15:34,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:15:34,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:15:34,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:15:34,471 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:15:34,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:15:34,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:15:34,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2019-11-20 03:15:34,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:15:34,472 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:15:34,473 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 03:15:34,475 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 03:15:34,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:34,483 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 03:15:34,488 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 03:15:34,489 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 03:15:34,491 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 03:15:34,493 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 03:15:34,495 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 03:15:34,499 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 03:15:34,500 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 03:15:34,508 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 03:15:34,512 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 03:15:34,514 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 03:15:34,518 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 03:15:34,520 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 03:15:34,526 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 03:15:34,529 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 03:15:34,531 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 03:15:34,533 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 03:15:34,535 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 03:15:34,538 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 03:15:34,547 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 03:15:34,549 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 03:15:34,565 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 03:15:34,577 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 03:15:34,867 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:15:34,868 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:34,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:15:34,884 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:34,885 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:34,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:15:34,892 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:34,892 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-1} Honda state: {~e_c~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:34,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:15:34,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:15:34,899 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0=0} Honda state: {ULTIMATE.start_eval_~tmp~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:15:34,904 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:15:34,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:15:34,916 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:15:34,917 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:15:34,917 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:15:34,917 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:15:34,917 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:15:34,917 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:15:34,918 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:34,918 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:15:34,918 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:15:34,918 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2019-11-20 03:15:34,918 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:15:34,918 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:15:34,919 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 03:15:34,921 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 03:15:34,925 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 03:15:34,929 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 03:15:34,931 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 03:15:34,933 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 03:15:34,935 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 03:15:34,937 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 03:15:34,944 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 03:15:34,949 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 03:15:34,951 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 03:15:34,957 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 03:15:34,959 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 03:15:34,964 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 03:15:34,966 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 03:15:34,970 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 03:15:34,972 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 03:15:34,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:34,977 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 03:15:34,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:34,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:15:34,983 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 03:15:34,984 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 03:15:34,987 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 03:15:34,994 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 03:15:34,995 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 03:15:35,216 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:15:35,216 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:15:35,229 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 03:15:35,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:35,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:35,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:35,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:35,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:35,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:35,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:35,233 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:35,240 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 03:15:35,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:35,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:35,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:35,241 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:15:35,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:35,242 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:15:35,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:15:35,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:15:35,257 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 03:15:35,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:15:35,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:15:35,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:15:35,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:15:35,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:15:35,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:15:35,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:35,263 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:15:35,265 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 03:15:35,265 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_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 03:15:35,273 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:15:35,273 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:15:35,273 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:15:35,273 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2019-11-20 03:15:35,275 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:15:35,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:35,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:15:35,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:15:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:35,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 03:15:35,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:15:35,346 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 03:15:35,346 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-20 03:15:35,347 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1965 states and 3310 transitions. cyclomatic complexity: 1356 Second operand 5 states. [2019-11-20 03:15:35,406 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1965 states and 3310 transitions. cyclomatic complexity: 1356. Second operand 5 states. Result 5576 states and 9355 transitions. Complement of second has 5 states. [2019-11-20 03:15:35,406 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 03:15:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 03:15:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2019-11-20 03:15:35,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 208 transitions. Stem has 25 letters. Loop has 29 letters. [2019-11-20 03:15:35,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:35,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 208 transitions. Stem has 54 letters. Loop has 29 letters. [2019-11-20 03:15:35,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:35,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 208 transitions. Stem has 25 letters. Loop has 58 letters. [2019-11-20 03:15:35,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:15:35,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5576 states and 9355 transitions. [2019-11-20 03:15:35,448 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1920 [2019-11-20 03:15:35,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5576 states to 5576 states and 9355 transitions. [2019-11-20 03:15:35,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2105 [2019-11-20 03:15:35,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2138 [2019-11-20 03:15:35,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5576 states and 9355 transitions. [2019-11-20 03:15:35,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:35,496 INFO L688 BuchiCegarLoop]: Abstraction has 5576 states and 9355 transitions. [2019-11-20 03:15:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5576 states and 9355 transitions. [2019-11-20 03:15:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5576 to 5543. [2019-11-20 03:15:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5543 states. [2019-11-20 03:15:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5543 states to 5543 states and 9295 transitions. [2019-11-20 03:15:35,612 INFO L711 BuchiCegarLoop]: Abstraction has 5543 states and 9295 transitions. [2019-11-20 03:15:35,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:35,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:35,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:35,613 INFO L87 Difference]: Start difference. First operand 5543 states and 9295 transitions. Second operand 3 states. [2019-11-20 03:15:35,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:35,677 INFO L93 Difference]: Finished difference Result 5023 states and 8398 transitions. [2019-11-20 03:15:35,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:35,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5023 states and 8398 transitions. [2019-11-20 03:15:35,707 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1747 [2019-11-20 03:15:35,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5023 states to 5023 states and 8398 transitions. [2019-11-20 03:15:35,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1932 [2019-11-20 03:15:35,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1932 [2019-11-20 03:15:35,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5023 states and 8398 transitions. [2019-11-20 03:15:35,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:35,746 INFO L688 BuchiCegarLoop]: Abstraction has 5023 states and 8398 transitions. [2019-11-20 03:15:35,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states and 8398 transitions. [2019-11-20 03:15:35,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 5023. [2019-11-20 03:15:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5023 states. [2019-11-20 03:15:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5023 states to 5023 states and 8398 transitions. [2019-11-20 03:15:35,841 INFO L711 BuchiCegarLoop]: Abstraction has 5023 states and 8398 transitions. [2019-11-20 03:15:35,841 INFO L591 BuchiCegarLoop]: Abstraction has 5023 states and 8398 transitions. [2019-11-20 03:15:35,841 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-20 03:15:35,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5023 states and 8398 transitions. [2019-11-20 03:15:35,855 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1747 [2019-11-20 03:15:35,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:35,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:35,856 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] [2019-11-20 03:15:35,856 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:15:35,857 INFO L794 eck$LassoCheckResult]: Stem: 30991#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 30789#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 30790#L406 assume !(1 == ~c_req_up~0); 30835#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 30839#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 30840#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 30957#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 30958#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 31007#L437-1 assume !(0 == ~e_f~0); 31008#L442-1 assume !(0 == ~e_g~0); 30845#L447-1 assume !(0 == ~e_e~0); 30846#L452-1 assume !(0 == ~e_c~0); 31056#L457-1 assume !(0 == ~e_wl~0); 31055#L462-1 assume !(1 == ~wl_pc~0); 31052#L474 assume !(2 == ~wl_pc~0); 31051#L475 assume !(1 == ~c1_pc~0); 31049#L485 assume !(1 == ~c2_pc~0); 31040#L494 assume !(1 == ~wb_pc~0); 31035#L503 assume !(1 == ~e_c~0); 31031#L512-1 assume !(1 == ~e_e~0); 31026#L517-1 assume !(1 == ~e_f~0); 31025#L522-1 assume !(1 == ~e_g~0); 30826#L527-1 assume !(1 == ~e_c~0); 30827#L532-1 assume !(1 == ~e_wl~0); 31481#L674-1 assume !false; 31476#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 31477#L379 [2019-11-20 03:15:35,857 INFO L796 eck$LassoCheckResult]: Loop: 31477#L379 assume !false; 31493#L297 assume 0 == ~wl_st~0; 31492#L310-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet0;havoc eval_#t~nondet0; 31472#L323 assume !(0 != eval_~tmp~0); 31473#L319 assume !(0 == ~c1_st~0); 31602#L334 assume !(0 == ~c2_st~0); 31575#L349 assume !(0 == ~wb_st~0); 31523#L364 assume !(0 == ~r_st~0); 31477#L379 [2019-11-20 03:15:35,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:35,857 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2019-11-20 03:15:35,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:35,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017574824] [2019-11-20 03:15:35,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:35,883 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:35,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:35,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1289372155, now seen corresponding path program 1 times [2019-11-20 03:15:35,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:35,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158716240] [2019-11-20 03:15:35,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:35,891 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:35,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:35,891 INFO L82 PathProgramCache]: Analyzing trace with hash 370417651, now seen corresponding path program 1 times [2019-11-20 03:15:35,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:35,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468531886] [2019-11-20 03:15:35,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:35,910 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 03:15:35,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468531886] [2019-11-20 03:15:35,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:35,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:35,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443316334] [2019-11-20 03:15:35,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:35,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:35,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:35,943 INFO L87 Difference]: Start difference. First operand 5023 states and 8398 transitions. cyclomatic complexity: 3408 Second operand 3 states. [2019-11-20 03:15:36,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:36,000 INFO L93 Difference]: Finished difference Result 7959 states and 13148 transitions. [2019-11-20 03:15:36,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:36,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7959 states and 13148 transitions. [2019-11-20 03:15:36,032 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 2732 [2019-11-20 03:15:36,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7959 states to 7959 states and 13148 transitions. [2019-11-20 03:15:36,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3015 [2019-11-20 03:15:36,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3015 [2019-11-20 03:15:36,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7959 states and 13148 transitions. [2019-11-20 03:15:36,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:36,083 INFO L688 BuchiCegarLoop]: Abstraction has 7959 states and 13148 transitions. [2019-11-20 03:15:36,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7959 states and 13148 transitions. [2019-11-20 03:15:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7959 to 7959. [2019-11-20 03:15:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7959 states. [2019-11-20 03:15:36,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7959 states to 7959 states and 13148 transitions. [2019-11-20 03:15:36,303 INFO L711 BuchiCegarLoop]: Abstraction has 7959 states and 13148 transitions. [2019-11-20 03:15:36,303 INFO L591 BuchiCegarLoop]: Abstraction has 7959 states and 13148 transitions. [2019-11-20 03:15:36,303 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-20 03:15:36,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7959 states and 13148 transitions. [2019-11-20 03:15:36,323 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 2732 [2019-11-20 03:15:36,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:36,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:36,324 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] [2019-11-20 03:15:36,324 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:15:36,324 INFO L794 eck$LassoCheckResult]: Stem: 43968#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 43776#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 43777#L406 assume !(1 == ~c_req_up~0); 43820#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 43823#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 43824#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 43941#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 43942#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 43988#L437-1 assume !(0 == ~e_f~0); 43989#L442-1 assume !(0 == ~e_g~0); 43829#L447-1 assume !(0 == ~e_e~0); 43830#L452-1 assume !(0 == ~e_c~0); 44041#L457-1 assume !(0 == ~e_wl~0); 44040#L462-1 assume !(1 == ~wl_pc~0); 44037#L474 assume !(2 == ~wl_pc~0); 44036#L475 assume !(1 == ~c1_pc~0); 44034#L485 assume !(1 == ~c2_pc~0); 44025#L494 assume !(1 == ~wb_pc~0); 44020#L503 assume !(1 == ~e_c~0); 44016#L512-1 assume !(1 == ~e_e~0); 44011#L517-1 assume !(1 == ~e_f~0); 44010#L522-1 assume !(1 == ~e_g~0); 43810#L527-1 assume !(1 == ~e_c~0); 43811#L532-1 assume !(1 == ~e_wl~0); 44728#L674-1 assume !false; 44729#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 44716#L379 [2019-11-20 03:15:36,325 INFO L796 eck$LassoCheckResult]: Loop: 44716#L379 assume !false; 44634#L297 assume 0 == ~wl_st~0; 44603#L310-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet0;havoc eval_#t~nondet0; 44596#L323 assume !(0 != eval_~tmp~0); 44597#L319 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet1;havoc eval_#t~nondet1; 47915#L338 assume !(0 != eval_~tmp___0~0); 44734#L334 assume !(0 == ~c2_st~0); 44732#L349 assume !(0 == ~wb_st~0); 44722#L364 assume !(0 == ~r_st~0); 44716#L379 [2019-11-20 03:15:36,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:36,325 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2019-11-20 03:15:36,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:36,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539140059] [2019-11-20 03:15:36,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:36,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:36,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:36,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 1 times [2019-11-20 03:15:36,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:36,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965935056] [2019-11-20 03:15:36,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:36,358 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:36,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:36,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1452726936, now seen corresponding path program 1 times [2019-11-20 03:15:36,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:36,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890188820] [2019-11-20 03:15:36,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:36,380 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 03:15:36,380 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890188820] [2019-11-20 03:15:36,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:36,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:36,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507049479] [2019-11-20 03:15:36,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:36,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:36,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:36,418 INFO L87 Difference]: Start difference. First operand 7959 states and 13148 transitions. cyclomatic complexity: 5222 Second operand 3 states. [2019-11-20 03:15:36,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:36,491 INFO L93 Difference]: Finished difference Result 12649 states and 20599 transitions. [2019-11-20 03:15:36,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:36,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12649 states and 20599 transitions. [2019-11-20 03:15:36,544 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 4288 [2019-11-20 03:15:36,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12649 states to 12649 states and 20599 transitions. [2019-11-20 03:15:36,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4840 [2019-11-20 03:15:36,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4840 [2019-11-20 03:15:36,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12649 states and 20599 transitions. [2019-11-20 03:15:36,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:36,611 INFO L688 BuchiCegarLoop]: Abstraction has 12649 states and 20599 transitions. [2019-11-20 03:15:36,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12649 states and 20599 transitions. [2019-11-20 03:15:36,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12649 to 12649. [2019-11-20 03:15:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12649 states. [2019-11-20 03:15:36,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12649 states to 12649 states and 20599 transitions. [2019-11-20 03:15:36,783 INFO L711 BuchiCegarLoop]: Abstraction has 12649 states and 20599 transitions. [2019-11-20 03:15:36,783 INFO L591 BuchiCegarLoop]: Abstraction has 12649 states and 20599 transitions. [2019-11-20 03:15:36,783 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-11-20 03:15:36,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12649 states and 20599 transitions. [2019-11-20 03:15:36,818 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 4288 [2019-11-20 03:15:36,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:36,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:36,819 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] [2019-11-20 03:15:36,819 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:15:36,819 INFO L794 eck$LassoCheckResult]: Stem: 64580#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 64392#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 64393#L406 assume !(1 == ~c_req_up~0); 64433#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 64436#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 64437#L422-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 64547#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 64548#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 64598#L437-1 assume !(0 == ~e_f~0); 64599#L442-1 assume !(0 == ~e_g~0); 66129#L447-1 assume !(0 == ~e_e~0); 66128#L452-1 assume !(0 == ~e_c~0); 66127#L457-1 assume !(0 == ~e_wl~0); 66126#L462-1 assume !(1 == ~wl_pc~0); 64660#L474 assume !(2 == ~wl_pc~0); 64661#L475 assume !(1 == ~c1_pc~0); 64656#L485 assume !(1 == ~c2_pc~0); 64655#L494 assume !(1 == ~wb_pc~0); 64643#L503 assume !(1 == ~e_c~0); 64644#L512-1 assume !(1 == ~e_e~0); 64630#L517-1 assume !(1 == ~e_f~0); 64631#L522-1 assume !(1 == ~e_g~0); 64423#L527-1 assume !(1 == ~e_c~0); 64424#L532-1 assume !(1 == ~e_wl~0); 65800#L674-1 assume !false; 65795#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 65796#L379 [2019-11-20 03:15:36,820 INFO L796 eck$LassoCheckResult]: Loop: 65796#L379 assume !false; 65934#L297 assume 0 == ~wl_st~0; 65933#L310-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet0;havoc eval_#t~nondet0; 65930#L323 assume !(0 != eval_~tmp~0); 65929#L319 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet1;havoc eval_#t~nondet1; 65888#L338 assume !(0 != eval_~tmp___0~0); 65919#L334 assume !(0 == ~c2_st~0); 65921#L349 assume !(0 == ~wb_st~0); 65901#L364 assume !(0 == ~r_st~0); 65796#L379 [2019-11-20 03:15:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:36,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2019-11-20 03:15:36,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:36,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293088509] [2019-11-20 03:15:36,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:36,834 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 03:15:36,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293088509] [2019-11-20 03:15:36,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:36,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:36,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454185681] [2019-11-20 03:15:36,835 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:15:36,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:36,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 2 times [2019-11-20 03:15:36,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:36,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850706058] [2019-11-20 03:15:36,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:36,839 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:36,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:36,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:36,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:36,873 INFO L87 Difference]: Start difference. First operand 12649 states and 20599 transitions. cyclomatic complexity: 7983 Second operand 3 states. [2019-11-20 03:15:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:36,911 INFO L93 Difference]: Finished difference Result 12547 states and 20414 transitions. [2019-11-20 03:15:36,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:36,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12547 states and 20414 transitions. [2019-11-20 03:15:36,959 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 4288 [2019-11-20 03:15:37,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12547 states to 12547 states and 20414 transitions. [2019-11-20 03:15:37,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4741 [2019-11-20 03:15:37,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4741 [2019-11-20 03:15:37,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12547 states and 20414 transitions. [2019-11-20 03:15:37,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:37,007 INFO L688 BuchiCegarLoop]: Abstraction has 12547 states and 20414 transitions. [2019-11-20 03:15:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12547 states and 20414 transitions. [2019-11-20 03:15:37,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12547 to 12547. [2019-11-20 03:15:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12547 states. [2019-11-20 03:15:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12547 states to 12547 states and 20414 transitions. [2019-11-20 03:15:37,166 INFO L711 BuchiCegarLoop]: Abstraction has 12547 states and 20414 transitions. [2019-11-20 03:15:37,167 INFO L591 BuchiCegarLoop]: Abstraction has 12547 states and 20414 transitions. [2019-11-20 03:15:37,167 INFO L424 BuchiCegarLoop]: ======== Iteration 14============ [2019-11-20 03:15:37,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12547 states and 20414 transitions. [2019-11-20 03:15:37,201 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 4288 [2019-11-20 03:15:37,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:37,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:37,202 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] [2019-11-20 03:15:37,202 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:15:37,203 INFO L794 eck$LassoCheckResult]: Stem: 89791#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 89595#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 89596#L406 assume !(1 == ~c_req_up~0); 89638#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 89641#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 89642#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 89760#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 89761#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 89810#L437-1 assume !(0 == ~e_f~0); 89811#L442-1 assume !(0 == ~e_g~0); 89647#L447-1 assume !(0 == ~e_e~0); 89648#L452-1 assume !(0 == ~e_c~0); 89867#L457-1 assume !(0 == ~e_wl~0); 89866#L462-1 assume !(1 == ~wl_pc~0); 89863#L474 assume !(2 == ~wl_pc~0); 89862#L475 assume !(1 == ~c1_pc~0); 89860#L485 assume !(1 == ~c2_pc~0); 89851#L494 assume !(1 == ~wb_pc~0); 89846#L503 assume !(1 == ~e_c~0); 89842#L512-1 assume !(1 == ~e_e~0); 89837#L517-1 assume !(1 == ~e_f~0); 89836#L522-1 assume !(1 == ~e_g~0); 89628#L527-1 assume !(1 == ~e_c~0); 89629#L532-1 assume !(1 == ~e_wl~0); 91148#L674-1 assume !false; 91149#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 91095#L379 [2019-11-20 03:15:37,203 INFO L796 eck$LassoCheckResult]: Loop: 91095#L379 assume !false; 95831#L297 assume 0 == ~wl_st~0; 95826#L310-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet0;havoc eval_#t~nondet0; 95824#L323 assume !(0 != eval_~tmp~0); 95822#L319 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet1;havoc eval_#t~nondet1; 91014#L338 assume !(0 != eval_~tmp___0~0); 95820#L334 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet2;havoc eval_#t~nondet2; 91144#L353 assume !(0 != eval_~tmp___1~0); 91105#L349 assume !(0 == ~wb_st~0); 91097#L364 assume !(0 == ~r_st~0); 91095#L379 [2019-11-20 03:15:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:37,203 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2019-11-20 03:15:37,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:37,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082792013] [2019-11-20 03:15:37,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,218 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:37,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:37,218 INFO L82 PathProgramCache]: Analyzing trace with hash 560500646, now seen corresponding path program 1 times [2019-11-20 03:15:37,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:37,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787659642] [2019-11-20 03:15:37,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,224 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:37,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:37,225 INFO L82 PathProgramCache]: Analyzing trace with hash -2086482018, now seen corresponding path program 1 times [2019-11-20 03:15:37,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:37,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369773180] [2019-11-20 03:15:37,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:15:37,253 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 03:15:37,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369773180] [2019-11-20 03:15:37,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:15:37,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:15:37,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757274921] [2019-11-20 03:15:37,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:15:37,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:15:37,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:15:37,299 INFO L87 Difference]: Start difference. First operand 12547 states and 20414 transitions. cyclomatic complexity: 7900 Second operand 3 states. [2019-11-20 03:15:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:15:37,478 INFO L93 Difference]: Finished difference Result 21409 states and 34276 transitions. [2019-11-20 03:15:37,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 03:15:37,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21409 states and 34276 transitions. [2019-11-20 03:15:37,556 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 7356 [2019-11-20 03:15:37,637 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21409 states to 21409 states and 34276 transitions. [2019-11-20 03:15:37,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8025 [2019-11-20 03:15:37,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8025 [2019-11-20 03:15:37,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21409 states and 34276 transitions. [2019-11-20 03:15:37,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 03:15:37,650 INFO L688 BuchiCegarLoop]: Abstraction has 21409 states and 34276 transitions. [2019-11-20 03:15:37,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21409 states and 34276 transitions. [2019-11-20 03:15:37,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21409 to 21409. [2019-11-20 03:15:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21409 states. [2019-11-20 03:15:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21409 states to 21409 states and 34276 transitions. [2019-11-20 03:15:37,901 INFO L711 BuchiCegarLoop]: Abstraction has 21409 states and 34276 transitions. [2019-11-20 03:15:37,901 INFO L591 BuchiCegarLoop]: Abstraction has 21409 states and 34276 transitions. [2019-11-20 03:15:37,901 INFO L424 BuchiCegarLoop]: ======== Iteration 15============ [2019-11-20 03:15:37,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21409 states and 34276 transitions. [2019-11-20 03:15:37,956 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 7356 [2019-11-20 03:15:37,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:15:37,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:15:37,957 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] [2019-11-20 03:15:37,957 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:15:37,958 INFO L794 eck$LassoCheckResult]: Stem: 123758#ULTIMATE.startENTRY ~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 123558#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 123559#L406 assume !(1 == ~c_req_up~0); 123603#L406-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 123607#L417-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 123608#L422-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 123725#L427-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 123726#L432-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 123775#L437-1 assume !(0 == ~e_f~0); 123776#L442-1 assume !(0 == ~e_g~0); 123613#L447-1 assume !(0 == ~e_e~0); 123614#L452-1 assume !(0 == ~e_c~0); 123847#L457-1 assume !(0 == ~e_wl~0); 123846#L462-1 assume !(1 == ~wl_pc~0); 123843#L474 assume !(2 == ~wl_pc~0); 123842#L475 assume !(1 == ~c1_pc~0); 123840#L485 assume !(1 == ~c2_pc~0); 123831#L494 assume !(1 == ~wb_pc~0); 123826#L503 assume !(1 == ~e_c~0); 123822#L512-1 assume !(1 == ~e_e~0); 123817#L517-1 assume !(1 == ~e_f~0); 123816#L522-1 assume !(1 == ~e_g~0); 123594#L527-1 assume !(1 == ~e_c~0); 123595#L532-1 assume !(1 == ~e_wl~0); 125339#L674-1 assume !false; 125340#L544 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet0, eval_#t~nondet1, eval_#t~nondet2, eval_#t~nondet3, eval_#t~nondet4, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 124987#L379 [2019-11-20 03:15:37,963 INFO L796 eck$LassoCheckResult]: Loop: 124987#L379 assume !false; 124984#L297 assume 0 == ~wl_st~0; 124981#L310-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet0;havoc eval_#t~nondet0; 124977#L323 assume !(0 != eval_~tmp~0); 124978#L319 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet1;havoc eval_#t~nondet1; 126122#L338 assume !(0 != eval_~tmp___0~0); 125605#L334 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet2;havoc eval_#t~nondet2; 125560#L353 assume !(0 != eval_~tmp___1~0); 125303#L349 assume 0 == ~wb_st~0;eval_~tmp___2~0 := eval_#t~nondet3;havoc eval_#t~nondet3; 125300#L368 assume !(0 != eval_~tmp___2~0); 125299#L364 assume !(0 == ~r_st~0); 124987#L379 [2019-11-20 03:15:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:37,963 INFO L82 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2019-11-20 03:15:37,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:37,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990348813] [2019-11-20 03:15:37,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:37,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:37,978 INFO L82 PathProgramCache]: Analyzing trace with hash 195616437, now seen corresponding path program 1 times [2019-11-20 03:15:37,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:37,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681735706] [2019-11-20 03:15:37,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:37,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:15:37,984 INFO L82 PathProgramCache]: Analyzing trace with hash -256467523, now seen corresponding path program 1 times [2019-11-20 03:15:37,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:15:37,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50178541] [2019-11-20 03:15:37,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:15:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:15:37,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:15:38,520 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 110 [2019-11-20 03:15:38,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:15:38 BoogieIcfgContainer [2019-11-20 03:15:38,616 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:15:38,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:15:38,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:15:38,617 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:15:38,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:15:29" (3/4) ... [2019-11-20 03:15:38,620 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 03:15:38,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3596bc2b-ae42-4981-8441-ecee92ba8807/bin/uautomizer/witness.graphml [2019-11-20 03:15:38,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:15:38,677 INFO L168 Benchmark]: Toolchain (without parser) took 10310.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 951.4 MB in the beginning and 809.1 MB in the end (delta: 142.3 MB). Peak memory consumption was 359.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:15:38,678 INFO L168 Benchmark]: CDTParser took 0.18 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 03:15:38,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:15:38,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.22 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 03:15:38,679 INFO L168 Benchmark]: Boogie Preprocessor took 58.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:15:38,679 INFO L168 Benchmark]: RCFGBuilder took 652.49 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:15:38,680 INFO L168 Benchmark]: BuchiAutomizer took 9034.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 811.5 MB in the end (delta: 255.9 MB). Peak memory consumption was 345.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:15:38,680 INFO L168 Benchmark]: Witness Printer took 59.69 ms. Allocated memory is still 1.2 GB. Free memory was 811.5 MB in the beginning and 809.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:15:38,683 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 456.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.22 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 58.36 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 652.49 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9034.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 811.5 MB in the end (delta: 255.9 MB). Peak memory consumption was 345.0 MB. Max. memory is 11.5 GB. * Witness Printer took 59.69 ms. Allocated memory is still 1.2 GB. Free memory was 811.5 MB in the beginning and 809.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. 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 17 terminating modules (14 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_f + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. 14 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 21409 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.4s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 12. Automata minimization 1.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 417 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.7s Buchi closure took 0.0s. Biggest automaton had 21409 states and ocurred in iteration 14. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4213 SDtfs, 3526 SDslu, 2462 SDs, 0 SdLazy, 323 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT1 SILN1 SILU0 SILI5 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital80 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq182 hnf98 smp100 dnf190 smp75 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 296]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {p_out=0, wb_st=0, processed=0, \result=0, c2_st=0, wl_pc=0, e_wl=2, tmp=0, e_c=2, e_e=2, kernel_st=1, e_p_in=0, tmp___1=0, t_b=0, tmp___2=0, p_in=0, wb_pc=0, data=0, tmp___0=0, wb_i=1, c_req_up=0, tmp___3=0, c_t=0, wl_i=1, c1_st=0, c=0, wl_st=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dd9ecfa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3658c88c=0, c1_i=1, c2_pc=0, c2_i=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d676d41=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d8bc4d4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e438302=0, r_i=0, d=0, e_f=2, e_g=2, r_st=2, __retres1=0, c1_pc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 296]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L18] int c ; [L19] int c_t ; [L20] int c_req_up ; [L21] int p_in ; [L22] int p_out ; [L23] int wl_st ; [L24] int c1_st ; [L25] int c2_st ; [L26] int wb_st ; [L27] int r_st ; [L28] int wl_i ; [L29] int c1_i ; [L30] int c2_i ; [L31] int wb_i ; [L32] int r_i ; [L33] int wl_pc ; [L34] int c1_pc ; [L35] int c2_pc ; [L36] int wb_pc ; [L37] int e_e ; [L38] int e_f ; [L39] int e_g ; [L40] int e_c ; [L41] int e_p_in ; [L42] int e_wl ; [L48] int d ; [L49] int data ; [L50] int processed ; [L51] static int t_b ; [L691] int __retres1 ; [L695] e_wl = 2 [L696] e_c = e_wl [L697] e_g = e_c [L698] e_f = e_g [L699] e_e = e_f [L700] wl_pc = 0 [L701] c1_pc = 0 [L702] c2_pc = 0 [L703] wb_pc = 0 [L704] wb_i = 1 [L705] c2_i = wb_i [L706] c1_i = c2_i [L707] wl_i = c1_i [L708] r_i = 0 [L709] c_req_up = 0 [L710] d = 0 [L711] c = 0 [L402] int kernel_st ; [L405] kernel_st = 0 [L406] COND FALSE !((int )c_req_up == 1) [L417] COND TRUE (int )wl_i == 1 [L418] wl_st = 0 [L422] COND TRUE (int )c1_i == 1 [L423] c1_st = 0 [L427] COND TRUE (int )c2_i == 1 [L428] c2_st = 0 [L432] COND TRUE (int )wb_i == 1 [L433] wb_st = 0 [L437] COND FALSE !((int )r_i == 1) [L440] r_st = 2 [L442] COND FALSE !((int )e_f == 0) [L447] COND FALSE !((int )e_g == 0) [L452] COND FALSE !((int )e_e == 0) [L457] COND FALSE !((int )e_c == 0) [L462] COND FALSE !((int )e_wl == 0) [L467] COND FALSE !((int )wl_pc == 1) [L475] COND FALSE !((int )wl_pc == 2) [L485] COND FALSE !((int )c1_pc == 1) [L494] COND FALSE !((int )c2_pc == 1) [L503] COND FALSE !((int )wb_pc == 1) [L512] COND FALSE !((int )e_c == 1) [L517] COND FALSE !((int )e_e == 1) [L522] COND FALSE !((int )e_f == 1) [L527] COND FALSE !((int )e_g == 1) [L532] COND FALSE !((int )e_c == 1) [L537] COND FALSE !((int )e_wl == 1) [L543] COND TRUE 1 [L546] kernel_st = 1 [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L292] int tmp___3 ; Loop: [L296] COND TRUE 1 [L298] COND TRUE (int )wl_st == 0 [L319] COND TRUE (int )wl_st == 0 [L321] tmp = __VERIFIER_nondet_int() [L323] COND FALSE !(\read(tmp)) [L334] COND TRUE (int )c1_st == 0 [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L349] COND TRUE (int )c2_st == 0 [L351] tmp___1 = __VERIFIER_nondet_int() [L353] COND FALSE !(\read(tmp___1)) [L364] COND TRUE (int )wb_st == 0 [L366] tmp___2 = __VERIFIER_nondet_int() [L368] COND FALSE !(\read(tmp___2)) [L379] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...