./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ............................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 13:13:34,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:13:34,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:13:34,843 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:13:34,843 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:13:34,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:13:34,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:13:34,845 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:13:34,847 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:13:34,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:13:34,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:13:34,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:13:34,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:13:34,849 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:13:34,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:13:34,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:13:34,851 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:13:34,853 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:13:34,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:13:34,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:13:34,856 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:13:34,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:13:34,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:13:34,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:13:34,859 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:13:34,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:13:34,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:13:34,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:13:34,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:13:34,862 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:13:34,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:13:34,863 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:13:34,863 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:13:34,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:13:34,864 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:13:34,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:13:34,865 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:13:34,875 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:13:34,876 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:13:34,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:13:34,877 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:13:34,877 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:13:34,877 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:13:34,877 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:13:34,877 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:13:34,877 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:13:34,877 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:13:34,878 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:13:34,878 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:13:34,878 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:13:34,878 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:13:34,878 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:13:34,878 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:13:34,878 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:13:34,879 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:13:34,880 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:13:34,880 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:13:34,880 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:13:34,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:13:34,880 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:13:34,880 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:13:34,881 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:13:34,881 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2018-11-18 13:13:34,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:13:34,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:13:34,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:13:34,913 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:13:34,913 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:13:34,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-11-18 13:13:34,949 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/data/9727d6959/87c4bf38a72b4e2c87b5acf0ba715cac/FLAG006d1380a [2018-11-18 13:13:35,392 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:13:35,393 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-11-18 13:13:35,399 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/data/9727d6959/87c4bf38a72b4e2c87b5acf0ba715cac/FLAG006d1380a [2018-11-18 13:13:35,408 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/data/9727d6959/87c4bf38a72b4e2c87b5acf0ba715cac [2018-11-18 13:13:35,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:13:35,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:13:35,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:35,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:13:35,414 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:13:35,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35, skipping insertion in model container [2018-11-18 13:13:35,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:13:35,450 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:13:35,631 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:35,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:13:35,739 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:35,754 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:13:35,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35 WrapperNode [2018-11-18 13:13:35,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:35,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:35,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:13:35,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:13:35,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:35,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:13:35,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:13:35,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:13:35,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... [2018-11-18 13:13:35,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:13:35,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:13:35,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:13:35,813 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:13:35,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 13:13:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:13:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:13:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:13:36,270 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:13:36,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:36 BoogieIcfgContainer [2018-11-18 13:13:36,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:13:36,271 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:13:36,271 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:13:36,273 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:13:36,274 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:13:36,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:13:35" (1/3) ... [2018-11-18 13:13:36,275 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@645a2512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:13:36, skipping insertion in model container [2018-11-18 13:13:36,275 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:13:36,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:35" (2/3) ... [2018-11-18 13:13:36,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@645a2512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:13:36, skipping insertion in model container [2018-11-18 13:13:36,276 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:13:36,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:36" (3/3) ... [2018-11-18 13:13:36,277 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-11-18 13:13:36,310 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:13:36,311 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:13:36,311 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:13:36,311 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:13:36,311 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:13:36,311 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:13:36,311 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:13:36,311 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:13:36,311 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:13:36,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 13:13:36,340 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-18 13:13:36,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:36,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:36,345 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:36,345 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:36,346 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:13:36,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 13:13:36,349 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-18 13:13:36,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:36,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:36,350 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:36,350 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:36,354 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 35#L166true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 65#L159true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 82#L174true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 75#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 17#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L409-3true [2018-11-18 13:13:36,354 INFO L796 eck$LassoCheckResult]: Loop: 7#L409-3true assume true; 4#L409-1true assume !false; 31#L410true assume test_~splverifierCounter~0 < 4; 49#L411true test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; 59#L419true assume !(0 != test_~tmp~1); 62#L419-2true test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; 36#L429true assume !(0 != test_~tmp___0~0); 39#L429-2true test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; 16#L439true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 19#L395true assume { :end_inline_startSystem } true; 26#L447-2true assume { :begin_inline_timeShift } true; 41#L276true assume !(0 != ~pumpRunning~0); 38#L276-2true assume !(0 != ~systemActive~0); 34#L283-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 77#L258true __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 70#L851true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 73#L851-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 14#L293true assume { :end_inline_timeShift } true; 7#L409-3true [2018-11-18 13:13:36,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:36,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:13:36,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:36,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:36,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:36,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:36,510 INFO L82 PathProgramCache]: Analyzing trace with hash 405076275, now seen corresponding path program 1 times [2018-11-18 13:13:36,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:36,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:36,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:36,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:36,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:36,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:13:36,547 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:13:36,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:13:36,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:13:36,558 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 3 states. [2018-11-18 13:13:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:36,606 INFO L93 Difference]: Finished difference Result 149 states and 187 transitions. [2018-11-18 13:13:36,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:13:36,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 187 transitions. [2018-11-18 13:13:36,611 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2018-11-18 13:13:36,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 129 states and 166 transitions. [2018-11-18 13:13:36,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 129 [2018-11-18 13:13:36,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 129 [2018-11-18 13:13:36,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 166 transitions. [2018-11-18 13:13:36,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:13:36,619 INFO L705 BuchiCegarLoop]: Abstraction has 129 states and 166 transitions. [2018-11-18 13:13:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 166 transitions. [2018-11-18 13:13:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2018-11-18 13:13:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 13:13:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 162 transitions. [2018-11-18 13:13:36,643 INFO L728 BuchiCegarLoop]: Abstraction has 126 states and 162 transitions. [2018-11-18 13:13:36,643 INFO L608 BuchiCegarLoop]: Abstraction has 126 states and 162 transitions. [2018-11-18 13:13:36,644 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:13:36,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 162 transitions. [2018-11-18 13:13:36,645 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2018-11-18 13:13:36,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:36,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:36,646 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:36,646 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:36,646 INFO L794 eck$LassoCheckResult]: Stem: 266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 44];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 80];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 117];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 109];#memory_int := #memory_int[#t~string20.base,4 + #t~string20.offset := 112];#memory_int := #memory_int[#t~string20.base,5 + #t~string20.offset := 58];#memory_int := #memory_int[#t~string20.base,6 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 79];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 110];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 79];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 102];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 41];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 32];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 10];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 251#L166 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 279#L159 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 311#L174 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 321#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 258#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 259#L409-3 [2018-11-18 13:13:36,647 INFO L796 eck$LassoCheckResult]: Loop: 259#L409-3 assume true; 330#L409-1 assume !false; 329#L410 assume test_~splverifierCounter~0 < 4; 295#L411 test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; 296#L419 assume !(0 != test_~tmp~1); 247#L419-2 test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; 280#L429 assume !(0 != test_~tmp___0~0); 262#L429-2 test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; 255#L439 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 256#L395 assume { :end_inline_startSystem } true; 260#L447-2 assume { :begin_inline_timeShift } true; 338#L276 assume !(0 != ~pumpRunning~0); 337#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 336#L300 assume { :end_inline_processEnvironment } true; 335#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 334#L258 __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 314#L851 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 245#L851-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 331#L293 assume { :end_inline_timeShift } true; 259#L409-3 [2018-11-18 13:13:36,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:36,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:13:36,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:36,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:36,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:36,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:36,698 INFO L82 PathProgramCache]: Analyzing trace with hash 300542304, now seen corresponding path program 1 times [2018-11-18 13:13:36,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:36,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:36,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,699 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:13:36,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:36,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1692281572, now seen corresponding path program 1 times [2018-11-18 13:13:36,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:36,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:36,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:36,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:14:45,670 WARN L180 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:15:18,382 WARN L180 SmtUtils]: Spent 32.71 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:15:18,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:15:18 BoogieIcfgContainer [2018-11-18 13:15:18,454 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:15:18,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:15:18,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:15:18,455 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:15:18,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:36" (3/4) ... [2018-11-18 13:15:18,459 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:15:18,498 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c99d79c5-7010-419c-952e-4d9d0cbc7721/bin-2019/uautomizer/witness.graphml [2018-11-18 13:15:18,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:15:18,499 INFO L168 Benchmark]: Toolchain (without parser) took 103088.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 956.4 MB in the beginning and 901.3 MB in the end (delta: 55.1 MB). Peak memory consumption was 263.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,500 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:15:18,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,501 INFO L168 Benchmark]: Boogie Preprocessor took 19.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,501 INFO L168 Benchmark]: RCFGBuilder took 458.18 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,501 INFO L168 Benchmark]: BuchiAutomizer took 102183.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 906.7 MB in the end (delta: 155.3 MB). Peak memory consumption was 277.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,502 INFO L168 Benchmark]: Witness Printer took 43.95 ms. Allocated memory is still 1.2 GB. Free memory was 906.7 MB in the beginning and 901.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:18,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 458.18 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 102183.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 906.7 MB in the end (delta: 155.3 MB). Peak memory consumption was 277.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.95 ms. Allocated memory is still 1.2 GB. Free memory was 906.7 MB in the beginning and 901.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 102.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 101.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 97 SDtfs, 90 SDslu, 83 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 409]: 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 {NULL=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=15, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "CRIT"=34, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=37, ")"=31, "libacc.c"=38, "__utac__get_this_arg"=14, methaneLevelCritical=0, "__utac__get_this_argtype"=0, tmp___1=0, ",Pump:"=26, "\n"=20, tmp___0=0, cleanupTimeShifts=4, tmp=0, "Pump(System:"=29, "__utac__get_this_arg"=17, NULL=0, systemActive=1, waterLevel=1, \result=1, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, \result=1, "Off"=27, head=0, pumpRunning=0, tmp=1, \result=0, "libacc.c"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ba0efed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0f1a49=0, "On"=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70a8598c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e8e135c=169, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d6ad70c=0, "libacc.c"=12, "On"=24, tmp=1, ",Meth:"=35, retValue_acc=1, tmp___2=169, retValue_acc=1, ") "=22, splverifierCounter=0, "Env(Water:%i"=0, "OK"=0, "CRIT"=0, ",Meth:"=0, "OK"=33, head=0, ") "=0, "\n"=0, "Off"=23, "Off"=0, ",Pump:"=0, "On"=28, "Env(Water:%i"=8, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d291eb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a28b8b5=0, ")"=0, "__utac__get_this_argtype"=40, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=36, "i > 0 && i <= this->argsCount"=19} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 409]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L235] FCALL "Env(Water:%i" [L236] FCALL ",Meth:" [L240] FCALL "CRIT" [L244] FCALL "OK" [L248] FCALL ")" [L344] FCALL "Pump(System:" [L348] FCALL "On" [L352] FCALL "Off" [L356] FCALL ",Pump:" [L360] FCALL "On" [L364] FCALL "Off" [L368] FCALL ") " [L370] FCALL "\n" [L765] FCALL "i > 0 && i <= this->argsCount" [L765] FCALL "libacc.c" [L766] FCALL "__utac__get_this_arg" [L772] FCALL "i > 0 && i <= this->argsCount" [L772] FCALL "libacc.c" [L773] FCALL "__utac__get_this_arg" [L811] FCALL "i > 0 && i <= this->argsCount" [L811] FCALL "libacc.c" [L812] FCALL "__utac__get_this_argtype" [L818] FCALL "i > 0 && i <= this->argsCount" [L818] FCALL "libacc.c" [L819] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L183] int waterLevel = 1; [L184] int methaneLevelCritical = 0; [L268] int pumpRunning = 0; [L269] int systemActive = 1; [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L400] int splverifierCounter ; [L401] int tmp ; [L402] int tmp___0 ; [L403] int tmp___1 ; [L404] int tmp___2 ; [L407] splverifierCounter = 0 Loop: [L409] COND TRUE 1 [L411] COND TRUE splverifierCounter < 4 [L417] tmp = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp)) [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___0)) [L437] tmp___2 = __VERIFIER_nondet_int() [L439] COND TRUE \read(tmp___2) [L441] CALL startSystem() [L394] RET systemActive = 1 [L441] startSystem() [L456] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] FCALL processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L844] int tmp ; [L845] int tmp___0 ; [L849] CALL, EXPR getWaterLevel() [L254] int retValue_acc ; [L257] retValue_acc = waterLevel [L258] RET return (retValue_acc); [L849] EXPR getWaterLevel() [L849] tmp = getWaterLevel() [L851] COND FALSE, RET !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L456] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...