./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_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_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/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 ffb924ee3454938bf87e2a52362fa3f53467287e .................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:43:40,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:43:40,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:43:40,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:43:40,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:43:40,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:43:40,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:43:40,862 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:43:40,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:43:40,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:43:40,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:43:40,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:43:40,865 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:43:40,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:43:40,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:43:40,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:43:40,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:43:40,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:43:40,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:43:40,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:43:40,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:43:40,872 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:43:40,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:43:40,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:43:40,874 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:43:40,874 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:43:40,875 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:43:40,875 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:43:40,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:43:40,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:43:40,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:43:40,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:43:40,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:43:40,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:43:40,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:43:40,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:43:40,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:43:40,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:43:40,886 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:43:40,887 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:43:40,887 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:43:40,887 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:43:40,888 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:43:40,888 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:43:40,888 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:43:40,888 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:43:40,888 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:43:40,888 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:43:40,888 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:43:40,889 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:43:40,891 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:43:40,891 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:43:40,891 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:43:40,891 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:43:40,891 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:43:40,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:43:40,892 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:43:40,892 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:43:40,892 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:43:40,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:43:40,892 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:43:40,893 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:43:40,893 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_5d380efb-1977-4cba-b8ae-85bc53caad2e/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2018-11-18 08:43:40,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:43:40,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:43:40,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:43:40,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:43:40,929 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:43:40,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-18 08:43:40,975 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/data/0f1de60b0/bc3357c78b7747429ac31a2ef40aadbb/FLAGd94a20544 [2018-11-18 08:43:41,400 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:43:41,401 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-18 08:43:41,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/data/0f1de60b0/bc3357c78b7747429ac31a2ef40aadbb/FLAGd94a20544 [2018-11-18 08:43:41,415 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/data/0f1de60b0/bc3357c78b7747429ac31a2ef40aadbb [2018-11-18 08:43:41,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:43:41,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:43:41,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:43:41,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:43:41,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:43:41,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41, skipping insertion in model container [2018-11-18 08:43:41,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:43:41,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:43:41,638 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:43:41,647 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:43:41,744 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:43:41,759 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:43:41,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41 WrapperNode [2018-11-18 08:43:41,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:43:41,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:43:41,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:43:41,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:43:41,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:43:41,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:43:41,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:43:41,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:43:41,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... [2018-11-18 08:43:41,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:43:41,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:43:41,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:43:41,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:43:41,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/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 08:43:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:43:41,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:43:41,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:43:42,314 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:43:42,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:43:42 BoogieIcfgContainer [2018-11-18 08:43:42,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:43:42,315 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:43:42,315 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:43:42,318 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:43:42,318 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:43:42,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:43:41" (1/3) ... [2018-11-18 08:43:42,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb9c53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:43:42, skipping insertion in model container [2018-11-18 08:43:42,320 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:43:42,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:43:41" (2/3) ... [2018-11-18 08:43:42,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb9c53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:43:42, skipping insertion in model container [2018-11-18 08:43:42,320 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:43:42,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:43:42" (3/3) ... [2018-11-18 08:43:42,322 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-18 08:43:42,355 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:43:42,356 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:43:42,356 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:43:42,356 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:43:42,356 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:43:42,356 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:43:42,356 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:43:42,356 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:43:42,356 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:43:42,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 08:43:42,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 08:43:42,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:43:42,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:43:42,391 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:43:42,391 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 08:43:42,391 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:43:42,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 08:43:42,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 08:43:42,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:43:42,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:43:42,397 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:43:42,397 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 08:43:42,401 INFO L794 eck$LassoCheckResult]: Stem: 69#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 80];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 117];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 109];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 112];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 110];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 32];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 10];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 91#L517true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 34#L510true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 94#L525true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 13#L615true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 101#L591true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L640-3true [2018-11-18 08:43:42,402 INFO L796 eck$LassoCheckResult]: Loop: 6#L640-3true assume true; 8#L640-1true assume !false; 82#L641true assume test_~splverifierCounter~0 < 4; 48#L642true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 56#L650true assume !(0 != test_~tmp~4); 55#L650-2true test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 86#L660true assume !(0 != test_~tmp___0~0); 89#L660-2true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 11#L670true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3#L855true assume { :end_inline_startSystem } true; 15#L678-2true assume { :begin_inline_timeShift } true; 47#L708true assume !(0 != ~pumpRunning~0); 49#L708-2true assume !(0 != ~systemActive~0); 96#L715-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 43#L89-1true __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 16#L868true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 18#L868-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 30#L725true assume { :end_inline_timeShift } true; 6#L640-3true [2018-11-18 08:43:42,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:42,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:43:42,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:43:42,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:43:42,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:43:42,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1861811187, now seen corresponding path program 1 times [2018-11-18 08:43:42,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:43:42,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:43:42,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:43:42,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:43:42,621 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 08:43:42,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:43:42,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:43:42,626 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:43:42,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:43:42,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:43:42,640 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 3 states. [2018-11-18 08:43:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:43:42,670 INFO L93 Difference]: Finished difference Result 96 states and 119 transitions. [2018-11-18 08:43:42,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:43:42,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 119 transitions. [2018-11-18 08:43:42,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 08:43:42,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 86 states and 108 transitions. [2018-11-18 08:43:42,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2018-11-18 08:43:42,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2018-11-18 08:43:42,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 108 transitions. [2018-11-18 08:43:42,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:43:42,682 INFO L705 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 08:43:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 108 transitions. [2018-11-18 08:43:42,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-18 08:43:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 08:43:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2018-11-18 08:43:42,702 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 08:43:42,702 INFO L608 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 08:43:42,702 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:43:42,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 108 transitions. [2018-11-18 08:43:42,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 08:43:42,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:43:42,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:43:42,704 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:43:42,705 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, 1, 1] [2018-11-18 08:43:42,705 INFO L794 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 79];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 110];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 102];#memory_int := #memory_int[#t~string59.base,3 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 44];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 80];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 117];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 109];#memory_int := #memory_int[#t~string61.base,4 + #t~string61.offset := 112];#memory_int := #memory_int[#t~string61.base,5 + #t~string61.offset := 58];#memory_int := #memory_int[#t~string61.base,6 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 79];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 110];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 102];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 41];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 32];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 10];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 210#L517 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 285#L510 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 286#L525 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 246#L615 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 247#L591 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 213#L640-3 [2018-11-18 08:43:42,705 INFO L796 eck$LassoCheckResult]: Loop: 213#L640-3 assume true; 214#L640-1 assume !false; 235#L641 assume test_~splverifierCounter~0 < 4; 276#L642 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 206#L650 assume !(0 != test_~tmp~4); 208#L650-2 test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 283#L660 assume !(0 != test_~tmp___0~0); 212#L660-2 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 238#L670 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 204#L855 assume { :end_inline_startSystem } true; 205#L678-2 assume { :begin_inline_timeShift } true; 255#L708 assume !(0 != ~pumpRunning~0); 225#L708-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 256#L740 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 250#L732-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 249#L740-1 assume { :end_inline_processEnvironment } true; 261#L715-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 289#L89-1 __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 258#L868 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 259#L868-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 262#L725 assume { :end_inline_timeShift } true; 213#L640-3 [2018-11-18 08:43:42,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:42,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:43:42,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:43:42,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:43:42,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:43:42,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:42,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1176259575, now seen corresponding path program 1 times [2018-11-18 08:43:42,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:43:42,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:43:42,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,761 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:43:42,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:43:42,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1627928755, now seen corresponding path program 1 times [2018-11-18 08:43:42,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:43:42,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:43:42,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:43:42,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:43:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:43:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:45:12,232 WARN L180 SmtUtils]: Spent 1.49 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:45:50,161 WARN L180 SmtUtils]: Spent 37.93 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:45:50,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:45:50 BoogieIcfgContainer [2018-11-18 08:45:50,233 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:45:50,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:45:50,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:45:50,234 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:45:50,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:43:42" (3/4) ... [2018-11-18 08:45:50,237 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:45:50,280 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d380efb-1977-4cba-b8ae-85bc53caad2e/bin-2019/uautomizer/witness.graphml [2018-11-18 08:45:50,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:45:50,281 INFO L168 Benchmark]: Toolchain (without parser) took 128863.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 956.6 MB in the beginning and 902.0 MB in the end (delta: 54.6 MB). Peak memory consumption was 282.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:50,282 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:50,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -199.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:50,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:50,283 INFO L168 Benchmark]: Boogie Preprocessor took 24.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:50,283 INFO L168 Benchmark]: RCFGBuilder took 493.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:50,283 INFO L168 Benchmark]: BuchiAutomizer took 127917.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 902.0 MB in the end (delta: 179.4 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:50,283 INFO L168 Benchmark]: Witness Printer took 47.05 ms. Allocated memory is still 1.3 GB. Free memory is still 902.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:50,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -199.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 493.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 127917.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 58.7 MB). Free memory was 1.1 GB in the beginning and 902.0 MB in the end (delta: 179.4 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.05 ms. Allocated memory is still 1.3 GB. Free memory is still 902.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 86 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 127.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 127.7s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 86 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 116 SDtfs, 114 SDslu, 0 SDs, 0 SdLazy, 3 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: 640]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@761dd82e=0, NULL=0, retValue_acc=0, "Pump(System:"=37, "Env(Water:%i"=22, "On"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1006931d=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20f8b40c=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25965a0a=0, "OK"=18, ",Pump:"=0, "On"=34, retValue_acc=0, "libacc.c"=28, "__utac__get_this_argtype"=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6141a90b=0, "i > 0 && i <= this->argsCount"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52005f09=0, "Off"=0, tmp=0, "\n"=0, "libacc.c"=23, "__utac__get_this_arg"=11, ") "=0, tmp___1=0, "libacc.c"=15, tmp___0=0, "i > 0 && i <= this->argsCount"=16, "__utac__get_this_argtype"=27, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=12, "__utac__get_this_argtype"=24, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "\n"=38, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, tmp___0=0, "Pump(System:"=0, "On"=0, \result=1, head=0, pumpRunning=0, "On"=31, \result=0, tmp=1, tmp=0, "__utac__get_this_arg"=0, retValue_acc=1, ") "=39, ",Pump:"=35, "CRIT"=19, tmp___2=157, "__utac__get_this_arg"=14, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "Off"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=17, "Off"=36, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43bb598=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5035c105=0, tmp=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=20, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=26, "Off"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 640]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L423] FCALL "i > 0 && i <= this->argsCount" [L423] FCALL "libacc.c" [L424] FCALL "__utac__get_this_arg" [L430] FCALL "i > 0 && i <= this->argsCount" [L430] FCALL "libacc.c" [L431] FCALL "__utac__get_this_arg" [L469] FCALL "i > 0 && i <= this->argsCount" [L469] FCALL "libacc.c" [L470] FCALL "__utac__get_this_argtype" [L476] FCALL "i > 0 && i <= this->argsCount" [L476] FCALL "libacc.c" [L477] FCALL "__utac__get_this_argtype" [L819] FCALL "Pump(System:" [L823] FCALL "On" [L827] FCALL "Off" [L831] FCALL ",Pump:" [L835] FCALL "On" [L839] FCALL "Off" [L843] FCALL ") " [L845] FCALL "\n" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L530] int cleanupTimeShifts = 4; [L700] int pumpRunning = 0; [L701] int systemActive = 1; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] RET return (retValue_acc); [L613] EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L600] CALL test() [L631] int splverifierCounter ; [L632] int tmp ; [L633] int tmp___0 ; [L634] int tmp___1 ; [L635] int tmp___2 ; [L638] splverifierCounter = 0 Loop: [L640] COND TRUE 1 [L642] COND TRUE splverifierCounter < 4 [L648] tmp = __VERIFIER_nondet_int() [L650] COND FALSE !(\read(tmp)) [L658] tmp___0 = __VERIFIER_nondet_int() [L660] COND FALSE !(\read(tmp___0)) [L668] tmp___2 = __VERIFIER_nondet_int() [L670] COND TRUE \read(tmp___2) [L672] CALL startSystem() [L854] RET systemActive = 1 [L672] startSystem() [L685] CALL timeShift() [L708] COND FALSE !(\read(pumpRunning)) [L715] COND TRUE \read(systemActive) [L717] CALL processEnvironment() [L737] int tmp ; [L740] COND FALSE !(\read(pumpRunning)) [L755] RET, FCALL processEnvironment__wrappee__methaneQuery() [L717] processEnvironment() [L723] CALL __utac_acc__Specification1_spec__1() [L861] int tmp ; [L862] int tmp___0 ; [L866] CALL, EXPR isMethaneLevelCritical() [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] RET return (retValue_acc); [L866] EXPR isMethaneLevelCritical() [L866] tmp = isMethaneLevelCritical() [L868] COND FALSE, RET !(\read(tmp)) [L723] RET __utac_acc__Specification1_spec__1() [L685] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...