./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11_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_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/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 f23bb253fda469390163082e0c766ae9a3058c00 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:47:07,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:47:07,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:47:07,677 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:47:07,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:47:07,680 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:47:07,681 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:47:07,682 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:47:07,684 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:47:07,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:47:07,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:47:07,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:47:07,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:47:07,686 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:47:07,688 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:47:07,689 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:47:07,689 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:47:07,691 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:47:07,692 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:47:07,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:47:07,694 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:47:07,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:47:07,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:47:07,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:47:07,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:47:07,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:47:07,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:47:07,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:47:07,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:47:07,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:47:07,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:47:07,702 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:47:07,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:47:07,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:47:07,703 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:47:07,704 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:47:07,704 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:47:07,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:47:07,716 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:47:07,716 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:47:07,717 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:47:07,717 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:47:07,718 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:47:07,718 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:47:07,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:47:07,720 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:47:07,720 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:47:07,721 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:47:07,721 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:47:07,721 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_2f8765a0-a24c-4ea3-9fc2-add472017f74/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 -> f23bb253fda469390163082e0c766ae9a3058c00 [2018-11-18 11:47:07,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:47:07,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:47:07,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:47:07,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:47:07,758 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:47:07,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2018-11-18 11:47:07,802 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/data/6ebda7031/a2c28f685f9d467abf9f4b0faaf8aa4a/FLAG06f30c08f [2018-11-18 11:47:08,188 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:47:08,188 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/sv-benchmarks/c/product-lines/minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2018-11-18 11:47:08,196 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/data/6ebda7031/a2c28f685f9d467abf9f4b0faaf8aa4a/FLAG06f30c08f [2018-11-18 11:47:08,579 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/data/6ebda7031/a2c28f685f9d467abf9f4b0faaf8aa4a [2018-11-18 11:47:08,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:47:08,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:47:08,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:47:08,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:47:08,586 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:47:08,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:47:08" (1/1) ... [2018-11-18 11:47:08,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f87d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:08, skipping insertion in model container [2018-11-18 11:47:08,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:47:08" (1/1) ... [2018-11-18 11:47:08,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:47:08,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:47:08,868 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:47:08,882 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:47:08,973 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:47:09,053 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:47:09,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09 WrapperNode [2018-11-18 11:47:09,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:47:09,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:47:09,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:47:09,054 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:47:09,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:47:09,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:47:09,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:47:09,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:47:09,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... [2018-11-18 11:47:09,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:47:09,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:47:09,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:47:09,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:47:09,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/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 11:47:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:47:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:47:09,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:47:09,888 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:47:09,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:47:09 BoogieIcfgContainer [2018-11-18 11:47:09,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:47:09,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:47:09,889 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:47:09,892 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:47:09,893 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:47:09,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:47:08" (1/3) ... [2018-11-18 11:47:09,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c81e23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:47:09, skipping insertion in model container [2018-11-18 11:47:09,894 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:47:09,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:09" (2/3) ... [2018-11-18 11:47:09,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c81e23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:47:09, skipping insertion in model container [2018-11-18 11:47:09,895 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:47:09,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:47:09" (3/3) ... [2018-11-18 11:47:09,896 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product11_true-unreach-call_false-termination.cil.c [2018-11-18 11:47:09,950 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:47:09,951 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:47:09,951 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:47:09,951 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:47:09,951 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:47:09,951 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:47:09,951 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:47:09,951 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:47:09,951 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:47:09,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 11:47:09,988 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 11:47:09,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:47:09,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:47:09,995 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:47:09,995 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:47:09,995 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:47:09,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 11:47:09,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 11:47:09,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:47:09,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:47:09,999 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:47:09,999 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:47:10,004 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(13);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 77];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 101];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 116];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 104];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 67];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 82];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 73];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 84];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 75];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];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~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);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);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#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; 49#L166true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#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; 81#L174true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 76#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 29#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 23#L337-3true [2018-11-18 11:47:10,005 INFO L796 eck$LassoCheckResult]: Loop: 23#L337-3true assume true; 43#L337-1true assume !false; 54#L338true assume test_~splverifierCounter~0 < 4; 74#L339true test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 18#L347true assume !(0 != test_~tmp~2); 3#L347-2true test_~tmp___0~0 := test_#t~nondet21;havoc test_#t~nondet21; 82#L357true assume !(0 != test_~tmp___0~0); 62#L357-2true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 60#L367true assume 0 != test_~tmp___2~0; 15#L373-2true assume { :begin_inline_timeShift } true; 40#L194true assume !(0 != ~pumpRunning~0); 37#L194-2true assume !(0 != ~systemActive~0); 12#L201-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 51#L447true __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 65#L492true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 67#L492-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 68#L211true assume { :end_inline_timeShift } true; 23#L337-3true [2018-11-18 11:47:10,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:47:10,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:47:10,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:47:10,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:47:10,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:10,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:47:10,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:10,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:47:10,232 INFO L82 PathProgramCache]: Analyzing trace with hash 169425203, now seen corresponding path program 1 times [2018-11-18 11:47:10,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:47:10,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:47:10,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:10,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:47:10,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:10,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:47:10,246 INFO L82 PathProgramCache]: Analyzing trace with hash -762256401, now seen corresponding path program 1 times [2018-11-18 11:47:10,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:47:10,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:47:10,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:10,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:47:10,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:10,469 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 11:47:10,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:47:10,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:47:10,660 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-18 11:47:10,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:47:10,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:47:10,683 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-11-18 11:47:11,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:47:11,022 INFO L93 Difference]: Finished difference Result 215 states and 269 transitions. [2018-11-18 11:47:11,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:47:11,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 269 transitions. [2018-11-18 11:47:11,027 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 137 [2018-11-18 11:47:11,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 185 states and 239 transitions. [2018-11-18 11:47:11,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2018-11-18 11:47:11,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2018-11-18 11:47:11,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 239 transitions. [2018-11-18 11:47:11,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:47:11,036 INFO L705 BuchiCegarLoop]: Abstraction has 185 states and 239 transitions. [2018-11-18 11:47:11,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 239 transitions. [2018-11-18 11:47:11,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 122. [2018-11-18 11:47:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 11:47:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2018-11-18 11:47:11,068 INFO L728 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2018-11-18 11:47:11,068 INFO L608 BuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2018-11-18 11:47:11,068 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:47:11,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2018-11-18 11:47:11,070 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2018-11-18 11:47:11,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:47:11,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:47:11,071 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:47:11,071 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 11:47:11,071 INFO L794 eck$LassoCheckResult]: Stem: 355#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(13);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 77];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 101];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 116];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 104];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 67];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 82];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 73];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 84];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 75];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 0];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~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);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);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 329#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; 330#L166 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365#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; 379#L174 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 382#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 348#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 340#L337-3 [2018-11-18 11:47:11,072 INFO L796 eck$LassoCheckResult]: Loop: 340#L337-3 assume true; 341#L337-1 assume !false; 360#L338 assume test_~splverifierCounter~0 < 4; 371#L339 test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 333#L347 assume !(0 != test_~tmp~2); 316#L347-2 test_~tmp___0~0 := test_#t~nondet21;havoc test_#t~nondet21; 317#L357 assume !(0 != test_~tmp___0~0); 376#L357-2 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 375#L367 assume 0 != test_~tmp___2~0; 331#L373-2 assume { :begin_inline_timeShift } true; 332#L194 assume !(0 != ~pumpRunning~0); 343#L194-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 354#L218 assume { :end_inline_processEnvironment } true; 326#L201-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 327#L447 __utac_acc__Specification1_spec__1_#t~ret34 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret34;havoc __utac_acc__Specification1_spec__1_#t~ret34; 367#L492 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 377#L492-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 378#L211 assume { :end_inline_timeShift } true; 340#L337-3 [2018-11-18 11:47:11,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:47:11,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:47:11,072 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:47:11,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:47:11,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:11,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:47:11,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:11,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:47:11,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1585293662, now seen corresponding path program 1 times [2018-11-18 11:47:11,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:47:11,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:47:11,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:11,122 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:47:11,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:11,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:47:11,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1527032286, now seen corresponding path program 1 times [2018-11-18 11:47:11,131 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:47:11,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:47:11,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:11,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:47:11,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:47:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:47:11,365 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 11:47:11,473 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 11:48:22,672 WARN L180 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:48:58,864 WARN L180 SmtUtils]: Spent 36.19 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:48:58,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:48:58 BoogieIcfgContainer [2018-11-18 11:48:58,927 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:48:58,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:48:58,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:48:58,927 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:48:58,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:47:09" (3/4) ... [2018-11-18 11:48:58,930 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:48:58,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f8765a0-a24c-4ea3-9fc2-add472017f74/bin-2019/uautomizer/witness.graphml [2018-11-18 11:48:58,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:48:58,972 INFO L168 Benchmark]: Toolchain (without parser) took 110389.38 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 956.6 MB in the beginning and 860.7 MB in the end (delta: 95.9 MB). Peak memory consumption was 321.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,972 INFO L168 Benchmark]: CDTParser took 0.15 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 11:48:58,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -214.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.82 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,973 INFO L168 Benchmark]: Boogie Preprocessor took 32.08 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,973 INFO L168 Benchmark]: RCFGBuilder took 740.19 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: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,974 INFO L168 Benchmark]: BuchiAutomizer took 109037.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 865.5 MB in the end (delta: 235.1 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,974 INFO L168 Benchmark]: Witness Printer took 43.58 ms. Allocated memory is still 1.3 GB. Free memory was 865.5 MB in the beginning and 860.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:48:58,977 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 469.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -214.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.82 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.08 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 740.19 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: 60.3 MB). Peak memory consumption was 60.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 109037.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.9 MB). Free memory was 1.1 GB in the beginning and 865.5 MB in the end (delta: 235.1 MB). Peak memory consumption was 287.0 MB. Max. memory is 11.5 GB. * Witness Printer took 43.58 ms. Allocated memory is still 1.3 GB. Free memory was 865.5 MB in the beginning and 860.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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 6 locations. The remainder module has 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 108.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 108.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 122 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 341 SDslu, 577 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 337]: 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 {"Off"=27, NULL=0, "libacc.c"=0, "libacc.c"=16, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "On"=33, "i > 0 && i <= this->argsCount"=35, ",Pump:"=29, "libacc.c"=36, "__utac__get_this_arg"=15, methaneLevelCritical=0, tmp=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, ")"=18, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, "CRIT"=20, tmp___0=0, cleanupTimeShifts=4, "Env(Water:%i"=23, "OK"=19, ") "=26, "Env(Water:%i"=0, ",Meth:"=0, "CRIT"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=11, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, head=0, pumpRunning=0, tmp=1, "i > 0 && i <= this->argsCount"=14, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@321b0522=0, "\n"=0, "i > 0 && i <= this->argsCount"=38, "Off"=0, tmp=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ea454fd=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ceb6b2f=169, "libacc.c"=39, "Pump(System:"=34, retValue_acc=1, tmp___2=169, splverifierCounter=0, "__utac__get_this_arg"=0, "Off"=0, "On"=0, "Pump(System:"=0, \result=0, "Off"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@124b4d93=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4559cb8d=0, "__utac__get_this_arg"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fd579fd=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f4f3533=0, "\n"=24, ",Meth:"=22, "OK"=0, "On"=0, ",Pump:"=0, "On"=28, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 337]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L280] FCALL "Pump(System:" [L284] FCALL "On" [L288] FCALL "Off" [L292] FCALL ",Pump:" [L296] FCALL "On" [L300] FCALL "Off" [L304] FCALL ") " [L306] FCALL "\n" [L456] FCALL "Env(Water:%i" [L457] FCALL ",Meth:" [L461] FCALL "CRIT" [L465] FCALL "OK" [L469] FCALL ")" [L807] FCALL "i > 0 && i <= this->argsCount" [L807] FCALL "libacc.c" [L808] FCALL "__utac__get_this_arg" [L814] FCALL "i > 0 && i <= this->argsCount" [L814] FCALL "libacc.c" [L815] FCALL "__utac__get_this_arg" [L853] FCALL "i > 0 && i <= this->argsCount" [L853] FCALL "libacc.c" [L854] FCALL "__utac__get_this_argtype" [L860] FCALL "i > 0 && i <= this->argsCount" [L860] FCALL "libacc.c" [L861] FCALL "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L186] int pumpRunning = 0; [L187] int systemActive = 1; [L404] int waterLevel = 1; [L405] int methaneLevelCritical = 0; [L679] 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() [L328] int splverifierCounter ; [L329] int tmp ; [L330] int tmp___0 ; [L331] int tmp___1 ; [L332] int tmp___2 ; [L335] splverifierCounter = 0 Loop: [L337] COND TRUE 1 [L339] COND TRUE splverifierCounter < 4 [L345] tmp = __VERIFIER_nondet_int() [L347] COND FALSE !(\read(tmp)) [L355] tmp___0 = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp___0)) [L365] tmp___2 = __VERIFIER_nondet_int() [L367] COND TRUE \read(tmp___2) [L382] CALL timeShift() [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L203] FCALL processEnvironment() [L209] CALL __utac_acc__Specification1_spec__1() [L485] int tmp ; [L486] int tmp___0 ; [L490] CALL, EXPR isMethaneLevelCritical() [L443] int retValue_acc ; [L446] retValue_acc = methaneLevelCritical [L447] RET return (retValue_acc); [L490] EXPR isMethaneLevelCritical() [L490] tmp = isMethaneLevelCritical() [L492] COND FALSE, RET !(\read(tmp)) [L209] RET __utac_acc__Specification1_spec__1() [L382] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...