./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_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_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/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 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:27:00,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:27:00,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:27:00,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:27:00,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:27:00,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:27:00,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:27:00,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:27:00,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:27:00,670 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:27:00,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:27:00,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:27:00,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:27:00,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:27:00,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:27:00,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:27:00,674 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:27:00,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:27:00,677 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:27:00,678 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:27:00,679 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:27:00,680 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:27:00,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:27:00,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:27:00,682 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:27:00,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:27:00,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:27:00,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:27:00,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:27:00,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:27:00,686 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:27:00,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:27:00,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:27:00,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:27:00,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:27:00,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:27:00,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:27:00,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:27:00,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:27:00,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:27:00,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:27:00,700 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:27:00,701 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:27:00,701 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:27:00,701 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:27:00,701 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:27:00,701 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:27:00,701 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:27:00,701 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:27:00,701 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:27:00,702 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:27:00,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:27:00,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:27:00,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:27:00,704 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:27:00,705 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:27:00,705 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:27:00,705 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:27:00,705 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:27:00,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:27:00,705 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:27:00,705 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:27:00,706 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:27:00,706 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_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/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 -> 1165f07e3d74a20c4613b7b4bc48cc7f6e23e78e [2018-11-18 12:27:00,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:27:00,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:27:00,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:27:00,743 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:27:00,743 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:27:00,744 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-18 12:27:00,787 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/data/39b9e999b/52ad9e8c4f704e39b78b5821a903ff59/FLAGd12c93c98 [2018-11-18 12:27:01,137 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:27:01,138 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/sv-benchmarks/c/product-lines/minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-18 12:27:01,147 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/data/39b9e999b/52ad9e8c4f704e39b78b5821a903ff59/FLAGd12c93c98 [2018-11-18 12:27:01,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/data/39b9e999b/52ad9e8c4f704e39b78b5821a903ff59 [2018-11-18 12:27:01,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:27:01,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:27:01,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:27:01,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:27:01,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:27:01,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5ed404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01, skipping insertion in model container [2018-11-18 12:27:01,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:27:01,583 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:27:01,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:27:01,779 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:27:01,880 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:27:01,895 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:27:01,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01 WrapperNode [2018-11-18 12:27:01,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:27:01,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:27:01,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:27:01,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:27:01,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:27:01,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:27:01,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:27:01,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:27:01,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... [2018-11-18 12:27:01,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:27:01,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:27:01,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:27:01,955 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:27:01,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/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 12:27:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:27:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:27:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:27:02,481 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:27:02,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:27:02 BoogieIcfgContainer [2018-11-18 12:27:02,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:27:02,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:27:02,483 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:27:02,485 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:27:02,486 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:27:02,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:27:01" (1/3) ... [2018-11-18 12:27:02,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@699a1a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:27:02, skipping insertion in model container [2018-11-18 12:27:02,487 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:27:02,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:27:01" (2/3) ... [2018-11-18 12:27:02,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@699a1a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:27:02, skipping insertion in model container [2018-11-18 12:27:02,488 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:27:02,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:27:02" (3/3) ... [2018-11-18 12:27:02,489 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product28_true-unreach-call_false-termination.cil.c [2018-11-18 12:27:02,536 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:27:02,537 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:27:02,537 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:27:02,537 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:27:02,537 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:27:02,537 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:27:02,537 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:27:02,537 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:27:02,537 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:27:02,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2018-11-18 12:27:02,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 12:27:02,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:02,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:02,586 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:02,586 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 12:27:02,586 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:27:02,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2018-11-18 12:27:02,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-18 12:27:02,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:02,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:02,592 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:02,592 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 12:27:02,596 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 14#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 55#L576true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 12#L552true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 71#L460true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L395-3true [2018-11-18 12:27:02,596 INFO L796 eck$LassoCheckResult]: Loop: 13#L395-3true assume true; 28#L395-1true assume !false; 97#L396true assume test_~splverifierCounter~0 < 4; 50#L397true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 74#L405true assume !(0 != test_~tmp~3); 61#L405-2true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 112#L415true assume !(0 != test_~tmp___0~1); 102#L415-2true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 30#L425true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 81#L380true assume { :end_inline_startSystem } true; 46#L433-2true assume { :begin_inline_timeShift } true; 86#L198true assume !(0 != ~pumpRunning~0); 94#L198-2true assume !(0 != ~systemActive~0); 31#L205-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 101#L137true __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 70#L471true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 73#L471-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 82#L215true assume { :end_inline_timeShift } true; 13#L395-3true [2018-11-18 12:27:02,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:02,602 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 12:27:02,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:02,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:02,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:02,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:02,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:02,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:02,792 INFO L82 PathProgramCache]: Analyzing trace with hash 347710873, now seen corresponding path program 1 times [2018-11-18 12:27:02,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:02,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:02,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:02,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:02,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:27:02,824 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 12:27:02,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:27:02,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:27:02,828 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:27:02,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:27:02,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:27:02,838 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 3 states. [2018-11-18 12:27:02,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:27:02,898 INFO L93 Difference]: Finished difference Result 210 states and 272 transitions. [2018-11-18 12:27:02,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:27:02,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 272 transitions. [2018-11-18 12:27:02,904 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2018-11-18 12:27:02,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 190 states and 251 transitions. [2018-11-18 12:27:02,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2018-11-18 12:27:02,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2018-11-18 12:27:02,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 251 transitions. [2018-11-18 12:27:02,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:27:02,912 INFO L705 BuchiCegarLoop]: Abstraction has 190 states and 251 transitions. [2018-11-18 12:27:02,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 251 transitions. [2018-11-18 12:27:02,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2018-11-18 12:27:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-11-18 12:27:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 247 transitions. [2018-11-18 12:27:02,939 INFO L728 BuchiCegarLoop]: Abstraction has 187 states and 247 transitions. [2018-11-18 12:27:02,939 INFO L608 BuchiCegarLoop]: Abstraction has 187 states and 247 transitions. [2018-11-18 12:27:02,939 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:27:02,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 247 transitions. [2018-11-18 12:27:02,941 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2018-11-18 12:27:02,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:27:02,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:27:02,942 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:27:02,942 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 12:27:02,942 INFO L794 eck$LassoCheckResult]: Stem: 442#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~8, main_~tmp~5;havoc main_~retValue_acc~8;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 348#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 354#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 345#L73 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 346#L576 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 349#L552 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 350#L460 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 426#L395-3 [2018-11-18 12:27:02,943 INFO L796 eck$LassoCheckResult]: Loop: 426#L395-3 assume true; 462#L395-1 assume !false; 447#L396 assume test_~splverifierCounter~0 < 4; 448#L397 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 433#L405 assume !(0 != test_~tmp~3); 435#L405-2 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 454#L415 assume !(0 != test_~tmp___0~1); 420#L415-2 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 378#L425 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 379#L380 assume { :end_inline_startSystem } true; 397#L433-2 assume { :begin_inline_timeShift } true; 402#L198 assume !(0 != ~pumpRunning~0); 445#L198-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 446#L230 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 453#L222-1 assume { :end_inline_processEnvironment__wrappee__base } true; 335#L230-1 assume { :end_inline_processEnvironment } true; 336#L205-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret35, __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 381#L137 __utac_acc__Specification2_spec__2_#t~ret35 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret35;havoc __utac_acc__Specification2_spec__2_#t~ret35; 467#L471 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 464#L471-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 463#L215 assume { :end_inline_timeShift } true; 426#L395-3 [2018-11-18 12:27:02,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:02,943 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 12:27:02,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:02,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:02,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:02,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:02,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:03,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:03,009 INFO L82 PathProgramCache]: Analyzing trace with hash -49841814, now seen corresponding path program 1 times [2018-11-18 12:27:03,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:03,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:03,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:03,010 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:27:03,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:03,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:27:03,019 INFO L82 PathProgramCache]: Analyzing trace with hash -451218911, now seen corresponding path program 1 times [2018-11-18 12:27:03,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:27:03,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:27:03,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:03,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:27:03,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:27:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:27:43,224 WARN L180 SmtUtils]: Spent 39.97 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 12:28:07,390 WARN L180 SmtUtils]: Spent 24.16 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 12:28:07,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:28:07 BoogieIcfgContainer [2018-11-18 12:28:07,446 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:28:07,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:28:07,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:28:07,446 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:28:07,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:27:02" (3/4) ... [2018-11-18 12:28:07,449 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:28:07,488 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_79bb4ccd-51d9-451e-88f4-2c0077c22cbf/bin-2019/uautomizer/witness.graphml [2018-11-18 12:28:07,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:28:07,489 INFO L168 Benchmark]: Toolchain (without parser) took 65941.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 954.3 MB in the beginning and 836.2 MB in the end (delta: 118.1 MB). Peak memory consumption was 329.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,489 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:28:07,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 954.3 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,490 INFO L168 Benchmark]: Boogie Preprocessor took 21.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,491 INFO L168 Benchmark]: RCFGBuilder took 526.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,491 INFO L168 Benchmark]: BuchiAutomizer took 64963.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 841.7 MB in the end (delta: 214.0 MB). Peak memory consumption was 289.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,491 INFO L168 Benchmark]: Witness Printer took 42.18 ms. Allocated memory is still 1.2 GB. Free memory was 841.7 MB in the beginning and 836.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:28:07,493 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 954.3 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 64963.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 841.7 MB in the end (delta: 214.0 MB). Peak memory consumption was 289.5 MB. Max. memory is 11.5 GB. * Witness Printer took 42.18 ms. Allocated memory is still 1.2 GB. Free memory was 841.7 MB in the beginning and 836.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 187 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 64.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 64.7s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 187 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 133 SDslu, 125 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 395]: 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 {"Pump(System:"=24, NULL=0, ")"=26, "__utac__get_this_arg"=0, "libacc.c"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=15, methaneLevelCritical=0, "OK"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e8a21bd=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, "Env(Water:%i"=29, tmp___1=0, "\n"=16, "On"=19, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@925b286=0, "Off"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45747726=0, "On"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32597d01=171, "Off"=0, "On"=0, ",Pump:"=0, ") "=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=39, "__utac__get_this_arg"=14, retValue_acc=0, ")"=0, "libacc.c"=38, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=28, \result=1, head=0, pumpRunning=0, "libacc.c"=12, \result=0, ",Pump:"=20, "Off"=0, "libacc.c"=36, "__utac__get_this_argtype"=0, "Pump(System:"=0, tmp=1, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@593a7091=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f4927a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d94eae3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f5e7cb2=0, "__utac__get_this_argtype"=37, "__utac__get_this_arg"=35, retValue_acc=1, tmp___2=171, tmp___0=0, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, methAndRunningLastTime=0, \result=0, "CRIT"=11, "__utac__get_this_argtype"=40, tmp=0, "i > 0 && i <= this->argsCount"=33, head=0, "Off"=22, ") "=17, tmp=0, "i > 0 && i <= this->argsCount"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 395]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L146] FCALL "Env(Water:%i" [L147] FCALL ",Meth:" [L151] FCALL "CRIT" [L155] FCALL "OK" [L159] FCALL ")" [L310] FCALL "Pump(System:" [L314] FCALL "On" [L318] FCALL "Off" [L322] FCALL ",Pump:" [L326] FCALL "On" [L330] FCALL "Off" [L334] FCALL ") " [L336] FCALL "\n" [L887] FCALL "i > 0 && i <= this->argsCount" [L887] FCALL "libacc.c" [L888] FCALL "__utac__get_this_arg" [L894] FCALL "i > 0 && i <= this->argsCount" [L894] FCALL "libacc.c" [L895] FCALL "__utac__get_this_arg" [L933] FCALL "i > 0 && i <= this->argsCount" [L933] FCALL "libacc.c" [L934] FCALL "__utac__get_this_argtype" [L940] FCALL "i > 0 && i <= this->argsCount" [L940] FCALL "libacc.c" [L941] FCALL "__utac__get_this_argtype" [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L454] int methAndRunningLastTime ; [L493] int cleanupTimeShifts = 4; [L759] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L567] int retValue_acc ; [L568] int tmp ; [L572] FCALL select_helpers() [L573] FCALL select_features() [L574] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L574] EXPR valid_product() [L574] tmp = valid_product() [L576] COND TRUE \read(tmp) [L578] FCALL setup() [L579] CALL runTest() [L560] CALL __utac_acc__Specification2_spec__1() [L459] RET methAndRunningLastTime = 0 [L560] __utac_acc__Specification2_spec__1() [L561] CALL test() [L386] int splverifierCounter ; [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; [L390] int tmp___2 ; [L393] splverifierCounter = 0 Loop: [L395] COND TRUE 1 [L397] COND TRUE splverifierCounter < 4 [L403] tmp = __VERIFIER_nondet_int() [L405] COND FALSE !(\read(tmp)) [L413] tmp___0 = __VERIFIER_nondet_int() [L415] COND FALSE !(\read(tmp___0)) [L423] tmp___2 = __VERIFIER_nondet_int() [L425] COND TRUE \read(tmp___2) [L427] CALL startSystem() [L379] RET systemActive = 1 [L427] startSystem() [L442] CALL timeShift() [L198] COND FALSE !(\read(pumpRunning)) [L205] COND TRUE \read(systemActive) [L207] CALL processEnvironment() [L227] int tmp ; [L230] COND FALSE !(\read(pumpRunning)) [L245] RET, FCALL processEnvironment__wrappee__base() [L207] processEnvironment() [L213] CALL __utac_acc__Specification2_spec__2() [L464] int tmp ; [L465] int tmp___0 ; [L469] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] RET return (retValue_acc); [L469] EXPR isMethaneLevelCritical() [L469] tmp = isMethaneLevelCritical() [L471] COND FALSE !(\read(tmp)) [L487] RET methAndRunningLastTime = 0 [L213] RET __utac_acc__Specification2_spec__2() [L442] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...