./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01_false-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_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/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 ccadd62ee8105295b69b007526cf1ebacb802621 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:05:14,582 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:05:14,583 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:05:14,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:05:14,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:05:14,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:05:14,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:05:14,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:05:14,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:05:14,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:05:14,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:05:14,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:05:14,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:05:14,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:05:14,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:05:14,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:05:14,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:05:14,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:05:14,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:05:14,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:05:14,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:05:14,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:05:14,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:05:14,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:05:14,604 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:05:14,605 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:05:14,605 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:05:14,606 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:05:14,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:05:14,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:05:14,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:05:14,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:05:14,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:05:14,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:05:14,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:05:14,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:05:14,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:05:14,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:05:14,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:05:14,619 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:05:14,620 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:05:14,620 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:05:14,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:05:14,621 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:05:14,621 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:05:14,621 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:05:14,621 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:05:14,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:05:14,621 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:05:14,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:05:14,622 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:05:14,623 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:05:14,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:05:14,624 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:05:14,624 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:05:14,624 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:05:14,624 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:05:14,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:05:14,624 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:05:14,625 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:05:14,625 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:05:14,625 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:05:14,626 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:05:14,626 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_a749a962-2aab-42a9-a46e-b714a4c9456c/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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2018-11-18 11:05:14,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:05:14,660 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:05:14,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:05:14,663 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:05:14,663 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:05:14,664 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c [2018-11-18 11:05:14,702 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/data/0a4e88937/e5fba0a86d964b26b513f7eb3eb23dd0/FLAGd847e6c0c [2018-11-18 11:05:15,120 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:05:15,120 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/sv-benchmarks/c/product-lines/minepump_spec3_product01_false-unreach-call_false-termination.cil.c [2018-11-18 11:05:15,127 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/data/0a4e88937/e5fba0a86d964b26b513f7eb3eb23dd0/FLAGd847e6c0c [2018-11-18 11:05:15,139 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/data/0a4e88937/e5fba0a86d964b26b513f7eb3eb23dd0 [2018-11-18 11:05:15,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:05:15,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:05:15,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:15,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:05:15,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:05:15,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15, skipping insertion in model container [2018-11-18 11:05:15,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:05:15,182 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:05:15,368 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:15,377 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:05:15,470 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:05:15,485 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:05:15,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15 WrapperNode [2018-11-18 11:05:15,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:05:15,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:15,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:05:15,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:05:15,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:05:15,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:05:15,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:05:15,526 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:05:15,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... [2018-11-18 11:05:15,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:05:15,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:05:15,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:05:15,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:05:15,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/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 11:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:05:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:05:16,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:05:16,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:16 BoogieIcfgContainer [2018-11-18 11:05:16,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:05:16,065 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:05:16,065 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:05:16,068 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:05:16,068 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:05:16,068 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:05:15" (1/3) ... [2018-11-18 11:05:16,069 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72a39c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:05:16, skipping insertion in model container [2018-11-18 11:05:16,069 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:05:16,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:05:15" (2/3) ... [2018-11-18 11:05:16,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72a39c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:05:16, skipping insertion in model container [2018-11-18 11:05:16,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:05:16,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:16" (3/3) ... [2018-11-18 11:05:16,071 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01_false-unreach-call_false-termination.cil.c [2018-11-18 11:05:16,107 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:05:16,107 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:05:16,107 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:05:16,107 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:05:16,107 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:05:16,108 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:05:16,108 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:05:16,108 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:05:16,108 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:05:16,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states. [2018-11-18 11:05:16,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 11:05:16,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:05:16,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:05:16,144 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:05:16,144 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 11:05:16,144 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:05:16,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states. [2018-11-18 11:05:16,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2018-11-18 11:05:16,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:05:16,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:05:16,148 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:05:16,148 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 11:05:16,152 INFO L794 eck$LassoCheckResult]: Stem: 47#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(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 51#L249true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 38#L242true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 64#L257true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 69#L389true assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 30#L366true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L169-3true [2018-11-18 11:05:16,152 INFO L796 eck$LassoCheckResult]: Loop: 33#L169-3true assume true; 42#L169-1true assume !false; 76#L170true assume test_~splverifierCounter~0 < 4; 18#L171true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 14#L179true assume !(0 != test_~tmp~0); 9#L179-2true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 74#L189true assume !(0 != test_~tmp___0~0); 72#L189-2true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 55#L199true assume 0 != test_~tmp___2~0; 48#L205-2true assume { :begin_inline_timeShift } true; 67#L56true assume !(0 != ~pumpRunning~0); 62#L56-2true assume !(0 != ~systemActive~0); 45#L63-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 17#L446true __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 73#L273true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1; 63#L279-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 15#L73true assume { :end_inline_timeShift } true; 33#L169-3true [2018-11-18 11:05:16,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:16,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:05:16,159 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:16,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:16,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:16,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:16,309 INFO L82 PathProgramCache]: Analyzing trace with hash 975310853, now seen corresponding path program 1 times [2018-11-18 11:05:16,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:16,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:16,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:16,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:16,319 INFO L82 PathProgramCache]: Analyzing trace with hash 43629249, now seen corresponding path program 1 times [2018-11-18 11:05:16,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:16,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:16,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:16,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:05:16,432 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 11:05:16,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:05:16,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:05:16,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:05:16,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:05:16,509 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 6 states. [2018-11-18 11:05:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:05:16,635 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2018-11-18 11:05:16,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:05:16,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 99 transitions. [2018-11-18 11:05:16,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 11:05:16,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 70 states and 89 transitions. [2018-11-18 11:05:16,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2018-11-18 11:05:16,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2018-11-18 11:05:16,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 89 transitions. [2018-11-18 11:05:16,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:05:16,645 INFO L705 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2018-11-18 11:05:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 89 transitions. [2018-11-18 11:05:16,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-11-18 11:05:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-18 11:05:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2018-11-18 11:05:16,671 INFO L728 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2018-11-18 11:05:16,671 INFO L608 BuchiCegarLoop]: Abstraction has 70 states and 89 transitions. [2018-11-18 11:05:16,671 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:05:16,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 89 transitions. [2018-11-18 11:05:16,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 11:05:16,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:05:16,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:05:16,673 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:05:16,673 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 11:05:16,674 INFO L794 eck$LassoCheckResult]: Stem: 230#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(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 199#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 200#L249 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 223#L242 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 224#L257 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 242#L389 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 214#L366 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 198#L169-3 [2018-11-18 11:05:16,674 INFO L796 eck$LassoCheckResult]: Loop: 198#L169-3 assume true; 217#L169-1 assume !false; 225#L170 assume test_~splverifierCounter~0 < 4; 203#L171 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 195#L179 assume !(0 != test_~tmp~0); 187#L179-2 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 188#L189 assume !(0 != test_~tmp___0~0); 246#L189-2 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 237#L199 assume 0 != test_~tmp___2~0; 231#L205-2 assume { :begin_inline_timeShift } true; 232#L56 assume !(0 != ~pumpRunning~0); 189#L56-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 185#L80 assume { :end_inline_processEnvironment } true; 186#L63-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 201#L446 __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 202#L273 assume 0 != __utac_acc__Specification3_spec__1_~tmp~1; 235#L279-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 197#L73 assume { :end_inline_timeShift } true; 198#L169-3 [2018-11-18 11:05:16,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:16,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:05:16,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:16,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:16,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:16,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:16,715 INFO L82 PathProgramCache]: Analyzing trace with hash 798341925, now seen corresponding path program 1 times [2018-11-18 11:05:16,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:16,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:16,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,716 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:05:16,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:16,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:16,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1980983273, now seen corresponding path program 1 times [2018-11-18 11:05:16,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:16,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:05:16,802 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 11:05:16,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:05:16,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:05:16,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:05:16,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:05:16,857 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. cyclomatic complexity: 21 Second operand 5 states. [2018-11-18 11:05:17,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:05:17,004 INFO L93 Difference]: Finished difference Result 227 states and 292 transitions. [2018-11-18 11:05:17,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:05:17,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 292 transitions. [2018-11-18 11:05:17,010 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-18 11:05:17,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 227 states and 292 transitions. [2018-11-18 11:05:17,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 227 [2018-11-18 11:05:17,013 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 227 [2018-11-18 11:05:17,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 227 states and 292 transitions. [2018-11-18 11:05:17,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:05:17,014 INFO L705 BuchiCegarLoop]: Abstraction has 227 states and 292 transitions. [2018-11-18 11:05:17,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states and 292 transitions. [2018-11-18 11:05:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 133. [2018-11-18 11:05:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-18 11:05:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 167 transitions. [2018-11-18 11:05:17,024 INFO L728 BuchiCegarLoop]: Abstraction has 133 states and 167 transitions. [2018-11-18 11:05:17,024 INFO L608 BuchiCegarLoop]: Abstraction has 133 states and 167 transitions. [2018-11-18 11:05:17,024 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:05:17,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 167 transitions. [2018-11-18 11:05:17,025 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2018-11-18 11:05:17,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:05:17,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:05:17,027 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:05:17,027 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] [2018-11-18 11:05:17,028 INFO L794 eck$LassoCheckResult]: Stem: 551#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(3);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 79];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 110];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 79];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 102];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 44];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 80];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 117];#memory_int := #memory_int[#t~string8.base,3 + #t~string8.offset := 109];#memory_int := #memory_int[#t~string8.base,4 + #t~string8.offset := 112];#memory_int := #memory_int[#t~string8.base,5 + #t~string8.offset := 58];#memory_int := #memory_int[#t~string8.base,6 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 41];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 32];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 10];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 514#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 515#L249 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 540#L242 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 541#L257 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 567#L389 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 532#L366 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 533#L169-3 [2018-11-18 11:05:17,028 INFO L796 eck$LassoCheckResult]: Loop: 533#L169-3 assume true; 614#L169-1 assume !false; 612#L170 assume test_~splverifierCounter~0 < 4; 613#L171 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 510#L179 assume !(0 != test_~tmp~0); 502#L179-2 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 503#L189 assume !(0 != test_~tmp___0~0); 574#L189-2 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 576#L199 assume 0 != test_~tmp___2~0; 623#L205-2 assume { :begin_inline_timeShift } true; 621#L56 assume !(0 != ~pumpRunning~0); 619#L56-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 618#L80 assume { :end_inline_processEnvironment } true; 617#L63-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 516#L446 __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 517#L273 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 579#L478 __utac_acc__Specification3_spec__1_#t~ret23 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 580#L279 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 616#L279-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 615#L73 assume { :end_inline_timeShift } true; 533#L169-3 [2018-11-18 11:05:17,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:17,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:05:17,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:17,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:17,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:17,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:17,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:17,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:17,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1591305640, now seen corresponding path program 1 times [2018-11-18 11:05:17,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:17,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:17,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:17,071 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:05:17,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:17,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:05:17,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1055663644, now seen corresponding path program 1 times [2018-11-18 11:05:17,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:05:17,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:05:17,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:17,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:05:17,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:05:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:05:58,443 WARN L180 SmtUtils]: Spent 41.26 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:06:21,609 WARN L180 SmtUtils]: Spent 23.17 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:06:21,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:06:21 BoogieIcfgContainer [2018-11-18 11:06:21,677 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:06:21,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:06:21,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:06:21,678 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:06:21,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:05:16" (3/4) ... [2018-11-18 11:06:21,680 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:06:21,720 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a749a962-2aab-42a9-a46e-b714a4c9456c/bin-2019/uautomizer/witness.graphml [2018-11-18 11:06:21,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:06:21,721 INFO L168 Benchmark]: Toolchain (without parser) took 66579.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 275.8 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -297.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:06:21,721 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 11:06:21,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -195.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:06:21,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.59 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:06:21,722 INFO L168 Benchmark]: Boogie Preprocessor took 18.90 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 11:06:21,722 INFO L168 Benchmark]: RCFGBuilder took 519.93 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: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:06:21,723 INFO L168 Benchmark]: BuchiAutomizer took 65611.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.8 MB). Peak memory consumption was 319.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:06:21,724 INFO L168 Benchmark]: Witness Printer took 43.04 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:06:21,725 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 342.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -195.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.59 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.90 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 519.93 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: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 65611.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 114.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -185.8 MB). Peak memory consumption was 319.9 MB. Max. memory is 11.5 GB. * Witness Printer took 43.04 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 133 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 65.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 133 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 213 SDtfs, 662 SDslu, 360 SDs, 0 SdLazy, 53 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 169]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "libacc.c"=0, "On"=19, "libacc.c"=38, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=34, "libacc.c"=33, "__utac__get_this_arg"=37, methaneLevelCritical=0, ",Pump:"=20, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "OK"=40, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=11, "libacc.c"=0, "Pump(System:"=23, tmp___1=0, ",Meth:"=12, "On"=0, ",Pump:"=0, "Off"=0, "Pump(System:"=0, tmp=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41868c96=0, "CRIT"=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@95b56ab=0, ") "=17, tmp___0=1, "Env(Water:%i"=0, ",Meth:"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, ") "=0, "libacc.c"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a151eac=0, "Off"=0, "Off"=18, "On"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79d72ec9=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "On"=22, \result=1, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=26, \result=0, "i > 0 && i <= this->argsCount"=29, tmp=1, "\n"=0, ")"=0, "OK"=0, ")"=27, retValue_acc=1, "libacc.c"=28, retValue_acc=1, tmp___2=159, splverifierCounter=0, "__utac__get_this_arg"=0, \result=0, "Off"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ca4d7b3=159, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46dfc066=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@606081c=0, "__utac__get_this_arg"=35, tmp___1=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14a56af2=0, "Env(Water:%i"=15, "\n"=16, "CRIT"=0, "i > 0 && i <= this->argsCount"=39, "__utac__get_this_argtype"=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 169]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L124] FCALL "Pump(System:" [L128] FCALL "On" [L132] FCALL "Off" [L136] FCALL ",Pump:" [L140] FCALL "On" [L144] FCALL "Off" [L148] FCALL ") " [L150] FCALL "\n" [L455] FCALL "Env(Water:%i" [L456] FCALL ",Meth:" [L460] FCALL "CRIT" [L464] FCALL "OK" [L468] FCALL ")" [L780] FCALL "i > 0 && i <= this->argsCount" [L780] FCALL "libacc.c" [L781] FCALL "__utac__get_this_arg" [L787] FCALL "i > 0 && i <= this->argsCount" [L787] FCALL "libacc.c" [L788] FCALL "__utac__get_this_arg" [L826] FCALL "i > 0 && i <= this->argsCount" [L826] FCALL "libacc.c" [L827] FCALL "__utac__get_this_argtype" [L833] FCALL "i > 0 && i <= this->argsCount" [L833] FCALL "libacc.c" [L834] FCALL "__utac__get_this_argtype" [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L380] int retValue_acc ; [L381] int tmp ; [L385] FCALL select_helpers() [L386] FCALL select_features() [L387] CALL, EXPR valid_product() [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] RET return (retValue_acc); [L387] EXPR valid_product() [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L391] FCALL setup() [L392] CALL runTest() [L374] CALL test() [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 Loop: [L169] COND TRUE 1 [L171] COND TRUE splverifierCounter < 4 [L177] tmp = __VERIFIER_nondet_int() [L179] COND FALSE !(\read(tmp)) [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) [L212] CALL timeShift() [L56] COND FALSE !(\read(pumpRunning)) [L63] COND TRUE \read(systemActive) [L65] FCALL processEnvironment() [L71] CALL __utac_acc__Specification3_spec__1() [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; [L271] CALL, EXPR isMethaneLevelCritical() [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] RET return (retValue_acc); [L271] EXPR isMethaneLevelCritical() [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L277] CALL, EXPR getWaterLevel() [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] RET return (retValue_acc); [L277] EXPR getWaterLevel() [L277] tmp___0 = getWaterLevel() [L279] COND FALSE, RET !(tmp___0 == 2) [L71] RET __utac_acc__Specification3_spec__1() [L212] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...