./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_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_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:37:11,559 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:37:11,561 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:37:11,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:37:11,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:37:11,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:37:11,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:37:11,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:37:11,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:37:11,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:37:11,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:37:11,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:37:11,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:37:11,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:37:11,575 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:37:11,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:37:11,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:37:11,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:37:11,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:37:11,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:37:11,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:37:11,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:37:11,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:37:11,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:37:11,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:37:11,585 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:37:11,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:37:11,586 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:37:11,586 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:37:11,587 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:37:11,587 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:37:11,588 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:37:11,588 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:37:11,588 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:37:11,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:37:11,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:37:11,590 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:37:11,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:37:11,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:37:11,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:37:11,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:37:11,602 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:37:11,602 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:37:11,602 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:37:11,602 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:37:11,602 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:37:11,602 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:37:11,602 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:37:11,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:37:11,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:37:11,603 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:37:11,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:37:11,603 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:37:11,603 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:37:11,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:37:11,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:37:11,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:37:11,605 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:37:11,605 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:37:11,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:37:11,605 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:37:11,605 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:37:11,606 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:37:11,606 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_07f906eb-cf31-48b9-abd0-09c323c78ce6/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-11-18 09:37:11,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:37:11,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:37:11,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:37:11,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:37:11,639 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:37:11,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-18 09:37:11,675 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/data/2f1ef9f91/64e5de9898ff425ca617be075c81ebf8/FLAG01de52a8d [2018-11-18 09:37:12,098 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:37:12,099 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-18 09:37:12,105 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/data/2f1ef9f91/64e5de9898ff425ca617be075c81ebf8/FLAG01de52a8d [2018-11-18 09:37:12,115 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/data/2f1ef9f91/64e5de9898ff425ca617be075c81ebf8 [2018-11-18 09:37:12,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:37:12,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:37:12,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:37:12,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:37:12,121 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:37:12,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12, skipping insertion in model container [2018-11-18 09:37:12,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:37:12,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:37:12,353 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:37:12,363 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:37:12,473 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:37:12,494 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:37:12,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12 WrapperNode [2018-11-18 09:37:12,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:37:12,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:37:12,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:37:12,495 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:37:12,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:37:12,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:37:12,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:37:12,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:37:12,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... [2018-11-18 09:37:12,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:37:12,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:37:12,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:37:12,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:37:12,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/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 09:37:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:37:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:37:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:37:13,206 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:37:13,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:13 BoogieIcfgContainer [2018-11-18 09:37:13,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:37:13,208 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:37:13,208 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:37:13,211 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:37:13,212 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:37:13,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:37:12" (1/3) ... [2018-11-18 09:37:13,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f61a5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:37:13, skipping insertion in model container [2018-11-18 09:37:13,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:37:13,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:37:12" (2/3) ... [2018-11-18 09:37:13,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f61a5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:37:13, skipping insertion in model container [2018-11-18 09:37:13,213 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:37:13,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:13" (3/3) ... [2018-11-18 09:37:13,215 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-18 09:37:13,250 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:37:13,251 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:37:13,251 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:37:13,251 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:37:13,251 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:37:13,251 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:37:13,251 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:37:13,251 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:37:13,251 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:37:13,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 09:37:13,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 09:37:13,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:13,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:13,293 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:13,293 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 09:37:13,294 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:37:13,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states. [2018-11-18 09:37:13,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-18 09:37:13,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:13,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:13,300 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:13,300 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 09:37:13,304 INFO L794 eck$LassoCheckResult]: Stem: 118#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 133#L115true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L108true 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; 139#L123true main_#t~ret27 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; 21#L475true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 127#L451true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 162#L57true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 142#L335-3true [2018-11-18 09:37:13,304 INFO L796 eck$LassoCheckResult]: Loop: 142#L335-3true assume true; 136#L335-1true assume !false; 105#L336true assume test_~splverifierCounter~0 < 4; 33#L337true test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 38#L345true assume !(0 != test_~tmp~4); 39#L345-2true test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 109#L355true assume !(0 != test_~tmp___0~2); 111#L355-2true test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 5#L365true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet26;havoc test_#t~nondet26; 25#L373true assume 0 != test_~tmp___1~0; 16#L373-2true assume { :begin_inline_timeShift } true; 107#L143true assume !(0 != ~pumpRunning~0); 124#L143-2true assume !(0 != ~systemActive~0); 29#L150-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 147#L533-1true __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 164#L68true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 160#L68-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 98#L160true assume { :end_inline_timeShift } true; 142#L335-3true [2018-11-18 09:37:13,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:13,309 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:37:13,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:13,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:13,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:13,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:13,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:13,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1724808826, now seen corresponding path program 1 times [2018-11-18 09:37:13,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:13,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:13,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:13,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:13,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:13,490 INFO L82 PathProgramCache]: Analyzing trace with hash 385456419, now seen corresponding path program 1 times [2018-11-18 09:37:13,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:13,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:13,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:13,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:37:13,626 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 09:37:13,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:37:13,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:37:13,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:37:13,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:37:13,772 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 6 states. [2018-11-18 09:37:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:37:13,923 INFO L93 Difference]: Finished difference Result 160 states and 209 transitions. [2018-11-18 09:37:13,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:37:13,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 209 transitions. [2018-11-18 09:37:13,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 09:37:13,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 150 states and 199 transitions. [2018-11-18 09:37:13,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2018-11-18 09:37:13,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2018-11-18 09:37:13,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 199 transitions. [2018-11-18 09:37:13,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:37:13,937 INFO L705 BuchiCegarLoop]: Abstraction has 150 states and 199 transitions. [2018-11-18 09:37:13,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 199 transitions. [2018-11-18 09:37:13,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 09:37:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 09:37:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 199 transitions. [2018-11-18 09:37:13,968 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 199 transitions. [2018-11-18 09:37:13,968 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 199 transitions. [2018-11-18 09:37:13,968 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:37:13,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 199 transitions. [2018-11-18 09:37:13,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2018-11-18 09:37:13,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:13,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:13,971 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:13,971 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, 1, 1] [2018-11-18 09:37:13,971 INFO L794 eck$LassoCheckResult]: Stem: 479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 362#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 363#L115 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 444#L108 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; 445#L123 main_#t~ret27 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; 378#L475 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 379#L451 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 481#L57 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 473#L335-3 [2018-11-18 09:37:13,971 INFO L796 eck$LassoCheckResult]: Loop: 473#L335-3 assume true; 486#L335-1 assume !false; 476#L336 assume test_~splverifierCounter~0 < 4; 397#L337 test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 398#L345 assume !(0 != test_~tmp~4); 383#L345-2 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 405#L355 assume !(0 != test_~tmp___0~2); 478#L355-2 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 346#L365 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 347#L318 assume { :end_inline_startSystem } true; 366#L373-2 assume { :begin_inline_timeShift } true; 367#L143 assume !(0 != ~pumpRunning~0); 427#L143-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 465#L201 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 375#L175-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 376#L167-3 assume { :end_inline_processEnvironment__wrappee__base } true; 371#L175-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 372#L201-1 assume { :end_inline_processEnvironment } true; 389#L150-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 390#L533-1 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 488#L68 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 361#L68-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 472#L160 assume { :end_inline_timeShift } true; 473#L335-3 [2018-11-18 09:37:13,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:13,972 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:37:13,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:13,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:13,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:13,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:14,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1031219551, now seen corresponding path program 1 times [2018-11-18 09:37:14,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:14,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:14,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,020 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:37:14,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:37:14,032 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 09:37:14,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:37:14,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:37:14,032 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:37:14,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:37:14,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:37:14,033 INFO L87 Difference]: Start difference. First operand 150 states and 199 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-18 09:37:14,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:37:14,104 INFO L93 Difference]: Finished difference Result 211 states and 270 transitions. [2018-11-18 09:37:14,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:37:14,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 270 transitions. [2018-11-18 09:37:14,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2018-11-18 09:37:14,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 270 transitions. [2018-11-18 09:37:14,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2018-11-18 09:37:14,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2018-11-18 09:37:14,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 270 transitions. [2018-11-18 09:37:14,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:37:14,110 INFO L705 BuchiCegarLoop]: Abstraction has 211 states and 270 transitions. [2018-11-18 09:37:14,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 270 transitions. [2018-11-18 09:37:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-11-18 09:37:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 09:37:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 270 transitions. [2018-11-18 09:37:14,119 INFO L728 BuchiCegarLoop]: Abstraction has 211 states and 270 transitions. [2018-11-18 09:37:14,119 INFO L608 BuchiCegarLoop]: Abstraction has 211 states and 270 transitions. [2018-11-18 09:37:14,119 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:37:14,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 270 transitions. [2018-11-18 09:37:14,120 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2018-11-18 09:37:14,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:37:14,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:37:14,122 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:14,122 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:37:14,123 INFO L794 eck$LassoCheckResult]: Stem: 849#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 729#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret27, main_~retValue_acc~5, main_~tmp~5;havoc main_~retValue_acc~5;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 730#L115 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 813#L108 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; 814#L123 main_#t~ret27 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret27;havoc main_#t~ret27; 744#L475 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 745#L451 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 851#L57 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 841#L335-3 [2018-11-18 09:37:14,123 INFO L796 eck$LassoCheckResult]: Loop: 841#L335-3 assume true; 856#L335-1 assume !false; 844#L336 assume test_~splverifierCounter~0 < 4; 765#L337 test_~tmp~4 := test_#t~nondet23;havoc test_#t~nondet23; 766#L345 assume !(0 != test_~tmp~4); 749#L345-2 test_~tmp___0~2 := test_#t~nondet24;havoc test_#t~nondet24; 772#L355 assume !(0 != test_~tmp___0~2); 847#L355-2 test_~tmp___2~0 := test_#t~nondet25;havoc test_#t~nondet25; 711#L365 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 712#L318 assume { :end_inline_startSystem } true; 733#L373-2 assume { :begin_inline_timeShift } true; 734#L143 assume !(0 != ~pumpRunning~0); 845#L143-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 832#L201 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 742#L175-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 743#L573-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 815#L578-1 isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; 842#L303-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 839#L303-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 779#L309-1 processEnvironment__wrappee__highWaterSensor_#t~ret3 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret3;havoc processEnvironment__wrappee__highWaterSensor_#t~ret3; 780#L179-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 826#L167-2 assume { :end_inline_processEnvironment__wrappee__base } true; 738#L175-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 739#L201-1 assume { :end_inline_processEnvironment } true; 755#L150-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 756#L533-1 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 859#L68 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 728#L68-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 840#L160 assume { :end_inline_timeShift } true; 841#L335-3 [2018-11-18 09:37:14,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:14,123 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:37:14,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:14,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:14,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:14,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:14,165 INFO L82 PathProgramCache]: Analyzing trace with hash -812025705, now seen corresponding path program 1 times [2018-11-18 09:37:14,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:14,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:14,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,167 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:37:14,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:37:14,178 INFO L82 PathProgramCache]: Analyzing trace with hash 94390862, now seen corresponding path program 1 times [2018-11-18 09:37:14,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:37:14,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:37:14,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:37:14,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:37:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:37:14,358 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-11-18 09:38:12,830 WARN L180 SmtUtils]: Spent 58.43 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:38:36,333 WARN L180 SmtUtils]: Spent 23.50 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:38:36,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:38:36 BoogieIcfgContainer [2018-11-18 09:38:36,397 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:38:36,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:38:36,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:38:36,397 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:38:36,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:37:13" (3/4) ... [2018-11-18 09:38:36,400 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:38:36,447 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07f906eb-cf31-48b9-abd0-09c323c78ce6/bin-2019/uautomizer/witness.graphml [2018-11-18 09:38:36,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:38:36,447 INFO L168 Benchmark]: Toolchain (without parser) took 84329.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 955.3 MB in the beginning and 770.3 MB in the end (delta: 185.1 MB). Peak memory consumption was 400.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,448 INFO L168 Benchmark]: CDTParser took 0.12 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 09:38:36,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,449 INFO L168 Benchmark]: Boogie Preprocessor took 30.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,449 INFO L168 Benchmark]: RCFGBuilder took 630.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,450 INFO L168 Benchmark]: BuchiAutomizer took 83189.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 771.6 MB in the end (delta: 256.7 MB). Peak memory consumption was 342.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,450 INFO L168 Benchmark]: Witness Printer took 49.75 ms. Allocated memory is still 1.2 GB. Free memory was 771.6 MB in the beginning and 770.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:36,452 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 376.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 955.3 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 630.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 83189.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 771.6 MB in the end (delta: 256.7 MB). Peak memory consumption was 342.1 MB. Max. memory is 11.5 GB. * Witness Printer took 49.75 ms. Allocated memory is still 1.2 GB. Free memory was 771.6 MB in the beginning and 770.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 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 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 83.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 82.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 211 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 400 SDtfs, 945 SDslu, 99 SDs, 0 SdLazy, 38 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 335]: 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 {"On"=23, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@409b7af5=0, retValue_acc=0, "Pump(System:"=28, "__utac__get_this_arg"=0, "libacc.c"=0, "Off"=26, "i > 0 && i <= this->argsCount"=11, methaneLevelCritical=0, ")"=14, tmp___0=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "CRIT"=16, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, "Env(Water:%i"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d76e160=0, cleanupTimeShifts=4, tmp=0, ",Meth:"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ff1c33e=0, "Off"=22, "\n"=0, "Env(Water:%i"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=38, "__utac__get_this_arg"=37, retValue_acc=0, \result=0, "libacc.c"=35, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, "libacc.c"=12, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b26067a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5664120=0, "\n"=19, ") "=0, "libacc.c"=31, "__utac__get_this_argtype"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eb690c7=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2153f310=156, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30a564bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@492faa76=0, tmp=1, "OK"=15, "Off"=0, \result=1, tmp___0=0, "__utac__get_this_argtype"=29, "__utac__get_this_arg"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4269495f=0, tmp=1, retValue_acc=1, tmp___2=156, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, "On"=0, "Pump(System:"=0, methAndRunningLastTime=0, \result=0, "On"=27, "__utac__get_this_argtype"=39, "i > 0 && i <= this->argsCount"=36, tmp=0, head=0, ") "=20, ")"=0, tmp=0, ",Meth:"=0, ",Pump:"=0, "Off"=0, ",Pump:"=24, "i > 0 && i <= this->argsCount"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 335]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L263] FCALL "Pump(System:" [L267] FCALL "On" [L271] FCALL "Off" [L275] FCALL ",Pump:" [L279] FCALL "On" [L283] FCALL "Off" [L287] FCALL ") " [L289] FCALL "\n" [L542] FCALL "Env(Water:%i" [L543] FCALL ",Meth:" [L547] FCALL "CRIT" [L551] FCALL "OK" [L555] FCALL ")" [L881] FCALL "i > 0 && i <= this->argsCount" [L881] FCALL "libacc.c" [L882] FCALL "__utac__get_this_arg" [L888] FCALL "i > 0 && i <= this->argsCount" [L888] FCALL "libacc.c" [L889] FCALL "__utac__get_this_arg" [L927] FCALL "i > 0 && i <= this->argsCount" [L927] FCALL "libacc.c" [L928] FCALL "__utac__get_this_argtype" [L934] FCALL "i > 0 && i <= this->argsCount" [L934] FCALL "libacc.c" [L935] FCALL "__utac__get_this_argtype" [L51] int methAndRunningLastTime ; [L136] int pumpRunning = 0; [L137] int systemActive = 1; [L392] int cleanupTimeShifts = 4; [L490] int waterLevel = 1; [L491] int methaneLevelCritical = 0; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L466] int retValue_acc ; [L467] int tmp ; [L471] FCALL select_helpers() [L472] FCALL select_features() [L473] CALL, EXPR valid_product() [L119] int retValue_acc ; [L122] retValue_acc = 1 [L123] RET return (retValue_acc); [L473] EXPR valid_product() [L473] tmp = valid_product() [L475] COND TRUE \read(tmp) [L477] FCALL setup() [L478] CALL runTest() [L459] CALL __utac_acc__Specification2_spec__1() [L56] RET methAndRunningLastTime = 0 [L459] __utac_acc__Specification2_spec__1() [L460] CALL test() [L326] int splverifierCounter ; [L327] int tmp ; [L328] int tmp___0 ; [L329] int tmp___1 ; [L330] int tmp___2 ; [L333] splverifierCounter = 0 Loop: [L335] COND TRUE 1 [L337] COND TRUE splverifierCounter < 4 [L343] tmp = __VERIFIER_nondet_int() [L345] COND FALSE !(\read(tmp)) [L353] tmp___0 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___0)) [L363] tmp___2 = __VERIFIER_nondet_int() [L365] COND TRUE \read(tmp___2) [L367] CALL startSystem() [L317] RET systemActive = 1 [L367] startSystem() [L380] CALL timeShift() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L152] CALL processEnvironment() [L198] int tmp ; [L201] COND FALSE !(\read(pumpRunning)) [L216] CALL processEnvironment__wrappee__highWaterSensor() [L172] int tmp ; [L175] COND TRUE ! pumpRunning [L177] CALL, EXPR isHighWaterLevel() [L295] int retValue_acc ; [L296] int tmp ; [L297] int tmp___0 ; [L301] CALL, EXPR isHighWaterSensorDry() [L570] int retValue_acc ; [L573] COND TRUE waterLevel < 2 [L574] retValue_acc = 1 [L575] RET return (retValue_acc); [L301] EXPR isHighWaterSensorDry() [L301] tmp = isHighWaterSensorDry() [L303] COND TRUE \read(tmp) [L304] tmp___0 = 0 [L308] retValue_acc = tmp___0 [L309] RET return (retValue_acc); [L177] EXPR isHighWaterLevel() [L177] tmp = isHighWaterLevel() [L179] COND FALSE !(\read(tmp)) [L185] RET, FCALL processEnvironment__wrappee__base() [L216] RET processEnvironment__wrappee__highWaterSensor() [L152] processEnvironment() [L158] CALL __utac_acc__Specification2_spec__2() [L61] int tmp ; [L62] int tmp___0 ; [L66] CALL, EXPR isMethaneLevelCritical() [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] RET return (retValue_acc); [L66] EXPR isMethaneLevelCritical() [L66] tmp = isMethaneLevelCritical() [L68] COND FALSE !(\read(tmp)) [L84] RET methAndRunningLastTime = 0 [L158] RET __utac_acc__Specification2_spec__2() [L380] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...