./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19_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_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/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 d64d9b1029a36f4dbed006d1e1d8543a0c6e0731 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:21:09,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:21:09,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:21:09,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:21:09,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:21:09,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:21:09,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:21:09,540 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:21:09,541 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:21:09,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:21:09,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:21:09,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:21:09,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:21:09,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:21:09,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:21:09,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:21:09,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:21:09,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:21:09,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:21:09,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:21:09,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:21:09,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:21:09,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:21:09,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:21:09,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:21:09,556 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:21:09,557 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:21:09,558 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:21:09,558 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:21:09,559 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:21:09,559 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:21:09,560 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:21:09,560 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:21:09,560 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:21:09,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:21:09,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:21:09,562 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:21:09,573 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:21:09,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:21:09,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:21:09,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:21:09,575 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:21:09,575 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:21:09,575 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:21:09,575 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:21:09,575 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:21:09,575 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:21:09,576 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:21:09,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:21:09,576 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:21:09,576 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:21:09,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:21:09,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:21:09,577 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:21:09,578 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:21:09,578 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:21:09,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:21:09,578 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:21:09,578 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:21:09,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:21:09,579 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:21:09,579 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:21:09,580 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:21:09,580 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_f624b50c-574d-4916-8f6e-303d2732bd04/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 -> d64d9b1029a36f4dbed006d1e1d8543a0c6e0731 [2018-11-18 16:21:09,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:21:09,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:21:09,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:21:09,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:21:09,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:21:09,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product19_false-unreach-call_false-termination.cil.c [2018-11-18 16:21:09,666 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/data/2863e757a/a151344364214a3a8649a0bf3f1987be/FLAG8b1b203d1 [2018-11-18 16:21:10,053 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:21:10,053 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/sv-benchmarks/c/product-lines/minepump_spec3_product19_false-unreach-call_false-termination.cil.c [2018-11-18 16:21:10,063 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/data/2863e757a/a151344364214a3a8649a0bf3f1987be/FLAG8b1b203d1 [2018-11-18 16:21:10,434 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/data/2863e757a/a151344364214a3a8649a0bf3f1987be [2018-11-18 16:21:10,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:21:10,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:21:10,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:21:10,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:21:10,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:21:10,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485d7caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10, skipping insertion in model container [2018-11-18 16:21:10,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:21:10,485 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:21:10,712 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:21:10,725 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:21:10,850 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:21:10,869 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:21:10,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10 WrapperNode [2018-11-18 16:21:10,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:21:10,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:21:10,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:21:10,870 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:21:10,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:21:10,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:21:10,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:21:10,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:21:10,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... [2018-11-18 16:21:10,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:21:10,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:21:10,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:21:10,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:21:10,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/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 16:21:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:21:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:21:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:21:11,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:21:11,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:11 BoogieIcfgContainer [2018-11-18 16:21:11,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:21:11,549 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:21:11,549 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:21:11,552 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:21:11,552 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:21:11,553 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:21:10" (1/3) ... [2018-11-18 16:21:11,553 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@227768ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:21:11, skipping insertion in model container [2018-11-18 16:21:11,553 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:21:11,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:10" (2/3) ... [2018-11-18 16:21:11,554 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@227768ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:21:11, skipping insertion in model container [2018-11-18 16:21:11,554 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:21:11,554 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:11" (3/3) ... [2018-11-18 16:21:11,556 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product19_false-unreach-call_false-termination.cil.c [2018-11-18 16:21:11,592 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:21:11,592 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:21:11,592 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:21:11,592 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:21:11,592 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:21:11,592 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:21:11,593 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:21:11,593 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:21:11,593 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:21:11,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 16:21:11,629 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2018-11-18 16:21:11,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:11,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:11,635 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:11,635 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 16:21:11,636 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:21:11,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 16:21:11,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2018-11-18 16:21:11,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:11,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:11,642 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:11,642 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 16:21:11,646 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 44];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 77];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 101];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 116];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 104];#memory_int := #memory_int[#t~string43.base,5 + #t~string43.offset := 58];#memory_int := #memory_int[#t~string43.base,6 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 67];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 82];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 73];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 84];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 75];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 41];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 95#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28#L67true 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; 88#L82true main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret39;havoc main_#t~ret39; 3#L577true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 73#L553true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 38#L694-3true [2018-11-18 16:21:11,647 INFO L796 eck$LassoCheckResult]: Loop: 38#L694-3true assume true; 50#L694-1true assume !false; 9#L695true assume test_~splverifierCounter~0 < 4; 83#L696true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 111#L704true assume !(0 != test_~tmp~5); 96#L704-2true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 20#L714true assume !(0 != test_~tmp___0~1); 11#L714-2true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 52#L724true assume 0 != test_~tmp___2~0; 32#L730-2true assume { :begin_inline_timeShift } true; 46#L760true assume !(0 != ~pumpRunning~0); 49#L760-2true assume !(0 != ~systemActive~0); 113#L767-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 12#L637true __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 79#L99true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 36#L105-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 21#L777true assume { :end_inline_timeShift } true; 38#L694-3true [2018-11-18 16:21:11,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:11,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:21:11,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:11,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:11,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:11,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:11,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:11,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:11,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1027332197, now seen corresponding path program 1 times [2018-11-18 16:21:11,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:11,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:11,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:11,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:11,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:11,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:11,838 INFO L82 PathProgramCache]: Analyzing trace with hash 95650593, now seen corresponding path program 1 times [2018-11-18 16:21:11,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:11,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:11,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:11,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:11,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:21:11,987 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 16:21:11,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:21:11,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:21:12,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:21:12,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:21:12,079 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states. [2018-11-18 16:21:12,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:12,258 INFO L93 Difference]: Finished difference Result 287 states and 368 transitions. [2018-11-18 16:21:12,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:21:12,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 368 transitions. [2018-11-18 16:21:12,268 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2018-11-18 16:21:12,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 257 states and 338 transitions. [2018-11-18 16:21:12,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 257 [2018-11-18 16:21:12,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 257 [2018-11-18 16:21:12,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 257 states and 338 transitions. [2018-11-18 16:21:12,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:21:12,279 INFO L705 BuchiCegarLoop]: Abstraction has 257 states and 338 transitions. [2018-11-18 16:21:12,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states and 338 transitions. [2018-11-18 16:21:12,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 161. [2018-11-18 16:21:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-18 16:21:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2018-11-18 16:21:12,314 INFO L728 BuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2018-11-18 16:21:12,314 INFO L608 BuchiCegarLoop]: Abstraction has 161 states and 212 transitions. [2018-11-18 16:21:12,314 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:21:12,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 212 transitions. [2018-11-18 16:21:12,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2018-11-18 16:21:12,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:12,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:12,318 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:12,318 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 16:21:12,318 INFO L794 eck$LassoCheckResult]: Stem: 505#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 44];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 77];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 101];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 116];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 104];#memory_int := #memory_int[#t~string43.base,5 + #t~string43.offset := 58];#memory_int := #memory_int[#t~string43.base,6 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 67];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 82];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 73];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 84];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 75];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 41];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 421#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 422#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 455#L67 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; 456#L82 main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret39;havoc main_#t~ret39; 419#L577 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 420#L553 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 450#L694-3 [2018-11-18 16:21:12,319 INFO L796 eck$LassoCheckResult]: Loop: 450#L694-3 assume true; 474#L694-1 assume !false; 429#L695 assume test_~splverifierCounter~0 < 4; 430#L696 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 508#L704 assume !(0 != test_~tmp~5); 445#L704-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 447#L714 assume !(0 != test_~tmp___0~1); 433#L714-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 434#L724 assume 0 != test_~tmp___2~0; 465#L730-2 assume { :begin_inline_timeShift } true; 466#L760 assume !(0 != ~pumpRunning~0); 487#L760-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 491#L792 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 517#L784-1 assume { :end_inline_processEnvironment__wrappee__base } true; 486#L792-1 assume { :end_inline_processEnvironment } true; 519#L767-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 435#L637 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 436#L99 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 428#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 449#L777 assume { :end_inline_timeShift } true; 450#L694-3 [2018-11-18 16:21:12,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:12,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:21:12,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:12,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:12,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:12,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:12,377 INFO L82 PathProgramCache]: Analyzing trace with hash 644794674, now seen corresponding path program 1 times [2018-11-18 16:21:12,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:12,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:12,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,378 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:21:12,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:12,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1003203338, now seen corresponding path program 1 times [2018-11-18 16:21:12,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:12,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:12,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:12,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:21:12,465 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 16:21:12,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:21:12,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:21:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:21:12,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:21:12,538 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. cyclomatic complexity: 54 Second operand 5 states. [2018-11-18 16:21:12,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:21:12,646 INFO L93 Difference]: Finished difference Result 559 states and 740 transitions. [2018-11-18 16:21:12,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:21:12,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 559 states and 740 transitions. [2018-11-18 16:21:12,653 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 424 [2018-11-18 16:21:12,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 559 states to 559 states and 740 transitions. [2018-11-18 16:21:12,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2018-11-18 16:21:12,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 559 [2018-11-18 16:21:12,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 559 states and 740 transitions. [2018-11-18 16:21:12,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:21:12,661 INFO L705 BuchiCegarLoop]: Abstraction has 559 states and 740 transitions. [2018-11-18 16:21:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states and 740 transitions. [2018-11-18 16:21:12,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 315. [2018-11-18 16:21:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-11-18 16:21:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 409 transitions. [2018-11-18 16:21:12,683 INFO L728 BuchiCegarLoop]: Abstraction has 315 states and 409 transitions. [2018-11-18 16:21:12,683 INFO L608 BuchiCegarLoop]: Abstraction has 315 states and 409 transitions. [2018-11-18 16:21:12,683 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:21:12,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 409 transitions. [2018-11-18 16:21:12,686 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 232 [2018-11-18 16:21:12,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:21:12,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:21:12,687 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:21:12,687 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] [2018-11-18 16:21:12,688 INFO L794 eck$LassoCheckResult]: Stem: 1262#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(30);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(9);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(30);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(9);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 44];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 77];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 101];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 116];#memory_int := #memory_int[#t~string43.base,4 + #t~string43.offset := 104];#memory_int := #memory_int[#t~string43.base,5 + #t~string43.offset := 58];#memory_int := #memory_int[#t~string43.base,6 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 67];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 82];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 73];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 84];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 75];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 41];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 1160#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1194#L67 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; 1195#L82 main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret39;havoc main_#t~ret39; 1157#L577 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 1158#L553 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1214#L694-3 [2018-11-18 16:21:12,688 INFO L796 eck$LassoCheckResult]: Loop: 1214#L694-3 assume true; 1215#L694-1 assume !false; 1167#L695 assume test_~splverifierCounter~0 < 4; 1168#L696 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 1454#L704 assume !(0 != test_~tmp~5); 1451#L704-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 1449#L714 assume !(0 != test_~tmp___0~1); 1447#L714-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 1446#L724 assume 0 != test_~tmp___2~0; 1227#L730-2 assume { :begin_inline_timeShift } true; 1443#L760 assume !(0 != ~pumpRunning~0); 1442#L760-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1284#L792 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1282#L784-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1230#L792-1 assume { :end_inline_processEnvironment } true; 1285#L767-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_#t~ret3, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 1289#L637 __utac_acc__Specification3_spec__1_#t~ret1 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 1264#L99 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1265#L669 __utac_acc__Specification3_spec__1_#t~ret2 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; 1431#L105 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1430#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1429#L777 assume { :end_inline_timeShift } true; 1214#L694-3 [2018-11-18 16:21:12,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:12,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:21:12,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:12,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:12,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:12,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:12,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1173642789, now seen corresponding path program 1 times [2018-11-18 16:21:12,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:12,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:12,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,735 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:21:12,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:21:12,744 INFO L82 PathProgramCache]: Analyzing trace with hash -2004481815, now seen corresponding path program 1 times [2018-11-18 16:21:12,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:21:12,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:21:12,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:21:12,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:21:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:21:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:22:11,529 WARN L180 SmtUtils]: Spent 58.63 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:22:37,356 WARN L180 SmtUtils]: Spent 25.83 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:22:37,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:22:37 BoogieIcfgContainer [2018-11-18 16:22:37,433 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:22:37,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:22:37,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:22:37,434 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:22:37,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:11" (3/4) ... [2018-11-18 16:22:37,438 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:22:37,489 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f624b50c-574d-4916-8f6e-303d2732bd04/bin-2019/uautomizer/witness.graphml [2018-11-18 16:22:37,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:22:37,490 INFO L168 Benchmark]: Toolchain (without parser) took 87053.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -343.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:22:37,491 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:22:37,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:37,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:22:37,492 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 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 16:22:37,492 INFO L168 Benchmark]: RCFGBuilder took 608.26 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:37,492 INFO L168 Benchmark]: BuchiAutomizer took 85883.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -225.8 MB). Peak memory consumption was 333.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:37,493 INFO L168 Benchmark]: Witness Printer took 56.19 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:37,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 431.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.34 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 608.26 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 85883.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -225.8 MB). Peak memory consumption was 333.9 MB. Max. memory is 11.5 GB. * Witness Printer took 56.19 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: 7.3 MB). Peak memory consumption was 7.3 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 315 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 85.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 85.3s. 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, 340 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 315 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 334 SDtfs, 1004 SDslu, 1360 SDs, 0 SdLazy, 87 SolverSat, 23 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: 694]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34c8fec=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@458650a2=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a69c151=0, ",Pump:"=0, "\n"=40, "Env(Water:%i"=0, "CRIT"=0, retValue_acc=0, "Off"=0, ",Pump:"=12, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ae2bdf2=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47637a43=169, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fea71ca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1878f42d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17fe576e=0, "On"=0, ") "=0, tmp=0, "Env(Water:%i"=22, "__utac__get_this_argtype"=27, "Off"=0, tmp___1=0, "libacc.c"=36, tmp___0=1, "__utac__get_this_argtype"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@707cacdc=0, tmp=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=26, "i > 0 && i <= this->argsCount"=34, "i > 0 && i <= this->argsCount"=29, "CRIT"=19, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, NULL=0, systemActive=1, waterLevel=1, ") "=39, \result=1, "libacc.c"=0, retValue_acc=0, ")"=0, "OK"=18, "Pump(System:"=0, \result=1, head=0, pumpRunning=0, ")"=17, "Pump(System:"=16, \result=0, tmp=1, "__utac__get_this_argtype"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=24, "Off"=11, "Off"=14, "i > 0 && i <= this->argsCount"=37, "\n"=0, retValue_acc=1, retValue_acc=1, tmp___2=169, tmp___0=0, "libacc.c"=33, splverifierCounter=0, "On"=0, \result=0, "On"=15, tmp___1=0, head=0, "libacc.c"=0, "__utac__get_this_arg"=35, "__utac__get_this_arg"=0, tmp=0, "__utac__get_this_arg"=31, "libacc.c"=28, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=20, "On"=8} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 694]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_arg" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_arg" [L467] FCALL "i > 0 && i <= this->argsCount" [L467] FCALL "libacc.c" [L468] FCALL "__utac__get_this_argtype" [L474] FCALL "i > 0 && i <= this->argsCount" [L474] FCALL "libacc.c" [L475] FCALL "__utac__get_this_argtype" [L646] FCALL "Env(Water:%i" [L647] FCALL ",Meth:" [L651] FCALL "CRIT" [L655] FCALL "OK" [L659] FCALL ")" [L854] FCALL "Pump(System:" [L858] FCALL "On" [L862] FCALL "Off" [L866] FCALL ",Pump:" [L870] FCALL "On" [L874] FCALL "Off" [L878] FCALL ") " [L880] FCALL "\n" [L490] int cleanupTimeShifts = 4; [L594] int waterLevel = 1; [L595] int methaneLevelCritical = 0; [L753] int pumpRunning = 0; [L754] int systemActive = 1; [L293] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int retValue_acc ; [L569] int tmp ; [L573] FCALL select_helpers() [L574] FCALL select_features() [L575] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L575] EXPR valid_product() [L575] tmp = valid_product() [L577] COND TRUE \read(tmp) [L579] FCALL setup() [L580] CALL runTest() [L562] CALL test() [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 Loop: [L694] COND TRUE 1 [L696] COND TRUE splverifierCounter < 4 [L702] tmp = __VERIFIER_nondet_int() [L704] COND FALSE !(\read(tmp)) [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND TRUE \read(tmp___2) [L739] CALL timeShift() [L760] COND FALSE !(\read(pumpRunning)) [L767] COND TRUE \read(systemActive) [L769] CALL processEnvironment() [L789] int tmp ; [L792] COND FALSE !(\read(pumpRunning)) [L807] RET, FCALL processEnvironment__wrappee__base() [L769] processEnvironment() [L775] CALL __utac_acc__Specification3_spec__1() [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L97] CALL, EXPR isMethaneLevelCritical() [L633] int retValue_acc ; [L636] retValue_acc = methaneLevelCritical [L637] RET return (retValue_acc); [L97] EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L103] CALL, EXPR getWaterLevel() [L665] int retValue_acc ; [L668] retValue_acc = waterLevel [L669] RET return (retValue_acc); [L103] EXPR getWaterLevel() [L103] tmp___0 = getWaterLevel() [L105] COND FALSE, RET !(tmp___0 == 2) [L775] RET __utac_acc__Specification3_spec__1() [L739] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...