./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product14_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_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/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 f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:28:19,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:28:19,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:28:19,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:28:19,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:28:19,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:28:19,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:28:19,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:28:19,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:28:19,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:28:19,510 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:28:19,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:28:19,511 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:28:19,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:28:19,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:28:19,513 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:28:19,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:28:19,515 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:28:19,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:28:19,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:28:19,518 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:28:19,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:28:19,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:28:19,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:28:19,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:28:19,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:28:19,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:28:19,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:28:19,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:28:19,524 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:28:19,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:28:19,525 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:28:19,525 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:28:19,525 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:28:19,526 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:28:19,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:28:19,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:28:19,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:28:19,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:28:19,537 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:28:19,537 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:28:19,538 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:28:19,538 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:28:19,538 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:28:19,538 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:28:19,538 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:28:19,538 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:28:19,538 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:28:19,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:28:19,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:28:19,539 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:28:19,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:28:19,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:28:19,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:28:19,539 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:28:19,540 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:28:19,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:28:19,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:28:19,541 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:28:19,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:28:19,541 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:28:19,541 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:28:19,542 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:28:19,542 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_602b7d72-3848-41e1-bac6-d6111950e362/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 -> f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae [2018-11-18 15:28:19,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:28:19,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:28:19,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:28:19,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:28:19,576 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:28:19,576 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-11-18 15:28:19,613 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/data/e68f28c11/672ae11546454d85867cb884137deb7d/FLAGb2b49c55e [2018-11-18 15:28:20,038 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:28:20,039 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-11-18 15:28:20,045 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/data/e68f28c11/672ae11546454d85867cb884137deb7d/FLAGb2b49c55e [2018-11-18 15:28:20,053 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/data/e68f28c11/672ae11546454d85867cb884137deb7d [2018-11-18 15:28:20,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:28:20,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:28:20,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:28:20,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:28:20,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:28:20,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,060 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 03:28:20, skipping insertion in model container [2018-11-18 15:28:20,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:28:20,095 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:28:20,280 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:28:20,289 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:28:20,397 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:28:20,417 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:28:20,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20 WrapperNode [2018-11-18 15:28:20,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:28:20,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:28:20,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:28:20,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:28:20,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:28:20,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:28:20,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:28:20,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:28:20,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... [2018-11-18 15:28:20,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:28:20,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:28:20,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:28:20,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:28:20,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/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 15:28:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:28:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:28:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:28:21,013 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:28:21,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:28:21 BoogieIcfgContainer [2018-11-18 15:28:21,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:28:21,014 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:28:21,014 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:28:21,016 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:28:21,017 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:28:21,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:28:20" (1/3) ... [2018-11-18 15:28:21,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@159c6f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:28:21, skipping insertion in model container [2018-11-18 15:28:21,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:28:21,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:28:20" (2/3) ... [2018-11-18 15:28:21,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@159c6f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:28:21, skipping insertion in model container [2018-11-18 15:28:21,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:28:21,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:28:21" (3/3) ... [2018-11-18 15:28:21,020 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-11-18 15:28:21,057 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:28:21,058 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:28:21,058 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:28:21,058 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:28:21,058 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:28:21,058 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:28:21,058 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:28:21,058 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:28:21,058 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:28:21,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states. [2018-11-18 15:28:21,093 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 15:28:21,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:28:21,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:28:21,099 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:28:21,099 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 15:28:21,099 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:28:21,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states. [2018-11-18 15:28:21,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 15:28:21,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:28:21,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:28:21,104 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:28:21,105 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 15:28:21,108 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~7, main_~tmp~7;havoc main_~retValue_acc~7;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 92#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 35#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; 86#L82true main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret62;havoc main_#t~ret62; 49#L807true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 97#L784true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 100#L668-3true [2018-11-18 15:28:21,109 INFO L796 eck$LassoCheckResult]: Loop: 100#L668-3true assume true; 106#L668-1true assume !false; 59#L669true assume test_~splverifierCounter~0 < 4; 18#L670true test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 33#L678true assume !(0 != test_~tmp~6); 23#L678-2true test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 79#L688true assume !(0 != test_~tmp___0~1); 62#L688-2true test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 9#L698true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3#L285true assume { :end_inline_startSystem } true; 14#L706-2true assume { :begin_inline_timeShift } true; 58#L138true assume !(0 != ~pumpRunning~0); 44#L138-2true assume !(0 != ~systemActive~0); 101#L145-1true 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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 90#L864-1true __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; 80#L99true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 45#L105-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 25#L155true assume { :end_inline_timeShift } true; 100#L668-3true [2018-11-18 15:28:21,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 15:28:21,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:28:21,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1861797957, now seen corresponding path program 1 times [2018-11-18 15:28:21,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:28:21,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:21,298 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 15:28:21,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:28:21,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:28:21,303 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 15:28:21,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:28:21,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:28:21,313 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states. [2018-11-18 15:28:21,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:28:21,347 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2018-11-18 15:28:21,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:28:21,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 128 transitions. [2018-11-18 15:28:21,350 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 15:28:21,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 92 states and 117 transitions. [2018-11-18 15:28:21,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2018-11-18 15:28:21,354 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2018-11-18 15:28:21,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2018-11-18 15:28:21,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:28:21,355 INFO L705 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 15:28:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2018-11-18 15:28:21,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 15:28:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 15:28:21,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 117 transitions. [2018-11-18 15:28:21,379 INFO L728 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 15:28:21,380 INFO L608 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2018-11-18 15:28:21,380 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:28:21,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 117 transitions. [2018-11-18 15:28:21,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 15:28:21,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:28:21,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:28:21,382 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:28:21,382 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:28:21,382 INFO L794 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~7, main_~tmp~7;havoc main_~retValue_acc~7;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 221#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 293#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; 283#L82 main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret62;havoc main_#t~ret62; 284#L807 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 299#L784 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 277#L668-3 [2018-11-18 15:28:21,383 INFO L796 eck$LassoCheckResult]: Loop: 277#L668-3 assume true; 302#L668-1 assume !false; 231#L669 assume test_~splverifierCounter~0 < 4; 232#L670 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 258#L678 assume !(0 != test_~tmp~6); 270#L678-2 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 267#L688 assume !(0 != test_~tmp___0~1); 238#L688-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 235#L698 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 218#L285 assume { :end_inline_startSystem } true; 219#L706-2 assume { :begin_inline_timeShift } true; 222#L138 assume !(0 != ~pumpRunning~0); 223#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 306#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 295#L162-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 286#L170-1 assume { :end_inline_processEnvironment } true; 290#L145-1 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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 292#L864-1 __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; 269#L99 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 234#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 276#L155 assume { :end_inline_timeShift } true; 277#L668-3 [2018-11-18 15:28:21,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 15:28:21,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:28:21,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1176246345, now seen corresponding path program 1 times [2018-11-18 15:28:21,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,432 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:28:21,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1627915525, now seen corresponding path program 1 times [2018-11-18 15:28:21,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:28:21,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:28:21,513 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 15:28:21,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:28:21,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:28:21,622 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-18 15:28:21,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:28:21,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:28:21,659 INFO L87 Difference]: Start difference. First operand 92 states and 117 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-11-18 15:28:21,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:28:21,888 INFO L93 Difference]: Finished difference Result 318 states and 407 transitions. [2018-11-18 15:28:21,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:28:21,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 407 transitions. [2018-11-18 15:28:21,893 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 225 [2018-11-18 15:28:21,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 407 transitions. [2018-11-18 15:28:21,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2018-11-18 15:28:21,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2018-11-18 15:28:21,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 407 transitions. [2018-11-18 15:28:21,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:28:21,899 INFO L705 BuchiCegarLoop]: Abstraction has 318 states and 407 transitions. [2018-11-18 15:28:21,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 407 transitions. [2018-11-18 15:28:21,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 177. [2018-11-18 15:28:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-11-18 15:28:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2018-11-18 15:28:21,912 INFO L728 BuchiCegarLoop]: Abstraction has 177 states and 223 transitions. [2018-11-18 15:28:21,912 INFO L608 BuchiCegarLoop]: Abstraction has 177 states and 223 transitions. [2018-11-18 15:28:21,912 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:28:21,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 223 transitions. [2018-11-18 15:28:21,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 126 [2018-11-18 15:28:21,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:28:21,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:28:21,914 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:28:21,914 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 15:28:21,915 INFO L794 eck$LassoCheckResult]: Stem: 690#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 648#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~7, main_~tmp~7;havoc main_~retValue_acc~7;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 649#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 729#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; 718#L82 main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret62;havoc main_#t~ret62; 719#L807 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 735#L784 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 712#L668-3 [2018-11-18 15:28:21,915 INFO L796 eck$LassoCheckResult]: Loop: 712#L668-3 assume true; 738#L668-1 assume !false; 659#L669 assume test_~splverifierCounter~0 < 4; 660#L670 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 793#L678 assume !(0 != test_~tmp~6); 791#L678-2 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 790#L688 assume !(0 != test_~tmp___0~1); 788#L688-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 787#L698 assume !(0 != test_~tmp___2~0);test_~tmp___1~1 := test_#t~nondet61;havoc test_#t~nondet61; 674#L706 assume 0 != test_~tmp___1~1; 647#L706-2 assume { :begin_inline_timeShift } true; 650#L138 assume !(0 != ~pumpRunning~0); 651#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 747#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 731#L162-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 721#L170-1 assume { :end_inline_processEnvironment } true; 725#L145-1 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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 742#L864-1 __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; 703#L99 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 680#L896 __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; 681#L105 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 786#L105-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 711#L155 assume { :end_inline_timeShift } true; 712#L668-3 [2018-11-18 15:28:21,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 15:28:21,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:28:21,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,950 INFO L82 PathProgramCache]: Analyzing trace with hash 5036699, now seen corresponding path program 1 times [2018-11-18 15:28:21,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,951 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:28:21,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:28:21,960 INFO L82 PathProgramCache]: Analyzing trace with hash 267421783, now seen corresponding path program 1 times [2018-11-18 15:28:21,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:28:21,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:28:21,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:28:21,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:28:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:28:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:29:05,813 WARN L180 SmtUtils]: Spent 43.69 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 15:29:33,554 WARN L180 SmtUtils]: Spent 27.74 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 15:29:33,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:29:33 BoogieIcfgContainer [2018-11-18 15:29:33,616 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:29:33,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:29:33,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:29:33,617 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:29:33,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:28:21" (3/4) ... [2018-11-18 15:29:33,619 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:29:33,667 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_602b7d72-3848-41e1-bac6-d6111950e362/bin-2019/uautomizer/witness.graphml [2018-11-18 15:29:33,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:29:33,669 INFO L168 Benchmark]: Toolchain (without parser) took 73613.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 951.1 MB in the beginning and 840.6 MB in the end (delta: 110.4 MB). Peak memory consumption was 336.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:33,670 INFO L168 Benchmark]: CDTParser took 0.12 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 15:29:33,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:33,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.57 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 15:29:33,671 INFO L168 Benchmark]: Boogie Preprocessor took 27.27 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 15:29:33,671 INFO L168 Benchmark]: RCFGBuilder took 520.49 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: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:33,671 INFO L168 Benchmark]: BuchiAutomizer took 72602.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 840.6 MB in the end (delta: 238.5 MB). Peak memory consumption was 306.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:29:33,672 INFO L168 Benchmark]: Witness Printer took 51.70 ms. Allocated memory is still 1.3 GB. Free memory is still 840.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:29:33,674 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.57 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 27.27 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 520.49 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: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 72602.52 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 840.6 MB in the end (delta: 238.5 MB). Peak memory consumption was 306.1 MB. Max. memory is 11.5 GB. * Witness Printer took 51.70 ms. Allocated memory is still 1.3 GB. Free memory is still 840.6 MB. There was no memory consumed. 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 5 locations. The remainder module has 177 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 72.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 72.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 177 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 283 SDtfs, 520 SDslu, 482 SDs, 0 SdLazy, 86 SolverSat, 24 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: 668]: 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@8938648=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@514ae64b=0, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@386a6a3f=0, "On"=17, "__utac__get_this_argtype"=23, "__utac__get_this_arg"=0, "__utac__get_this_arg"=29, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, retValue_acc=0, "libacc.c"=0, "__utac__get_this_arg"=0, ")"=40, "Env(Water:%i"=37, methaneLevelCritical=0, "Pump(System:"=18, "i > 0 && i <= this->argsCount"=35, "CRIT"=0, tmp=0, ",Meth:"=0, "CRIT"=8, tmp___1=168, "Pump(System:"=0, tmp___0=1, ") "=20, tmp=0, cleanupTimeShifts=4, "libacc.c"=34, "i > 0 && i <= this->argsCount"=28, "libacc.c"=11, ",Pump:"=15, "i > 0 && i <= this->argsCount"=24, NULL=0, systemActive=1, waterLevel=1, \result=1, ",Pump:"=0, "Off"=0, retValue_acc=0, "Off"=16, "On"=0, "i > 0 && i <= this->argsCount"=31, "libacc.c"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=14, head=0, pumpRunning=0, \result=0, "__utac__get_this_argtype"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e660e9f=0, ",Meth:"=38, "OK"=0, "On"=0, tmp=1, "libacc.c"=0, "Off"=0, "\n"=36, ")"=0, retValue_acc=1, retValue_acc=1, tmp___2=0, tmp___0=0, splverifierCounter=0, \result=0, "OK"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3557b7af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a0c11fa=0, tmp=0, tmp___1=0, head=0, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7409f07c=168, "On"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13cc7b76=0, "\n"=0, "__utac__get_this_arg"=33, "libacc.c"=22, "libacc.c"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@560a34aa=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 668]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] FCALL "Pump(System:" [L253] FCALL "On" [L257] FCALL "Off" [L261] FCALL ",Pump:" [L265] FCALL "On" [L269] FCALL "Off" [L273] FCALL ") " [L275] FCALL "\n" [L586] FCALL "i > 0 && i <= this->argsCount" [L586] FCALL "libacc.c" [L587] FCALL "__utac__get_this_arg" [L593] FCALL "i > 0 && i <= this->argsCount" [L593] FCALL "libacc.c" [L594] FCALL "__utac__get_this_arg" [L632] FCALL "i > 0 && i <= this->argsCount" [L632] FCALL "libacc.c" [L633] FCALL "__utac__get_this_argtype" [L639] FCALL "i > 0 && i <= this->argsCount" [L639] FCALL "libacc.c" [L640] FCALL "__utac__get_this_argtype" [L873] FCALL "Env(Water:%i" [L874] FCALL ",Meth:" [L878] FCALL "CRIT" [L882] FCALL "OK" [L886] FCALL ")" [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L798] int retValue_acc ; [L799] int tmp ; [L803] FCALL select_helpers() [L804] FCALL select_features() [L805] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L805] EXPR valid_product() [L805] tmp = valid_product() [L807] COND TRUE \read(tmp) [L809] FCALL setup() [L810] CALL runTest() [L792] CALL test() [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] splverifierCounter = 0 Loop: [L668] COND TRUE 1 [L670] COND TRUE splverifierCounter < 4 [L676] tmp = __VERIFIER_nondet_int() [L678] COND FALSE !(\read(tmp)) [L686] tmp___0 = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp___0)) [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___2)) [L704] tmp___1 = __VERIFIER_nondet_int() [L706] COND TRUE \read(tmp___1) [L713] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] RET, FCALL processEnvironment__wrappee__methaneQuery() [L147] processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L97] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] RET return (retValue_acc); [L97] EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L103] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] RET return (retValue_acc); [L103] EXPR getWaterLevel() [L103] tmp___0 = getWaterLevel() [L105] COND FALSE, RET !(tmp___0 == 2) [L153] RET __utac_acc__Specification3_spec__1() [L713] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...