./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/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 984879c67b20c2d5e13b785cd450ae5c42a4ba63 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:27:29,472 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:27:29,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:27:29,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:27:29,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:27:29,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:27:29,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:27:29,483 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:27:29,484 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:27:29,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:27:29,485 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:27:29,485 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:27:29,486 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:27:29,486 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:27:29,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:27:29,488 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:27:29,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:27:29,490 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:27:29,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:27:29,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:27:29,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:27:29,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:27:29,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:27:29,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:27:29,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:27:29,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:27:29,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:27:29,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:27:29,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:27:29,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:27:29,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:27:29,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:27:29,501 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:27:29,501 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:27:29,502 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:27:29,502 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:27:29,502 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:27:29,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:27:29,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:27:29,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:27:29,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:27:29,513 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:27:29,513 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:27:29,513 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:27:29,513 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:27:29,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:27:29,514 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:27:29,515 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:27:29,515 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:27:29,516 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:27:29,516 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:27:29,516 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:27:29,516 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:27:29,516 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:27:29,517 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:27:29,517 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_1532c012-7437-4b85-a111-0a3bca2eefee/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 -> 984879c67b20c2d5e13b785cd450ae5c42a4ba63 [2018-11-18 13:27:29,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:27:29,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:27:29,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:27:29,550 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:27:29,550 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:27:29,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product01_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:29,586 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/data/85d11ddca/19acf116706a4f8295a5bec9f98ee96c/FLAG9f18b9ae5 [2018-11-18 13:27:30,040 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:27:30,040 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/sv-benchmarks/c/product-lines/minepump_spec5_product01_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:30,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/data/85d11ddca/19acf116706a4f8295a5bec9f98ee96c/FLAG9f18b9ae5 [2018-11-18 13:27:30,061 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/data/85d11ddca/19acf116706a4f8295a5bec9f98ee96c [2018-11-18 13:27:30,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:27:30,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:27:30,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:27:30,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:27:30,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:27:30,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30, skipping insertion in model container [2018-11-18 13:27:30,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:27:30,109 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:27:30,294 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:27:30,303 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:27:30,394 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:27:30,411 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:27:30,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30 WrapperNode [2018-11-18 13:27:30,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:27:30,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:27:30,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:27:30,413 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:27:30,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:27:30,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:27:30,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:27:30,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:27:30,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... [2018-11-18 13:27:30,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:27:30,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:27:30,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:27:30,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:27:30,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/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 13:27:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:27:30,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:27:30,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:27:30,931 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:27:30,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:30 BoogieIcfgContainer [2018-11-18 13:27:30,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:27:30,932 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:27:30,932 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:27:30,935 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:27:30,935 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:27:30,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:27:30" (1/3) ... [2018-11-18 13:27:30,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ae030b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:27:30, skipping insertion in model container [2018-11-18 13:27:30,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:27:30,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:30" (2/3) ... [2018-11-18 13:27:30,937 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ae030b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:27:30, skipping insertion in model container [2018-11-18 13:27:30,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:27:30,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:30" (3/3) ... [2018-11-18 13:27:30,939 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:30,981 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:27:30,982 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:27:30,982 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:27:30,982 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:27:30,982 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:27:30,982 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:27:30,982 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:27:30,982 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:27:30,983 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:27:30,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 13:27:31,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2018-11-18 13:27:31,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:31,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:31,023 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:31,023 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] [2018-11-18 13:27:31,023 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:27:31,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 13:27:31,026 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2018-11-18 13:27:31,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:31,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:31,027 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:31,027 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:31,030 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 5#L252true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 31#L245true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 48#L260true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 44#L216true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 23#L187true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 8#L639true assume { :end_inline___utac_acc__Specification5_spec__1 } 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___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 42#L692-3true [2018-11-18 13:27:31,031 INFO L796 eck$LassoCheckResult]: Loop: 42#L692-3true assume true; 34#L692-1true assume !false; 78#L693true assume test_~splverifierCounter~0 < 4; 6#L694true test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 11#L702true assume !(0 != test_~tmp~5); 16#L702-2true test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 83#L712true assume !(0 != test_~tmp___0~1); 87#L712-2true test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 62#L722true assume 0 != test_~tmp___2~0; 28#L728-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 85#L818true __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 57#L649true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 74#L759true assume !(0 != ~pumpRunning~0); 79#L759-2true assume !(0 != ~systemActive~0); 60#L766-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 47#L121true __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 55#L660true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 58#L660-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 36#L776true assume { :end_inline_timeShift } true; 42#L692-3true [2018-11-18 13:27:31,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,036 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:27:31,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,189 INFO L82 PathProgramCache]: Analyzing trace with hash 474087837, now seen corresponding path program 1 times [2018-11-18 13:27:31,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1903836180, now seen corresponding path program 1 times [2018-11-18 13:27:31,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:31,322 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 13:27:31,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:31,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:27:31,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:27:31,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:27:31,408 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 6 states. [2018-11-18 13:27:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:31,523 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2018-11-18 13:27:31,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:27:31,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2018-11-18 13:27:31,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 13:27:31,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 74 states and 93 transitions. [2018-11-18 13:27:31,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2018-11-18 13:27:31,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2018-11-18 13:27:31,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 93 transitions. [2018-11-18 13:27:31,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:27:31,534 INFO L705 BuchiCegarLoop]: Abstraction has 74 states and 93 transitions. [2018-11-18 13:27:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 93 transitions. [2018-11-18 13:27:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-18 13:27:31,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-18 13:27:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2018-11-18 13:27:31,557 INFO L728 BuchiCegarLoop]: Abstraction has 74 states and 93 transitions. [2018-11-18 13:27:31,558 INFO L608 BuchiCegarLoop]: Abstraction has 74 states and 93 transitions. [2018-11-18 13:27:31,558 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:27:31,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 93 transitions. [2018-11-18 13:27:31,559 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 13:27:31,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:31,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:31,559 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:31,559 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 13:27:31,560 INFO L794 eck$LassoCheckResult]: Stem: 226#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 201#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 193#L252 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 194#L245 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 225#L260 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 240#L216 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 217#L187 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 199#L639 assume { :end_inline___utac_acc__Specification5_spec__1 } 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___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 200#L692-3 [2018-11-18 13:27:31,560 INFO L796 eck$LassoCheckResult]: Loop: 200#L692-3 assume true; 227#L692-1 assume !false; 228#L693 assume test_~splverifierCounter~0 < 4; 197#L694 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 198#L702 assume !(0 != test_~tmp~5); 205#L702-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 207#L712 assume !(0 != test_~tmp___0~1); 203#L712-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 255#L722 assume 0 != test_~tmp___2~0; 216#L728-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 223#L818 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 252#L649 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 253#L759 assume !(0 != ~pumpRunning~0); 222#L759-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 244#L783 assume { :end_inline_processEnvironment } true; 245#L766-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 242#L121 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 243#L660 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 190#L660-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 230#L776 assume { :end_inline_timeShift } true; 200#L692-3 [2018-11-18 13:27:31,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,560 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:27:31,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1855245317, now seen corresponding path program 1 times [2018-11-18 13:27:31,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,628 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:27:31,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,637 INFO L82 PathProgramCache]: Analyzing trace with hash -482719644, now seen corresponding path program 1 times [2018-11-18 13:27:31,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:31,712 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 13:27:31,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:31,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:27:31,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:27:31,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:27:31,784 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. cyclomatic complexity: 21 Second operand 5 states. [2018-11-18 13:27:31,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:31,898 INFO L93 Difference]: Finished difference Result 190 states and 235 transitions. [2018-11-18 13:27:31,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:27:31,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 235 transitions. [2018-11-18 13:27:31,902 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 94 [2018-11-18 13:27:31,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 190 states and 235 transitions. [2018-11-18 13:27:31,904 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2018-11-18 13:27:31,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2018-11-18 13:27:31,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 235 transitions. [2018-11-18 13:27:31,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:27:31,906 INFO L705 BuchiCegarLoop]: Abstraction has 190 states and 235 transitions. [2018-11-18 13:27:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 235 transitions. [2018-11-18 13:27:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 136. [2018-11-18 13:27:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 13:27:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 167 transitions. [2018-11-18 13:27:31,914 INFO L728 BuchiCegarLoop]: Abstraction has 136 states and 167 transitions. [2018-11-18 13:27:31,914 INFO L608 BuchiCegarLoop]: Abstraction has 136 states and 167 transitions. [2018-11-18 13:27:31,914 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:27:31,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 167 transitions. [2018-11-18 13:27:31,916 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 94 [2018-11-18 13:27:31,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:31,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:31,917 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:31,917 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 13:27:31,917 INFO L794 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 481#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 473#L252 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 474#L245 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 507#L260 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 521#L216 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 497#L187 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 479#L639 assume { :end_inline___utac_acc__Specification5_spec__1 } 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___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 480#L692-3 [2018-11-18 13:27:31,917 INFO L796 eck$LassoCheckResult]: Loop: 480#L692-3 assume true; 509#L692-1 assume !false; 510#L693 assume test_~splverifierCounter~0 < 4; 475#L694 test_~tmp~5 := test_#t~nondet50;havoc test_#t~nondet50; 476#L702 assume !(0 != test_~tmp~5); 485#L702-2 test_~tmp___0~1 := test_#t~nondet51;havoc test_#t~nondet51; 556#L712 assume !(0 != test_~tmp___0~1); 483#L712-2 test_~tmp___2~0 := test_#t~nondet52;havoc test_#t~nondet52; 540#L722 assume 0 != test_~tmp___2~0; 499#L728-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret47;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 505#L818 __utac_acc__Specification5_spec__2_#t~ret47 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret47;havoc __utac_acc__Specification5_spec__2_#t~ret47; 536#L649 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 537#L759 assume !(0 != ~pumpRunning~0); 552#L759-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 573#L783 assume { :end_inline_processEnvironment } true; 572#L766-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret48, __utac_acc__Specification5_spec__3_#t~ret49, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 525#L121 __utac_acc__Specification5_spec__3_#t~ret48 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret48;havoc __utac_acc__Specification5_spec__3_#t~ret48; 526#L660 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 532#L818-1 __utac_acc__Specification5_spec__3_#t~ret49 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret49;havoc __utac_acc__Specification5_spec__3_#t~ret49; 550#L664 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 470#L660-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 513#L776 assume { :end_inline_timeShift } true; 480#L692-3 [2018-11-18 13:27:31,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,918 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:27:31,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,950 INFO L82 PathProgramCache]: Analyzing trace with hash -498421354, now seen corresponding path program 1 times [2018-11-18 13:27:31,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,951 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:27:31,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:31,958 INFO L82 PathProgramCache]: Analyzing trace with hash -56209473, now seen corresponding path program 1 times [2018-11-18 13:27:31,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:31,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:31,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:31,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:29:02,331 WARN L180 SmtUtils]: Spent 1.50 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:29:53,205 WARN L180 SmtUtils]: Spent 50.87 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:29:53,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:29:53 BoogieIcfgContainer [2018-11-18 13:29:53,272 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:29:53,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:29:53,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:29:53,272 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:29:53,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:30" (3/4) ... [2018-11-18 13:29:53,275 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:29:53,318 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1532c012-7437-4b85-a111-0a3bca2eefee/bin-2019/uautomizer/witness.graphml [2018-11-18 13:29:53,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:29:53,319 INFO L168 Benchmark]: Toolchain (without parser) took 143255.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 263.7 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -289.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:29:53,320 INFO L168 Benchmark]: CDTParser took 0.11 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 13:29:53,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:53,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.76 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 13:29:53,320 INFO L168 Benchmark]: Boogie Preprocessor took 23.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:53,321 INFO L168 Benchmark]: RCFGBuilder took 457.10 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:53,321 INFO L168 Benchmark]: BuchiAutomizer took 142339.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -186.3 MB). Peak memory consumption was 337.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:53,321 INFO L168 Benchmark]: Witness Printer took 46.49 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:29:53,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 346.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.76 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 23.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.10 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 142339.86 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -186.3 MB). Peak memory consumption was 337.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.49 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 6 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 142.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 141.9s. 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, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 218 SDtfs, 540 SDslu, 265 SDs, 0 SdLazy, 73 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: 692]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "On"=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a98fc03=0, "Env(Water:%i"=29, retValue_acc=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "OK"=26, "Off"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d34cf75=0, "On"=37, "Pump(System:"=33, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27566766=155, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5018d86c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@300eb3b=0, tmp=0, "__utac__get_this_argtype"=14, ") "=0, "i > 0 && i <= this->argsCount"=19, tmp=1, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e4302b8=0, ") "=8, tmp___1=0, "i > 0 && i <= this->argsCount"=16, cleanupTimeShifts=4, "libacc.c"=18, switchedOnBeforeTS=0, "libacc.c"=22, "i > 0 && i <= this->argsCount"=11, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1caf7597=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cd0df31=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "On"=34, "__utac__get_this_argtype"=31, "Off"=35, "On"=0, "Pump(System:"=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, "Off"=38, "\n"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=17, retValue_acc=1, "CRIT"=27, tmp___2=155, "i > 0 && i <= this->argsCount"=23, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=24, "\n"=39, head=0, "__utac__get_this_arg"=20, "i > 0 && i <= this->argsCount"=0, ",Meth:"=28, "libacc.c"=0, "libacc.c"=12, "libacc.c"=15, retValue_acc=0, ",Pump:"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 692]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L562] FCALL "i > 0 && i <= this->argsCount" [L562] FCALL "libacc.c" [L563] FCALL "__utac__get_this_arg" [L569] FCALL "i > 0 && i <= this->argsCount" [L569] FCALL "libacc.c" [L570] FCALL "__utac__get_this_arg" [L608] FCALL "i > 0 && i <= this->argsCount" [L608] FCALL "libacc.c" [L609] FCALL "__utac__get_this_argtype" [L615] FCALL "i > 0 && i <= this->argsCount" [L615] FCALL "libacc.c" [L616] FCALL "__utac__get_this_argtype" [L827] FCALL "Pump(System:" [L831] FCALL "On" [L835] FCALL "Off" [L839] FCALL ",Pump:" [L843] FCALL "On" [L847] FCALL "Off" [L851] FCALL ") " [L853] FCALL "\n" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L126] int cleanupTimeShifts = 4; [L633] int switchedOnBeforeTS ; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L434] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L207] int retValue_acc ; [L208] int tmp ; [L212] FCALL select_helpers() [L213] FCALL select_features() [L214] CALL, EXPR valid_product() [L256] int retValue_acc ; [L259] retValue_acc = 1 [L260] RET return (retValue_acc); [L214] EXPR valid_product() [L214] tmp = valid_product() [L216] COND TRUE \read(tmp) [L218] FCALL setup() [L219] CALL runTest() [L197] CALL __utac_acc__Specification5_spec__1() [L638] RET switchedOnBeforeTS = 0 [L197] __utac_acc__Specification5_spec__1() [L198] CALL test() [L683] int splverifierCounter ; [L684] int tmp ; [L685] int tmp___0 ; [L686] int tmp___1 ; [L687] int tmp___2 ; [L690] splverifierCounter = 0 Loop: [L692] COND TRUE 1 [L694] COND TRUE splverifierCounter < 4 [L700] tmp = __VERIFIER_nondet_int() [L702] COND FALSE !(\read(tmp)) [L710] tmp___0 = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp___0)) [L720] tmp___2 = __VERIFIER_nondet_int() [L722] COND TRUE \read(tmp___2) [L735] CALL timeShift() [L757] CALL __utac_acc__Specification5_spec__2() [L647] CALL, EXPR isPumpRunning() [L814] int retValue_acc ; [L817] retValue_acc = pumpRunning [L818] RET return (retValue_acc); [L647] EXPR isPumpRunning() [L647] RET switchedOnBeforeTS = isPumpRunning() [L757] __utac_acc__Specification5_spec__2() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] FCALL processEnvironment() [L774] CALL __utac_acc__Specification5_spec__3() [L653] int tmp ; [L654] int tmp___0 ; [L658] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L658] EXPR getWaterLevel() [L658] tmp = getWaterLevel() [L660] COND TRUE tmp != 2 [L662] CALL, EXPR isPumpRunning() [L814] int retValue_acc ; [L817] retValue_acc = pumpRunning [L818] RET return (retValue_acc); [L662] EXPR isPumpRunning() [L662] tmp___0 = isPumpRunning() [L664] COND FALSE, RET !(\read(tmp___0)) [L774] RET __utac_acc__Specification5_spec__3() [L735] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...