./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product39_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_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product39_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/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 c228d9f74ddd17cda7010ca670107d7221f92470 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:13:39,429 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:13:39,430 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:13:39,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:13:39,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:13:39,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:13:39,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:13:39,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:13:39,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:13:39,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:13:39,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:13:39,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:13:39,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:13:39,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:13:39,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:13:39,442 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:13:39,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:13:39,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:13:39,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:13:39,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:13:39,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:13:39,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:13:39,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:13:39,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:13:39,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:13:39,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:13:39,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:13:39,450 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:13:39,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:13:39,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:13:39,451 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:13:39,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:13:39,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:13:39,452 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:13:39,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:13:39,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:13:39,453 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:13:39,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:13:39,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:13:39,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:13:39,466 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:13:39,466 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:13:39,466 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:13:39,466 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:13:39,466 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:13:39,466 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:13:39,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:13:39,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:13:39,468 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:13:39,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:13:39,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:13:39,471 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:13:39,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:13:39,471 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:13:39,471 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:13:39,472 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:13:39,472 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_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/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 -> c228d9f74ddd17cda7010ca670107d7221f92470 [2018-11-18 13:13:39,496 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:13:39,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:13:39,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:13:39,508 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:13:39,509 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:13:39,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product39_false-unreach-call_false-termination.cil.c [2018-11-18 13:13:39,546 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/data/e133d146d/1e8e1ea23f794d8da681dafb723b4b9b/FLAGe997efc91 [2018-11-18 13:13:40,002 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:13:40,002 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/sv-benchmarks/c/product-lines/minepump_spec4_product39_false-unreach-call_false-termination.cil.c [2018-11-18 13:13:40,009 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/data/e133d146d/1e8e1ea23f794d8da681dafb723b4b9b/FLAGe997efc91 [2018-11-18 13:13:40,021 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/data/e133d146d/1e8e1ea23f794d8da681dafb723b4b9b [2018-11-18 13:13:40,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:13:40,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:13:40,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:40,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:13:40,029 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:13:40,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40, skipping insertion in model container [2018-11-18 13:13:40,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:13:40,073 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:13:40,264 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:40,273 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:13:40,370 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:40,386 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:13:40,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40 WrapperNode [2018-11-18 13:13:40,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:40,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:40,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:13:40,387 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:13:40,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:40,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:13:40,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:13:40,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:13:40,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... [2018-11-18 13:13:40,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:13:40,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:13:40,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:13:40,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:13:40,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/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 13:13:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:13:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:13:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:13:40,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:13:40,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:40 BoogieIcfgContainer [2018-11-18 13:13:40,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:13:40,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:13:40,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:13:40,994 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:13:40,994 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:13:40,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:13:40" (1/3) ... [2018-11-18 13:13:40,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@398d5b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:13:40, skipping insertion in model container [2018-11-18 13:13:40,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:13:40,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:40" (2/3) ... [2018-11-18 13:13:40,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@398d5b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:13:40, skipping insertion in model container [2018-11-18 13:13:40,996 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:13:40,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:40" (3/3) ... [2018-11-18 13:13:40,997 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product39_false-unreach-call_false-termination.cil.c [2018-11-18 13:13:41,030 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:13:41,031 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:13:41,031 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:13:41,031 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:13:41,031 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:13:41,031 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:13:41,031 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:13:41,031 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:13:41,031 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:13:41,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 13:13:41,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 13:13:41,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:41,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:41,070 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,071 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,071 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:13:41,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 13:13:41,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 13:13:41,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:41,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:41,078 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,078 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,081 INFO L794 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 20#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 82#L58true 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; 14#L73true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 43#L904true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 97#L881true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 131#L459-3true [2018-11-18 13:13:41,082 INFO L796 eck$LassoCheckResult]: Loop: 131#L459-3true assume true; 148#L459-1true assume !false; 87#L460true assume test_~splverifierCounter~0 < 4; 29#L461true test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 67#L469true assume !(0 != test_~tmp~3); 42#L469-2true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 114#L479true assume !(0 != test_~tmp___0~0); 94#L479-2true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 149#L489true assume 0 != test_~tmp___2~0; 126#L495-2true assume { :begin_inline_timeShift } true; 71#L532true assume !(0 != ~pumpRunning~0); 72#L532-2true assume !(0 != ~systemActive~0); 137#L539-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 142#L803true __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 41#L926true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 44#L926-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 52#L549true assume { :end_inline_timeShift } true; 131#L459-3true [2018-11-18 13:13:41,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:13:41,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:41,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1463031053, now seen corresponding path program 1 times [2018-11-18 13:13:41,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:41,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1900254639, now seen corresponding path program 1 times [2018-11-18 13:13:41,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:41,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:41,386 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 13:13:41,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:41,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:13:41,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:13:41,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:13:41,460 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 6 states. [2018-11-18 13:13:41,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:41,665 INFO L93 Difference]: Finished difference Result 377 states and 491 transitions. [2018-11-18 13:13:41,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:13:41,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 491 transitions. [2018-11-18 13:13:41,674 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 245 [2018-11-18 13:13:41,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 347 states and 461 transitions. [2018-11-18 13:13:41,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 347 [2018-11-18 13:13:41,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 347 [2018-11-18 13:13:41,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 347 states and 461 transitions. [2018-11-18 13:13:41,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:13:41,684 INFO L705 BuchiCegarLoop]: Abstraction has 347 states and 461 transitions. [2018-11-18 13:13:41,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states and 461 transitions. [2018-11-18 13:13:41,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 203. [2018-11-18 13:13:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-18 13:13:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 269 transitions. [2018-11-18 13:13:41,718 INFO L728 BuchiCegarLoop]: Abstraction has 203 states and 269 transitions. [2018-11-18 13:13:41,718 INFO L608 BuchiCegarLoop]: Abstraction has 203 states and 269 transitions. [2018-11-18 13:13:41,718 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:13:41,718 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 203 states and 269 transitions. [2018-11-18 13:13:41,720 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144 [2018-11-18 13:13:41,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:41,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:41,721 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,722 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 13:13:41,722 INFO L794 eck$LassoCheckResult]: Stem: 692#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 582#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 583#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 589#L58 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; 578#L73 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 579#L904 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 622#L881 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 630#L459-3 [2018-11-18 13:13:41,722 INFO L796 eck$LassoCheckResult]: Loop: 630#L459-3 assume true; 699#L459-1 assume !false; 674#L460 assume test_~splverifierCounter~0 < 4; 600#L461 test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 601#L469 assume !(0 != test_~tmp~3); 620#L469-2 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 621#L479 assume !(0 != test_~tmp___0~0); 613#L479-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 680#L489 assume 0 != test_~tmp___2~0; 696#L495-2 assume { :begin_inline_timeShift } true; 661#L532 assume !(0 != ~pumpRunning~0); 662#L532-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 639#L590 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 641#L564-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 676#L556-3 assume { :end_inline_processEnvironment__wrappee__base } true; 677#L564-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 646#L590-1 assume { :end_inline_processEnvironment } true; 647#L539-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 701#L803 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 618#L926 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 619#L926-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 623#L549 assume { :end_inline_timeShift } true; 630#L459-3 [2018-11-18 13:13:41,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:13:41,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:41,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1401525536, now seen corresponding path program 1 times [2018-11-18 13:13:41,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,772 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:13:41,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:41,798 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 13:13:41,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:13:41,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:13:41,799 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:13:41,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:13:41,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:13:41,799 INFO L87 Difference]: Start difference. First operand 203 states and 269 transitions. cyclomatic complexity: 69 Second operand 3 states. [2018-11-18 13:13:41,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:13:41,923 INFO L93 Difference]: Finished difference Result 255 states and 322 transitions. [2018-11-18 13:13:41,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:13:41,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 255 states and 322 transitions. [2018-11-18 13:13:41,930 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 185 [2018-11-18 13:13:41,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 255 states to 255 states and 322 transitions. [2018-11-18 13:13:41,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 255 [2018-11-18 13:13:41,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 255 [2018-11-18 13:13:41,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 255 states and 322 transitions. [2018-11-18 13:13:41,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:13:41,934 INFO L705 BuchiCegarLoop]: Abstraction has 255 states and 322 transitions. [2018-11-18 13:13:41,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states and 322 transitions. [2018-11-18 13:13:41,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-11-18 13:13:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-11-18 13:13:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 322 transitions. [2018-11-18 13:13:41,944 INFO L728 BuchiCegarLoop]: Abstraction has 255 states and 322 transitions. [2018-11-18 13:13:41,945 INFO L608 BuchiCegarLoop]: Abstraction has 255 states and 322 transitions. [2018-11-18 13:13:41,945 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:13:41,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 322 transitions. [2018-11-18 13:13:41,947 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 185 [2018-11-18 13:13:41,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:13:41,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:13:41,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,948 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:13:41,948 INFO L794 eck$LassoCheckResult]: Stem: 1153#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 44];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 80];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 117];#memory_int := #memory_int[#t~string50.base,3 + #t~string50.offset := 109];#memory_int := #memory_int[#t~string50.base,4 + #t~string50.offset := 112];#memory_int := #memory_int[#t~string50.base,5 + #t~string50.offset := 58];#memory_int := #memory_int[#t~string50.base,6 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 110];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 102];#memory_int := #memory_int[#t~string54.base,3 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 41];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 32];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 10];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1046#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1047#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1053#L58 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; 1042#L73 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 1043#L904 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1085#L881 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1093#L459-3 [2018-11-18 13:13:41,949 INFO L796 eck$LassoCheckResult]: Loop: 1093#L459-3 assume true; 1163#L459-1 assume !false; 1135#L460 assume test_~splverifierCounter~0 < 4; 1064#L461 test_~tmp~3 := test_#t~nondet36;havoc test_#t~nondet36; 1065#L469 assume !(0 != test_~tmp~3); 1083#L469-2 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 1084#L479 assume !(0 != test_~tmp___0~0); 1076#L479-2 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 1139#L489 assume 0 != test_~tmp___2~0; 1159#L495-2 assume { :begin_inline_timeShift } true; 1121#L532 assume !(0 != ~pumpRunning~0); 1122#L532-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1099#L590 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 1100#L564-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1044#L811-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1045#L816-1 isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; 1091#L692-3 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 1092#L692-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1021#L698-1 processEnvironment__wrappee__highWaterSensor_#t~ret40 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret40;havoc processEnvironment__wrappee__highWaterSensor_#t~ret40; 1022#L568-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 1118#L556-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1150#L564-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1107#L590-1 assume { :end_inline_processEnvironment } true; 1108#L539-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 1167#L803 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 1081#L926 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 1082#L926-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1086#L549 assume { :end_inline_timeShift } true; 1093#L459-3 [2018-11-18 13:13:41,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:13:41,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:41,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:41,989 INFO L82 PathProgramCache]: Analyzing trace with hash -551477832, now seen corresponding path program 1 times [2018-11-18 13:13:41,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:41,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:41,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,990 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:13:41,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:42,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:42,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1802459780, now seen corresponding path program 1 times [2018-11-18 13:13:42,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:13:42,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:13:42,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:42,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:13:42,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:13:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:42,158 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 13:14:20,449 WARN L180 SmtUtils]: Spent 38.26 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:14:39,896 WARN L180 SmtUtils]: Spent 19.45 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:14:39,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:14:39 BoogieIcfgContainer [2018-11-18 13:14:39,953 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:14:39,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:14:39,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:14:39,954 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:14:39,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:40" (3/4) ... [2018-11-18 13:14:39,956 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:14:39,995 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c186fa6-29bb-4a04-a1ed-6ea3201f0dad/bin-2019/uautomizer/witness.graphml [2018-11-18 13:14:39,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:14:39,996 INFO L168 Benchmark]: Toolchain (without parser) took 59971.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 952.3 MB in the beginning and 867.6 MB in the end (delta: 84.7 MB). Peak memory consumption was 244.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:39,996 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:14:39,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:39,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.53 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:39,997 INFO L168 Benchmark]: Boogie Preprocessor took 21.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:39,997 INFO L168 Benchmark]: RCFGBuilder took 545.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:39,998 INFO L168 Benchmark]: BuchiAutomizer took 58961.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.4 MB). Free memory was 1.0 GB in the beginning and 872.3 MB in the end (delta: 165.0 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:39,998 INFO L168 Benchmark]: Witness Printer took 41.98 ms. Allocated memory is still 1.2 GB. Free memory was 872.3 MB in the beginning and 867.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:40,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.53 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 545.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58961.42 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.4 MB). Free memory was 1.0 GB in the beginning and 872.3 MB in the end (delta: 165.0 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.98 ms. Allocated memory is still 1.2 GB. Free memory was 872.3 MB in the beginning and 867.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 255 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 58.4s. Construction of modules took 0.2s. 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, 144 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 255 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 399 SDtfs, 925 SDslu, 998 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 459]: 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, ",Meth:"=0, "On"=0, "On"=34, "Pump(System:"=0, "Env(Water:%i"=0, ",Meth:"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65407f30=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ab5c0ce=0, ") "=24, methaneLevelCritical=0, tmp___0=0, tmp=0, "CRIT"=0, ")"=0, "__utac__get_this_argtype"=39, "OK"=0, retValue_acc=0, tmp___1=0, "libacc.c"=33, "libacc.c"=8, "libacc.c"=15, "i > 0 && i <= this->argsCount"=23, tmp=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b1cf483=0, ",Pump:"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@308bd5f1=154, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@982a589=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c84294c=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e46d939=0, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, ")"=11, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6adc1be8=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "\n"=17, \result=0, "Pump(System:"=16, "Off"=0, tmp___0=0, "On"=0, ",Pump:"=0, "\n"=0, ") "=0, retValue_acc=0, \result=1, head=0, pumpRunning=0, \result=0, "On"=19, "__utac__get_this_arg"=31, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4394c980=0, tmp=1, "__utac__get_this_argtype"=0, \result=1, "Off"=28, "OK"=37, "Env(Water:%i"=27, "i > 0 && i <= this->argsCount"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@333d21ee=0, retValue_acc=1, retValue_acc=1, tmp=1, tmp___2=154, "__utac__get_this_argtype"=12, tmp=1, retValue_acc=1, splverifierCounter=0, head=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "__utac__get_this_arg"=29, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=22, "libacc.c"=0, "libacc.c"=36, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "Off"=14, "Off"=0, "CRIT"=18} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 459]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] FCALL "i > 0 && i <= this->argsCount" [L375] FCALL "libacc.c" [L376] FCALL "__utac__get_this_arg" [L382] FCALL "i > 0 && i <= this->argsCount" [L382] FCALL "libacc.c" [L383] FCALL "__utac__get_this_arg" [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_argtype" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_argtype" [L652] FCALL "Pump(System:" [L656] FCALL "On" [L660] FCALL "Off" [L664] FCALL ",Pump:" [L668] FCALL "On" [L672] FCALL "Off" [L676] FCALL ") " [L678] FCALL "\n" [L780] FCALL "Env(Water:%i" [L781] FCALL ",Meth:" [L785] FCALL "CRIT" [L789] FCALL "OK" [L793] FCALL ")" [L524] int pumpRunning = 0; [L525] int systemActive = 1; [L728] int waterLevel = 1; [L729] int methaneLevelCritical = 0; [L822] int cleanupTimeShifts = 4; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L895] int retValue_acc ; [L896] int tmp ; [L900] FCALL select_helpers() [L901] FCALL select_features() [L902] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L902] EXPR valid_product() [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) [L906] FCALL setup() [L907] CALL runTest() [L889] CALL test() [L450] int splverifierCounter ; [L451] int tmp ; [L452] int tmp___0 ; [L453] int tmp___1 ; [L454] int tmp___2 ; [L457] splverifierCounter = 0 Loop: [L459] COND TRUE 1 [L461] COND TRUE splverifierCounter < 4 [L467] tmp = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp)) [L477] tmp___0 = __VERIFIER_nondet_int() [L479] COND FALSE !(\read(tmp___0)) [L487] tmp___2 = __VERIFIER_nondet_int() [L489] COND TRUE \read(tmp___2) [L504] CALL timeShift() [L532] COND FALSE !(\read(pumpRunning)) [L539] COND TRUE \read(systemActive) [L541] CALL processEnvironment() [L587] int tmp ; [L590] COND FALSE !(\read(pumpRunning)) [L605] CALL processEnvironment__wrappee__highWaterSensor() [L561] int tmp ; [L564] COND TRUE ! pumpRunning [L566] CALL, EXPR isHighWaterLevel() [L684] int retValue_acc ; [L685] int tmp ; [L686] int tmp___0 ; [L690] CALL, EXPR isHighWaterSensorDry() [L808] int retValue_acc ; [L811] COND TRUE waterLevel < 2 [L812] retValue_acc = 1 [L813] RET return (retValue_acc); [L690] EXPR isHighWaterSensorDry() [L690] tmp = isHighWaterSensorDry() [L692] COND TRUE \read(tmp) [L693] tmp___0 = 0 [L697] retValue_acc = tmp___0 [L698] RET return (retValue_acc); [L566] EXPR isHighWaterLevel() [L566] tmp = isHighWaterLevel() [L568] COND FALSE !(\read(tmp)) [L574] RET, FCALL processEnvironment__wrappee__base() [L605] RET processEnvironment__wrappee__highWaterSensor() [L541] processEnvironment() [L547] CALL __utac_acc__Specification4_spec__1() [L919] int tmp ; [L920] int tmp___0 ; [L924] CALL, EXPR getWaterLevel() [L799] int retValue_acc ; [L802] retValue_acc = waterLevel [L803] RET return (retValue_acc); [L924] EXPR getWaterLevel() [L924] tmp = getWaterLevel() [L926] COND FALSE, RET !(tmp == 0) [L547] RET __utac_acc__Specification4_spec__1() [L504] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...