./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56_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_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/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 210feffc8ddd7d7862cfab969b7a82589a978274 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:07:09,703 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:07:09,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:07:09,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:07:09,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:07:09,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:07:09,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:07:09,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:07:09,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:07:09,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:07:09,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:07:09,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:07:09,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:07:09,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:07:09,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:07:09,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:07:09,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:07:09,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:07:09,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:07:09,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:07:09,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:07:09,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:07:09,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:07:09,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:07:09,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:07:09,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:07:09,729 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:07:09,730 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:07:09,731 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:07:09,732 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:07:09,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:07:09,732 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:07:09,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:07:09,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:07:09,733 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:07:09,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:07:09,734 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:07:09,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:07:09,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:07:09,746 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:07:09,746 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:07:09,746 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:07:09,746 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:07:09,746 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:07:09,747 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:07:09,747 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:07:09,747 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:07:09,747 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:07:09,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:07:09,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:07:09,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:07:09,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:07:09,749 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:07:09,749 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:07:09,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:07:09,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:07:09,749 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:07:09,749 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:07:09,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:07:09,750 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:07:09,750 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:07:09,753 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:07:09,753 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_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/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 -> 210feffc8ddd7d7862cfab969b7a82589a978274 [2018-11-18 16:07:09,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:07:09,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:07:09,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:07:09,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:07:09,791 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:07:09,792 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-18 16:07:09,838 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/data/ec4cc866f/4eaeec87cdad422aba9219d090e8cdfc/FLAG6625a133e [2018-11-18 16:07:10,213 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:07:10,214 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/sv-benchmarks/c/product-lines/minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-18 16:07:10,224 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/data/ec4cc866f/4eaeec87cdad422aba9219d090e8cdfc/FLAG6625a133e [2018-11-18 16:07:10,599 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/data/ec4cc866f/4eaeec87cdad422aba9219d090e8cdfc [2018-11-18 16:07:10,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:07:10,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:07:10,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:07:10,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:07:10,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:07:10,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:07:10" (1/1) ... [2018-11-18 16:07:10,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3f3673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:10, skipping insertion in model container [2018-11-18 16:07:10,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:07:10" (1/1) ... [2018-11-18 16:07:10,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:07:10,659 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:07:10,893 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:07:10,902 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:07:10,965 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:07:11,064 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:07:11,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11 WrapperNode [2018-11-18 16:07:11,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:07:11,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:07:11,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:07:11,066 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:07:11,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:07:11,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:07:11,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:07:11,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:07:11,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... [2018-11-18 16:07:11,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:07:11,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:07:11,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:07:11,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:07:11,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 16:07:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:07:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:07:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:07:12,477 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:07:12,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:07:12 BoogieIcfgContainer [2018-11-18 16:07:12,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:07:12,478 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:07:12,478 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:07:12,481 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:07:12,482 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:07:12,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:07:10" (1/3) ... [2018-11-18 16:07:12,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@602648b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:07:12, skipping insertion in model container [2018-11-18 16:07:12,483 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:07:12,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:07:11" (2/3) ... [2018-11-18 16:07:12,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@602648b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:07:12, skipping insertion in model container [2018-11-18 16:07:12,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:07:12,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:07:12" (3/3) ... [2018-11-18 16:07:12,485 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product56_true-unreach-call_false-termination.cil.c [2018-11-18 16:07:12,529 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:07:12,529 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:07:12,529 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:07:12,529 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:07:12,530 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:07:12,530 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:07:12,530 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:07:12,530 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:07:12,530 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:07:12,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 277 states. [2018-11-18 16:07:12,577 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 183 [2018-11-18 16:07:12,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:07:12,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:07:12,584 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:12,584 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:12,584 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:07:12,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 277 states. [2018-11-18 16:07:12,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 183 [2018-11-18 16:07:12,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:07:12,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:07:12,592 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:12,592 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:12,597 INFO L794 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 17#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 167#L998true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 107#L991true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 36#L1006true main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 251#L850true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 65#L824true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 193#L678-3true [2018-11-18 16:07:12,597 INFO L796 eck$LassoCheckResult]: Loop: 193#L678-3true assume true; 211#L678-1true assume !false; 273#L679true assume test_~splverifierCounter~0 < 4; 220#L680true test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 114#L688true assume !(0 != test_~tmp~8); 106#L688-2true test_~tmp___0~2 := test_#t~nondet58;havoc test_#t~nondet58; 31#L698true assume !(0 != test_~tmp___0~2); 8#L698-2true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 86#L708true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet60;havoc test_#t~nondet60; 101#L716true assume !(0 != test_~tmp___1~0); 102#L716-2true assume { :begin_inline_timeShift } true; 120#L60true assume !(0 != ~pumpRunning~0); 116#L60-2true assume !(0 != ~systemActive~0); 208#L67-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; 179#L948true __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 75#L747true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 78#L747-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 113#L77true assume { :end_inline_timeShift } true; 193#L678-3true [2018-11-18 16:07:12,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:12,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:07:12,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:12,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:12,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:12,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:07:12,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:12,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:12,798 INFO L82 PathProgramCache]: Analyzing trace with hash -755327807, now seen corresponding path program 1 times [2018-11-18 16:07:12,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:12,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:12,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:12,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:07:12,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:12,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash 427313541, now seen corresponding path program 1 times [2018-11-18 16:07:12,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:12,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:12,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:12,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:07:12,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:07:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:07:12,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:07:12,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:07:13,106 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-11-18 16:07:13,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:07:13,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:07:13,174 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 6 states. [2018-11-18 16:07:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:07:13,623 INFO L93 Difference]: Finished difference Result 872 states and 1159 transitions. [2018-11-18 16:07:13,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:07:13,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 872 states and 1159 transitions. [2018-11-18 16:07:13,638 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 576 [2018-11-18 16:07:13,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 872 states to 832 states and 1119 transitions. [2018-11-18 16:07:13,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 832 [2018-11-18 16:07:13,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 832 [2018-11-18 16:07:13,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 832 states and 1119 transitions. [2018-11-18 16:07:13,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:07:13,672 INFO L705 BuchiCegarLoop]: Abstraction has 832 states and 1119 transitions. [2018-11-18 16:07:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states and 1119 transitions. [2018-11-18 16:07:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 318. [2018-11-18 16:07:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-18 16:07:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 426 transitions. [2018-11-18 16:07:13,711 INFO L728 BuchiCegarLoop]: Abstraction has 318 states and 426 transitions. [2018-11-18 16:07:13,711 INFO L608 BuchiCegarLoop]: Abstraction has 318 states and 426 transitions. [2018-11-18 16:07:13,711 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:07:13,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 426 transitions. [2018-11-18 16:07:13,713 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 221 [2018-11-18 16:07:13,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:07:13,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:07:13,714 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:13,714 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] [2018-11-18 16:07:13,715 INFO L794 eck$LassoCheckResult]: Stem: 1322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1197#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1320#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1231#L1006 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 1232#L850 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1272#L824 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1273#L678-3 [2018-11-18 16:07:13,715 INFO L796 eck$LassoCheckResult]: Loop: 1273#L678-3 assume true; 1401#L678-1 assume !false; 1419#L679 assume test_~splverifierCounter~0 < 4; 1423#L680 test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 1326#L688 assume !(0 != test_~tmp~8); 1319#L688-2 test_~tmp___0~2 := test_#t~nondet58;havoc test_#t~nondet58; 1221#L698 assume !(0 != test_~tmp___0~2); 1178#L698-2 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 1179#L708 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1298#L295 assume { :end_inline_startSystem } true; 1306#L716-2 assume { :begin_inline_timeShift } true; 1317#L60 assume !(0 != ~pumpRunning~0); 1276#L60-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1328#L144 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret3, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 1402#L916 isMethaneAlarm_#t~ret3 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret3;havoc isMethaneAlarm_#t~ret3;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; 1407#L188 processEnvironment_#t~ret2 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2 := processEnvironment_#t~ret2;havoc processEnvironment_#t~ret2; 1339#L148 assume 0 != processEnvironment_~tmp~2;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 1340#L178-1 assume { :end_inline_deactivatePump } true; 1397#L144-1 assume { :end_inline_processEnvironment } true; 1398#L67-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; 1387#L948 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 1283#L747 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 1284#L747-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1288#L77 assume { :end_inline_timeShift } true; 1273#L678-3 [2018-11-18 16:07:13,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:13,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:07:13,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:13,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:13,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:13,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:07:13,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:13,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:13,773 INFO L82 PathProgramCache]: Analyzing trace with hash -272681028, now seen corresponding path program 1 times [2018-11-18 16:07:13,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:13,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:13,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:13,775 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:07:13,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:07:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:07:13,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:07:13,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:07:13,801 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:07:13,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:07:13,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:07:13,802 INFO L87 Difference]: Start difference. First operand 318 states and 426 transitions. cyclomatic complexity: 111 Second operand 3 states. [2018-11-18 16:07:14,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:07:14,137 INFO L93 Difference]: Finished difference Result 326 states and 411 transitions. [2018-11-18 16:07:14,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:07:14,138 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 326 states and 411 transitions. [2018-11-18 16:07:14,142 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2018-11-18 16:07:14,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 326 states to 326 states and 411 transitions. [2018-11-18 16:07:14,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 326 [2018-11-18 16:07:14,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 326 [2018-11-18 16:07:14,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 326 states and 411 transitions. [2018-11-18 16:07:14,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:07:14,145 INFO L705 BuchiCegarLoop]: Abstraction has 326 states and 411 transitions. [2018-11-18 16:07:14,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states and 411 transitions. [2018-11-18 16:07:14,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2018-11-18 16:07:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-11-18 16:07:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 411 transitions. [2018-11-18 16:07:14,159 INFO L728 BuchiCegarLoop]: Abstraction has 326 states and 411 transitions. [2018-11-18 16:07:14,159 INFO L608 BuchiCegarLoop]: Abstraction has 326 states and 411 transitions. [2018-11-18 16:07:14,159 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:07:14,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 326 states and 411 transitions. [2018-11-18 16:07:14,161 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 233 [2018-11-18 16:07:14,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:07:14,161 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:07:14,162 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:14,162 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:07:14,162 INFO L794 eck$LassoCheckResult]: Stem: 1948#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);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 := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(21);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(30);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(9);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1838#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~7, main_~tmp~10;havoc main_~retValue_acc~7;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1839#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1947#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1868#L1006 main_#t~ret63 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret63;havoc main_#t~ret63; 1869#L850 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1901#L824 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1902#L678-3 [2018-11-18 16:07:14,163 INFO L796 eck$LassoCheckResult]: Loop: 1902#L678-3 assume true; 2112#L678-1 assume !false; 2111#L679 assume test_~splverifierCounter~0 < 4; 2039#L680 test_~tmp~8 := test_#t~nondet57;havoc test_#t~nondet57; 1954#L688 assume !(0 != test_~tmp~8); 1944#L688-2 test_~tmp___0~2 := test_#t~nondet58;havoc test_#t~nondet58; 1861#L698 assume !(0 != test_~tmp___0~2); 1863#L698-2 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 2119#L708 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1924#L295 assume { :end_inline_startSystem } true; 1931#L716-2 assume { :begin_inline_timeShift } true; 2117#L60 assume !(0 != ~pumpRunning~0); 1956#L60-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret2, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1957#L144 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret1, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 2024#L118-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1889#L92-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret20, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1890#L956-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1899#L961-3 isHighWaterLevel_#t~ret20 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret20;havoc isHighWaterLevel_#t~ret20; 1896#L246-9 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 1887#L246-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1859#L252-3 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1860#L96-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2003#L84-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1884#L92-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1885#L118-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2019#L144-1 assume { :end_inline_processEnvironment } true; 2020#L67-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; 2033#L948 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 2115#L747 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 2114#L747-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 2113#L77 assume { :end_inline_timeShift } true; 1902#L678-3 [2018-11-18 16:07:14,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:14,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:07:14,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:14,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:14,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:14,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:07:14,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:14,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:14,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1778328041, now seen corresponding path program 1 times [2018-11-18 16:07:14,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:14,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:14,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:14,201 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:07:14,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:14,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:07:14,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1206342565, now seen corresponding path program 1 times [2018-11-18 16:07:14,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:07:14,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:07:14,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:14,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:07:14,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:07:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:07:14,413 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-18 16:07:58,191 WARN L180 SmtUtils]: Spent 43.75 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:08:19,692 WARN L180 SmtUtils]: Spent 21.50 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:08:19,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:08:19 BoogieIcfgContainer [2018-11-18 16:08:19,775 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:08:19,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:08:19,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:08:19,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:08:19,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:07:12" (3/4) ... [2018-11-18 16:08:19,777 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:08:19,823 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ae8b1f0c-3fc2-4a88-aecd-e87d865df276/bin-2019/uautomizer/witness.graphml [2018-11-18 16:08:19,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:08:19,824 INFO L168 Benchmark]: Toolchain (without parser) took 69221.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 958.0 MB in the beginning and 870.4 MB in the end (delta: 87.7 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:19,825 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:08:19,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:19,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.55 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 16:08:19,826 INFO L168 Benchmark]: Boogie Preprocessor took 39.30 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 16:08:19,826 INFO L168 Benchmark]: RCFGBuilder took 1316.67 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: 85.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:19,828 INFO L168 Benchmark]: BuchiAutomizer took 67296.55 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 876.3 MB in the end (delta: 155.0 MB). Peak memory consumption was 191.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:19,828 INFO L168 Benchmark]: Witness Printer took 48.71 ms. Allocated memory is still 1.2 GB. Free memory was 876.3 MB in the beginning and 870.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:08:19,830 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 461.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.55 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 39.30 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. * RCFGBuilder took 1316.67 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: 85.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 67296.55 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 876.3 MB in the end (delta: 155.0 MB). Peak memory consumption was 191.7 MB. Max. memory is 11.5 GB. * Witness Printer took 48.71 ms. Allocated memory is still 1.2 GB. Free memory was 876.3 MB in the beginning and 870.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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 326 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 67.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 66.2s. Construction of modules took 0.5s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 514 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 326 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 647 SDtfs, 2294 SDslu, 2098 SDs, 0 SdLazy, 91 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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: 678]: 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 {"Off"=28, NULL=0, "i > 0 && i <= this->argsCount"=0, "OK"=38, "libacc.c"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "On"=34, retValue_acc=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, ",Pump:"=31, retValue_acc=1, methaneLevelCritical=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ea3961e=0, tmp___0=0, "Env(Water:%i"=0, "CRIT"=0, "libacc.c"=23, retValue_acc=0, ",Meth:"=0, tmp=0, tmp___1=0, tmp=0, cleanupTimeShifts=4, "__utac__get_this_arg"=22, "libacc.c"=16, "__utac__get_this_arg"=18, tmp=1, "libacc.c"=12, tmp___0=0, ") "=27, NULL=0, systemActive=1, waterLevel=1, "CRIT"=36, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6032d63d=0, "i > 0 && i <= this->argsCount"=0, \result=0, "libacc.c"=19, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "libacc.c"=0, \result=1, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=17, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bdabe00=0, "i > 0 && i <= this->argsCount"=14, "\n"=0, "Off"=0, "__utac__get_this_argtype"=0, ") "=0, \result=1, ",Meth:"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f01e6a=0, "OK"=0, tmp=1, ")"=0, retValue_acc=1, "Pump(System:"=35, tmp___2=156, tmp___0=0, tmp=1, retValue_acc=1, splverifierCounter=0, "Off"=0, "On"=0, "Pump(System:"=0, ")"=37, "Off"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3873e1df=156, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@381afa88=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ecce5f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f03669a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7662370a=0, tmp=0, head=0, "\n"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@104eeaf2=0, "i > 0 && i <= this->argsCount"=20, "i > 0 && i <= this->argsCount"=24, "On"=0, ",Pump:"=0, "On"=29, "__utac__get_this_argtype"=8, "Env(Water:%i"=11, "__utac__get_this_argtype"=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f5bf9a=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 678]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L206] FCALL "Pump(System:" [L210] FCALL "On" [L214] FCALL "Off" [L218] FCALL ",Pump:" [L222] FCALL "On" [L226] FCALL "Off" [L230] FCALL ") " [L232] FCALL "\n" [L596] FCALL "i > 0 && i <= this->argsCount" [L596] FCALL "libacc.c" [L597] FCALL "__utac__get_this_arg" [L603] FCALL "i > 0 && i <= this->argsCount" [L603] FCALL "libacc.c" [L604] FCALL "__utac__get_this_arg" [L642] FCALL "i > 0 && i <= this->argsCount" [L642] FCALL "libacc.c" [L643] FCALL "__utac__get_this_argtype" [L649] FCALL "i > 0 && i <= this->argsCount" [L649] FCALL "libacc.c" [L650] FCALL "__utac__get_this_argtype" [L925] FCALL "Env(Water:%i" [L926] FCALL ",Meth:" [L930] FCALL "CRIT" [L934] FCALL "OK" [L938] FCALL ")" [L52] int pumpRunning = 0; [L53] int systemActive = 1; [L765] int cleanupTimeShifts = 4; [L873] int waterLevel = 1; [L874] int methaneLevelCritical = 0; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L841] int retValue_acc ; [L842] int tmp ; [L846] FCALL select_helpers() [L847] FCALL select_features() [L848] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] RET return (retValue_acc); [L848] EXPR valid_product() [L848] tmp = valid_product() [L850] COND TRUE \read(tmp) [L852] FCALL setup() [L853] CALL runTest() [L832] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND TRUE \read(tmp___2) [L710] CALL startSystem() [L294] RET systemActive = 1 [L710] startSystem() [L725] CALL timeShift() [L60] COND FALSE !(\read(pumpRunning)) [L67] COND TRUE \read(systemActive) [L69] CALL processEnvironment() [L141] int tmp ; [L144] COND FALSE !(\read(pumpRunning)) [L159] CALL processEnvironment__wrappee__lowWaterSensor() [L115] int tmp ; [L118] COND FALSE !(\read(pumpRunning)) [L133] CALL processEnvironment__wrappee__highWaterSensor() [L89] int tmp ; [L92] COND TRUE ! pumpRunning [L94] CALL, EXPR isHighWaterLevel() [L238] int retValue_acc ; [L239] int tmp ; [L240] int tmp___0 ; [L244] CALL, EXPR isHighWaterSensorDry() [L953] int retValue_acc ; [L956] COND TRUE waterLevel < 2 [L957] retValue_acc = 1 [L958] RET return (retValue_acc); [L244] EXPR isHighWaterSensorDry() [L244] tmp = isHighWaterSensorDry() [L246] COND TRUE \read(tmp) [L247] tmp___0 = 0 [L251] retValue_acc = tmp___0 [L252] RET return (retValue_acc); [L94] EXPR isHighWaterLevel() [L94] tmp = isHighWaterLevel() [L96] COND FALSE !(\read(tmp)) [L102] RET, FCALL processEnvironment__wrappee__base() [L133] RET processEnvironment__wrappee__highWaterSensor() [L159] RET processEnvironment__wrappee__lowWaterSensor() [L69] processEnvironment() [L75] CALL __utac_acc__Specification4_spec__1() [L740] int tmp ; [L741] int tmp___0 ; [L745] CALL, EXPR getWaterLevel() [L944] int retValue_acc ; [L947] retValue_acc = waterLevel [L948] RET return (retValue_acc); [L745] EXPR getWaterLevel() [L745] tmp = getWaterLevel() [L747] COND FALSE, RET !(tmp == 0) [L75] RET __utac_acc__Specification4_spec__1() [L725] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...