./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product29_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_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/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 631d408ab8d73cb8fd4951a002aee07700685b60 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:58:57,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:58:57,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:58:57,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:58:57,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:58:57,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:58:57,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:58:57,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:58:57,057 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:58:57,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:58:57,058 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:58:57,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:58:57,059 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:58:57,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:58:57,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:58:57,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:58:57,061 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:58:57,063 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:58:57,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:58:57,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:58:57,066 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:58:57,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:58:57,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:58:57,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:58:57,068 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:58:57,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:58:57,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:58:57,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:58:57,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:58:57,071 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:58:57,072 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:58:57,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:58:57,072 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:58:57,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:58:57,073 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:58:57,073 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:58:57,074 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:58:57,084 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:58:57,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:58:57,086 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:58:57,086 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:58:57,086 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:58:57,086 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:58:57,086 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:58:57,086 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:58:57,086 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:58:57,087 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:58:57,087 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:58:57,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:58:57,087 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:58:57,087 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:58:57,087 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:58:57,087 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:58:57,088 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:58:57,089 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:58:57,089 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:58:57,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:58:57,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:58:57,089 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:58:57,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:58:57,090 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:58:57,090 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:58:57,090 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:58:57,091 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_0434ed18-6ac8-4254-a27d-b86febe6e47c/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 -> 631d408ab8d73cb8fd4951a002aee07700685b60 [2018-11-18 10:58:57,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:58:57,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:58:57,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:58:57,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:58:57,130 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:58:57,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product29_true-unreach-call_false-termination.cil.c [2018-11-18 10:58:57,169 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/data/3e56c7489/76b430150a4944c9a372ea18002bc70c/FLAGdc7243735 [2018-11-18 10:58:57,584 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:58:57,585 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/sv-benchmarks/c/product-lines/minepump_spec5_product29_true-unreach-call_false-termination.cil.c [2018-11-18 10:58:57,593 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/data/3e56c7489/76b430150a4944c9a372ea18002bc70c/FLAGdc7243735 [2018-11-18 10:58:57,601 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/data/3e56c7489/76b430150a4944c9a372ea18002bc70c [2018-11-18 10:58:57,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:58:57,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:58:57,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:58:57,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:58:57,606 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:58:57,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:57,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57, skipping insertion in model container [2018-11-18 10:58:57,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:57,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:58:57,644 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:58:57,831 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:58:57,839 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:58:57,944 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:58:57,964 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:58:57,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57 WrapperNode [2018-11-18 10:58:57,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:58:57,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:58:57,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:58:57,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:58:57,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:57,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:58:58,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:58:58,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:58:58,012 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:58:58,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... [2018-11-18 10:58:58,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:58:58,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:58:58,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:58:58,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:58:58,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/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 10:58:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:58:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:58:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:58:58,652 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:58:58,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:58:58 BoogieIcfgContainer [2018-11-18 10:58:58,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:58:58,653 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:58:58,653 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:58:58,657 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:58:58,657 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:58:58,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:58:57" (1/3) ... [2018-11-18 10:58:58,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c085cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:58:58, skipping insertion in model container [2018-11-18 10:58:58,659 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:58:58,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:58:57" (2/3) ... [2018-11-18 10:58:58,659 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c085cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:58:58, skipping insertion in model container [2018-11-18 10:58:58,659 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:58:58,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:58:58" (3/3) ... [2018-11-18 10:58:58,661 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product29_true-unreach-call_false-termination.cil.c [2018-11-18 10:58:58,706 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:58:58,706 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:58:58,707 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:58:58,707 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:58:58,707 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:58:58,707 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:58:58,707 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:58:58,707 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:58:58,707 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:58:58,722 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 10:58:58,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2018-11-18 10:58:58,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:58,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:58,753 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:58,754 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:58,754 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:58:58,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 10:58:58,759 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2018-11-18 10:58:58,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:58,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:58,760 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:58,760 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:58,765 INFO L794 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(13);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 44];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 80];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 117];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 109];#memory_int := #memory_int[#t~string23.base,4 + #t~string23.offset := 112];#memory_int := #memory_int[#t~string23.base,5 + #t~string23.offset := 58];#memory_int := #memory_int[#t~string23.base,6 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 110];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 41];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 32];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 10];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 8#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#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; 5#L73true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 110#L270true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 156#L244true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 158#L924true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3#L497-3true [2018-11-18 10:58:58,766 INFO L796 eck$LassoCheckResult]: Loop: 3#L497-3true assume true; 9#L497-1true assume !false; 115#L498true assume test_~splverifierCounter~0 < 4; 43#L499true test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 85#L507true assume !(0 != test_~tmp~5); 62#L507-2true test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 138#L517true assume !(0 != test_~tmp___0~1); 118#L517-2true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 22#L527true assume 0 != test_~tmp___2~0; 157#L533-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret72;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 98#L427true __utac_acc__Specification5_spec__2_#t~ret72 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret72;havoc __utac_acc__Specification5_spec__2_#t~ret72; 54#L934true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 7#L299true assume !(0 != ~pumpRunning~0); 155#L299-2true assume !(0 != ~systemActive~0); 82#L306-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 16#L169true __utac_acc__Specification5_spec__3_#t~ret73 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 52#L945true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 56#L945-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 133#L316true assume { :end_inline_timeShift } true; 3#L497-3true [2018-11-18 10:58:58,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:58,771 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 10:58:58,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:58,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:58,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:58,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:58,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:58,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:58,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1454202979, now seen corresponding path program 1 times [2018-11-18 10:58:58,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:58,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:58,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:58,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:58,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:58,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:58,956 INFO L82 PathProgramCache]: Analyzing trace with hash -24454636, now seen corresponding path program 1 times [2018-11-18 10:58:58,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:58,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:58,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:58,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:58,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:58:59,085 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 10:58:59,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:58:59,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:58:59,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:58:59,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:58:59,179 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 6 states. [2018-11-18 10:58:59,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:58:59,296 INFO L93 Difference]: Finished difference Result 159 states and 202 transitions. [2018-11-18 10:58:59,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:58:59,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 202 transitions. [2018-11-18 10:58:59,302 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2018-11-18 10:58:59,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 149 states and 192 transitions. [2018-11-18 10:58:59,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2018-11-18 10:58:59,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2018-11-18 10:58:59,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 192 transitions. [2018-11-18 10:58:59,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:58:59,310 INFO L705 BuchiCegarLoop]: Abstraction has 149 states and 192 transitions. [2018-11-18 10:58:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 192 transitions. [2018-11-18 10:58:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 10:58:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 10:58:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 192 transitions. [2018-11-18 10:58:59,342 INFO L728 BuchiCegarLoop]: Abstraction has 149 states and 192 transitions. [2018-11-18 10:58:59,342 INFO L608 BuchiCegarLoop]: Abstraction has 149 states and 192 transitions. [2018-11-18 10:58:59,342 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:58:59,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 192 transitions. [2018-11-18 10:58:59,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2018-11-18 10:58:59,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:59,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:59,345 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:59,345 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 10:58:59,345 INFO L794 eck$LassoCheckResult]: Stem: 472#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(13);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 44];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 80];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 117];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 109];#memory_int := #memory_int[#t~string23.base,4 + #t~string23.offset := 112];#memory_int := #memory_int[#t~string23.base,5 + #t~string23.offset := 58];#memory_int := #memory_int[#t~string23.base,6 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 110];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 41];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 32];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 10];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 346#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 350#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; 343#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 344#L270 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 468#L244 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 487#L924 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 339#L497-3 [2018-11-18 10:58:59,346 INFO L796 eck$LassoCheckResult]: Loop: 339#L497-3 assume true; 340#L497-1 assume !false; 351#L498 assume test_~splverifierCounter~0 < 4; 401#L499 test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 402#L507 assume !(0 != test_~tmp~5); 421#L507-2 test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 422#L517 assume !(0 != test_~tmp___0~1); 448#L517-2 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 372#L527 assume 0 != test_~tmp___2~0; 342#L533-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret72;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 458#L427 __utac_acc__Specification5_spec__2_#t~ret72 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret72;havoc __utac_acc__Specification5_spec__2_#t~ret72; 413#L934 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 347#L299 assume !(0 != ~pumpRunning~0); 349#L299-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 486#L357 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 399#L331-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 394#L323-3 assume { :end_inline_processEnvironment__wrappee__base } true; 391#L331-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 404#L357-1 assume { :end_inline_processEnvironment } true; 440#L306-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 362#L169 __utac_acc__Specification5_spec__3_#t~ret73 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 363#L945 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9); 410#L945-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 414#L316 assume { :end_inline_timeShift } true; 339#L497-3 [2018-11-18 10:58:59,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:59,346 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 10:58:59,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:59,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:59,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:59,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:59,403 INFO L82 PathProgramCache]: Analyzing trace with hash -540700072, now seen corresponding path program 1 times [2018-11-18 10:58:59,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:59,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:59,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,404 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:58:59,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:59,413 INFO L82 PathProgramCache]: Analyzing trace with hash -776844735, now seen corresponding path program 1 times [2018-11-18 10:58:59,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:59,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:59,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:59,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:58:59,480 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 10:58:59,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:58:59,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:58:59,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:58:59,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:58:59,572 INFO L87 Difference]: Start difference. First operand 149 states and 192 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 10:58:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:58:59,794 INFO L93 Difference]: Finished difference Result 465 states and 598 transitions. [2018-11-18 10:58:59,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:58:59,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 465 states and 598 transitions. [2018-11-18 10:58:59,801 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 194 [2018-11-18 10:58:59,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 465 states to 465 states and 598 transitions. [2018-11-18 10:58:59,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 465 [2018-11-18 10:58:59,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 465 [2018-11-18 10:58:59,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 465 states and 598 transitions. [2018-11-18 10:58:59,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:58:59,808 INFO L705 BuchiCegarLoop]: Abstraction has 465 states and 598 transitions. [2018-11-18 10:58:59,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states and 598 transitions. [2018-11-18 10:58:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 286. [2018-11-18 10:58:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-11-18 10:58:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 365 transitions. [2018-11-18 10:58:59,820 INFO L728 BuchiCegarLoop]: Abstraction has 286 states and 365 transitions. [2018-11-18 10:58:59,820 INFO L608 BuchiCegarLoop]: Abstraction has 286 states and 365 transitions. [2018-11-18 10:58:59,820 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:58:59,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 286 states and 365 transitions. [2018-11-18 10:58:59,822 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 194 [2018-11-18 10:58:59,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:58:59,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:58:59,824 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:58:59,824 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] [2018-11-18 10:58:59,824 INFO L794 eck$LassoCheckResult]: Stem: 1107#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(13);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 44];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 80];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 117];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 109];#memory_int := #memory_int[#t~string23.base,4 + #t~string23.offset := 112];#memory_int := #memory_int[#t~string23.base,5 + #t~string23.offset := 58];#memory_int := #memory_int[#t~string23.base,6 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 110];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 41];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 32];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 10];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 975#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 976#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 980#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; 973#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 974#L270 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1103#L244 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1128#L924 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 969#L497-3 [2018-11-18 10:58:59,824 INFO L796 eck$LassoCheckResult]: Loop: 969#L497-3 assume true; 970#L497-1 assume !false; 981#L498 assume test_~splverifierCounter~0 < 4; 1032#L499 test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 1033#L507 assume !(0 != test_~tmp~5); 1077#L507-2 test_~tmp___0~1 := test_#t~nondet34;havoc test_#t~nondet34; 1253#L517 assume !(0 != test_~tmp___0~1); 1251#L517-2 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 1249#L527 assume 0 != test_~tmp___2~0; 1248#L533-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret72;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 1247#L427 __utac_acc__Specification5_spec__2_#t~ret72 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret72;havoc __utac_acc__Specification5_spec__2_#t~ret72; 1246#L934 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1245#L299 assume !(0 != ~pumpRunning~0); 1244#L299-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1213#L357 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret12, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1211#L331-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1024#L323-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1021#L331-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1035#L357-1 assume { :end_inline_processEnvironment } true; 1073#L306-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_~tmp~9, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~9;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 992#L169 __utac_acc__Specification5_spec__3_#t~ret73 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 993#L945 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 1041#L427-1 __utac_acc__Specification5_spec__3_#t~ret74 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 1126#L949 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1044#L945-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1045#L316 assume { :end_inline_timeShift } true; 969#L497-3 [2018-11-18 10:58:59,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:59,825 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 10:58:59,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:59,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:59,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:59,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:59,869 INFO L82 PathProgramCache]: Analyzing trace with hash 59176627, now seen corresponding path program 1 times [2018-11-18 10:58:59,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:59,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:59,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,870 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:58:59,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:58:59,878 INFO L82 PathProgramCache]: Analyzing trace with hash 757422172, now seen corresponding path program 1 times [2018-11-18 10:58:59,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:58:59,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:58:59,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:58:59,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:58:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:58:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:59:30,873 WARN L180 SmtUtils]: Spent 30.82 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 10:59:50,862 WARN L180 SmtUtils]: Spent 19.99 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 10:59:50,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:59:50 BoogieIcfgContainer [2018-11-18 10:59:50,918 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:59:50,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:59:50,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:59:50,918 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:59:50,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:58:58" (3/4) ... [2018-11-18 10:59:50,922 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:59:50,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0434ed18-6ac8-4254-a27d-b86febe6e47c/bin-2019/uautomizer/witness.graphml [2018-11-18 10:59:50,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:59:50,971 INFO L168 Benchmark]: Toolchain (without parser) took 53367.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -272.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,971 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:59:50,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -203.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,972 INFO L168 Benchmark]: Boogie Preprocessor took 29.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,972 INFO L168 Benchmark]: RCFGBuilder took 611.46 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: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,973 INFO L168 Benchmark]: BuchiAutomizer took 52264.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 132.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -156.6 MB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,973 INFO L168 Benchmark]: Witness Printer took 52.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:59:50,975 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -203.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 611.46 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: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52264.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 132.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -156.6 MB). Peak memory consumption was 319.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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 286 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 52.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 51.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 179 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 286 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 472 SDtfs, 1328 SDslu, 641 SDs, 0 SdLazy, 103 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 497]: 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, "i > 0 && i <= this->argsCount"=0, ")"=27, "i > 0 && i <= this->argsCount"=16, retValue_acc=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=37, "libacc.c"=15, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d0e3e94=0, "OK"=28, tmp=1, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=8, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=31, tmp___1=0, ") "=18, ",Pump:"=22, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "On"=20, "\n"=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22c3fa5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d57408e=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@490c77f2=165, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13299a4d=0, "Pump(System:"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17ddb99b=0, "On"=0, ",Pump:"=0, "Off"=0, "Off"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=36, \result=1, "i > 0 && i <= this->argsCount"=14, ")"=0, "__utac__get_this_arg"=39, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, retValue_acc=1, ",Meth:"=29, \result=1, head=0, pumpRunning=0, tmp___0=0, tmp=1, "__utac__get_this_arg"=12, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b6d9167=0, "Off"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680735c=0, "On"=0, "__utac__get_this_argtype"=38, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=40, retValue_acc=1, tmp___2=165, tmp___0=0, splverifierCounter=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60da171c=0, "CRIT"=11, "libacc.c"=35, tmp=0, head=0, tmp=0, "On"=24, "Off"=19, "\n"=0, retValue_acc=0, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45641661=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 497]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L146] FCALL "Env(Water:%i" [L147] FCALL ",Meth:" [L151] FCALL "CRIT" [L155] FCALL "OK" [L159] FCALL ")" [L436] FCALL "Pump(System:" [L440] FCALL "On" [L444] FCALL "Off" [L448] FCALL ",Pump:" [L452] FCALL "On" [L456] FCALL "Off" [L460] FCALL ") " [L462] FCALL "\n" [L849] FCALL "i > 0 && i <= this->argsCount" [L849] FCALL "libacc.c" [L850] FCALL "__utac__get_this_arg" [L856] FCALL "i > 0 && i <= this->argsCount" [L856] FCALL "libacc.c" [L857] FCALL "__utac__get_this_arg" [L895] FCALL "i > 0 && i <= this->argsCount" [L895] FCALL "libacc.c" [L896] FCALL "__utac__get_this_argtype" [L902] FCALL "i > 0 && i <= this->argsCount" [L902] FCALL "libacc.c" [L903] FCALL "__utac__get_this_argtype" [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L287] int pumpRunning = 0; [L288] int systemActive = 1; [L918] int switchedOnBeforeTS ; [L721] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L261] int retValue_acc ; [L262] int tmp ; [L266] FCALL select_helpers() [L267] FCALL select_features() [L268] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L268] EXPR valid_product() [L268] tmp = valid_product() [L270] COND TRUE \read(tmp) [L272] FCALL setup() [L273] CALL runTest() [L254] CALL __utac_acc__Specification5_spec__1() [L923] RET switchedOnBeforeTS = 0 [L254] __utac_acc__Specification5_spec__1() [L255] CALL test() [L488] int splverifierCounter ; [L489] int tmp ; [L490] int tmp___0 ; [L491] int tmp___1 ; [L492] int tmp___2 ; [L495] splverifierCounter = 0 Loop: [L497] COND TRUE 1 [L499] COND TRUE splverifierCounter < 4 [L505] tmp = __VERIFIER_nondet_int() [L507] COND FALSE !(\read(tmp)) [L515] tmp___0 = __VERIFIER_nondet_int() [L517] COND FALSE !(\read(tmp___0)) [L525] tmp___2 = __VERIFIER_nondet_int() [L527] COND TRUE \read(tmp___2) [L540] CALL timeShift() [L297] CALL __utac_acc__Specification5_spec__2() [L932] CALL, EXPR isPumpRunning() [L423] int retValue_acc ; [L426] retValue_acc = pumpRunning [L427] RET return (retValue_acc); [L932] EXPR isPumpRunning() [L932] RET switchedOnBeforeTS = isPumpRunning() [L297] __utac_acc__Specification5_spec__2() [L299] COND FALSE !(\read(pumpRunning)) [L306] COND TRUE \read(systemActive) [L308] CALL processEnvironment() [L354] int tmp ; [L357] COND FALSE !(\read(pumpRunning)) [L372] CALL processEnvironment__wrappee__methaneQuery() [L328] int tmp ; [L331] COND FALSE !(\read(pumpRunning)) [L346] RET, FCALL processEnvironment__wrappee__base() [L372] RET processEnvironment__wrappee__methaneQuery() [L308] processEnvironment() [L314] CALL __utac_acc__Specification5_spec__3() [L938] int tmp ; [L939] int tmp___0 ; [L943] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] RET return (retValue_acc); [L943] EXPR getWaterLevel() [L943] tmp = getWaterLevel() [L945] COND TRUE tmp != 2 [L947] CALL, EXPR isPumpRunning() [L423] int retValue_acc ; [L426] retValue_acc = pumpRunning [L427] RET return (retValue_acc); [L947] EXPR isPumpRunning() [L947] tmp___0 = isPumpRunning() [L949] COND FALSE, RET !(\read(tmp___0)) [L314] RET __utac_acc__Specification5_spec__3() [L540] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...