./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_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_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/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 ce17648ffa5822f201dca35a60378555aafbd885 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:59:10,010 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:59:10,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:59:10,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:59:10,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:59:10,021 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:59:10,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:59:10,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:59:10,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:59:10,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:59:10,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:59:10,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:59:10,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:59:10,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:59:10,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:59:10,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:59:10,029 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:59:10,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:59:10,032 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:59:10,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:59:10,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:59:10,035 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:59:10,037 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:59:10,037 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:59:10,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:59:10,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:59:10,039 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:59:10,039 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:59:10,040 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:59:10,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:59:10,041 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:59:10,041 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:59:10,041 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:59:10,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:59:10,042 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:59:10,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:59:10,043 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:59:10,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:59:10,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:59:10,055 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:59:10,055 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:59:10,055 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:59:10,055 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:59:10,055 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:59:10,056 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:59:10,056 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:59:10,056 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:59:10,056 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:59:10,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:59:10,056 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:59:10,057 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:59:10,057 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:59:10,057 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:59:10,057 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:59:10,057 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:59:10,057 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:59:10,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:59:10,058 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:59:10,058 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:59:10,058 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:59:10,058 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:59:10,058 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:59:10,059 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:59:10,059 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:59:10,059 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:59:10,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:59:10,059 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:59:10,059 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:59:10,060 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:59:10,061 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_bfdcb131-9456-453f-acbb-519aa593c08c/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-18 08:59:10,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:59:10,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:59:10,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:59:10,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:59:10,106 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:59:10,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-18 08:59:10,162 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/data/127433465/1832c1ac25574176bdff7448970b3dcd/FLAG52d59594e [2018-11-18 08:59:10,568 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:59:10,569 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-18 08:59:10,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/data/127433465/1832c1ac25574176bdff7448970b3dcd/FLAG52d59594e [2018-11-18 08:59:10,588 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/data/127433465/1832c1ac25574176bdff7448970b3dcd [2018-11-18 08:59:10,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:59:10,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:59:10,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:59:10,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:59:10,595 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:59:10,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:10" (1/1) ... [2018-11-18 08:59:10,598 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 08:59:10, skipping insertion in model container [2018-11-18 08:59:10,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:10" (1/1) ... [2018-11-18 08:59:10,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:59:10,641 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:59:10,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:59:10,895 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:59:11,018 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:59:11,044 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:59:11,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11 WrapperNode [2018-11-18 08:59:11,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:59:11,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:59:11,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:59:11,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:59:11,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:59:11,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:59:11,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:59:11,118 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:59:11,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... [2018-11-18 08:59:11,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:59:11,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:59:11,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:59:11,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:59:11,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/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 08:59:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:59:11,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:59:11,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:59:12,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:59:12,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:12 BoogieIcfgContainer [2018-11-18 08:59:12,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:59:12,072 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:59:12,072 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:59:12,075 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:59:12,076 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:59:12,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:59:10" (1/3) ... [2018-11-18 08:59:12,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1029c722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:59:12, skipping insertion in model container [2018-11-18 08:59:12,077 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:59:12,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:11" (2/3) ... [2018-11-18 08:59:12,078 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1029c722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:59:12, skipping insertion in model container [2018-11-18 08:59:12,078 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:59:12,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:12" (3/3) ... [2018-11-18 08:59:12,080 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-18 08:59:12,123 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:59:12,124 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:59:12,124 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:59:12,124 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:59:12,124 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:59:12,124 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:59:12,124 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:59:12,125 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:59:12,125 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:59:12,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 321 states. [2018-11-18 08:59:12,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2018-11-18 08:59:12,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:59:12,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:59:12,186 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:12,187 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 08:59:12,187 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:59:12,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 321 states. [2018-11-18 08:59:12,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2018-11-18 08:59:12,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:59:12,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:59:12,197 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:12,198 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 08:59:12,204 INFO L794 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];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(21);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(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(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.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; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 162#L431true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 88#L424true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 8#L439true main_#t~ret30 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 209#L526true assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 307#L503true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 26#L64-3true [2018-11-18 08:59:12,204 INFO L796 eck$LassoCheckResult]: Loop: 26#L64-3true assume true; 50#L64-1true assume !false; 6#L65true assume test_~splverifierCounter~0 < 4; 128#L66true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 281#L74true assume !(0 != test_~tmp~0); 246#L74-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 161#L84true assume !(0 != test_~tmp___0~0); 160#L84-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 192#L94true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 211#L102true assume 0 != test_~tmp___1~0; 228#L102-2true assume { :begin_inline_timeShift } true; 85#L138true assume !(0 != ~pumpRunning~0); 190#L138-2true assume !(0 != ~systemActive~0); 305#L145-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 173#L981true __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 229#L388true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 234#L388-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 170#L155true assume { :end_inline_timeShift } true; 26#L64-3true [2018-11-18 08:59:12,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:12,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:59:12,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:12,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:12,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:12,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:12,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:12,403 INFO L82 PathProgramCache]: Analyzing trace with hash -802318796, now seen corresponding path program 1 times [2018-11-18 08:59:12,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:12,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:12,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:12,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:12,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:12,418 INFO L82 PathProgramCache]: Analyzing trace with hash 380322552, now seen corresponding path program 1 times [2018-11-18 08:59:12,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:12,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:12,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:12,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:12,599 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 08:59:12,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:12,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:59:12,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:59:12,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:59:12,692 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 6 states. [2018-11-18 08:59:12,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:12,862 INFO L93 Difference]: Finished difference Result 318 states and 418 transitions. [2018-11-18 08:59:12,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:59:12,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 418 transitions. [2018-11-18 08:59:12,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2018-11-18 08:59:12,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 308 states and 408 transitions. [2018-11-18 08:59:12,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2018-11-18 08:59:12,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2018-11-18 08:59:12,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 408 transitions. [2018-11-18 08:59:12,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:59:12,882 INFO L705 BuchiCegarLoop]: Abstraction has 308 states and 408 transitions. [2018-11-18 08:59:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 408 transitions. [2018-11-18 08:59:12,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2018-11-18 08:59:12,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-18 08:59:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 408 transitions. [2018-11-18 08:59:12,921 INFO L728 BuchiCegarLoop]: Abstraction has 308 states and 408 transitions. [2018-11-18 08:59:12,921 INFO L608 BuchiCegarLoop]: Abstraction has 308 states and 408 transitions. [2018-11-18 08:59:12,921 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:59:12,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 408 transitions. [2018-11-18 08:59:12,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2018-11-18 08:59:12,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:59:12,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:59:12,925 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:12,925 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 08:59:12,926 INFO L794 eck$LassoCheckResult]: Stem: 851#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];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(21);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(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(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.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; 663#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 664#L431 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 804#L424 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 671#L439 main_#t~ret30 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 672#L526 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 918#L503 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 713#L64-3 [2018-11-18 08:59:12,926 INFO L796 eck$LassoCheckResult]: Loop: 713#L64-3 assume true; 714#L64-1 assume !false; 665#L65 assume test_~splverifierCounter~0 < 4; 666#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 857#L74 assume !(0 != test_~tmp~0); 885#L74-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 887#L84 assume !(0 != test_~tmp___0~0); 818#L84-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 886#L94 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 912#L102 assume 0 != test_~tmp___1~0; 908#L102-2 assume { :begin_inline_timeShift } true; 800#L138 assume !(0 != ~pumpRunning~0); 698#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 910#L222 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret8, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 963#L949 isMethaneAlarm_#t~ret8 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret8;havoc isMethaneAlarm_#t~ret8;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; 946#L283 processEnvironment_#t~ret6 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret6;havoc processEnvironment_#t~ret6; 817#L226 assume 0 != processEnvironment_~tmp~3;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 753#L273 assume { :end_inline_deactivatePump } true; 754#L222-1 assume { :end_inline_processEnvironment } true; 960#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 897#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 898#L388 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 893#L388-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 896#L155 assume { :end_inline_timeShift } true; 713#L64-3 [2018-11-18 08:59:12,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:12,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:59:12,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:12,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:12,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:12,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:12,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:12,980 INFO L82 PathProgramCache]: Analyzing trace with hash 793051869, now seen corresponding path program 1 times [2018-11-18 08:59:12,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:12,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:12,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,982 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:59:12,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:13,009 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 08:59:13,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:13,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:59:13,010 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:59:13,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:59:13,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:59:13,011 INFO L87 Difference]: Start difference. First operand 308 states and 408 transitions. cyclomatic complexity: 102 Second operand 3 states. [2018-11-18 08:59:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:13,159 INFO L93 Difference]: Finished difference Result 318 states and 398 transitions. [2018-11-18 08:59:13,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:59:13,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 398 transitions. [2018-11-18 08:59:13,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2018-11-18 08:59:13,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 398 transitions. [2018-11-18 08:59:13,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2018-11-18 08:59:13,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2018-11-18 08:59:13,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 398 transitions. [2018-11-18 08:59:13,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:59:13,169 INFO L705 BuchiCegarLoop]: Abstraction has 318 states and 398 transitions. [2018-11-18 08:59:13,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 398 transitions. [2018-11-18 08:59:13,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-11-18 08:59:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-18 08:59:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 398 transitions. [2018-11-18 08:59:13,181 INFO L728 BuchiCegarLoop]: Abstraction has 318 states and 398 transitions. [2018-11-18 08:59:13,182 INFO L608 BuchiCegarLoop]: Abstraction has 318 states and 398 transitions. [2018-11-18 08:59:13,182 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:59:13,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 398 transitions. [2018-11-18 08:59:13,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2018-11-18 08:59:13,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:59:13,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:59:13,185 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:13,186 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 08:59:13,186 INFO L794 eck$LassoCheckResult]: Stem: 1445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];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(21);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(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(25);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(13);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 44];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 77];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 101];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 116];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 104];#memory_int := #memory_int[#t~string69.base,5 + #t~string69.offset := 58];#memory_int := #memory_int[#t~string69.base,6 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 67];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 82];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 73];#memory_int := #memory_int[#t~string71.base,3 + #t~string71.offset := 84];#memory_int := #memory_int[#t~string71.base,4 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 79];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 75];#memory_int := #memory_int[#t~string73.base,2 + #t~string73.offset := 0];call #t~string75.base, #t~string75.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string75.base,#t~string75.offset := 41];#memory_int := #memory_int[#t~string75.base,1 + #t~string75.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; 1292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 1293#L431 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1414#L424 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1300#L439 main_#t~ret30 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 1301#L526 assume 0 != main_~tmp~8;assume { :begin_inline_setup } true; 1510#L503 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1336#L64-3 [2018-11-18 08:59:13,186 INFO L796 eck$LassoCheckResult]: Loop: 1336#L64-3 assume true; 1337#L64-1 assume !false; 1294#L65 assume test_~splverifierCounter~0 < 4; 1295#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1449#L74 assume !(0 != test_~tmp~0); 1471#L74-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1473#L84 assume !(0 != test_~tmp___0~0); 1422#L84-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1472#L94 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1496#L375 assume { :end_inline_startSystem } true; 1497#L102-2 assume { :begin_inline_timeShift } true; 1407#L138 assume !(0 != ~pumpRunning~0); 1408#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1499#L222 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 1380#L196-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1381#L170-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1359#L989-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1360#L994-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1436#L341-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 1437#L341-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1397#L347-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1320#L174-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1322#L162-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1517#L170-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1577#L196-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1365#L222-1 assume { :end_inline_processEnvironment } true; 1543#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1483#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 1484#L388 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 1479#L388-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1482#L155 assume { :end_inline_timeShift } true; 1336#L64-3 [2018-11-18 08:59:13,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:13,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:59:13,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:13,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:13,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:13,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:13,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:13,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:13,227 INFO L82 PathProgramCache]: Analyzing trace with hash 159766058, now seen corresponding path program 1 times [2018-11-18 08:59:13,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:13,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:13,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:13,229 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:59:13,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:13,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:13,243 INFO L82 PathProgramCache]: Analyzing trace with hash -412219418, now seen corresponding path program 1 times [2018-11-18 08:59:13,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:13,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:13,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:13,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:13,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:59:13,404 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-18 09:01:09,976 WARN L180 SmtUtils]: Spent 1.94 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:02:03,924 WARN L180 SmtUtils]: Spent 53.95 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:02:03,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:02:03 BoogieIcfgContainer [2018-11-18 09:02:03,987 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:02:03,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:02:03,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:02:03,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:02:03,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:12" (3/4) ... [2018-11-18 09:02:03,990 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:02:04,032 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfdcb131-9456-453f-acbb-519aa593c08c/bin-2019/uautomizer/witness.graphml [2018-11-18 09:02:04,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:02:04,033 INFO L168 Benchmark]: Toolchain (without parser) took 173441.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 956.6 MB in the beginning and 907.8 MB in the end (delta: 48.7 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:04,034 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:02:04,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:04,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.73 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 09:02:04,035 INFO L168 Benchmark]: Boogie Preprocessor took 51.18 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:04,035 INFO L168 Benchmark]: RCFGBuilder took 902.19 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: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:04,035 INFO L168 Benchmark]: BuchiAutomizer took 171915.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.0 GB in the beginning and 914.0 MB in the end (delta: 87.9 MB). Peak memory consumption was 152.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:04,036 INFO L168 Benchmark]: Witness Printer took 45.27 ms. Allocated memory is still 1.2 GB. Free memory was 914.0 MB in the beginning and 907.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:04,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 452.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.73 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 51.18 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 902.19 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: 100.3 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 171915.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.2 MB). Free memory was 1.0 GB in the beginning and 914.0 MB in the end (delta: 87.9 MB). Peak memory consumption was 152.9 MB. Max. memory is 11.5 GB. * Witness Printer took 45.27 ms. Allocated memory is still 1.2 GB. Free memory was 914.0 MB in the beginning and 907.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 318 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 171.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 171.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 318 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 707 SDtfs, 1466 SDslu, 132 SDs, 0 SdLazy, 50 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 64]: 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 {retValue_acc=1, NULL=0, "libacc.c"=0, "Pump(System:"=22, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22bce57a=0, "CRIT"=24, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fe5ec8d=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e1c91b8=149, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51fc2454=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19d0649d=0, methaneLevelCritical=0, tmp___0=0, ",Meth:"=0, retValue_acc=0, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a1bbc34=0, tmp___1=0, "Off"=16, cleanupTimeShifts=4, tmp=0, tmp=0, "libacc.c"=8, "Off"=19, "libacc.c"=36, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, ",Meth:"=23, \result=1, "Off"=0, "i > 0 && i <= this->argsCount"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2668cce2=0, "On"=0, "i > 0 && i <= this->argsCount"=0, "On"=20, \result=0, "Pump(System:"=0, "__utac__get_this_arg"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=31, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, \result=1, "On"=17, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=12, \result=0, "i > 0 && i <= this->argsCount"=37, ",Pump:"=0, tmp=1, "__utac__get_this_arg"=0, "On"=0, retValue_acc=1, \result=1, "Env(Water:%i"=26, "i > 0 && i <= this->argsCount"=29, ") "=15, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67ada2e2=0, ")"=39, "OK"=0, tmp=1, retValue_acc=1, tmp___2=149, ")"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bb9ea51=0, splverifierCounter=0, "libacc.c"=0, "OK"=38, "libacc.c"=33, tmp=0, head=0, "\n"=14, "\n"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b9d180f=0, ",Pump:"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cdf067a=0, ") "=0, "libacc.c"=28, "__utac__get_this_arg"=35, "__utac__get_this_arg"=11, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 64]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L301] FCALL "Pump(System:" [L305] FCALL "On" [L309] FCALL "Off" [L313] FCALL ",Pump:" [L317] FCALL "On" [L321] FCALL "Off" [L325] FCALL ") " [L327] FCALL "\n" [L837] FCALL "i > 0 && i <= this->argsCount" [L837] FCALL "libacc.c" [L838] FCALL "__utac__get_this_arg" [L844] FCALL "i > 0 && i <= this->argsCount" [L844] FCALL "libacc.c" [L845] FCALL "__utac__get_this_arg" [L883] FCALL "i > 0 && i <= this->argsCount" [L883] FCALL "libacc.c" [L884] FCALL "__utac__get_this_argtype" [L890] FCALL "i > 0 && i <= this->argsCount" [L890] FCALL "libacc.c" [L891] FCALL "__utac__get_this_argtype" [L958] FCALL "Env(Water:%i" [L959] FCALL ",Meth:" [L963] FCALL "CRIT" [L967] FCALL "OK" [L971] FCALL ")" [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L444] int cleanupTimeShifts = 4; [L906] int waterLevel = 1; [L907] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L517] int retValue_acc ; [L518] int tmp ; [L522] FCALL select_helpers() [L523] FCALL select_features() [L524] CALL, EXPR valid_product() [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] RET return (retValue_acc); [L524] EXPR valid_product() [L524] tmp = valid_product() [L526] COND TRUE \read(tmp) [L528] FCALL setup() [L529] CALL runTest() [L511] CALL test() [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L96] CALL startSystem() [L374] RET systemActive = 1 [L96] startSystem() [L109] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L219] int tmp ; [L222] COND FALSE !(\read(pumpRunning)) [L237] CALL processEnvironment__wrappee__methaneQuery() [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L211] CALL processEnvironment__wrappee__highWaterSensor() [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L333] int retValue_acc ; [L334] int tmp ; [L335] int tmp___0 ; [L339] CALL, EXPR isHighWaterSensorDry() [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] RET return (retValue_acc); [L339] EXPR isHighWaterSensorDry() [L339] tmp = isHighWaterSensorDry() [L341] COND TRUE \read(tmp) [L342] tmp___0 = 0 [L346] retValue_acc = tmp___0 [L347] RET return (retValue_acc); [L172] EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L180] RET, FCALL processEnvironment__wrappee__base() [L211] RET processEnvironment__wrappee__highWaterSensor() [L237] RET processEnvironment__wrappee__methaneQuery() [L147] processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR getWaterLevel() [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] RET return (retValue_acc); [L386] EXPR getWaterLevel() [L386] tmp = getWaterLevel() [L388] COND FALSE, RET !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L109] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...