./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product09_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_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/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 51c3bbda42df3e7a563a36af727e140b310abe72 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:00:57,022 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:00:57,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:00:57,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:00:57,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:00:57,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:00:57,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:00:57,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:00:57,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:00:57,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:00:57,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:00:57,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:00:57,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:00:57,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:00:57,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:00:57,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:00:57,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:00:57,041 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:00:57,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:00:57,044 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:00:57,044 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:00:57,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:00:57,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:00:57,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:00:57,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:00:57,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:00:57,048 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:00:57,049 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:00:57,050 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:00:57,050 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:00:57,050 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:00:57,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:00:57,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:00:57,051 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:00:57,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:00:57,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:00:57,053 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:00:57,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:00:57,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:00:57,065 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:00:57,065 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:00:57,066 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:00:57,066 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:00:57,066 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:00:57,066 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:00:57,066 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:00:57,066 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:00:57,066 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:00:57,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:00:57,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:00:57,067 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:00:57,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:00:57,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:00:57,067 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:00:57,067 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:00:57,068 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:00:57,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:00:57,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:00:57,069 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:00:57,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:00:57,069 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:00:57,069 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:00:57,070 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:00:57,070 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_25af0df6-01e5-4fd4-a094-44f15bcf6c52/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 -> 51c3bbda42df3e7a563a36af727e140b310abe72 [2018-11-18 16:00:57,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:00:57,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:00:57,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:00:57,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:00:57,106 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:00:57,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:00:57,150 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/data/b4e34b53b/538e0d4784754788a4f8464567b7cccc/FLAG706ba5cb7 [2018-11-18 16:00:57,590 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:00:57,591 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/sv-benchmarks/c/product-lines/minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:00:57,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/data/b4e34b53b/538e0d4784754788a4f8464567b7cccc/FLAG706ba5cb7 [2018-11-18 16:00:57,610 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/data/b4e34b53b/538e0d4784754788a4f8464567b7cccc [2018-11-18 16:00:57,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:00:57,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:00:57,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:00:57,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:00:57,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:00:57,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:57,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57, skipping insertion in model container [2018-11-18 16:00:57,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:57,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:00:57,654 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:00:57,846 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:00:57,855 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:00:57,946 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:00:57,966 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:00:57,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57 WrapperNode [2018-11-18 16:00:57,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:00:57,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:00:57,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:00:57,967 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:00:57,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:57,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:00:58,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:00:58,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:00:58,013 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:00:58,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... [2018-11-18 16:00:58,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:00:58,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:00:58,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:00:58,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:00:58,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 16:00:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:00:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:00:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:00:58,492 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:00:58,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:58 BoogieIcfgContainer [2018-11-18 16:00:58,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:00:58,492 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:00:58,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:00:58,495 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:00:58,496 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:00:58,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:00:57" (1/3) ... [2018-11-18 16:00:58,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6697e2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:00:58, skipping insertion in model container [2018-11-18 16:00:58,497 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:00:58,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:57" (2/3) ... [2018-11-18 16:00:58,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6697e2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:00:58, skipping insertion in model container [2018-11-18 16:00:58,497 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:00:58,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:58" (3/3) ... [2018-11-18 16:00:58,499 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:00:58,535 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:00:58,535 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:00:58,535 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:00:58,535 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:00:58,535 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:00:58,535 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:00:58,535 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:00:58,535 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:00:58,535 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:00:58,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2018-11-18 16:00:58,564 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 16:00:58,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:00:58,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:00:58,569 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:00:58,570 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:00:58,570 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:00:58,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2018-11-18 16:00:58,573 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2018-11-18 16:00:58,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:00:58,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:00:58,574 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:00:58,574 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:00:58,578 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 44];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 77];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 101];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 116];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 104];#memory_int := #memory_int[#t~string40.base,5 + #t~string40.offset := 58];#memory_int := #memory_int[#t~string40.base,6 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 67];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 82];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 73];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 84];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 75];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 41];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 70#L748true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 78#L741true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 74#L756true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 71#L843true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 30#L820true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 69#L540-3true [2018-11-18 16:00:58,578 INFO L796 eck$LassoCheckResult]: Loop: 69#L540-3true assume true; 77#L540-1true assume !false; 10#L541true assume test_~splverifierCounter~0 < 4; 32#L542true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 62#L550true assume !(0 != test_~tmp~4); 45#L550-2true test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 42#L560true assume !(0 != test_~tmp___0~1); 17#L560-2true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 13#L570true assume 0 != test_~tmp___2~0; 58#L576-2true assume { :begin_inline_timeShift } true; 60#L605true assume !(0 != ~pumpRunning~0); 63#L605-2true assume !(0 != ~systemActive~0); 47#L612-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 26#L523true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 31#L425true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 36#L425-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 18#L622true assume { :end_inline_timeShift } true; 69#L540-3true [2018-11-18 16:00:58,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:58,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:00:58,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:00:58,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:00:58,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:58,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:58,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:58,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:58,751 INFO L82 PathProgramCache]: Analyzing trace with hash 975324083, now seen corresponding path program 1 times [2018-11-18 16:00:58,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:00:58,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:00:58,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:58,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:58,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:58,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:58,764 INFO L82 PathProgramCache]: Analyzing trace with hash 43642479, now seen corresponding path program 1 times [2018-11-18 16:00:58,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:00:58,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:00:58,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:58,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:58,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:58,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:00:58,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:00:58,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:00:58,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:00:58,965 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2018-11-18 16:00:59,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:59,079 INFO L93 Difference]: Finished difference Result 74 states and 90 transitions. [2018-11-18 16:00:59,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:00:59,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 90 transitions. [2018-11-18 16:00:59,085 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2018-11-18 16:00:59,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 64 states and 80 transitions. [2018-11-18 16:00:59,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 64 [2018-11-18 16:00:59,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2018-11-18 16:00:59,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 80 transitions. [2018-11-18 16:00:59,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:00:59,091 INFO L705 BuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-11-18 16:00:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 80 transitions. [2018-11-18 16:00:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-11-18 16:00:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-18 16:00:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 80 transitions. [2018-11-18 16:00:59,114 INFO L728 BuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-11-18 16:00:59,114 INFO L608 BuchiCegarLoop]: Abstraction has 64 states and 80 transitions. [2018-11-18 16:00:59,114 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:00:59,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 64 states and 80 transitions. [2018-11-18 16:00:59,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2018-11-18 16:00:59,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:00:59,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:00:59,116 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:00:59,116 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:00:59,116 INFO L794 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 44];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 77];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 101];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 116];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 104];#memory_int := #memory_int[#t~string40.base,5 + #t~string40.offset := 58];#memory_int := #memory_int[#t~string40.base,6 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 67];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 82];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 73];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 84];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 75];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 41];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 170#L748 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 229#L741 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 231#L756 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 230#L843 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 206#L820 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 190#L540-3 [2018-11-18 16:00:59,116 INFO L796 eck$LassoCheckResult]: Loop: 190#L540-3 assume true; 228#L540-1 assume !false; 179#L541 assume test_~splverifierCounter~0 < 4; 180#L542 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 209#L550 assume !(0 != test_~tmp~4); 221#L550-2 test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 218#L560 assume !(0 != test_~tmp___0~1); 191#L560-2 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 182#L570 assume 0 != test_~tmp___2~0; 183#L576-2 assume { :begin_inline_timeShift } true; 225#L605 assume !(0 != ~pumpRunning~0); 186#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 202#L629 assume { :end_inline_processEnvironment } true; 203#L612-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 199#L523 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 200#L425 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 207#L425-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 189#L622 assume { :end_inline_timeShift } true; 190#L540-3 [2018-11-18 16:00:59,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:59,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:00:59,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:00:59,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:00:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:59,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:59,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:59,160 INFO L82 PathProgramCache]: Analyzing trace with hash 798355155, now seen corresponding path program 1 times [2018-11-18 16:00:59,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:00:59,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:00:59,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:59,162 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:00:59,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:59,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:59,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1980996503, now seen corresponding path program 1 times [2018-11-18 16:00:59,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:00:59,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:00:59,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:59,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:59,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:00:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:00:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:01:37,808 WARN L180 SmtUtils]: Spent 38.49 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:01:59,608 WARN L180 SmtUtils]: Spent 21.80 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:01:59,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:01:59 BoogieIcfgContainer [2018-11-18 16:01:59,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:01:59,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:01:59,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:01:59,683 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:01:59,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:58" (3/4) ... [2018-11-18 16:01:59,686 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:01:59,726 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_25af0df6-01e5-4fd4-a094-44f15bcf6c52/bin-2019/uautomizer/witness.graphml [2018-11-18 16:01:59,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:01:59,727 INFO L168 Benchmark]: Toolchain (without parser) took 62114.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -59.8 MB). Peak memory consumption was 82.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,728 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:01:59,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,728 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,728 INFO L168 Benchmark]: RCFGBuilder took 452.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,729 INFO L168 Benchmark]: BuchiAutomizer took 61189.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,729 INFO L168 Benchmark]: Witness Printer took 43.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:59,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 452.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 61189.98 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. * Witness Printer took 43.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 64 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 61.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 60.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 64 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 85 SDtfs, 260 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 540]: 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, "Off"=0, "On"=0, ")"=0, ")"=33, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6433a4e3=170, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44e4783d=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68a07517=0, ",Pump:"=0, "Env(Water:%i"=36, "CRIT"=0, retValue_acc=0, "Off"=37, "On"=29, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a445db5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f1729dc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@693d2192=0, tmp=0, "\n"=0, ") "=0, "\n"=8, tmp___1=0, "__utac__get_this_argtype"=19, "__utac__get_this_arg"=23, "__utac__get_this_arg"=11, tmp___0=0, "libacc.c"=20, cleanupTimeShifts=4, "libacc.c"=16, "CRIT"=35, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=0, "Off"=27, "OK"=34, "Pump(System:"=0, ",Pump:"=28, "Off"=0, "On"=0, \result=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, \result=0, "i > 0 && i <= this->argsCount"=12, "libacc.c"=0, ") "=38, "i > 0 && i <= this->argsCount"=0, tmp=1, "libacc.c"=24, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67d2f81a=0, tmp___2=170, retValue_acc=1, "i > 0 && i <= this->argsCount"=18, tmp___0=0, splverifierCounter=0, head=0, "libacc.c"=0, "libacc.c"=14, "i > 0 && i <= this->argsCount"=22, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=17, "libacc.c"=0, "libacc.c"=0, ",Meth:"=26, "On"=39, "Pump(System:"=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 540]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L500] FCALL "Env(Water:%i" [L501] FCALL ",Meth:" [L505] FCALL "CRIT" [L509] FCALL "OK" [L513] FCALL ")" [L691] FCALL "Pump(System:" [L695] FCALL "On" [L699] FCALL "Off" [L703] FCALL ",Pump:" [L707] FCALL "On" [L711] FCALL "Off" [L715] FCALL ") " [L717] FCALL "\n" [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L761] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int retValue_acc ; [L835] int tmp ; [L839] FCALL select_helpers() [L840] FCALL select_features() [L841] CALL, EXPR valid_product() [L752] int retValue_acc ; [L755] retValue_acc = 1 [L756] RET return (retValue_acc); [L841] EXPR valid_product() [L841] tmp = valid_product() [L843] COND TRUE \read(tmp) [L845] FCALL setup() [L846] CALL runTest() [L828] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND TRUE \read(tmp___2) [L583] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification4_spec__1() [L418] int tmp ; [L419] int tmp___0 ; [L423] CALL, EXPR getWaterLevel() [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] RET return (retValue_acc); [L423] EXPR getWaterLevel() [L423] tmp = getWaterLevel() [L425] COND FALSE, RET !(tmp == 0) [L620] RET __utac_acc__Specification4_spec__1() [L583] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...