./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a45474bbddd00a02338fe4b16e46d3dadff1b340 ........................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 23:57:30,980 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:57:30,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:57:31,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:57:31,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:57:31,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:57:31,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:57:31,007 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:57:31,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:57:31,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:57:31,010 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:57:31,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:57:31,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:57:31,012 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:57:31,013 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:57:31,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:57:31,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:57:31,017 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:57:31,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:57:31,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:57:31,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:57:31,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:57:31,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:57:31,027 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:57:31,027 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:57:31,028 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:57:31,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:57:31,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:57:31,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:57:31,032 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:57:31,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:57:31,033 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:57:31,033 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:57:31,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:57:31,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:57:31,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:57:31,036 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:57:31,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:57:31,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:57:31,055 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:57:31,056 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:57:31,056 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:57:31,056 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:57:31,056 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:57:31,056 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:57:31,056 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:57:31,057 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:57:31,057 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:57:31,057 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:57:31,057 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:57:31,057 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:57:31,058 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:57:31,058 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:57:31,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:57:31,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:57:31,058 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:57:31,058 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:57:31,059 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:57:31,059 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:57:31,059 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:57:31,059 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:57:31,059 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:57:31,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:57:31,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:57:31,060 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:57:31,060 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:57:31,060 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:57:31,060 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:57:31,061 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:57:31,062 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a45474bbddd00a02338fe4b16e46d3dadff1b340 [2018-11-28 23:57:31,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:57:31,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:57:31,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:57:31,147 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:57:31,147 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:57:31,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:31,202 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3646015/d76eb68383d947b28a8df641af4d6198/FLAG01eb7dcd7 [2018-11-28 23:57:31,750 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:57:31,750 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:31,765 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3646015/d76eb68383d947b28a8df641af4d6198/FLAG01eb7dcd7 [2018-11-28 23:57:32,042 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3646015/d76eb68383d947b28a8df641af4d6198 [2018-11-28 23:57:32,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:57:32,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:57:32,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:32,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:57:32,055 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:57:32,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629a53d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32, skipping insertion in model container [2018-11-28 23:57:32,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:57:32,129 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:57:32,536 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:32,561 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:57:32,683 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:32,819 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:57:32,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32 WrapperNode [2018-11-28 23:57:32,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:32,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:32,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:57:32,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:57:32,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:32,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:57:32,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:57:32,902 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:57:32,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... [2018-11-28 23:57:32,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:57:32,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:57:32,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:57:32,954 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:57:32,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 23:57:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:57:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:57:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:57:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:57:33,972 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:57:33,973 INFO L280 CfgBuilder]: Removed 78 assue(true) statements. [2018-11-28 23:57:33,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:33 BoogieIcfgContainer [2018-11-28 23:57:33,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:57:33,974 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:57:33,974 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:57:33,979 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:57:33,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:33,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:57:32" (1/3) ... [2018-11-28 23:57:33,981 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d09c174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:33, skipping insertion in model container [2018-11-28 23:57:33,981 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:33,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:32" (2/3) ... [2018-11-28 23:57:33,982 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d09c174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:33, skipping insertion in model container [2018-11-28 23:57:33,982 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:33,982 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:33" (3/3) ... [2018-11-28 23:57:33,984 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:34,050 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:57:34,050 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:57:34,050 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:57:34,051 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:57:34,051 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:57:34,051 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:57:34,051 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:57:34,051 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:57:34,051 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:57:34,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states. [2018-11-28 23:57:34,104 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-11-28 23:57:34,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:34,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:34,115 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,116 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,116 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:57:34,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states. [2018-11-28 23:57:34,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-11-28 23:57:34,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:34,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:34,128 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,128 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,135 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 4#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 59#L411true 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; 63#L419true main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 55#L872true assume 0 != main_~tmp~6; 33#L849true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L59-1true [2018-11-28 23:57:34,136 INFO L796 eck$LassoCheckResult]: Loop: 10#L59-1true assume !false; 23#L95true assume test_~splverifierCounter~0 < 4; 54#L96true test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 50#L104true assume !(0 != test_~tmp~1); 49#L104-1true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 17#L114true assume !(0 != test_~tmp___0~1); 15#L114-1true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 3#L124true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 38#L132-1true assume !(0 != ~pumpRunning~0); 11#L165true assume !(0 != ~systemActive~0); 30#L172true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 56#L349true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 64#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 10#L59-1true [2018-11-28 23:57:34,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:34,153 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:57:34,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:34,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:34,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:34,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:34,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:34,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941121, now seen corresponding path program 1 times [2018-11-28 23:57:34,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:34,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:34,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:34,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:57:34,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:34,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:34,522 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:57:34,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:57:34,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:57:34,540 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 3 states. [2018-11-28 23:57:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:34,635 INFO L93 Difference]: Finished difference Result 118 states and 162 transitions. [2018-11-28 23:57:34,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:57:34,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 162 transitions. [2018-11-28 23:57:34,644 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 74 [2018-11-28 23:57:34,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 104 states and 147 transitions. [2018-11-28 23:57:34,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2018-11-28 23:57:34,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2018-11-28 23:57:34,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 147 transitions. [2018-11-28 23:57:34,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:34,655 INFO L705 BuchiCegarLoop]: Abstraction has 104 states and 147 transitions. [2018-11-28 23:57:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 147 transitions. [2018-11-28 23:57:34,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2018-11-28 23:57:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 23:57:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2018-11-28 23:57:34,693 INFO L728 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2018-11-28 23:57:34,693 INFO L608 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2018-11-28 23:57:34,694 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:57:34,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2018-11-28 23:57:34,696 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2018-11-28 23:57:34,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:34,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:34,698 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,698 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:34,698 INFO L794 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 192#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 193#L411 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; 260#L419 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 257#L872 assume 0 != main_~tmp~6; 233#L849 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 206#L59-1 [2018-11-28 23:57:34,698 INFO L796 eck$LassoCheckResult]: Loop: 206#L59-1 assume !false; 262#L95 assume test_~splverifierCounter~0 < 4; 255#L96 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 256#L104 assume !(0 != test_~tmp~1); 248#L104-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 249#L114 assume !(0 != test_~tmp___0~1); 269#L114-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 189#L124 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 190#L132-1 assume !(0 != ~pumpRunning~0); 240#L165 assume 0 != ~systemActive~0; 266#L172 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 258#L349 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 259#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 206#L59-1 [2018-11-28 23:57:34,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:34,699 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:57:34,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:34,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:34,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:34,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:34,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:34,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030494, now seen corresponding path program 1 times [2018-11-28 23:57:34,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:34,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:34,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,792 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:34,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:34,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:34,808 INFO L82 PathProgramCache]: Analyzing trace with hash 41248444, now seen corresponding path program 1 times [2018-11-28 23:57:34,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:34,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:34,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:34,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:57:34,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:34,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:35,127 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-28 23:57:35,321 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:57:35,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:57:35,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:57:35,332 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-28 23:57:35,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:35,984 INFO L93 Difference]: Finished difference Result 319 states and 461 transitions. [2018-11-28 23:57:35,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:57:35,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 461 transitions. [2018-11-28 23:57:36,003 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 240 [2018-11-28 23:57:36,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 319 states and 461 transitions. [2018-11-28 23:57:36,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 319 [2018-11-28 23:57:36,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 319 [2018-11-28 23:57:36,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 319 states and 461 transitions. [2018-11-28 23:57:36,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:36,023 INFO L705 BuchiCegarLoop]: Abstraction has 319 states and 461 transitions. [2018-11-28 23:57:36,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states and 461 transitions. [2018-11-28 23:57:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 198. [2018-11-28 23:57:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-28 23:57:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 274 transitions. [2018-11-28 23:57:36,063 INFO L728 BuchiCegarLoop]: Abstraction has 198 states and 274 transitions. [2018-11-28 23:57:36,063 INFO L608 BuchiCegarLoop]: Abstraction has 198 states and 274 transitions. [2018-11-28 23:57:36,063 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:57:36,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 274 transitions. [2018-11-28 23:57:36,067 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 144 [2018-11-28 23:57:36,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:36,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:36,069 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:36,069 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:36,069 INFO L794 eck$LassoCheckResult]: Stem: 666#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 631#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 632#L411 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; 701#L419 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 697#L872 assume 0 != main_~tmp~6; 677#L849 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 638#L59-1 [2018-11-28 23:57:36,069 INFO L796 eck$LassoCheckResult]: Loop: 638#L59-1 assume !false; 639#L95 assume test_~splverifierCounter~0 < 4; 662#L96 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 816#L104 assume !(0 != test_~tmp~1); 813#L104-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 811#L114 assume !(0 != test_~tmp___0~1); 809#L114-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 808#L124 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 805#L132-1 assume !(0 != ~pumpRunning~0); 800#L165 assume 0 != ~systemActive~0; 797#L172 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 796#L349 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 702#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 703#L381 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 645#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 638#L59-1 [2018-11-28 23:57:36,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:57:36,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:36,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:36,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:36,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:36,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1464530636, now seen corresponding path program 1 times [2018-11-28 23:57:36,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:36,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:36,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,159 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:36,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:36,174 INFO L82 PathProgramCache]: Analyzing trace with hash 985054414, now seen corresponding path program 1 times [2018-11-28 23:57:36,175 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:36,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:36,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:36,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:36,822 WARN L180 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-28 23:57:36,975 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-28 23:57:45,519 WARN L180 SmtUtils]: Spent 8.53 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:57:49,332 WARN L180 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:57:49,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:57:49 BoogieIcfgContainer [2018-11-28 23:57:49,393 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:57:49,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:57:49,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:57:49,393 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:57:49,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:33" (3/4) ... [2018-11-28 23:57:49,399 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:57:49,470 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:57:49,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:57:49,471 INFO L168 Benchmark]: Toolchain (without parser) took 17422.60 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.1 MB). Free memory was 951.3 MB in the beginning and 964.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 269.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,472 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:57:49,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.99 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,477 INFO L168 Benchmark]: Boogie Preprocessor took 52.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:57:49,477 INFO L168 Benchmark]: RCFGBuilder took 1019.37 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,478 INFO L168 Benchmark]: BuchiAutomizer took 15418.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 968.1 MB in the end (delta: 79.5 MB). Peak memory consumption was 383.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,478 INFO L168 Benchmark]: Witness Printer took 77.20 ms. Allocated memory is still 1.3 GB. Free memory is still 964.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:57:49,487 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 768.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.99 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1019.37 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: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 15418.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 968.1 MB in the end (delta: 79.5 MB). Peak memory consumption was 383.5 MB. Max. memory is 11.5 GB. * Witness Printer took 77.20 ms. Allocated memory is still 1.3 GB. Free memory is still 964.9 MB. There was no memory consumed. 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 5 locations. The remainder module has 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 14.3s. Construction of modules took 0.4s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 123 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 198 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 186 SDtfs, 347 SDslu, 361 SDs, 0 SdLazy, 53 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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: 94]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51522c2e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@672e4578=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72ca5a99=0, NULL=0, NULL=38, NULL=23, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@193499e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7169d45a=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12aa75ca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb72677=0, NULL=40, retValue_acc=0, NULL=14, NULL=31, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, NULL=37, NULL=0, tmp___1=0, tmp___0=1, NULL=19, NULL=27, tmp=0, cleanupTimeShifts=4, NULL=17, tmp=0, NULL=28, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=22, NULL=0, NULL=18, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=1, \result=1, NULL=35, head=0, pumpRunning=0, NULL=39, \result=0, NULL=29, NULL=0, NULL=0, NULL=0, tmp=1, retValue_acc=1, NULL=43, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37d576ff=0, tmp___2=56, NULL=15, tmp___0=0, NULL=34, splverifierCounter=0, NULL=0, \result=0, NULL=26, tmp___1=0, head=0, NULL=0, NULL=0, NULL=36, NULL=0, NULL=0, NULL=42, NULL=20, NULL=0, NULL=16, NULL=24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L790] int cleanupTimeShifts = 4; [L863] int retValue_acc ; [L864] int tmp ; [L415] int retValue_acc ; [L418] retValue_acc = 1 [L419] return (retValue_acc); [L870] tmp = valid_product() [L872] COND TRUE \read(tmp) [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 Loop: [L94] COND TRUE 1 [L96] COND TRUE splverifierCounter < 4 [L102] tmp = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp)) [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L301] systemActive = 1 [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L345] int retValue_acc ; [L348] retValue_acc = methaneLevelCritical [L349] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...