./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product16_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_product16_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 09e3ebf9e88b37df43a29457dc1ad9a694c62daa ........................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:57:35,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:57:35,014 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:57:35,027 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:57:35,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:57:35,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:57:35,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:57:35,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:57:35,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:57:35,040 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:57:35,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:57:35,044 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:57:35,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:57:35,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:57:35,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:57:35,051 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:57:35,052 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:57:35,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:57:35,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:57:35,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:57:35,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:57:35,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:57:35,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:57:35,062 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:57:35,063 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:57:35,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:57:35,065 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:57:35,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:57:35,066 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:57:35,067 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:57:35,068 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:57:35,068 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:57:35,069 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:57:35,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:57:35,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:57:35,071 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:57:35,071 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:57:35,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:57:35,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:57:35,094 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:57:35,094 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:57:35,096 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:57:35,096 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:57:35,096 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:57:35,096 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:57:35,096 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:57:35,097 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:57:35,097 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:57:35,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:57:35,097 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:57:35,097 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:57:35,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:57:35,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:57:35,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:57:35,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:57:35,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:57:35,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:57:35,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:57:35,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:57:35,099 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:57:35,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:57:35,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:57:35,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:57:35,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:57:35,100 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:57:35,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:57:35,103 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:57:35,103 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:57:35,104 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:57:35,104 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 -> 09e3ebf9e88b37df43a29457dc1ad9a694c62daa [2018-11-28 23:57:35,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:57:35,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:57:35,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:57:35,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:57:35,191 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:57:35,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product16_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:35,250 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea232d7ab/cd9534271b0d4f24832925003110d01a/FLAG93bc1d50e [2018-11-28 23:57:35,794 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:57:35,795 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product16_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:35,807 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea232d7ab/cd9534271b0d4f24832925003110d01a/FLAG93bc1d50e [2018-11-28 23:57:36,095 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea232d7ab/cd9534271b0d4f24832925003110d01a [2018-11-28 23:57:36,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:57:36,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:57:36,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:36,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:57:36,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:57:36,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e45167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36, skipping insertion in model container [2018-11-28 23:57:36,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:57:36,173 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:57:36,529 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:36,561 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:57:36,680 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:57:36,810 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:57:36,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36 WrapperNode [2018-11-28 23:57:36,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:57:36,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:36,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:57:36,812 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:57:36,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:57:36,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:57:36,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:57:36,888 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:57:36,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (1/1) ... [2018-11-28 23:57:36,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:57:36,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:57:36,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:57:36,928 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:57:36,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (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 23:57:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:57:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:57:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:57:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:57:38,051 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:57:38,052 INFO L280 CfgBuilder]: Removed 108 assue(true) statements. [2018-11-28 23:57:38,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:38 BoogieIcfgContainer [2018-11-28 23:57:38,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:57:38,053 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:57:38,054 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:57:38,057 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:57:38,060 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:38,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:57:36" (1/3) ... [2018-11-28 23:57:38,062 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@727f29ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:38, skipping insertion in model container [2018-11-28 23:57:38,062 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:38,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:36" (2/3) ... [2018-11-28 23:57:38,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@727f29ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:57:38, skipping insertion in model container [2018-11-28 23:57:38,063 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:57:38,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:38" (3/3) ... [2018-11-28 23:57:38,066 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product16_false-unreach-call_false-termination.cil.c [2018-11-28 23:57:38,128 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:57:38,128 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:57:38,128 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:57:38,129 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:57:38,129 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:57:38,129 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:57:38,129 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:57:38,129 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:57:38,129 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:57:38,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 23:57:38,174 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:57:38,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:38,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:38,183 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:38,183 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:38,183 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:57:38,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 23:57:38,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 23:57:38,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:38,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:38,192 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:38,193 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:38,200 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 7#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 68#L792true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 3#L800true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 42#L139true assume 0 != main_~tmp~0; 67#L112true havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 51#L901-1true [2018-11-28 23:57:38,200 INFO L796 eck$LassoCheckResult]: Loop: 51#L901-1true assume !false; 58#L532true assume test_~splverifierCounter~0 < 4; 4#L533true test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 11#L541true assume !(0 != test_~tmp~4); 14#L541-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 74#L551true assume !(0 != test_~tmp___0~0); 75#L551-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 61#L561true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 71#L569-1true assume !(0 != ~pumpRunning~0); 45#L604true assume !(0 != ~systemActive~0); 27#L611true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 48#L849-1true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 6#L895true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 51#L901-1true [2018-11-28 23:57:38,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,219 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:57:38,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:38,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356225, now seen corresponding path program 1 times [2018-11-28 23:57:38,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:38,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:38,614 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 23:57:38,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:38,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:38,621 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:57:38,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:57:38,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:57:38,637 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2018-11-28 23:57:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:38,754 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2018-11-28 23:57:38,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:57:38,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2018-11-28 23:57:38,764 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2018-11-28 23:57:38,773 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2018-11-28 23:57:38,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2018-11-28 23:57:38,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2018-11-28 23:57:38,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2018-11-28 23:57:38,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:38,778 INFO L705 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2018-11-28 23:57:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2018-11-28 23:57:38,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-11-28 23:57:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-28 23:57:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2018-11-28 23:57:38,824 INFO L728 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2018-11-28 23:57:38,825 INFO L608 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2018-11-28 23:57:38,825 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:57:38,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2018-11-28 23:57:38,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2018-11-28 23:57:38,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:38,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:38,830 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:38,830 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:38,830 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 234#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 235#L792 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 225#L800 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 226#L139 assume 0 != main_~tmp~0; 282#L112 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 298#L901-1 [2018-11-28 23:57:38,834 INFO L796 eck$LassoCheckResult]: Loop: 298#L901-1 assume !false; 328#L532 assume test_~splverifierCounter~0 < 4; 329#L533 test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 350#L541 assume !(0 != test_~tmp~4); 348#L541-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 347#L551 assume !(0 != test_~tmp___0~0); 345#L551-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 344#L561 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 293#L569-1 assume !(0 != ~pumpRunning~0); 340#L604 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 338#L636 assume !(0 != ~pumpRunning~0); 336#L611 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 335#L849-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 331#L895 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 298#L901-1 [2018-11-28 23:57:38,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:57:38,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:38,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,975 INFO L82 PathProgramCache]: Analyzing trace with hash -323963314, now seen corresponding path program 1 times [2018-11-28 23:57:38,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,978 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:38,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:38,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:38,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076212, now seen corresponding path program 1 times [2018-11-28 23:57:38,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:38,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:38,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:38,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:38,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:57:39,131 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 23:57:39,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:57:39,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:57:39,334 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-28 23:57:39,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:57:39,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:57:39,415 INFO L87 Difference]: Start difference. First operand 126 states and 180 transitions. cyclomatic complexity: 57 Second operand 5 states. [2018-11-28 23:57:40,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:57:40,533 INFO L93 Difference]: Finished difference Result 410 states and 598 transitions. [2018-11-28 23:57:40,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 23:57:40,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 410 states and 598 transitions. [2018-11-28 23:57:40,556 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 302 [2018-11-28 23:57:40,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 410 states to 410 states and 598 transitions. [2018-11-28 23:57:40,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 410 [2018-11-28 23:57:40,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 410 [2018-11-28 23:57:40,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 410 states and 598 transitions. [2018-11-28 23:57:40,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:57:40,582 INFO L705 BuchiCegarLoop]: Abstraction has 410 states and 598 transitions. [2018-11-28 23:57:40,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states and 598 transitions. [2018-11-28 23:57:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 246. [2018-11-28 23:57:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-28 23:57:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 346 transitions. [2018-11-28 23:57:40,628 INFO L728 BuchiCegarLoop]: Abstraction has 246 states and 346 transitions. [2018-11-28 23:57:40,628 INFO L608 BuchiCegarLoop]: Abstraction has 246 states and 346 transitions. [2018-11-28 23:57:40,628 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:57:40,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 346 transitions. [2018-11-28 23:57:40,633 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 176 [2018-11-28 23:57:40,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:57:40,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:57:40,634 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:57:40,634 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:57:40,636 INFO L794 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 787#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 788#L792 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 779#L800 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 780#L139 assume 0 != main_~tmp~0; 840#L112 havoc test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 858#L901-1 [2018-11-28 23:57:40,636 INFO L796 eck$LassoCheckResult]: Loop: 858#L901-1 assume !false; 941#L532 assume test_~splverifierCounter~0 < 4; 781#L533 test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 782#L541 assume !(0 != test_~tmp~4); 797#L541-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 874#L551 assume !(0 != test_~tmp___0~0); 875#L551-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 860#L561 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 861#L569-1 assume !(0 != ~pumpRunning~0); 829#L604 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 800#L636 assume !(0 != ~pumpRunning~0); 802#L611 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 822#L849-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 785#L895 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 786#L881 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 863#L901 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 858#L901-1 [2018-11-28 23:57:40,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:40,636 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:57:40,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:40,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:40,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:40,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:40,725 INFO L82 PathProgramCache]: Analyzing trace with hash -2091093440, now seen corresponding path program 1 times [2018-11-28 23:57:40,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:40,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:40,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,727 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:57:40,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:57:40,750 INFO L82 PathProgramCache]: Analyzing trace with hash 831599078, now seen corresponding path program 1 times [2018-11-28 23:57:40,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:57:40,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:57:40,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:57:40,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:57:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:57:41,308 WARN L180 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-28 23:57:46,894 WARN L180 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:57:49,413 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:57:49,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:57:49 BoogieIcfgContainer [2018-11-28 23:57:49,486 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:57:49,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:57:49,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:57:49,487 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:57:49,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:38" (3/4) ... [2018-11-28 23:57:49,492 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:57:49,576 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:57:49,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:57:49,577 INFO L168 Benchmark]: Toolchain (without parser) took 13477.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 952.7 MB in the beginning and 914.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 345.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,578 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 23:57:49,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,580 INFO L168 Benchmark]: Boogie Preprocessor took 39.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:57:49,580 INFO L168 Benchmark]: RCFGBuilder took 1124.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,582 INFO L168 Benchmark]: BuchiAutomizer took 11433.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 917.2 MB in the end (delta: 141.7 MB). Peak memory consumption was 358.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,583 INFO L168 Benchmark]: Witness Printer took 89.23 ms. Allocated memory is still 1.3 GB. Free memory was 917.2 MB in the beginning and 914.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:57:49,588 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 708.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1124.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 11433.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.1 GB in the beginning and 917.2 MB in the end (delta: 141.7 MB). Peak memory consumption was 358.5 MB. Max. memory is 11.5 GB. * Witness Printer took 89.23 ms. Allocated memory is still 1.3 GB. Free memory was 917.2 MB in the beginning and 914.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 246 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.8s. Construction of modules took 0.8s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 166 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 246 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 224 SDtfs, 432 SDslu, 448 SDs, 0 SdLazy, 89 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s 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: 531]: 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, NULL=0, retValue_acc=0, NULL=0, NULL=43, NULL=0, NULL=0, NULL=45, NULL=35, methaneLevelCritical=0, NULL=0, tmp=0, NULL=0, NULL=49, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12ddda38=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@722275fc=0, tmp___1=0, NULL=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53aa87aa=0, NULL=19, NULL=24, NULL=34, cleanupTimeShifts=4, NULL=48, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e86bf22=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f1dfc5a=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a225604=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61930205=0, tmp___0=1, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=20, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6349a738=0, NULL=27, retValue_acc=0, NULL=26, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=29, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c48cb21=0, NULL=0, NULL=0, NULL=38, NULL=47, NULL=37, retValue_acc=1, NULL=36, retValue_acc=1, tmp___2=56, NULL=22, splverifierCounter=0, \result=0, tmp___1=0, head=0, NULL=0, tmp=0, NULL=39, NULL=0, NULL=33, NULL=0, NULL=46, NULL=0, NULL=0, NULL=23, NULL=0, NULL=28} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int cleanupTimeShifts = 4; [L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L130] int retValue_acc ; [L131] int tmp ; [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 Loop: [L531] COND TRUE 1 [L533] COND TRUE splverifierCounter < 4 [L539] tmp = __VERIFIER_nondet_int() [L541] COND FALSE !(\read(tmp)) [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp___2) [L765] systemActive = 1 [L604] COND FALSE !(\read(pumpRunning)) [L611] COND TRUE \read(systemActive) [L633] int tmp ; [L636] COND FALSE !(\read(pumpRunning)) [L887] int tmp ; [L888] int tmp___0 ; [L889] int tmp___1 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); [L893] tmp = isMethaneLevelCritical() [L895] COND FALSE !(\read(tmp)) [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] return (retValue_acc); [L899] tmp___0 = getWaterLevel() [L901] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...