./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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_spec1_product57_true-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 edf277e8e45bc51905c3746c53b47e5f504df38a ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 23:36:24,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:36:24,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:36:24,110 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:36:24,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:36:24,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:36:24,113 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:36:24,115 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:36:24,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:36:24,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:36:24,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:36:24,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:36:24,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:36:24,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:36:24,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:36:24,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:36:24,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:36:24,126 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:36:24,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:36:24,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:36:24,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:36:24,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:36:24,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:36:24,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:36:24,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:36:24,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:36:24,139 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:36:24,145 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:36:24,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:36:24,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:36:24,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:36:24,147 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:36:24,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:36:24,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:36:24,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:36:24,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:36:24,150 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:36:24,182 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:36:24,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:36:24,184 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:36:24,184 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:36:24,184 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:36:24,184 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:36:24,184 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:36:24,185 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:36:24,185 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:36:24,185 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:36:24,185 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:36:24,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:36:24,185 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:36:24,186 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:36:24,186 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:36:24,186 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:36:24,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:36:24,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:36:24,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:36:24,187 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:36:24,187 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:36:24,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:36:24,187 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:36:24,187 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:36:24,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:36:24,188 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:36:24,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:36:24,188 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:36:24,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:36:24,188 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:36:24,189 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:36:24,190 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:36:24,190 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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2019-01-01 23:36:24,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:36:24,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:36:24,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:36:24,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:36:24,270 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:36:24,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2019-01-01 23:36:24,322 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7d2a740/fa020148d76d48e38f103c8367a693ed/FLAG752f18660 [2019-01-01 23:36:24,882 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:36:24,883 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2019-01-01 23:36:24,896 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7d2a740/fa020148d76d48e38f103c8367a693ed/FLAG752f18660 [2019-01-01 23:36:25,136 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec7d2a740/fa020148d76d48e38f103c8367a693ed [2019-01-01 23:36:25,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:36:25,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:36:25,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:36:25,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:36:25,147 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:36:25,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:25,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3277d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25, skipping insertion in model container [2019-01-01 23:36:25,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:25,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:36:25,222 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:36:25,645 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:36:25,674 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:36:25,858 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:36:25,905 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:36:25,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25 WrapperNode [2019-01-01 23:36:25,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:36:25,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:36:25,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:36:25,907 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:36:25,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:25,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:36:26,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:36:26,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:36:26,010 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:36:26,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (1/1) ... [2019-01-01 23:36:26,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:36:26,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:36:26,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:36:26,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:36:26,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (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 [2019-01-01 23:36:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:36:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:36:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:36:26,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:36:27,756 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:36:27,757 INFO L280 CfgBuilder]: Removed 192 assue(true) statements. [2019-01-01 23:36:27,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:36:27 BoogieIcfgContainer [2019-01-01 23:36:27,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:36:27,759 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:36:27,759 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:36:27,763 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:36:27,764 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:36:27,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:36:25" (1/3) ... [2019-01-01 23:36:27,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e3762c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:36:27, skipping insertion in model container [2019-01-01 23:36:27,766 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:36:27,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:36:25" (2/3) ... [2019-01-01 23:36:27,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e3762c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:36:27, skipping insertion in model container [2019-01-01 23:36:27,767 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:36:27,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:36:27" (3/3) ... [2019-01-01 23:36:27,770 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2019-01-01 23:36:27,831 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:36:27,831 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:36:27,832 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:36:27,832 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:36:27,832 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:36:27,832 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:36:27,832 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:36:27,832 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:36:27,833 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:36:27,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-01-01 23:36:27,893 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-01-01 23:36:27,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:36:27,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:36:27,903 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:36:27,903 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:36:27,903 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:36:27,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-01-01 23:36:27,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-01-01 23:36:27,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:36:27,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:36:27,914 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:36:27,914 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:36:27,922 INFO L794 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 24#L-1true havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 57#L94true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 62#L102true main_#t~ret64 := valid_product_#res;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 52#L846true assume 0 != main_~tmp~10; 79#L823true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L51-1true [2019-01-01 23:36:27,922 INFO L796 eck$LassoCheckResult]: Loop: 14#L51-1true assume !false; 55#L488true assume test_~splverifierCounter~0 < 4; 123#L489true test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 31#L497true assume !(0 != test_~tmp~4); 34#L497-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 58#L507true assume !(0 != test_~tmp___0~1); 59#L507-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 113#L517true assume 0 != test_~tmp___2~0; 67#L523-2true assume !(0 != ~pumpRunning~0); 80#L556true assume !(0 != ~systemActive~0); 27#L563true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 50#L904-2true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 19#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 14#L51-1true [2019-01-01 23:36:27,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:27,933 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:36:27,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:27,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:27,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:27,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:36:27,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:28,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:28,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1679097918, now seen corresponding path program 1 times [2019-01-01 23:36:28,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:28,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:28,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:28,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:36:28,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:28,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:28,775 INFO L82 PathProgramCache]: Analyzing trace with hash 35181020, now seen corresponding path program 1 times [2019-01-01 23:36:28,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:28,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:28,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:28,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:36:28,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:36:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:36:29,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:36:29,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:36:29,314 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-01 23:36:29,538 WARN L181 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-01 23:36:29,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 23:36:29,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 23:36:29,583 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 6 states. [2019-01-01 23:36:29,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:36:29,779 INFO L93 Difference]: Finished difference Result 132 states and 187 transitions. [2019-01-01 23:36:29,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 23:36:29,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 187 transitions. [2019-01-01 23:36:29,794 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-01-01 23:36:29,802 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions. [2019-01-01 23:36:29,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-01-01 23:36:29,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-01-01 23:36:29,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions. [2019-01-01 23:36:29,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:36:29,808 INFO L705 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-01-01 23:36:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions. [2019-01-01 23:36:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-01-01 23:36:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-01-01 23:36:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-01-01 23:36:29,863 INFO L728 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-01-01 23:36:29,863 INFO L608 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-01-01 23:36:29,863 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:36:29,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions. [2019-01-01 23:36:29,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-01-01 23:36:29,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:36:29,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:36:29,871 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:36:29,871 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:36:29,872 INFO L794 eck$LassoCheckResult]: Stem: 384#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 321#L-1 havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 322#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 350#L102 main_#t~ret64 := valid_product_#res;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 346#L846 assume 0 != main_~tmp~10; 347#L823 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 304#L51-1 [2019-01-01 23:36:29,872 INFO L796 eck$LassoCheckResult]: Loop: 304#L51-1 assume !false; 305#L488 assume test_~splverifierCounter~0 < 4; 349#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 328#L497 assume !(0 != test_~tmp~4); 330#L497-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 334#L507 assume !(0 != test_~tmp___0~1); 351#L507-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 353#L517 assume 0 != test_~tmp___2~0; 361#L523-2 assume !(0 != ~pumpRunning~0); 362#L556 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 366#L614 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 308#L588-1 assume !(0 == ~pumpRunning~0); 301#L563 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 324#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 313#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 304#L51-1 [2019-01-01 23:36:29,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:29,873 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:36:29,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:29,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:29,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:29,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:36:29,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:30,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1986081045, now seen corresponding path program 1 times [2019-01-01 23:36:30,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:30,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:30,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:30,233 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:36:30,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:36:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:36:30,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:36:30,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:36:30,293 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:36:30,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:36:30,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:36:30,294 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand 3 states. [2019-01-01 23:36:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:36:30,764 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions. [2019-01-01 23:36:30,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:36:30,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions. [2019-01-01 23:36:30,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-01-01 23:36:30,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions. [2019-01-01 23:36:30,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-01-01 23:36:30,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-01-01 23:36:30,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions. [2019-01-01 23:36:30,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:36:30,772 INFO L705 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-01-01 23:36:30,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions. [2019-01-01 23:36:30,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-01-01 23:36:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-01-01 23:36:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions. [2019-01-01 23:36:30,783 INFO L728 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-01-01 23:36:30,783 INFO L608 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-01-01 23:36:30,783 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:36:30,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions. [2019-01-01 23:36:30,786 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-01-01 23:36:30,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:36:30,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:36:30,787 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:36:30,787 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:36:30,788 INFO L794 eck$LassoCheckResult]: Stem: 687#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 619#L-1 havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 620#L94 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 650#L102 main_#t~ret64 := valid_product_#res;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; 646#L846 assume 0 != main_~tmp~10; 647#L823 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 602#L51-1 [2019-01-01 23:36:30,789 INFO L796 eck$LassoCheckResult]: Loop: 602#L51-1 assume !false; 603#L488 assume test_~splverifierCounter~0 < 4; 649#L489 test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; 631#L497 assume !(0 != test_~tmp~4); 633#L497-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 634#L507 assume !(0 != test_~tmp___0~1); 651#L507-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 653#L517 assume 0 != test_~tmp___2~0; 661#L523-2 assume !(0 != ~pumpRunning~0); 662#L556 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 666#L614 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 606#L588-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 607#L944-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 690#L949-1 isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; 698#L734-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 705#L734-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 692#L740-1 processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; 670#L592-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 623#L563 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 624#L904-2 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 611#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 602#L51-1 [2019-01-01 23:36:30,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:30,789 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-01 23:36:30,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:30,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:30,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:30,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:36:30,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:31,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1392929207, now seen corresponding path program 1 times [2019-01-01 23:36:31,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:31,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:31,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:31,079 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:36:31,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:31,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:36:31,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1849000401, now seen corresponding path program 1 times [2019-01-01 23:36:31,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:36:31,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:36:31,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:31,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:36:31,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:36:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:36:32,510 WARN L181 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-01-01 23:36:32,781 WARN L181 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-01-01 23:36:52,691 WARN L181 SmtUtils]: Spent 19.89 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:37:06,106 WARN L181 SmtUtils]: Spent 13.41 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:37:06,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:37:06 BoogieIcfgContainer [2019-01-01 23:37:06,184 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:37:06,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:37:06,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:37:06,184 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:37:06,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:36:27" (3/4) ... [2019-01-01 23:37:06,190 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:37:06,286 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:37:06,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:37:06,288 INFO L168 Benchmark]: Toolchain (without parser) took 41147.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 951.3 MB in the beginning and 917.7 MB in the end (delta: 33.6 MB). Peak memory consumption was 353.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:37:06,290 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-01-01 23:37:06,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:37:06,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.44 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:37:06,299 INFO L168 Benchmark]: Boogie Preprocessor took 81.22 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. [2019-01-01 23:37:06,300 INFO L168 Benchmark]: RCFGBuilder took 1666.52 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:37:06,300 INFO L168 Benchmark]: BuchiAutomizer took 38424.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 929.2 MB in the end (delta: 116.4 MB). Peak memory consumption was 401.6 MB. Max. memory is 11.5 GB. [2019-01-01 23:37:06,301 INFO L168 Benchmark]: Witness Printer took 103.08 ms. Allocated memory is still 1.3 GB. Free memory was 929.2 MB in the beginning and 917.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:37:06,310 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 763.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 36.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.44 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.22 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 1666.52 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: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38424.77 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 929.2 MB in the end (delta: 116.4 MB). Peak memory consumption was 401.6 MB. Max. memory is 11.5 GB. * Witness Printer took 103.08 ms. Allocated memory is still 1.3 GB. Free memory was 929.2 MB in the beginning and 917.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 37.4s. Construction of modules took 0.5s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 347 SDtfs, 855 SDslu, 68 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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: 487]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, NULL=-5, NULL=0, NULL=0, retValue_acc=0, NULL=-23, methaneLevelCritical=0, tmp___0=0, tmp=0, NULL=0, NULL=-9, NULL=0, NULL=-10, retValue_acc=0, tmp___1=0, NULL=-7, tmp___0=0, cleanupTimeShifts=4, NULL=-16, NULL=-1, NULL=-25, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74f4e3b0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@471b18b4=0, tmp=0, tmp=1, NULL=-14, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6456c483=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d0b419c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50ba9dd3=61, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16c7ea76=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@173f2d12=0, NULL=0, \result=0, NULL=-3, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=-21, NULL=-22, \result=0, NULL=-6, NULL=-15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e79b90f=0, NULL=-19, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@359201d=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-17, tmp=0, \result=1, NULL=-20, NULL=-8, NULL=0, NULL=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=61, NULL=-2, tmp___0=0, NULL=-11, splverifierCounter=0, NULL=0, \result=0, NULL=-24, NULL=-12, head=0, NULL=0, NULL=-18, NULL=0, tmp=0, NULL=-4, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6632d9fb=0, NULL=-13} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L276] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L549] int pumpRunning = 0; [L550] int systemActive = 1; [L764] int cleanupTimeShifts = 4; [L861] int waterLevel = 1; [L862] int methaneLevelCritical = 0; [L837] int retValue_acc ; [L838] int tmp ; [L98] int retValue_acc ; [L101] retValue_acc = 1 [L102] return (retValue_acc); [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L478] int splverifierCounter ; [L479] int tmp ; [L480] int tmp___0 ; [L481] int tmp___1 ; [L482] int tmp___2 ; [L485] splverifierCounter = 0 Loop: [L487] COND TRUE 1 [L489] COND TRUE splverifierCounter < 4 [L495] tmp = __VERIFIER_nondet_int() [L497] COND FALSE !(\read(tmp)) [L505] tmp___0 = __VERIFIER_nondet_int() [L507] COND FALSE !(\read(tmp___0)) [L515] tmp___2 = __VERIFIER_nondet_int() [L517] COND TRUE \read(tmp___2) [L556] COND FALSE !(\read(pumpRunning)) [L563] COND TRUE \read(systemActive) [L611] int tmp ; [L614] COND FALSE !(\read(pumpRunning)) [L585] int tmp ; [L588] COND TRUE ! pumpRunning [L726] int retValue_acc ; [L727] int tmp ; [L728] int tmp___0 ; [L941] int retValue_acc ; [L944] COND TRUE waterLevel < 2 [L945] retValue_acc = 1 [L946] return (retValue_acc); [L732] tmp = isHighWaterSensorDry() [L734] COND TRUE \read(tmp) [L735] tmp___0 = 0 [L739] retValue_acc = tmp___0 [L740] return (retValue_acc); [L590] tmp = isHighWaterLevel() [L592] COND FALSE !(\read(tmp)) [L44] int tmp ; [L45] int tmp___0 ; [L900] int retValue_acc ; [L903] retValue_acc = methaneLevelCritical [L904] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...