./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product24_true-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_spec4_product24_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 19e7916b57c61379c1750277bd4e75aabb7fe031 ............................................................................................................................................................................................................................................................................................................................................................ 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 23:59:17,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:59:17,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:59:17,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:59:17,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:59:17,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:59:17,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:59:17,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:59:17,145 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:59:17,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:59:17,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:59:17,150 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:59:17,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:59:17,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:59:17,155 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:59:17,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:59:17,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:59:17,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:59:17,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:59:17,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:59:17,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:59:17,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:59:17,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:59:17,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:59:17,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:59:17,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:59:17,189 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:59:17,190 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:59:17,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:59:17,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:59:17,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:59:17,195 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:59:17,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:59:17,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:59:17,197 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:59:17,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:59:17,200 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:59:17,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:59:17,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:59:17,228 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:59:17,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:59:17,231 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:59:17,232 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:59:17,232 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:59:17,232 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:59:17,232 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:59:17,232 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:59:17,233 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:59:17,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:59:17,234 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:59:17,234 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:59:17,234 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:59:17,235 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:59:17,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:59:17,236 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:59:17,236 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:59:17,237 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:59:17,237 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:59:17,237 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:59:17,237 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:59:17,237 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:59:17,237 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:59:17,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:59:17,238 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:59:17,238 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:59:17,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:59:17,238 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:59:17,238 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:59:17,239 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:59:17,239 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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2018-11-28 23:59:17,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:59:17,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:59:17,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:59:17,310 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:59:17,310 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:59:17,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:17,366 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ff5fb46/e4a02de71d02446a9b4506318e44ca7e/FLAG54a05e1f1 [2018-11-28 23:59:17,871 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:59:17,872 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:17,887 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ff5fb46/e4a02de71d02446a9b4506318e44ca7e/FLAG54a05e1f1 [2018-11-28 23:59:18,162 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ff5fb46/e4a02de71d02446a9b4506318e44ca7e [2018-11-28 23:59:18,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:59:18,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:59:18,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:18,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:59:18,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:59:18,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:18,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18, skipping insertion in model container [2018-11-28 23:59:18,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:18,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:59:18,246 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:59:18,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:18,695 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:59:18,812 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:18,927 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:59:18,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18 WrapperNode [2018-11-28 23:59:18,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:18,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:18,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:59:18,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:59:18,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:18,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:19,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:59:19,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:59:19,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:59:19,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2018-11-28 23:59:19,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:59:19,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:59:19,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:59:19,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:59:19,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (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 23:59:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:59:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:59:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:59:20,453 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:59:20,454 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-11-28 23:59:20,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:20 BoogieIcfgContainer [2018-11-28 23:59:20,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:59:20,455 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:59:20,455 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:59:20,458 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:59:20,459 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:20,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:59:18" (1/3) ... [2018-11-28 23:59:20,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dd6bf47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:20, skipping insertion in model container [2018-11-28 23:59:20,463 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:20,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (2/3) ... [2018-11-28 23:59:20,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dd6bf47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:20, skipping insertion in model container [2018-11-28 23:59:20,463 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:20,464 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:20" (3/3) ... [2018-11-28 23:59:20,465 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:20,521 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:59:20,522 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:59:20,522 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:59:20,522 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:59:20,522 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:59:20,522 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:59:20,523 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:59:20,523 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:59:20,523 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:59:20,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-28 23:59:20,581 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-28 23:59:20,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:20,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:20,593 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:20,593 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:20,594 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:59:20,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-28 23:59:20,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-28 23:59:20,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:20,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:20,603 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:20,604 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:20,610 INFO L794 eck$LassoCheckResult]: Stem: 71#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); 16#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; 27#L929true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 28#L937true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 45#L130true assume 0 != main_~tmp~0; 26#L103true 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; 59#L889-1true [2018-11-28 23:59:20,611 INFO L796 eck$LassoCheckResult]: Loop: 59#L889-1true assume !false; 65#L523true assume test_~splverifierCounter~0 < 4; 34#L524true test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 35#L532true assume !(0 != test_~tmp~4); 36#L532-1true test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 70#L542true assume !(0 != test_~tmp___0~0); 73#L542-1true test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 19#L552true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 33#L560-1true assume !(0 != ~pumpRunning~0); 17#L596true assume !(0 != ~systemActive~0); 54#L603true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 8#L866true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 58#L889true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 59#L889-1true [2018-11-28 23:59:20,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:20,622 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:59:20,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:20,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:20,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:20,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:20,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:20,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:20,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2018-11-28 23:59:20,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:20,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:20,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:20,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:20,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:59:21,033 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 23:59:21,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:59:21,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:59:21,040 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:59:21,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:59:21,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:59:21,061 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2018-11-28 23:59:21,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:59:21,188 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2018-11-28 23:59:21,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:59:21,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2018-11-28 23:59:21,204 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2018-11-28 23:59:21,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2018-11-28 23:59:21,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2018-11-28 23:59:21,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2018-11-28 23:59:21,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2018-11-28 23:59:21,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:59:21,217 INFO L705 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2018-11-28 23:59:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2018-11-28 23:59:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2018-11-28 23:59:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-11-28 23:59:21,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2018-11-28 23:59:21,268 INFO L728 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-11-28 23:59:21,268 INFO L608 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-11-28 23:59:21,268 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:59:21,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2018-11-28 23:59:21,272 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2018-11-28 23:59:21,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:21,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:21,274 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:21,274 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:21,274 INFO L794 eck$LassoCheckResult]: Stem: 411#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); 342#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; 343#L929 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 361#L937 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 362#L130 assume 0 != main_~tmp~0; 359#L103 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; 360#L889-1 [2018-11-28 23:59:21,275 INFO L796 eck$LassoCheckResult]: Loop: 360#L889-1 assume !false; 400#L523 assume test_~splverifierCounter~0 < 4; 368#L524 test_~tmp~4 := test_#t~nondet36;havoc test_#t~nondet36; 369#L532 assume !(0 != test_~tmp~4); 371#L532-1 test_~tmp___0~0 := test_#t~nondet37;havoc test_#t~nondet37; 372#L542 assume !(0 != test_~tmp___0~0); 377#L542-1 test_~tmp___2~0 := test_#t~nondet38;havoc test_#t~nondet38; 349#L552 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 350#L560-1 assume !(0 != ~pumpRunning~0); 344#L596 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 345#L654 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 447#L628-1 assume !(0 != ~pumpRunning~0); 395#L603 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 327#L866 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 328#L889 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 360#L889-1 [2018-11-28 23:59:21,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:21,275 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:59:21,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:21,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:21,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:21,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:21,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:21,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:21,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2018-11-28 23:59:21,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:21,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:21,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:21,407 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:59:21,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:21,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:21,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2018-11-28 23:59:21,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:21,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:21,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:21,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:21,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:21,949 WARN L180 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-28 23:59:28,354 WARN L180 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:59:30,909 WARN L180 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:59:30,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:59:30 BoogieIcfgContainer [2018-11-28 23:59:30,968 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:59:30,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:59:30,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:59:30,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:59:30,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:20" (3/4) ... [2018-11-28 23:59:30,975 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:59:31,048 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:59:31,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:59:31,050 INFO L168 Benchmark]: Toolchain (without parser) took 12882.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.6 MB). Free memory was 951.3 MB in the beginning and 957.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 287.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:31,051 INFO L168 Benchmark]: CDTParser took 0.15 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 23:59:31,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:31,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:31,055 INFO L168 Benchmark]: Boogie Preprocessor took 56.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:59:31,056 INFO L168 Benchmark]: RCFGBuilder took 1363.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:31,056 INFO L168 Benchmark]: BuchiAutomizer took 10512.64 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 960.6 MB in the end (delta: 78.7 MB). Peak memory consumption was 356.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:31,058 INFO L168 Benchmark]: Witness Printer took 80.02 ms. Allocated memory is still 1.3 GB. Free memory was 960.6 MB in the beginning and 957.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:31,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 759.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1363.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10512.64 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 960.6 MB in the end (delta: 78.7 MB). Peak memory consumption was 356.5 MB. Max. memory is 11.5 GB. * Witness Printer took 80.02 ms. Allocated memory is still 1.3 GB. Free memory was 960.6 MB in the beginning and 957.4 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 10.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 522]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22e781db=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=43, NULL=0, NULL=0, NULL=45, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62de94ab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31bec53f=0, NULL=35, methaneLevelCritical=0, retValue_acc=1, NULL=0, tmp=0, NULL=0, NULL=49, NULL=0, tmp___1=0, NULL=42, tmp=0, NULL=19, NULL=24, NULL=34, cleanupTimeShifts=4, NULL=48, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@513be48=0, NULL=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b71682b=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47502047=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bbe8ce2=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e839a9b=0, \result=1, NULL=0, NULL=0, NULL=27, 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@120e75dd=0, NULL=0, NULL=0, NULL=38, NULL=47, NULL=37, NULL=36, retValue_acc=1, tmp=1, tmp___2=56, NULL=22, splverifierCounter=0, head=0, NULL=0, NULL=39, NULL=0, NULL=33, tmp=0, 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: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L791] int waterLevel = 1; [L792] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L933] int retValue_acc ; [L936] retValue_acc = 1 [L937] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L513] int splverifierCounter ; [L514] int tmp ; [L515] int tmp___0 ; [L516] int tmp___1 ; [L517] int tmp___2 ; [L520] splverifierCounter = 0 Loop: [L522] COND TRUE 1 [L524] COND TRUE splverifierCounter < 4 [L530] tmp = __VERIFIER_nondet_int() [L532] COND FALSE !(\read(tmp)) [L540] tmp___0 = __VERIFIER_nondet_int() [L542] COND FALSE !(\read(tmp___0)) [L550] tmp___2 = __VERIFIER_nondet_int() [L552] COND TRUE \read(tmp___2) [L785] systemActive = 1 [L596] COND FALSE !(\read(pumpRunning)) [L603] COND TRUE \read(systemActive) [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L625] int tmp ; [L628] COND FALSE !(\read(pumpRunning)) [L882] int tmp ; [L883] int tmp___0 ; [L862] int retValue_acc ; [L865] retValue_acc = waterLevel [L866] return (retValue_acc); [L887] tmp = getWaterLevel() [L889] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...