./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/minepump_spec4_product13.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 44f1ef45a377efa065428e9ab52d4697ba35b901 ................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-30f4e4a [2019-11-28 03:36:17,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:36:17,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:36:17,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:36:17,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:36:17,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:36:17,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:36:17,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:36:17,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:36:17,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:36:17,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:36:17,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:36:17,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:36:17,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:36:17,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:36:17,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:36:17,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:36:17,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:36:17,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:36:17,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:36:17,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:36:17,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:36:17,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:36:17,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:36:17,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:36:17,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:36:17,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:36:17,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:36:17,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:36:17,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:36:17,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:36:17,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:36:17,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:36:17,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:36:17,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:36:17,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:36:17,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:36:17,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:36:17,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:36:17,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:36:17,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:36:17,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:36:17,203 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:36:17,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:36:17,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:36:17,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:36:17,206 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:36:17,206 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:36:17,206 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:36:17,207 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:36:17,207 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:36:17,207 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:36:17,207 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:36:17,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:36:17,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:36:17,209 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:36:17,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:36:17,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:36:17,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:36:17,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:36:17,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:36:17,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:36:17,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:36:17,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:36:17,211 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:36:17,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:36:17,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:36:17,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:36:17,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:36:17,212 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:36:17,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:36:17,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:36:17,213 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:36:17,215 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:36:17,216 INFO L138 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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2019-11-28 03:36:17,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:36:17,543 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:36:17,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:36:17,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:36:17,547 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:36:17,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-11-28 03:36:17,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5bc59c4/cd6805deb85545b79186f481df4a36ad/FLAG5378e7210 [2019-11-28 03:36:18,095 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:36:18,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2019-11-28 03:36:18,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5bc59c4/cd6805deb85545b79186f481df4a36ad/FLAG5378e7210 [2019-11-28 03:36:18,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5bc59c4/cd6805deb85545b79186f481df4a36ad [2019-11-28 03:36:18,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:36:18,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:36:18,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:36:18,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:36:18,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:36:18,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:18" (1/1) ... [2019-11-28 03:36:18,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67529377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:18, skipping insertion in model container [2019-11-28 03:36:18,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:36:18" (1/1) ... [2019-11-28 03:36:18,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:36:18,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:36:18,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:36:18,967 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:36:19,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:36:19,082 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:36:19,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19 WrapperNode [2019-11-28 03:36:19,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:36:19,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:36:19,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:36:19,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:36:19,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:36:19,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:36:19,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:36:19,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:36:19,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (1/1) ... [2019-11-28 03:36:19,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:36:19,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:36:19,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:36:19,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:36:19,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (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 [2019-11-28 03:36:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:36:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:36:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:36:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:36:20,035 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:36:20,035 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 03:36:20,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:20 BoogieIcfgContainer [2019-11-28 03:36:20,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:36:20,039 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:36:20,040 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:36:20,044 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:36:20,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:36:20,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:36:18" (1/3) ... [2019-11-28 03:36:20,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@eb1232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:36:20, skipping insertion in model container [2019-11-28 03:36:20,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:36:20,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:36:19" (2/3) ... [2019-11-28 03:36:20,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@eb1232a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:36:20, skipping insertion in model container [2019-11-28 03:36:20,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:36:20,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:20" (3/3) ... [2019-11-28 03:36:20,049 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2019-11-28 03:36:20,106 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:36:20,107 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:36:20,107 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:36:20,107 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:36:20,107 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:36:20,108 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:36:20,108 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:36:20,108 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:36:20,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-28 03:36:20,170 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 03:36:20,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:36:20,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:36:20,180 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:36:20,180 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:36:20,180 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:36:20,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-28 03:36:20,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 03:36:20,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:36:20,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:36:20,195 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:36:20,195 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:36:20,200 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 9#L-1true havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 64#L869true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 4#L877true main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 36#L616true assume 0 != main_~tmp~4; 15#L589true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L510-1true [2019-11-28 03:36:20,201 INFO L796 eck$LassoCheckResult]: Loop: 37#L510-1true assume !false; 3#L793true assume test_~splverifierCounter~0 < 4; 27#L794true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 31#L802true assume !(0 != test_~tmp~7); 32#L802-1true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 17#L812true assume !(0 != test_~tmp___0~1); 18#L812-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 5#L822true assume 0 != test_~tmp___2~0; 45#L828-2true assume !(0 != ~pumpRunning~0); 7#L639true assume !(0 != ~systemActive~0); 62#L646true havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 28#L121true __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 34#L510true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 37#L510-1true [2019-11-28 03:36:20,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:20,208 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:36:20,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:20,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341856480] [2019-11-28 03:36:20,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:20,599 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:20,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:20,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2019-11-28 03:36:20,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:20,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100582455] [2019-11-28 03:36:20,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:20,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:20,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:20,649 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2019-11-28 03:36:20,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:20,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861899835] [2019-11-28 03:36:20,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:36:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:36:20,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861899835] [2019-11-28 03:36:20,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:36:20,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:36:20,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288450571] [2019-11-28 03:36:20,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:36:20,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:36:20,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:36:20,926 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2019-11-28 03:36:21,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:36:21,105 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2019-11-28 03:36:21,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:36:21,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2019-11-28 03:36:21,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-28 03:36:21,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-11-28 03:36:21,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-11-28 03:36:21,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-11-28 03:36:21,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-11-28 03:36:21,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:36:21,120 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 03:36:21,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-11-28 03:36:21,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-28 03:36:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-28 03:36:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-11-28 03:36:21,161 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 03:36:21,161 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 03:36:21,161 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:36:21,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-11-28 03:36:21,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-28 03:36:21,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:36:21,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:36:21,164 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:36:21,165 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:36:21,165 INFO L794 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 164#L-1 havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 165#L869 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 153#L877 main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 154#L616 assume 0 != main_~tmp~4; 169#L589 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 170#L510-1 [2019-11-28 03:36:21,166 INFO L796 eck$LassoCheckResult]: Loop: 170#L510-1 assume !false; 150#L793 assume test_~splverifierCounter~0 < 4; 151#L794 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 187#L802 assume !(0 != test_~tmp~7); 193#L802-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 173#L812 assume !(0 != test_~tmp___0~1); 168#L812-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 155#L822 assume 0 != test_~tmp___2~0; 156#L828-2 assume !(0 != ~pumpRunning~0); 162#L639 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 163#L671 assume !(0 != ~pumpRunning~0); 207#L646 havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 188#L121 __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 189#L510 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 170#L510-1 [2019-11-28 03:36:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:21,166 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:36:21,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:21,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631125615] [2019-11-28 03:36:21,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:21,314 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:21,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:21,315 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2019-11-28 03:36:21,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:21,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717080932] [2019-11-28 03:36:21,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:21,327 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:21,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:21,328 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2019-11-28 03:36:21,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:21,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072526694] [2019-11-28 03:36:21,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:21,410 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:44,333 WARN L192 SmtUtils]: Spent 22.83 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:36:55,865 WARN L192 SmtUtils]: Spent 11.53 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:36:55,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:36:55 BoogieIcfgContainer [2019-11-28 03:36:55,939 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:36:55,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:36:55,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:36:55,940 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:36:55,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:20" (3/4) ... [2019-11-28 03:36:55,946 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:36:56,043 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:36:56,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:36:56,046 INFO L168 Benchmark]: Toolchain (without parser) took 37579.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 957.7 MB in the beginning and 1.3 GB in the end (delta: -340.6 MB). Peak memory consumption was 402.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:56,046 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:36:56,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:56,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.14 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:56,048 INFO L168 Benchmark]: Boogie Preprocessor took 35.19 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. [2019-11-28 03:36:56,049 INFO L168 Benchmark]: RCFGBuilder took 849.69 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: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:56,049 INFO L168 Benchmark]: BuchiAutomizer took 35899.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 118.5 MB). Free memory was 1.1 GB in the beginning and 815.2 MB in the end (delta: 240.4 MB). Peak memory consumption was 366.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:56,050 INFO L168 Benchmark]: Witness Printer took 104.07 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 44.6 MB). Free memory was 815.2 MB in the beginning and 1.3 GB in the end (delta: -483.1 MB). Peak memory consumption was 21.4 kB. Max. memory is 11.5 GB. [2019-11-28 03:36:56,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 615.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.14 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.19 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 849.69 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: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35899.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 118.5 MB). Free memory was 1.1 GB in the beginning and 815.2 MB in the end (delta: 240.4 MB). Peak memory consumption was 366.9 MB. Max. memory is 11.5 GB. * Witness Printer took 104.07 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 44.6 MB). Free memory was 815.2 MB in the beginning and 1.3 GB in the end (delta: -483.1 MB). Peak memory consumption was 21.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 35.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 792]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5341} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@735ad452=0, NULL=0, NULL=0, NULL=0, NULL=5351, NULL=5341, NULL=0, NULL=0, retValue_acc=0, NULL=5352, NULL=0, NULL=5348, NULL=0, NULL=5354, NULL=5365, methaneLevelCritical=0, NULL=5343, NULL=5361, NULL=5367, NULL=0, tmp=0, tmp___1=0, NULL=5344, tmp___0=0, NULL=5345, NULL=5362, cleanupTimeShifts=4, NULL=5347, NULL=5363, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35a6081c=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6191933f=0, NULL=5366, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74e392bf=0, NULL=0, NULL=0, NULL=5359, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, NULL=5360, tmp=1, NULL=5342, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d249957=59, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ba47f45=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33513d99=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fdbc76e=0, tmp=1, NULL=5350, tmp___2=59, NULL=5353, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=5349, head=0, NULL=0, tmp=0, NULL=5364, NULL=0, NULL=0, NULL=5356, NULL=0, NULL=5358, NULL=5355, NULL=5357} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L528] int cleanupTimeShifts = 4; [L632] int pumpRunning = 0; [L633] int systemActive = 1; [L607] int retValue_acc ; [L608] int tmp ; [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); [L614] tmp = valid_product() [L616] COND TRUE \read(tmp) [L783] int splverifierCounter ; [L784] int tmp ; [L785] int tmp___0 ; [L786] int tmp___1 ; [L787] int tmp___2 ; [L790] splverifierCounter = 0 Loop: [L792] COND TRUE 1 [L794] COND TRUE splverifierCounter < 4 [L800] tmp = __VERIFIER_nondet_int() [L802] COND FALSE !(\read(tmp)) [L810] tmp___0 = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp___0)) [L820] tmp___2 = __VERIFIER_nondet_int() [L822] COND TRUE \read(tmp___2) [L639] COND FALSE !(\read(pumpRunning)) [L646] COND TRUE \read(systemActive) [L668] int tmp ; [L671] COND FALSE !(\read(pumpRunning)) [L503] int tmp ; [L504] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L508] tmp = getWaterLevel() [L510] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...