./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_spec2_product50.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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:31:08,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:31:08,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:31:08,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:31:08,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:31:09,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:31:09,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:31:09,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:31:09,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:31:09,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:31:09,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:31:09,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:31:09,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:31:09,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:31:09,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:31:09,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:31:09,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:31:09,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:31:09,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:31:09,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:31:09,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:31:09,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:31:09,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:31:09,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:31:09,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:31:09,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:31:09,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:31:09,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:31:09,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:31:09,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:31:09,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:31:09,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:31:09,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:31:09,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:31:09,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:31:09,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:31:09,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:31:09,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:31:09,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:31:09,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:31:09,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:31:09,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:31:09,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:31:09,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:31:09,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:31:09,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:31:09,093 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:31:09,095 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:31:09,095 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:31:09,095 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:31:09,095 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:31:09,095 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:31:09,096 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:31:09,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:31:09,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:31:09,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:31:09,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:31:09,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:31:09,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:31:09,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:31:09,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:31:09,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:31:09,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:31:09,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:31:09,103 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:31:09,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:31:09,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:31:09,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:31:09,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:31:09,104 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:31:09,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:31:09,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:31:09,105 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:31:09,106 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:31:09,107 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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-11-28 03:31:09,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:31:09,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:31:09,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:31:09,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:31:09,419 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:31:09,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-28 03:31:09,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aae74109/ec32fb54627449b99ef9b19db7920d24/FLAGaec714a08 [2019-11-28 03:31:10,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:31:10,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-28 03:31:10,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aae74109/ec32fb54627449b99ef9b19db7920d24/FLAGaec714a08 [2019-11-28 03:31:10,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aae74109/ec32fb54627449b99ef9b19db7920d24 [2019-11-28 03:31:10,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:31:10,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:31:10,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:31:10,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:31:10,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:31:10,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:10" (1/1) ... [2019-11-28 03:31:10,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8f7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:10, skipping insertion in model container [2019-11-28 03:31:10,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:10" (1/1) ... [2019-11-28 03:31:10,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:31:10,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:31:10,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:31:10,878 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:31:10,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:31:11,019 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:31:11,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11 WrapperNode [2019-11-28 03:31:11,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:31:11,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:31:11,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:31:11,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:31:11,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:31:11,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:31:11,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:31:11,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:31:11,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (1/1) ... [2019-11-28 03:31:11,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:31:11,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:31:11,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:31:11,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:31:11,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (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 03:31:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:31:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:31:11,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:31:11,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:31:12,012 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:31:12,012 INFO L297 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 03:31:12,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:12 BoogieIcfgContainer [2019-11-28 03:31:12,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:31:12,015 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:31:12,015 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:31:12,019 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:31:12,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:12,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:31:10" (1/3) ... [2019-11-28 03:31:12,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c2867f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:31:12, skipping insertion in model container [2019-11-28 03:31:12,022 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:12,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:11" (2/3) ... [2019-11-28 03:31:12,022 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c2867f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:31:12, skipping insertion in model container [2019-11-28 03:31:12,022 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:12,023 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:12" (3/3) ... [2019-11-28 03:31:12,024 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-28 03:31:12,066 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:31:12,066 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:31:12,066 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:31:12,066 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:31:12,067 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:31:12,067 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:31:12,067 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:31:12,068 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:31:12,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2019-11-28 03:31:12,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-11-28 03:31:12,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:12,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:12,125 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:12,125 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:12,125 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:31:12,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states. [2019-11-28 03:31:12,133 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2019-11-28 03:31:12,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:12,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:12,134 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:12,135 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:12,139 INFO L794 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 9#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 4#L73true main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 118#L167true assume 0 != main_~tmp~0; 47#L141true ~methAndRunningLastTime~0 := 0; 63#L190true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 62#L201-1true [2019-11-28 03:31:12,140 INFO L796 eck$LassoCheckResult]: Loop: 62#L201-1true assume !false; 111#L550true assume test_~splverifierCounter~0 < 4; 45#L551true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 75#L559true assume !(0 != test_~tmp~6); 51#L559-1true test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 115#L569true assume !(0 != test_~tmp___0~3); 116#L569-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 30#L579true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 31#L587-2true assume !(0 != ~pumpRunning~0); 107#L341true assume !(0 != ~systemActive~0); 21#L348true havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 15#L271true __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 65#L201true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 62#L201-1true [2019-11-28 03:31:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:12,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:31:12,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:12,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796894130] [2019-11-28 03:31:12,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:12,497 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:12,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash 5462155, now seen corresponding path program 1 times [2019-11-28 03:31:12,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:12,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174001706] [2019-11-28 03:31:12,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:31:12,563 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 03:31:12,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174001706] [2019-11-28 03:31:12,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:31:12,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:31:12,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804741078] [2019-11-28 03:31:12,572 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:31:12,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:31:12,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:31:12,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:31:12,593 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 3 states. [2019-11-28 03:31:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:31:12,659 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2019-11-28 03:31:12,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:31:12,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 171 transitions. [2019-11-28 03:31:12,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-28 03:31:12,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 111 states and 163 transitions. [2019-11-28 03:31:12,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 111 [2019-11-28 03:31:12,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2019-11-28 03:31:12,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 163 transitions. [2019-11-28 03:31:12,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:31:12,681 INFO L688 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-28 03:31:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 163 transitions. [2019-11-28 03:31:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-11-28 03:31:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-11-28 03:31:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-11-28 03:31:12,714 INFO L711 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-28 03:31:12,715 INFO L591 BuchiCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-11-28 03:31:12,715 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:31:12,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 163 transitions. [2019-11-28 03:31:12,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2019-11-28 03:31:12,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:12,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:12,719 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:12,719 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:12,719 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 250#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 251#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 245#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 246#L167 assume 0 != main_~tmp~0; 315#L141 ~methAndRunningLastTime~0 := 0; 316#L190 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 280#L201-1 [2019-11-28 03:31:12,720 INFO L796 eck$LassoCheckResult]: Loop: 280#L201-1 assume !false; 333#L550 assume test_~splverifierCounter~0 < 4; 313#L551 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 314#L559 assume !(0 != test_~tmp~6); 294#L559-1 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 322#L569 assume !(0 != test_~tmp___0~3); 355#L569-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 288#L579 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 290#L587-2 assume !(0 != ~pumpRunning~0); 291#L341 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 352#L399 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 252#L373-1 assume !(0 == ~pumpRunning~0); 254#L348 havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 265#L271 __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 266#L201 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 280#L201-1 [2019-11-28 03:31:12,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:12,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-28 03:31:12,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:12,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035585881] [2019-11-28 03:31:12,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:12,915 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:12,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1686527799, now seen corresponding path program 1 times [2019-11-28 03:31:12,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:12,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267048748] [2019-11-28 03:31:12,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:31:12,932 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 03:31:12,933 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267048748] [2019-11-28 03:31:12,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:31:12,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:31:12,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095545458] [2019-11-28 03:31:12,934 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:31:12,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:31:12,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:31:12,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:31:12,935 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-11-28 03:31:13,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:31:13,050 INFO L93 Difference]: Finished difference Result 155 states and 217 transitions. [2019-11-28 03:31:13,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:31:13,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 217 transitions. [2019-11-28 03:31:13,055 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2019-11-28 03:31:13,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 155 states and 217 transitions. [2019-11-28 03:31:13,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2019-11-28 03:31:13,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2019-11-28 03:31:13,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 217 transitions. [2019-11-28 03:31:13,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:31:13,060 INFO L688 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-11-28 03:31:13,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 217 transitions. [2019-11-28 03:31:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2019-11-28 03:31:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 03:31:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions. [2019-11-28 03:31:13,073 INFO L711 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-11-28 03:31:13,073 INFO L591 BuchiCegarLoop]: Abstraction has 155 states and 217 transitions. [2019-11-28 03:31:13,073 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:31:13,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 217 transitions. [2019-11-28 03:31:13,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2019-11-28 03:31:13,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:13,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:13,076 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:13,077 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:13,077 INFO L794 eck$LassoCheckResult]: Stem: 632#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string7.base, #t~string7.offset, 1);call write~init~int(77, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(101, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(116, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(104, #t~string7.base, 4 + #t~string7.offset, 1);call write~init~int(58, #t~string7.base, 5 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 6 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string9.base, #t~string9.offset, 1);call write~init~int(82, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(73, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(84, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 4 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(75, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string13.base, #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 1 + #t~string13.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 522#L-1 havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 523#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 517#L73 main_#t~ret1 := valid_product_#res;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 518#L167 assume 0 != main_~tmp~0; 590#L141 ~methAndRunningLastTime~0 := 0; 591#L190 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 554#L201-1 [2019-11-28 03:31:13,077 INFO L796 eck$LassoCheckResult]: Loop: 554#L201-1 assume !false; 609#L550 assume test_~splverifierCounter~0 < 4; 588#L551 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 589#L559 assume !(0 != test_~tmp~6); 569#L559-1 test_~tmp___0~3 := test_#t~nondet36;havoc test_#t~nondet36; 597#L569 assume !(0 != test_~tmp___0~3); 637#L569-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 564#L579 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 566#L587-2 assume !(0 != ~pumpRunning~0); 567#L341 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 634#L399 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 524#L373-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret33, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 525#L311-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 625#L316-1 isHighWaterLevel_#t~ret33 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret33;havoc isHighWaterLevel_#t~ret33; 613#L501-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 614#L501-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 595#L507-1 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 596#L377-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 544#L348 havoc __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_#t~ret3, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 536#L271 __utac_acc__Specification2_spec__2_#t~ret2 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret2;havoc __utac_acc__Specification2_spec__2_#t~ret2; 537#L201 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 554#L201-1 [2019-11-28 03:31:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:13,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-28 03:31:13,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:13,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836660144] [2019-11-28 03:31:13,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:13,180 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:13,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1049372309, now seen corresponding path program 1 times [2019-11-28 03:31:13,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:13,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478278849] [2019-11-28 03:31:13,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:13,199 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:13,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:13,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1472453361, now seen corresponding path program 1 times [2019-11-28 03:31:13,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:13,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671994113] [2019-11-28 03:31:13,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:13,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:13,507 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-11-28 03:31:39,014 WARN L192 SmtUtils]: Spent 25.42 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:31:52,961 WARN L192 SmtUtils]: Spent 13.93 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:31:53,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:31:53 BoogieIcfgContainer [2019-11-28 03:31:53,035 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:31:53,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:31:53,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:31:53,036 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:31:53,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:12" (3/4) ... [2019-11-28 03:31:53,040 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:31:53,141 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:31:53,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:31:53,144 INFO L168 Benchmark]: Toolchain (without parser) took 42804.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -219.7 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:31:53,145 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:31:53,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:31:53,147 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.99 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 03:31:53,148 INFO L168 Benchmark]: Boogie Preprocessor took 45.09 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:31:53,149 INFO L168 Benchmark]: RCFGBuilder took 867.15 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:31:53,151 INFO L168 Benchmark]: BuchiAutomizer took 41019.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -124.9 MB). Peak memory consumption was 366.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:31:53,151 INFO L168 Benchmark]: Witness Printer took 106.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:31:53,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 681.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.99 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. * Boogie Preprocessor took 45.09 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 867.15 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41019.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -124.9 MB). Peak memory consumption was 366.5 MB. Max. memory is 11.5 GB. * Witness Printer took 106.73 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 155 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 40.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 155 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 337 SDtfs, 278 SDslu, 72 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 549]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3483} State at position 1 is {NULL=0, NULL=0, retValue_acc=0, NULL=3483, NULL=3507, NULL=3489, NULL=0, NULL=0, NULL=3505, methaneLevelCritical=0, tmp___0=0, NULL=0, NULL=0, tmp=0, NULL=0, retValue_acc=0, NULL=3504, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ad26754=0, NULL=3497, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2641ca68=0, NULL=3491, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@113f1b0c=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@593ee28f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34d27b8d=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26da43d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a553a16=0, NULL=0, systemActive=1, waterLevel=1, NULL=3500, NULL=0, NULL=0, NULL=3488, retValue_acc=0, \result=0, NULL=3508, NULL=0, NULL=0, \result=1, NULL=3496, head=0, pumpRunning=0, tmp=1, NULL=3484, \result=0, retValue_acc=1, NULL=3506, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e3b1fef=0, NULL=0, \result=1, tmp___0=0, NULL=3501, NULL=3502, NULL=3492, NULL=0, tmp=1, NULL=3486, retValue_acc=1, tmp___0=0, tmp___2=66, NULL=3498, NULL=3490, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=3495, NULL=3499, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70b674ca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a85f993=0, NULL=3487, tmp=0, head=0, NULL=0, NULL=0, NULL=3493, NULL=0, NULL=0, NULL=3485, tmp=0, NULL=0, NULL=0, NULL=0, NULL=3494, NULL=3503} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L78] int cleanupTimeShifts = 4; [L184] int methAndRunningLastTime ; [L228] int waterLevel = 1; [L229] int methaneLevelCritical = 0; [L334] int pumpRunning = 0; [L335] int systemActive = 1; [L775] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L158] int retValue_acc ; [L159] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L165] tmp = valid_product() [L167] COND TRUE \read(tmp) [L189] methAndRunningLastTime = 0 [L540] int splverifierCounter ; [L541] int tmp ; [L542] int tmp___0 ; [L543] int tmp___1 ; [L544] int tmp___2 ; [L547] splverifierCounter = 0 Loop: [L549] COND TRUE 1 [L551] COND TRUE splverifierCounter < 4 [L557] tmp = __VERIFIER_nondet_int() [L559] COND FALSE !(\read(tmp)) [L567] tmp___0 = __VERIFIER_nondet_int() [L569] COND FALSE !(\read(tmp___0)) [L577] tmp___2 = __VERIFIER_nondet_int() [L579] COND TRUE \read(tmp___2) [L534] systemActive = 1 [L341] COND FALSE !(\read(pumpRunning)) [L348] COND TRUE \read(systemActive) [L396] int tmp ; [L399] COND FALSE !(\read(pumpRunning)) [L370] int tmp ; [L373] COND TRUE ! pumpRunning [L493] int retValue_acc ; [L494] int tmp ; [L495] int tmp___0 ; [L308] int retValue_acc ; [L311] COND TRUE waterLevel < 2 [L312] retValue_acc = 1 [L313] return (retValue_acc); [L499] tmp = isHighWaterSensorDry() [L501] COND TRUE \read(tmp) [L502] tmp___0 = 0 [L506] retValue_acc = tmp___0 [L507] return (retValue_acc); [L375] tmp = isHighWaterLevel() [L377] COND FALSE !(\read(tmp)) [L194] int tmp ; [L195] int tmp___0 ; [L267] int retValue_acc ; [L270] retValue_acc = methaneLevelCritical [L271] return (retValue_acc); [L199] tmp = isMethaneLevelCritical() [L201] COND FALSE !(\read(tmp)) [L217] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...