./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.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_spec5_product58.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 e8e2fe939766c7a542c760a74550866c5b83d51d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:42:28,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:42:28,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:42:28,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:42:28,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:42:28,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:42:28,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:42:28,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:42:28,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:42:28,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:42:28,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:42:28,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:42:28,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:42:28,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:42:28,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:42:28,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:42:28,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:42:28,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:42:28,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:42:28,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:42:28,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:42:28,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:42:28,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:42:28,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:42:28,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:42:28,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:42:28,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:42:28,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:42:28,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:42:28,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:42:28,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:42:28,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:42:28,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:42:28,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:42:28,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:42:28,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:42:28,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:42:28,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:42:28,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:42:28,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:42:28,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:42:28,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:42:28,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:42:28,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:42:28,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:42:28,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:42:28,813 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:42:28,813 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:42:28,814 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:42:28,814 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:42:28,814 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:42:28,814 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:42:28,814 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:42:28,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:42:28,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:42:28,815 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:42:28,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:42:28,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:42:28,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:42:28,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:42:28,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:42:28,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:42:28,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:42:28,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:42:28,817 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:42:28,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:42:28,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:42:28,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:42:28,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:42:28,818 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:42:28,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:42:28,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:42:28,819 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:42:28,820 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:42:28,820 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 -> e8e2fe939766c7a542c760a74550866c5b83d51d [2019-11-28 03:42:29,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:42:29,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:42:29,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:42:29,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:42:29,153 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:42:29,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2019-11-28 03:42:29,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3519c01/9e37c79f80434cf686df72b80e55e186/FLAG18868e854 [2019-11-28 03:42:29,844 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:42:29,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2019-11-28 03:42:29,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3519c01/9e37c79f80434cf686df72b80e55e186/FLAG18868e854 [2019-11-28 03:42:30,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3519c01/9e37c79f80434cf686df72b80e55e186 [2019-11-28 03:42:30,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:42:30,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:42:30,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:42:30,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:42:30,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:42:30,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b88ebbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30, skipping insertion in model container [2019-11-28 03:42:30,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:42:30,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:42:30,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:42:30,624 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:42:30,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:42:30,768 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:42:30,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30 WrapperNode [2019-11-28 03:42:30,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:42:30,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:42:30,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:42:30,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:42:30,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:42:30,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:42:30,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:42:30,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:42:30,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (1/1) ... [2019-11-28 03:42:30,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:42:30,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:42:30,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:42:30,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:42:30,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (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 03:42:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:42:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:42:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:42:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:42:31,907 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:42:31,907 INFO L297 CfgBuilder]: Removed 208 assume(true) statements. [2019-11-28 03:42:31,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:31 BoogieIcfgContainer [2019-11-28 03:42:31,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:42:31,909 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:42:31,910 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:42:31,913 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:42:31,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:42:31,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:42:30" (1/3) ... [2019-11-28 03:42:31,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18acc8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:42:31, skipping insertion in model container [2019-11-28 03:42:31,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:42:31,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:42:30" (2/3) ... [2019-11-28 03:42:31,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18acc8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:42:31, skipping insertion in model container [2019-11-28 03:42:31,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:42:31,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:31" (3/3) ... [2019-11-28 03:42:31,919 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2019-11-28 03:42:31,967 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:42:31,967 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:42:31,967 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:42:31,968 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:42:31,968 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:42:31,968 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:42:31,968 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:42:31,968 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:42:31,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states. [2019-11-28 03:42:32,019 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2019-11-28 03:42:32,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:42:32,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:42:32,029 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:32,029 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:32,029 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:42:32,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states. [2019-11-28 03:42:32,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2019-11-28 03:42:32,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:42:32,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:42:32,039 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:32,039 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:32,045 INFO L794 eck$LassoCheckResult]: Stem: 83#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~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~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 8#L-1true havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 14#L998true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 17#L1006true main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 135#L657true assume 0 != main_~tmp~4; 29#L629true ~switchedOnBeforeTS~0 := 0; 127#L159true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L180-1true [2019-11-28 03:42:32,046 INFO L796 eck$LassoCheckResult]: Loop: 28#L180-1true assume !false; 32#L692true assume test_~splverifierCounter~0 < 4; 122#L693true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 131#L701true assume !(0 != test_~tmp~5); 134#L701-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 35#L711true assume !(0 != test_~tmp___0~1); 36#L711-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 86#L721true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 96#L729-2true havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 71#L889true __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 30#L169true assume !(0 != ~pumpRunning~0); 57#L760true assume !(0 != ~systemActive~0); 7#L767true havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~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; 111#L123true __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 31#L180true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 28#L180-1true [2019-11-28 03:42:32,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:32,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:42:32,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:32,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319230198] [2019-11-28 03:42:32,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:32,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:42:32,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:32,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1013869901, now seen corresponding path program 1 times [2019-11-28 03:42:32,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:32,435 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812779606] [2019-11-28 03:42:32,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:42:32,492 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 03:42:32,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812779606] [2019-11-28 03:42:32,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:42:32,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:42:32,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104170394] [2019-11-28 03:42:32,500 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:42:32,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:42:32,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:42:32,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:42:32,521 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 3 states. [2019-11-28 03:42:32,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:42:32,580 INFO L93 Difference]: Finished difference Result 141 states and 200 transitions. [2019-11-28 03:42:32,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:42:32,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 200 transitions. [2019-11-28 03:42:32,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 89 [2019-11-28 03:42:32,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 134 states and 192 transitions. [2019-11-28 03:42:32,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2019-11-28 03:42:32,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2019-11-28 03:42:32,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 192 transitions. [2019-11-28 03:42:32,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:42:32,615 INFO L688 BuchiCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-11-28 03:42:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 192 transitions. [2019-11-28 03:42:32,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-28 03:42:32,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 03:42:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2019-11-28 03:42:32,664 INFO L711 BuchiCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-11-28 03:42:32,664 INFO L591 BuchiCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-11-28 03:42:32,664 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:42:32,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 192 transitions. [2019-11-28 03:42:32,666 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 89 [2019-11-28 03:42:32,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:42:32,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:42:32,667 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:32,668 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:32,668 INFO L794 eck$LassoCheckResult]: Stem: 398#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~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~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 302#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 303#L998 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 312#L1006 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 317#L657 assume 0 != main_~tmp~4; 337#L629 ~switchedOnBeforeTS~0 := 0; 338#L159 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 335#L180-1 [2019-11-28 03:42:32,668 INFO L796 eck$LassoCheckResult]: Loop: 335#L180-1 assume !false; 336#L692 assume test_~splverifierCounter~0 < 4; 342#L693 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 422#L701 assume !(0 != test_~tmp~5); 400#L701-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 346#L711 assume !(0 != test_~tmp___0~1); 348#L711-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 349#L721 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 402#L729-2 havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 391#L889 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 339#L169 assume !(0 != ~pumpRunning~0); 307#L760 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 360#L818 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 361#L792-1 assume !(0 == ~pumpRunning~0); 292#L767 havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~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; 299#L123 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 340#L180 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 335#L180-1 [2019-11-28 03:42:32,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:32,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-28 03:42:32,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:32,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174808182] [2019-11-28 03:42:32,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:32,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:42:32,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:32,836 INFO L82 PathProgramCache]: Analyzing trace with hash 385675286, now seen corresponding path program 1 times [2019-11-28 03:42:32,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:32,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597056493] [2019-11-28 03:42:32,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:42:32,857 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 03:42:32,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597056493] [2019-11-28 03:42:32,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:42:32,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:42:32,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534422856] [2019-11-28 03:42:32,858 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:42:32,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:42:32,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:42:32,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:42:32,859 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. cyclomatic complexity: 60 Second operand 3 states. [2019-11-28 03:42:33,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:42:33,028 INFO L93 Difference]: Finished difference Result 183 states and 251 transitions. [2019-11-28 03:42:33,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:42:33,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 183 states and 251 transitions. [2019-11-28 03:42:33,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2019-11-28 03:42:33,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 183 states to 183 states and 251 transitions. [2019-11-28 03:42:33,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2019-11-28 03:42:33,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2019-11-28 03:42:33,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 251 transitions. [2019-11-28 03:42:33,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:42:33,041 INFO L688 BuchiCegarLoop]: Abstraction has 183 states and 251 transitions. [2019-11-28 03:42:33,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 251 transitions. [2019-11-28 03:42:33,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2019-11-28 03:42:33,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-11-28 03:42:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 251 transitions. [2019-11-28 03:42:33,063 INFO L711 BuchiCegarLoop]: Abstraction has 183 states and 251 transitions. [2019-11-28 03:42:33,063 INFO L591 BuchiCegarLoop]: Abstraction has 183 states and 251 transitions. [2019-11-28 03:42:33,064 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:42:33,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 251 transitions. [2019-11-28 03:42:33,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2019-11-28 03:42:33,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:42:33,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:42:33,070 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:33,070 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, 1, 1] [2019-11-28 03:42:33,070 INFO L794 eck$LassoCheckResult]: Stem: 721#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~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~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 626#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 627#L998 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 636#L1006 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 641#L657 assume 0 != main_~tmp~4; 659#L629 ~switchedOnBeforeTS~0 := 0; 660#L159 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 657#L180-1 [2019-11-28 03:42:33,071 INFO L796 eck$LassoCheckResult]: Loop: 657#L180-1 assume !false; 658#L692 assume test_~splverifierCounter~0 < 4; 665#L693 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 751#L701 assume !(0 != test_~tmp~5); 723#L701-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 669#L711 assume !(0 != test_~tmp___0~1); 671#L711-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 672#L721 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 725#L729-2 havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 714#L889 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 661#L169 assume !(0 != ~pumpRunning~0); 662#L760 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 683#L818 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 684#L792-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 634#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 635#L136-1 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 651#L938-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 738#L938-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 727#L944-1 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 691#L796-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 615#L767 havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~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; 623#L123 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 663#L180 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 657#L180-1 [2019-11-28 03:42:33,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:33,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-28 03:42:33,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:33,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435726842] [2019-11-28 03:42:33,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,210 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:42:33,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:33,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1093023170, now seen corresponding path program 1 times [2019-11-28 03:42:33,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:33,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133959257] [2019-11-28 03:42:33,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:42:33,261 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 03:42:33,262 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133959257] [2019-11-28 03:42:33,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:42:33,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 03:42:33,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166513260] [2019-11-28 03:42:33,263 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:42:33,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:42:33,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:42:33,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:42:33,264 INFO L87 Difference]: Start difference. First operand 183 states and 251 transitions. cyclomatic complexity: 70 Second operand 5 states. [2019-11-28 03:42:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:42:33,515 INFO L93 Difference]: Finished difference Result 517 states and 697 transitions. [2019-11-28 03:42:33,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 03:42:33,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 517 states and 697 transitions. [2019-11-28 03:42:33,522 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2019-11-28 03:42:33,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 517 states to 517 states and 697 transitions. [2019-11-28 03:42:33,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 517 [2019-11-28 03:42:33,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 517 [2019-11-28 03:42:33,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 517 states and 697 transitions. [2019-11-28 03:42:33,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:42:33,532 INFO L688 BuchiCegarLoop]: Abstraction has 517 states and 697 transitions. [2019-11-28 03:42:33,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states and 697 transitions. [2019-11-28 03:42:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 359. [2019-11-28 03:42:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-28 03:42:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 481 transitions. [2019-11-28 03:42:33,550 INFO L711 BuchiCegarLoop]: Abstraction has 359 states and 481 transitions. [2019-11-28 03:42:33,550 INFO L591 BuchiCegarLoop]: Abstraction has 359 states and 481 transitions. [2019-11-28 03:42:33,550 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:42:33,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 359 states and 481 transitions. [2019-11-28 03:42:33,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 252 [2019-11-28 03:42:33,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:42:33,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:42:33,555 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:42:33,555 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, 1, 1, 1, 1] [2019-11-28 03:42:33,555 INFO L794 eck$LassoCheckResult]: Stem: 1440#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~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~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1342#L-1 havoc main_#res;havoc main_#t~ret48, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 1343#L998 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1352#L1006 main_#t~ret48 := valid_product_#res;main_~tmp~4 := main_#t~ret48;havoc main_#t~ret48; 1357#L657 assume 0 != main_~tmp~4; 1375#L629 ~switchedOnBeforeTS~0 := 0; 1376#L159 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1373#L180-1 [2019-11-28 03:42:33,556 INFO L796 eck$LassoCheckResult]: Loop: 1373#L180-1 assume !false; 1374#L692 assume test_~splverifierCounter~0 < 4; 1381#L693 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 1470#L701 assume !(0 != test_~tmp~5); 1473#L701-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 1385#L711 assume !(0 != test_~tmp___0~1); 1387#L711-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 1388#L721 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1442#L729-2 havoc __utac_acc__Specification5_spec__2_#t~ret10;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1430#L889 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 1377#L169 assume !(0 != ~pumpRunning~0); 1378#L760 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1399#L818 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1400#L792-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret73, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1350#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1351#L136-1 isHighWaterLevel_#t~ret73 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret73;havoc isHighWaterLevel_#t~ret73; 1365#L938-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 1457#L938-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 1446#L944-1 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 1407#L796-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 1331#L767 havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~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; 1339#L123 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 1379#L180 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1380#L889-1 __utac_acc__Specification5_spec__3_#t~ret12 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 1434#L184 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1373#L180-1 [2019-11-28 03:42:33,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:33,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times [2019-11-28 03:42:33,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:33,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120771045] [2019-11-28 03:42:33,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,624 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:42:33,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:33,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1871732579, now seen corresponding path program 1 times [2019-11-28 03:42:33,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:33,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425307790] [2019-11-28 03:42:33,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:42:33,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:42:33,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1935158761, now seen corresponding path program 1 times [2019-11-28 03:42:33,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:42:33,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982929597] [2019-11-28 03:42:33,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:42:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:42:33,729 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:42:33,918 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-11-28 03:43:02,061 WARN L192 SmtUtils]: Spent 28.05 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:43:15,712 WARN L192 SmtUtils]: Spent 13.64 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:43:15,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:43:15 BoogieIcfgContainer [2019-11-28 03:43:15,815 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:43:15,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:43:15,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:43:15,816 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:43:15,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:42:31" (3/4) ... [2019-11-28 03:43:15,821 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:43:15,885 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:43:15,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:43:15,888 INFO L168 Benchmark]: Toolchain (without parser) took 45794.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -235.9 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:15,888 INFO L168 Benchmark]: CDTParser took 0.28 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 03:43:15,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:15,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:15,890 INFO L168 Benchmark]: Boogie Preprocessor took 65.87 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 03:43:15,891 INFO L168 Benchmark]: RCFGBuilder took 985.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:15,895 INFO L168 Benchmark]: BuchiAutomizer took 43905.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -173.9 MB). Peak memory consumption was 395.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:15,896 INFO L168 Benchmark]: Witness Printer took 70.05 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:15,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 673.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.87 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 985.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43905.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -173.9 MB). Peak memory consumption was 395.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.05 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 359 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 43.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 158 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 359 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 655 SDtfs, 971 SDslu, 714 SDs, 0 SdLazy, 137 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI3 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: 691]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6290} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=6295, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62e07d2f=0, NULL=6290, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e4ad723=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f1a5100=0, NULL=6297, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@444d0cb=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=6305, NULL=6308, retValue_acc=1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@462b54cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35d3b1ce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20bd900e=60, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d63286c=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76b1c387=0, tmp=0, NULL=6292, NULL=0, NULL=6294, NULL=0, NULL=6296, tmp___1=0, tmp=1, NULL=6303, cleanupTimeShifts=4, NULL=6307, switchedOnBeforeTS=0, NULL=6312, NULL=15756, NULL=6293, tmp=0, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=6310, \result=0, NULL=6311, NULL=15757, NULL=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, tmp=1, NULL=0, NULL=6313, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6301, \result=1, NULL=0, retValue_acc=0, NULL=6306, tmp___2=60, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@705ae9b4=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=6302, NULL=6291, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19354d9e=0, head=0, NULL=6300, tmp=0, NULL=6298, NULL=0, NULL=15758, NULL=6299, retValue_acc=0, NULL=6309} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L153] int switchedOnBeforeTS ; [L371] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int cleanupTimeShifts = 4; [L750] int pumpRunning = 0; [L751] int systemActive = 1; [L648] int retValue_acc ; [L649] int tmp ; [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); [L655] tmp = valid_product() [L657] COND TRUE \read(tmp) [L158] switchedOnBeforeTS = 0 [L682] int splverifierCounter ; [L683] int tmp ; [L684] int tmp___0 ; [L685] int tmp___1 ; [L686] int tmp___2 ; [L689] splverifierCounter = 0 Loop: [L691] COND TRUE 1 [L693] COND TRUE splverifierCounter < 4 [L699] tmp = __VERIFIER_nondet_int() [L701] COND FALSE !(\read(tmp)) [L709] tmp___0 = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp___0)) [L719] tmp___2 = __VERIFIER_nondet_int() [L721] COND TRUE \read(tmp___2) [L971] systemActive = 1 [L885] int retValue_acc ; [L888] retValue_acc = pumpRunning [L889] return (retValue_acc); [L167] switchedOnBeforeTS = isPumpRunning() [L760] COND FALSE !(\read(pumpRunning)) [L767] COND TRUE \read(systemActive) [L815] int tmp ; [L818] COND FALSE !(\read(pumpRunning)) [L789] int tmp ; [L792] COND TRUE ! pumpRunning [L930] int retValue_acc ; [L931] int tmp ; [L932] int tmp___0 ; [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] return (retValue_acc); [L936] tmp = isHighWaterSensorDry() [L938] COND TRUE \read(tmp) [L939] tmp___0 = 0 [L943] retValue_acc = tmp___0 [L944] return (retValue_acc); [L794] tmp = isHighWaterLevel() [L796] COND FALSE !(\read(tmp)) [L173] int tmp ; [L174] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L178] tmp = getWaterLevel() [L180] COND TRUE tmp != 2 [L885] int retValue_acc ; [L888] retValue_acc = pumpRunning [L889] return (retValue_acc); [L182] tmp___0 = isPumpRunning() [L184] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...