./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_spec1_product23.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 ce9b192c4304b665f71871b8c27751c04bbbec40 .................................................................................................................................................................................................................................................................................................................................................................. 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 03:25:44,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:25:44,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:25:44,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:25:44,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:25:44,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:25:44,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:25:44,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:25:44,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:25:44,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:25:44,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:25:44,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:25:44,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:25:44,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:25:44,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:25:44,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:25:44,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:25:44,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:25:44,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:25:44,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:25:44,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:25:44,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:25:44,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:25:44,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:25:44,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:25:44,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:25:44,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:25:44,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:25:44,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:25:44,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:25:44,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:25:44,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:25:44,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:25:44,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:25:44,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:25:44,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:25:44,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:25:44,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:25:44,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:25:44,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:25:44,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:25:44,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:25:44,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:25:44,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:25:44,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:25:44,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:25:44,766 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:25:44,766 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:25:44,767 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:25:44,767 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:25:44,767 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:25:44,767 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:25:44,768 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:25:44,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:25:44,769 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:25:44,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:25:44,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:25:44,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:25:44,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:25:44,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:25:44,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:25:44,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:25:44,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:25:44,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:25:44,772 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:25:44,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:25:44,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:25:44,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:25:44,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:25:44,774 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:25:44,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:25:44,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:25:44,774 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:25:44,777 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:25:44,777 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 -> ce9b192c4304b665f71871b8c27751c04bbbec40 [2019-11-28 03:25:45,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:25:45,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:25:45,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:25:45,161 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:25:45,162 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:25:45,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2019-11-28 03:25:45,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203cbcbde/289edafbd157419ab27341a12a1d857e/FLAG23cb09ce1 [2019-11-28 03:25:45,821 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:25:45,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2019-11-28 03:25:45,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203cbcbde/289edafbd157419ab27341a12a1d857e/FLAG23cb09ce1 [2019-11-28 03:25:46,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/203cbcbde/289edafbd157419ab27341a12a1d857e [2019-11-28 03:25:46,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:25:46,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:25:46,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:46,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:25:46,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:25:46,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ebb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46, skipping insertion in model container [2019-11-28 03:25:46,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:25:46,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:25:46,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:46,599 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:25:46,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:46,748 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:25:46,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46 WrapperNode [2019-11-28 03:25:46,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:46,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:46,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:25:46,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:25:46,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:46,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:25:46,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:25:46,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:25:46,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (1/1) ... [2019-11-28 03:25:46,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:25:46,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:25:46,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:25:46,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:25:46,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (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 03:25:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:25:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:25:46,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:25:46,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:25:47,724 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:25:47,725 INFO L297 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 03:25:47,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:47 BoogieIcfgContainer [2019-11-28 03:25:47,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:25:47,727 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:25:47,727 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:25:47,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:25:47,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:47,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:25:46" (1/3) ... [2019-11-28 03:25:47,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2986c722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:47, skipping insertion in model container [2019-11-28 03:25:47,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:47,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:46" (2/3) ... [2019-11-28 03:25:47,733 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2986c722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:47, skipping insertion in model container [2019-11-28 03:25:47,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:47,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:47" (3/3) ... [2019-11-28 03:25:47,736 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2019-11-28 03:25:47,782 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:25:47,782 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:25:47,782 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:25:47,783 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:25:47,784 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:25:47,784 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:25:47,784 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:25:47,785 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:25:47,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 03:25:47,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 03:25:47,858 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:47,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:47,867 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:47,868 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:47,868 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:25:47,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 03:25:47,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 03:25:47,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:47,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:47,885 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:47,885 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:47,890 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 7#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 6#L822true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 9#L830true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 67#L917true assume 0 != main_~tmp~8; 81#L894true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 76#L779-1true [2019-11-28 03:25:47,891 INFO L796 eck$LassoCheckResult]: Loop: 76#L779-1true assume !false; 15#L516true assume test_~splverifierCounter~0 < 4; 87#L517true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 93#L525true assume !(0 != test_~tmp~3); 95#L525-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 35#L535true assume !(0 != test_~tmp___0~0); 37#L535-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 74#L545true assume 0 != test_~tmp___2~0; 65#L551-1true assume !(0 != ~pumpRunning~0); 61#L584true assume !(0 != ~systemActive~0); 106#L591true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;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; 97#L456-1true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 75#L779true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 76#L779-1true [2019-11-28 03:25:47,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:47,898 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:25:47,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:47,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660756344] [2019-11-28 03:25:47,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:48,252 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:48,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:48,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2019-11-28 03:25:48,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:48,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565911528] [2019-11-28 03:25:48,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:48,276 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2019-11-28 03:25:48,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:48,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929524363] [2019-11-28 03:25:48,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:25:48,469 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 03:25:48,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929524363] [2019-11-28 03:25:48,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:25:48,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:25:48,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533581862] [2019-11-28 03:25:48,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:25:48,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:25:48,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:25:48,581 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2019-11-28 03:25:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:25:48,811 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2019-11-28 03:25:48,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 03:25:48,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2019-11-28 03:25:48,822 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2019-11-28 03:25:48,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2019-11-28 03:25:48,833 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2019-11-28 03:25:48,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2019-11-28 03:25:48,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2019-11-28 03:25:48,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:25:48,842 INFO L688 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2019-11-28 03:25:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2019-11-28 03:25:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2019-11-28 03:25:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 03:25:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-11-28 03:25:48,897 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 03:25:48,898 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 03:25:48,898 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:25:48,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-11-28 03:25:48,901 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-11-28 03:25:48,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:48,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:48,902 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:48,902 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:48,903 INFO L794 eck$LassoCheckResult]: Stem: 462#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 382#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 380#L822 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 381#L830 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 385#L917 assume 0 != main_~tmp~8; 458#L894 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 419#L779-1 [2019-11-28 03:25:48,903 INFO L796 eck$LassoCheckResult]: Loop: 419#L779-1 assume !false; 396#L516 assume test_~splverifierCounter~0 < 4; 397#L517 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 468#L525 assume !(0 != test_~tmp~3); 393#L525-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 422#L535 assume !(0 != test_~tmp___0~0); 423#L535-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 427#L545 assume 0 != test_~tmp___2~0; 457#L551-1 assume !(0 != ~pumpRunning~0); 439#L584 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 442#L642 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 444#L616-1 assume !(0 != ~pumpRunning~0); 447#L591 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;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; 471#L456-1 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 461#L779 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 419#L779-1 [2019-11-28 03:25:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:48,904 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:25:48,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:48,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513358159] [2019-11-28 03:25:48,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:49,016 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:49,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2019-11-28 03:25:49,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:49,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17113322] [2019-11-28 03:25:49,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:49,030 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:49,031 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2019-11-28 03:25:49,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:49,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770813035] [2019-11-28 03:25:49,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:49,142 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:16,225 WARN L192 SmtUtils]: Spent 27.01 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:26:29,194 WARN L192 SmtUtils]: Spent 12.96 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:26:29,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:26:29 BoogieIcfgContainer [2019-11-28 03:26:29,276 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:26:29,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:26:29,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:26:29,277 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:26:29,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:47" (3/4) ... [2019-11-28 03:26:29,281 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:26:29,361 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:26:29,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:26:29,363 INFO L168 Benchmark]: Toolchain (without parser) took 43241.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.1 MB). Free memory was 961.7 MB in the beginning and 793.7 MB in the end (delta: 168.0 MB). Peak memory consumption was 451.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,364 INFO L168 Benchmark]: CDTParser took 0.25 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 03:26:29,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -112.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,367 INFO L168 Benchmark]: Boogie Preprocessor took 40.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:29,367 INFO L168 Benchmark]: RCFGBuilder took 865.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,369 INFO L168 Benchmark]: BuchiAutomizer took 41548.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 1.0 GB in the beginning and 793.7 MB in the end (delta: 207.9 MB). Peak memory consumption was 406.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:29,370 INFO L168 Benchmark]: Witness Printer took 84.60 ms. Allocated memory is still 1.3 GB. Free memory is still 793.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:29,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 629.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -112.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 865.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41548.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 1.0 GB in the beginning and 793.7 MB in the end (delta: 207.9 MB). Peak memory consumption was 406.3 MB. Max. memory is 11.5 GB. * Witness Printer took 84.60 ms. Allocated memory is still 1.3 GB. Free memory is still 793.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 515]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9137} State at position 1 is {NULL=0, NULL=9160, NULL=0, NULL=9137, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3345a177=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@701de084=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1416c335=0, NULL=0, NULL=9150, NULL=9142, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@119f6210=0, NULL=0, methaneLevelCritical=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ad5820=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49000a39=0, tmp=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=9154, NULL=9147, tmp___0=0, NULL=9152, NULL=9158, NULL=9162, cleanupTimeShifts=4, NULL=9143, NULL=9140, NULL=9138, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=9141, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, NULL=9151, head=0, pumpRunning=0, NULL=9159, \result=0, NULL=9156, tmp=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48bf687c=0, NULL=0, NULL=9155, NULL=9149, NULL=9148, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69b93dfd=0, tmp___2=66, NULL=9144, splverifierCounter=0, NULL=0, \result=0, NULL=9153, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7661c1a6=0, NULL=0, tmp=0, NULL=9146, NULL=9139, NULL=0, NULL=9145, NULL=0, NULL=0, NULL=9161, NULL=9157} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L576] int pumpRunning = 0; [L577] int systemActive = 1; [L835] int cleanupTimeShifts = 4; [L908] int retValue_acc ; [L909] int tmp ; [L826] int retValue_acc ; [L829] retValue_acc = 1 [L830] return (retValue_acc); [L915] tmp = valid_product() [L917] COND TRUE \read(tmp) [L506] int splverifierCounter ; [L507] int tmp ; [L508] int tmp___0 ; [L509] int tmp___1 ; [L510] int tmp___2 ; [L513] splverifierCounter = 0 Loop: [L515] COND TRUE 1 [L517] COND TRUE splverifierCounter < 4 [L523] tmp = __VERIFIER_nondet_int() [L525] COND FALSE !(\read(tmp)) [L533] tmp___0 = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp___0)) [L543] tmp___2 = __VERIFIER_nondet_int() [L545] COND TRUE \read(tmp___2) [L584] COND FALSE !(\read(pumpRunning)) [L591] COND TRUE \read(systemActive) [L639] int tmp ; [L642] COND FALSE !(\read(pumpRunning)) [L613] int tmp ; [L616] COND FALSE !(\read(pumpRunning)) [L772] int tmp ; [L773] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L777] tmp = isMethaneLevelCritical() [L779] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...