./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product28.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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ........................................................................................................................................................................................................................................................................................................................................................... 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 03:37:07,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:37:07,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:37:07,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:37:07,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:37:07,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:37:07,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:37:07,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:37:07,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:37:07,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:37:07,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:37:07,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:37:07,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:37:07,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:37:07,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:37:07,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:37:07,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:37:07,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:37:07,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:37:07,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:37:07,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:37:07,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:37:07,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:37:07,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:37:07,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:37:07,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:37:07,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:37:07,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:37:07,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:37:07,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:37:07,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:37:07,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:37:07,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:37:07,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:37:07,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:37:07,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:37:07,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:37:07,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:37:07,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:37:07,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:37:07,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:37:07,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:37:07,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:37:07,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:37:07,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:37:07,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:37:07,872 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:37:07,872 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:37:07,873 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:37:07,873 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:37:07,873 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:37:07,874 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:37:07,874 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:37:07,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:37:07,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:37:07,875 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:37:07,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:37:07,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:37:07,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:37:07,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:37:07,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:37:07,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:37:07,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:37:07,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:37:07,877 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:37:07,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:37:07,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:37:07,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:37:07,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:37:07,878 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:37:07,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:37:07,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:37:07,879 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:37:07,880 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:37:07,881 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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2019-11-28 03:37:08,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:37:08,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:37:08,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:37:08,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:37:08,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:37:08,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-28 03:37:08,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e18decb0/8c79ea5e28c74ebc9c21694cdd8f34db/FLAGd281d7394 [2019-11-28 03:37:08,755 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:37:08,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2019-11-28 03:37:08,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e18decb0/8c79ea5e28c74ebc9c21694cdd8f34db/FLAGd281d7394 [2019-11-28 03:37:09,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e18decb0/8c79ea5e28c74ebc9c21694cdd8f34db [2019-11-28 03:37:09,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:37:09,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:37:09,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:37:09,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:37:09,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:37:09,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315832c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09, skipping insertion in model container [2019-11-28 03:37:09,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:37:09,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:37:09,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:37:09,562 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:37:09,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:37:09,760 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:37:09,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09 WrapperNode [2019-11-28 03:37:09,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:37:09,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:37:09,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:37:09,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:37:09,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:37:09,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:37:09,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:37:09,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:37:09,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (1/1) ... [2019-11-28 03:37:09,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:37:09,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:37:09,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:37:09,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:37:09,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (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 03:37:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:37:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:37:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:37:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:37:10,707 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:37:10,708 INFO L297 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 03:37:10,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:10 BoogieIcfgContainer [2019-11-28 03:37:10,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:37:10,710 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:37:10,710 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:37:10,713 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:37:10,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:10,714 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:37:09" (1/3) ... [2019-11-28 03:37:10,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b0e7eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:10, skipping insertion in model container [2019-11-28 03:37:10,716 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:10,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:09" (2/3) ... [2019-11-28 03:37:10,716 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b0e7eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:10, skipping insertion in model container [2019-11-28 03:37:10,716 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:10,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:10" (3/3) ... [2019-11-28 03:37:10,718 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-11-28 03:37:10,761 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:37:10,761 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:37:10,762 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:37:10,762 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:37:10,762 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:37:10,763 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:37:10,763 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:37:10,763 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:37:10,780 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-28 03:37:10,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:37:10,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:10,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:10,826 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:10,826 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:10,827 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:37:10,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-28 03:37:10,838 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:37:10,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:10,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:10,840 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:10,840 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:10,845 INFO L794 eck$LassoCheckResult]: Stem: 35#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #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(41, #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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 6#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 7#L468true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 42#L476true main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 76#L858true assume 0 != main_~tmp~7; 24#L834true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L425-1true [2019-11-28 03:37:10,845 INFO L796 eck$LassoCheckResult]: Loop: 37#L425-1true assume !false; 55#L883true assume test_~splverifierCounter~0 < 4; 70#L884true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 11#L892true assume !(0 != test_~tmp~8); 13#L892-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 73#L902true assume !(0 != test_~tmp___0~2); 74#L902-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 56#L912true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 65#L920-1true assume !(0 != ~pumpRunning~0); 39#L498true assume !(0 != ~systemActive~0); 18#L505true havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 19#L761true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 32#L425true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 37#L425-1true [2019-11-28 03:37:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:10,852 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:37:10,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:10,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190457648] [2019-11-28 03:37:10,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,285 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:11,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:11,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-11-28 03:37:11,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:11,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296052270] [2019-11-28 03:37:11,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:37:11,340 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 03:37:11,340 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296052270] [2019-11-28 03:37:11,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:37:11,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:37:11,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785405594] [2019-11-28 03:37:11,346 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:37:11,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:37:11,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:37:11,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:37:11,361 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-11-28 03:37:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:37:11,447 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-11-28 03:37:11,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:37:11,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-11-28 03:37:11,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-11-28 03:37:11,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-11-28 03:37:11,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-11-28 03:37:11,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-11-28 03:37:11,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-11-28 03:37:11,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:37:11,468 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-11-28 03:37:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-11-28 03:37:11,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-11-28 03:37:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-28 03:37:11,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-11-28 03:37:11,511 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-28 03:37:11,511 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-28 03:37:11,511 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:37:11,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-11-28 03:37:11,514 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-11-28 03:37:11,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:11,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:11,515 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:11,515 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:11,515 INFO L794 eck$LassoCheckResult]: Stem: 270#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~string42.base, #t~string42.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(110, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(102, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 3 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(80, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(117, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(109, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(112, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(32, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string56.base, #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 1 + #t~string56.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #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(41, #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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 231#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 232#L468 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 233#L476 main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 275#L858 assume 0 != main_~tmp~7; 257#L834 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 258#L425-1 [2019-11-28 03:37:11,516 INFO L796 eck$LassoCheckResult]: Loop: 258#L425-1 assume !false; 286#L883 assume test_~splverifierCounter~0 < 4; 287#L884 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 322#L892 assume !(0 != test_~tmp~8); 320#L892-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 319#L902 assume !(0 != test_~tmp___0~2); 317#L902-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 288#L912 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 289#L920-1 assume !(0 != ~pumpRunning~0); 266#L498 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret38, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 313#L530 assume !(0 != ~pumpRunning~0); 311#L505 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 310#L761 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 309#L425 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 258#L425-1 [2019-11-28 03:37:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:11,516 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:37:11,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:11,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47659504] [2019-11-28 03:37:11,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,619 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:11,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:11,620 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-11-28 03:37:11,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:11,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81689455] [2019-11-28 03:37:11,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,634 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:11,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:11,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-11-28 03:37:11,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:11,635 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153210082] [2019-11-28 03:37:11,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:11,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:11,864 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-11-28 03:37:38,132 WARN L192 SmtUtils]: Spent 26.22 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:37:50,868 WARN L192 SmtUtils]: Spent 12.73 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:37:50,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:37:50 BoogieIcfgContainer [2019-11-28 03:37:50,940 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:37:50,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:37:50,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:37:50,941 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:37:50,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:10" (3/4) ... [2019-11-28 03:37:50,945 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:37:51,012 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:37:51,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:37:51,014 INFO L168 Benchmark]: Toolchain (without parser) took 41939.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 260.6 MB). Free memory was 960.4 MB in the beginning and 805.1 MB in the end (delta: 155.3 MB). Peak memory consumption was 415.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:51,015 INFO L168 Benchmark]: CDTParser took 0.26 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 03:37:51,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:51,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:51,017 INFO L168 Benchmark]: Boogie Preprocessor took 69.87 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 03:37:51,018 INFO L168 Benchmark]: RCFGBuilder took 793.12 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: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:51,018 INFO L168 Benchmark]: BuchiAutomizer took 40230.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 811.1 MB in the end (delta: 245.4 MB). Peak memory consumption was 380.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:51,019 INFO L168 Benchmark]: Witness Printer took 72.09 ms. Allocated memory is still 1.3 GB. Free memory was 811.1 MB in the beginning and 805.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:51,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 686.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.87 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 793.12 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: 51.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40230.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.4 MB). Free memory was 1.1 GB in the beginning and 811.1 MB in the end (delta: 245.4 MB). Peak memory consumption was 380.9 MB. Max. memory is 11.5 GB. * Witness Printer took 72.09 ms. Allocated memory is still 1.3 GB. Free memory was 811.1 MB in the beginning and 805.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 882]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5942} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=5942, NULL=5948, NULL=0, NULL=0, NULL=5962, NULL=0, NULL=5960, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fbefd84=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c10cbf6=0, NULL=0, NULL=0, tmp=0, tmp___1=0, NULL=5947, NULL=5949, NULL=5953, tmp___0=0, NULL=5955, cleanupTimeShifts=4, NULL=5944, NULL=5952, NULL=5965, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=5954, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a00ad7e=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=1, NULL=5946, head=0, pumpRunning=0, \result=0, NULL=5963, NULL=5957, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a7214b3=0, tmp=1, NULL=0, NULL=5966, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@735770c3=0, NULL=5967, NULL=5959, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45f78e9e=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71126c16=0, NULL=5945, tmp=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ec3efc2=0, tmp___2=59, tmp___0=0, NULL=5951, splverifierCounter=0, NULL=0, NULL=5958, head=0, tmp=0, NULL=0, NULL=5950, NULL=5964, NULL=0, NULL=5943, NULL=0, NULL=0, NULL=5961, NULL=0, NULL=5956} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L491] int pumpRunning = 0; [L492] int systemActive = 1; [L686] int waterLevel = 1; [L687] int methaneLevelCritical = 0; [L775] int cleanupTimeShifts = 4; [L849] int retValue_acc ; [L850] int tmp ; [L472] int retValue_acc ; [L475] retValue_acc = 1 [L476] return (retValue_acc); [L856] tmp = valid_product() [L858] COND TRUE \read(tmp) [L873] int splverifierCounter ; [L874] int tmp ; [L875] int tmp___0 ; [L876] int tmp___1 ; [L877] int tmp___2 ; [L880] splverifierCounter = 0 Loop: [L882] COND TRUE 1 [L884] COND TRUE splverifierCounter < 4 [L890] tmp = __VERIFIER_nondet_int() [L892] COND FALSE !(\read(tmp)) [L900] tmp___0 = __VERIFIER_nondet_int() [L902] COND FALSE !(\read(tmp___0)) [L910] tmp___2 = __VERIFIER_nondet_int() [L912] COND TRUE \read(tmp___2) [L679] systemActive = 1 [L498] COND FALSE !(\read(pumpRunning)) [L505] COND TRUE \read(systemActive) [L527] int tmp ; [L530] COND FALSE !(\read(pumpRunning)) [L418] int tmp ; [L419] int tmp___0 ; [L757] int retValue_acc ; [L760] retValue_acc = waterLevel [L761] return (retValue_acc); [L423] tmp = getWaterLevel() [L425] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...