./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product04.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 eb6e4ceec74f15825c9a118863d143932b257258 ............................................................................................................................................................................................................................................................................................................................................................................ 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-f6fb2bb [2019-11-19 20:04:47,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:04:47,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:04:47,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:04:47,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:04:47,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:04:47,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:04:47,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:04:47,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:04:47,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:04:47,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:04:47,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:04:47,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:04:47,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:04:47,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:04:47,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:04:47,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:04:47,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:04:47,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:04:47,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:04:47,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:04:47,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:04:47,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:04:47,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:04:47,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:04:47,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:04:47,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:04:47,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:04:47,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:04:47,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:04:47,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:04:47,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:04:47,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:04:47,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:04:47,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:04:47,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:04:47,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:04:47,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:04:47,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:04:47,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:04:47,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:04:47,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:04:47,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:04:47,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:04:47,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:04:47,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:04:47,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:04:47,970 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:04:47,970 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:04:47,970 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:04:47,970 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:04:47,970 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:04:47,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:04:47,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:04:47,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:04:47,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:04:47,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:04:47,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:04:47,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:04:47,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:04:47,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:04:47,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:04:47,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:04:47,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:04:47,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:04:47,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:04:47,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:04:47,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:04:47,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:04:47,974 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:04:47,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:04:47,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:04:47,975 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:04:47,977 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:04:47,977 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 -> eb6e4ceec74f15825c9a118863d143932b257258 [2019-11-19 20:04:48,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:04:48,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:04:48,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:04:48,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:04:48,324 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:04:48,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2019-11-19 20:04:48,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d1e6de93/60ebb06fd4ca4d128abec5f12e2d9ae2/FLAG1d6ae334d [2019-11-19 20:04:48,923 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:04:48,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2019-11-19 20:04:48,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d1e6de93/60ebb06fd4ca4d128abec5f12e2d9ae2/FLAG1d6ae334d [2019-11-19 20:04:49,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d1e6de93/60ebb06fd4ca4d128abec5f12e2d9ae2 [2019-11-19 20:04:49,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:04:49,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:04:49,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:04:49,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:04:49,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:04:49,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f556828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49, skipping insertion in model container [2019-11-19 20:04:49,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:04:49,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:04:49,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:04:49,689 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:04:49,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:04:49,840 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:04:49,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49 WrapperNode [2019-11-19 20:04:49,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:04:49,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:04:49,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:04:49,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:04:49,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:04:49,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:04:49,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:04:49,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:04:49,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:04:49,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:04:49,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:04:49,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:04:49,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (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 [2019-11-19 20:04:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:04:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:04:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:04:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:04:50,758 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:04:50,758 INFO L285 CfgBuilder]: Removed 86 assume(true) statements. [2019-11-19 20:04:50,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:50 BoogieIcfgContainer [2019-11-19 20:04:50,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:04:50,760 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:04:50,761 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:04:50,764 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:04:50,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:50,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:04:49" (1/3) ... [2019-11-19 20:04:50,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43ee15f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:50, skipping insertion in model container [2019-11-19 20:04:50,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:50,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (2/3) ... [2019-11-19 20:04:50,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43ee15f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:50, skipping insertion in model container [2019-11-19 20:04:50,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:50,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:50" (3/3) ... [2019-11-19 20:04:50,769 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2019-11-19 20:04:50,828 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:04:50,829 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:04:50,829 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:04:50,830 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:04:50,830 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:04:50,831 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:04:50,831 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:04:50,831 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:04:50,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-11-19 20:04:50,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-19 20:04:50,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:50,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:50,892 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:50,892 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:50,892 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:04:50,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states. [2019-11-19 20:04:50,897 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-19 20:04:50,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:50,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:50,898 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:50,899 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:50,905 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 59#L883true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 66#L891true main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 42#L838true assume 0 != main_~tmp~5; 7#L811true ~switchedOnBeforeTS~0 := 0; 51#L49true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L70-1true [2019-11-19 20:04:50,906 INFO L796 eck$LassoCheckResult]: Loop: 19#L70-1true assume !false; 15#L109true assume test_~splverifierCounter~0 < 4; 46#L110true test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 60#L118true assume !(0 != test_~tmp~1); 58#L118-1true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 37#L128true assume !(0 != test_~tmp___0~1); 33#L128-1true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 11#L138true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 3#L146-1true havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 27#L242true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 21#L59true assume !(0 != ~pumpRunning~0); 40#L183true assume 0 != ~systemActive~0; 8#L190true havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 53#L747true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 23#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 19#L70-1true [2019-11-19 20:04:50,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:50,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-19 20:04:50,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:50,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289024505] [2019-11-19 20:04:50,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:51,619 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:51,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:51,620 INFO L82 PathProgramCache]: Analyzing trace with hash 674243929, now seen corresponding path program 1 times [2019-11-19 20:04:51,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:51,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756983499] [2019-11-19 20:04:51,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:51,660 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:51,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:51,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1686698157, now seen corresponding path program 1 times [2019-11-19 20:04:51,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:51,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680850849] [2019-11-19 20:04:51,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:04:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:04:51,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680850849] [2019-11-19 20:04:51,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:04:51,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:04:51,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254502973] [2019-11-19 20:04:52,016 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-19 20:04:52,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:04:52,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:04:52,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:04:52,095 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 5 states. [2019-11-19 20:04:52,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:04:52,316 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2019-11-19 20:04:52,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 20:04:52,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2019-11-19 20:04:52,327 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-11-19 20:04:52,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2019-11-19 20:04:52,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2019-11-19 20:04:52,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2019-11-19 20:04:52,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2019-11-19 20:04:52,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:04:52,339 INFO L688 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2019-11-19 20:04:52,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2019-11-19 20:04:52,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2019-11-19 20:04:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-19 20:04:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2019-11-19 20:04:52,380 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-11-19 20:04:52,380 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2019-11-19 20:04:52,380 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:04:52,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2019-11-19 20:04:52,382 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2019-11-19 20:04:52,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:52,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:52,384 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:52,384 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:52,384 INFO L794 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~cleanupTimeShifts~0 := 4; 268#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 269#L883 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 322#L891 main_#t~ret69 := valid_product_#res;main_~tmp~5 := main_#t~ret69;havoc main_#t~ret69; 307#L838 assume 0 != main_~tmp~5; 262#L811 ~switchedOnBeforeTS~0 := 0; 263#L49 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 283#L70-1 [2019-11-19 20:04:52,385 INFO L796 eck$LassoCheckResult]: Loop: 283#L70-1 assume !false; 275#L109 assume test_~splverifierCounter~0 < 4; 276#L110 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 310#L118 assume !(0 != test_~tmp~1); 320#L118-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 321#L128 assume !(0 != test_~tmp___0~1); 359#L128-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 356#L138 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 351#L146-1 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 350#L242 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 349#L59 assume !(0 != ~pumpRunning~0); 348#L183 assume 0 != ~systemActive~0; 347#L190 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 346#L747 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 288#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 289#L242-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 293#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 283#L70-1 [2019-11-19 20:04:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:52,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-19 20:04:52,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:52,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430636194] [2019-11-19 20:04:52,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,591 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:52,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:52,592 INFO L82 PathProgramCache]: Analyzing trace with hash -591660588, now seen corresponding path program 1 times [2019-11-19 20:04:52,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:52,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069293695] [2019-11-19 20:04:52,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,606 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:52,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:52,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1714272946, now seen corresponding path program 1 times [2019-11-19 20:04:52,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:52,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967772006] [2019-11-19 20:04:52,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,794 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:52,923 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-11-19 20:05:20,520 WARN L191 SmtUtils]: Spent 27.54 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-11-19 20:05:33,650 WARN L191 SmtUtils]: Spent 13.12 s on a formula simplification that was a NOOP. DAG size: 451 [2019-11-19 20:05:33,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:05:33 BoogieIcfgContainer [2019-11-19 20:05:33,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:05:33,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:05:33,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:05:33,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:05:33,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:50" (3/4) ... [2019-11-19 20:05:33,739 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 20:05:33,800 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:05:33,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:05:33,802 INFO L168 Benchmark]: Toolchain (without parser) took 44610.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.1 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -45.2 MB). Peak memory consumption was 280.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,802 INFO L168 Benchmark]: CDTParser took 0.18 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. [2019-11-19 20:05:33,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.56 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,805 INFO L168 Benchmark]: Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,805 INFO L168 Benchmark]: RCFGBuilder took 806.16 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: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,806 INFO L168 Benchmark]: BuchiAutomizer took 42973.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.9 MB). Peak memory consumption was 419.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,807 INFO L168 Benchmark]: Witness Printer took 66.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:33,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 648.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.56 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 806.16 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: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42973.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.9 MB). Peak memory consumption was 419.6 MB. Max. memory is 11.5 GB. * Witness Printer took 66.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.4s. 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, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 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: 108]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=13543} State at position 1 is {NULL=-12, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-9, NULL=0, NULL=13543, NULL=-18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2966fe26=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7775e259=61, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72be37e4=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71d9fc80=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=5766, NULL=-7, NULL=-21, methaneLevelCritical=0, NULL=0, NULL=0, NULL=13542, tmp___1=0, tmp=1, NULL=-3, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, NULL=-13, NULL=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2600224=0, \result=0, NULL=-8, NULL=-4, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=-19, NULL=-17, NULL=0, NULL=0, NULL=-1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74e547ff=0, NULL=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=-2, NULL=-23, NULL=0, NULL=-5, NULL=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, retValue_acc=1, tmp___2=61, tmp___0=0, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17130700=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71d58979=0, NULL=-15, head=0, retValue_acc=0, NULL=-20, NULL=-11, NULL=0, NULL=0, NULL=-14, NULL=-16, NULL=-6, NULL=-22} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int switchedOnBeforeTS ; [L173] int pumpRunning = 0; [L174] int systemActive = 1; [L475] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L752] int cleanupTimeShifts = 4; [L829] int retValue_acc ; [L830] int tmp ; [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); [L836] tmp = valid_product() [L838] COND TRUE \read(tmp) [L48] switchedOnBeforeTS = 0 [L99] int splverifierCounter ; [L100] int tmp ; [L101] int tmp___0 ; [L102] int tmp___1 ; [L103] int tmp___2 ; [L106] splverifierCounter = 0 Loop: [L108] COND TRUE 1 [L110] COND TRUE splverifierCounter < 4 [L116] tmp = __VERIFIER_nondet_int() [L118] COND FALSE !(\read(tmp)) [L126] tmp___0 = __VERIFIER_nondet_int() [L128] COND FALSE !(\read(tmp___0)) [L136] tmp___2 = __VERIFIER_nondet_int() [L138] COND TRUE \read(tmp___2) [L301] systemActive = 1 [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); [L57] switchedOnBeforeTS = isPumpRunning() [L183] COND FALSE !(\read(pumpRunning)) [L190] COND TRUE \read(systemActive) [L63] int tmp ; [L64] int tmp___0 ; [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] return (retValue_acc); [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); [L72] tmp___0 = isPumpRunning() [L74] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...