./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product32.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 b06e5398ffe5c8f069a10044eb2db1dcb4413f82 ............................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-11-28 20:58:48,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:58:48,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:58:48,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:58:48,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:58:48,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:58:48,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:58:48,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:58:48,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:58:48,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:58:48,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:58:48,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:58:48,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:58:48,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:58:48,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:58:48,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:58:48,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:58:48,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:58:48,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:58:48,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:58:48,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:58:48,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:58:48,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:58:48,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:58:48,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:58:48,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:58:48,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:58:48,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:58:48,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:58:48,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:58:48,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:58:48,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:58:48,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:58:48,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:58:48,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:58:48,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:58:48,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:58:48,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:58:48,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:58:48,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:58:48,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:58:48,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:58:48,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:58:48,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:58:48,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:58:48,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:58:48,924 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:58:48,924 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:58:48,924 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:58:48,925 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:58:48,925 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:58:48,925 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:58:48,926 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:58:48,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:58:48,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:58:48,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:58:48,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:58:48,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:58:48,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:58:48,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:58:48,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:58:48,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:58:48,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:58:48,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:58:48,930 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:58:48,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:58:48,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:58:48,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:58:48,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:58:48,931 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:58:48,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:58:48,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:58:48,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:58:48,933 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:58:48,935 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:58:48,935 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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-11-28 20:58:49,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:58:49,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:58:49,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:58:49,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:58:49,269 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:58:49,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-28 20:58:49,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/881edcbd7/5f338950306546bc9a0c92d34e155f3e/FLAGffbb61f4f [2019-11-28 20:58:49,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:58:49,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-28 20:58:49,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/881edcbd7/5f338950306546bc9a0c92d34e155f3e/FLAGffbb61f4f [2019-11-28 20:58:50,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/881edcbd7/5f338950306546bc9a0c92d34e155f3e [2019-11-28 20:58:50,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:58:50,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:58:50,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:58:50,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:58:50,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:58:50,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ebb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50, skipping insertion in model container [2019-11-28 20:58:50,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:58:50,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:58:50,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:58:50,704 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:58:50,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:58:50,839 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:58:50,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50 WrapperNode [2019-11-28 20:58:50,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:58:50,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:58:50,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:58:50,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:58:50,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:58:50,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:58:50,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:58:50,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:58:50,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:58:50,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:58:50,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:58:50,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:58:50,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (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 20:58:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:58:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:58:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:58:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:58:51,838 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:58:51,839 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 20:58:51,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:51 BoogieIcfgContainer [2019-11-28 20:58:51,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:58:51,842 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:58:51,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:58:51,846 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:58:51,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:51,848 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:58:50" (1/3) ... [2019-11-28 20:58:51,850 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@661471b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:58:51, skipping insertion in model container [2019-11-28 20:58:51,850 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:51,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (2/3) ... [2019-11-28 20:58:51,851 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@661471b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:58:51, skipping insertion in model container [2019-11-28 20:58:51,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:51,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:51" (3/3) ... [2019-11-28 20:58:51,855 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2019-11-28 20:58:51,911 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:58:51,911 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:58:51,912 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:58:51,912 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:58:51,912 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:58:51,912 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:58:51,912 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:58:51,912 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:58:51,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 20:58:51,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 20:58:51,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:51,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:51,968 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,968 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,968 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:58:51,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 20:58:51,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 20:58:51,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:51,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:51,977 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,982 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,988 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #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(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 17#L-1true havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 30#L527true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 32#L535true main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 36#L953true assume 0 != main_~tmp~9; 82#L930true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L550-1true [2019-11-28 20:58:51,989 INFO L796 eck$LassoCheckResult]: Loop: 94#L550-1true assume !false; 91#L583true assume test_~splverifierCounter~0 < 4; 44#L584true test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 60#L592true assume !(0 != test_~tmp~4); 62#L592-1true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 106#L602true assume !(0 != test_~tmp___0~1); 97#L602-1true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 31#L612true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 40#L620-1true assume !(0 != ~pumpRunning~0); 27#L651true assume !(0 != ~systemActive~0); 55#L658true havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 103#L456-1true __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 93#L550true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 94#L550-1true [2019-11-28 20:58:51,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:51,996 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 20:58:52,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125120713] [2019-11-28 20:58:52,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:52,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2019-11-28 20:58:52,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418261991] [2019-11-28 20:58:52,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:58:52,543 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 20:58:52,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418261991] [2019-11-28 20:58:52,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:58:52,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:58:52,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163392844] [2019-11-28 20:58:52,551 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:58:52,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:58:52,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:58:52,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:58:52,568 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2019-11-28 20:58:52,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:58:52,672 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2019-11-28 20:58:52,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:58:52,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2019-11-28 20:58:52,683 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2019-11-28 20:58:52,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2019-11-28 20:58:52,692 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-11-28 20:58:52,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-11-28 20:58:52,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2019-11-28 20:58:52,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:58:52,696 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2019-11-28 20:58:52,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2019-11-28 20:58:52,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2019-11-28 20:58:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-28 20:58:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2019-11-28 20:58:52,741 INFO L711 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-28 20:58:52,741 INFO L591 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-28 20:58:52,742 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:58:52,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2019-11-28 20:58:52,749 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2019-11-28 20:58:52,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:52,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:52,752 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:52,752 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:52,752 INFO L794 eck$LassoCheckResult]: Stem: 406#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #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(110, #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(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 337#L-1 havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 338#L527 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 358#L535 main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 362#L953 assume 0 != main_~tmp~9; 368#L930 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 413#L550-1 [2019-11-28 20:58:52,753 INFO L796 eck$LassoCheckResult]: Loop: 413#L550-1 assume !false; 463#L583 assume test_~splverifierCounter~0 < 4; 374#L584 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 375#L592 assume !(0 != test_~tmp~4); 352#L592-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 391#L602 assume !(0 != test_~tmp___0~1); 408#L602-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 359#L612 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 360#L620-1 assume !(0 != ~pumpRunning~0); 354#L651 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 346#L709 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret52, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 348#L683-1 assume !(0 != ~pumpRunning~0); 321#L658 havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 386#L456-1 __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; 431#L550 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 413#L550-1 [2019-11-28 20:58:52,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,753 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 20:58:52,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714929569] [2019-11-28 20:58:52,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,886 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:52,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2019-11-28 20:58:52,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265530510] [2019-11-28 20:58:52,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,914 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:52,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2019-11-28 20:58:52,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368362989] [2019-11-28 20:58:52,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:53,057 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:59:17,738 WARN L192 SmtUtils]: Spent 24.52 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 20:59:32,130 WARN L192 SmtUtils]: Spent 14.39 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 20:59:32,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:59:32 BoogieIcfgContainer [2019-11-28 20:59:32,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:59:32,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:59:32,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:59:32,234 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:59:32,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:51" (3/4) ... [2019-11-28 20:59:32,238 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:59:32,312 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:59:32,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:59:32,314 INFO L168 Benchmark]: Toolchain (without parser) took 42057.08 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -342.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:59:32,315 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:59:32,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:32,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.55 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:32,318 INFO L168 Benchmark]: Boogie Preprocessor took 64.00 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 20:59:32,326 INFO L168 Benchmark]: RCFGBuilder took 857.89 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: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:32,332 INFO L168 Benchmark]: BuchiAutomizer took 40390.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -245.0 MB). Peak memory consumption was 378.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:32,333 INFO L168 Benchmark]: Witness Printer took 80.01 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:59:32,335 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.55 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.00 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 857.89 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: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40390.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -245.0 MB). Peak memory consumption was 378.7 MB. Max. memory is 11.5 GB. * Witness Printer took 80.01 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.9s. 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 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 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: 582]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9506} State at position 1 is {NULL=0, NULL=0, NULL=9506, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58a97153=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f64bc4f=0, NULL=9523, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d54fe=0, NULL=0, NULL=0, NULL=9527, NULL=9521, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e37cf61=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64fe8573=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7290f804=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ca0a6d8=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=9519, NULL=9517, NULL=9509, tmp___0=0, NULL=9513, NULL=9511, cleanupTimeShifts=4, NULL=9528, NULL=9510, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=9525, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=9518, NULL=0, retValue_acc=0, \result=1, NULL=9514, head=0, pumpRunning=0, NULL=9520, \result=0, NULL=9522, NULL=0, NULL=0, tmp=0, NULL=0, NULL=9530, NULL=9531, retValue_acc=1, NULL=9524, NULL=0, tmp___2=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b7694c=0, NULL=9507, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46ce3711=0, NULL=0, \result=0, NULL=9532, head=0, NULL=0, NULL=9512, tmp=1, tmp=0, NULL=9508, NULL=0, NULL=9516, NULL=0, NULL=0, NULL=9515, NULL=9526, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L644] int pumpRunning = 0; [L645] int systemActive = 1; [L871] int cleanupTimeShifts = 4; [L944] int retValue_acc ; [L945] int tmp ; [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); [L951] tmp = valid_product() [L953] COND TRUE \read(tmp) [L573] int splverifierCounter ; [L574] int tmp ; [L575] int tmp___0 ; [L576] int tmp___1 ; [L577] int tmp___2 ; [L580] splverifierCounter = 0 Loop: [L582] COND TRUE 1 [L584] COND TRUE splverifierCounter < 4 [L590] tmp = __VERIFIER_nondet_int() [L592] COND FALSE !(\read(tmp)) [L600] tmp___0 = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp___0)) [L610] tmp___2 = __VERIFIER_nondet_int() [L612] COND TRUE \read(tmp___2) [L857] systemActive = 1 [L651] COND FALSE !(\read(pumpRunning)) [L658] COND TRUE \read(systemActive) [L706] int tmp ; [L709] COND FALSE !(\read(pumpRunning)) [L680] int tmp ; [L683] COND FALSE !(\read(pumpRunning)) [L543] int tmp ; [L544] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...