./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_product24.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 17a573274f1db5e4aeb22956c61c459b952d0c5d .............................................................................................................................................................................................................................................................................................................................................................. 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 20:58:14,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:58:14,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:58:14,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:58:14,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:58:14,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:58:14,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:58:14,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:58:14,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:58:14,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:58:14,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:58:14,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:58:14,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:58:14,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:58:14,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:58:14,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:58:14,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:58:14,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:58:14,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:58:14,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:58:14,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:58:14,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:58:14,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:58:14,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:58:14,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:58:14,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:58:14,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:58:14,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:58:14,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:58:14,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:58:14,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:58:14,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:58:14,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:58:14,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:58:14,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:58:14,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:58:14,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:58:14,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:58:14,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:58:14,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:58:14,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:58:14,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:58:14,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:58:14,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:58:14,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:58:14,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:58:14,123 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:58:14,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:58:14,124 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:58:14,124 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:58:14,125 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:58:14,125 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:58:14,125 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:58:14,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:58:14,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:58:14,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:58:14,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:58:14,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:58:14,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:58:14,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:58:14,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:58:14,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:58:14,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:58:14,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:58:14,129 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:58:14,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:58:14,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:58:14,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:58:14,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:58:14,131 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:58:14,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:58:14,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:58:14,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:58:14,133 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:58:14,134 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:58:14,134 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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2019-11-28 20:58:14,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:58:14,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:58:14,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:58:14,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:58:14,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:58:14,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2019-11-28 20:58:14,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9349a48/7b0996deccd44865bef466d3c18b8604/FLAGb77bec224 [2019-11-28 20:58:15,078 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:58:15,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2019-11-28 20:58:15,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9349a48/7b0996deccd44865bef466d3c18b8604/FLAGb77bec224 [2019-11-28 20:58:15,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad9349a48/7b0996deccd44865bef466d3c18b8604 [2019-11-28 20:58:15,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:58:15,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:58:15,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:58:15,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:58:15,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:58:15,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:58:15" (1/1) ... [2019-11-28 20:58:15,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309df8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:15, skipping insertion in model container [2019-11-28 20:58:15,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:58:15" (1/1) ... [2019-11-28 20:58:15,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:58:15,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:58:15,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:58:15,911 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:58:15,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:58:16,031 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:58:16,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16 WrapperNode [2019-11-28 20:58:16,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:58:16,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:58:16,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:58:16,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:58:16,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:58:16,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:58:16,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:58:16,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:58:16,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (1/1) ... [2019-11-28 20:58:16,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:58:16,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:58:16,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:58:16,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:58:16,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (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 20:58:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:58:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:58:16,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:58:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:58:17,041 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:58:17,041 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 20:58:17,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:17 BoogieIcfgContainer [2019-11-28 20:58:17,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:58:17,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:58:17,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:58:17,048 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:58:17,049 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:17,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:58:15" (1/3) ... [2019-11-28 20:58:17,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61d0d883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:58:17, skipping insertion in model container [2019-11-28 20:58:17,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:17,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:16" (2/3) ... [2019-11-28 20:58:17,052 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61d0d883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:58:17, skipping insertion in model container [2019-11-28 20:58:17,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:17,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:17" (3/3) ... [2019-11-28 20:58:17,054 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2019-11-28 20:58:17,103 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:58:17,104 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:58:17,104 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:58:17,104 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:58:17,104 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:58:17,105 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:58:17,105 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:58:17,105 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:58:17,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 20:58:17,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 20:58:17,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:17,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:17,168 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:17,168 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:17,168 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:58:17,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 20:58:17,176 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 20:58:17,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:17,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:17,177 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:17,178 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:17,184 INFO L794 eck$LassoCheckResult]: Stem: 89#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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);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(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 11#L-1true havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5; 30#L937true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 38#L945true main_#t~ret51 := valid_product_#res;main_~tmp~5 := main_#t~ret51;havoc main_#t~ret51; 18#L698true assume 0 != main_~tmp~5; 60#L672true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; 88#L512-1true [2019-11-28 20:58:17,185 INFO L796 eck$LassoCheckResult]: Loop: 88#L512-1true assume !false; 48#L554true assume test_~splverifierCounter~0 < 4; 10#L555true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 12#L563true assume !(0 != test_~tmp~4); 13#L563-1true test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 53#L573true assume !(0 != test_~tmp___0~1); 54#L573-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 97#L583true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 99#L591-1true assume !(0 != ~pumpRunning~0); 90#L721true assume !(0 != ~systemActive~0); 24#L728true havoc __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_#t~ret46, __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; 102#L456-1true __utac_acc__Specification1_spec__1_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret45;havoc __utac_acc__Specification1_spec__1_#t~ret45; 83#L512true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 88#L512-1true [2019-11-28 20:58:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:17,193 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 20:58:17,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:17,203 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18170730] [2019-11-28 20:58:17,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:17,645 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:17,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:17,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2019-11-28 20:58:17,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:17,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272969947] [2019-11-28 20:58:17,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:58:17,720 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 20:58:17,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272969947] [2019-11-28 20:58:17,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:58:17,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:58:17,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534003974] [2019-11-28 20:58:17,732 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:58:17,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:58:17,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:58:17,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:58:17,753 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2019-11-28 20:58:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:58:17,859 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2019-11-28 20:58:17,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:58:17,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2019-11-28 20:58:17,869 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2019-11-28 20:58:17,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2019-11-28 20:58:17,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-11-28 20:58:17,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-11-28 20:58:17,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2019-11-28 20:58:17,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:58:17,881 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2019-11-28 20:58:17,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2019-11-28 20:58:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2019-11-28 20:58:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-11-28 20:58:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2019-11-28 20:58:17,927 INFO L711 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-28 20:58:17,928 INFO L591 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2019-11-28 20:58:17,928 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:58:17,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2019-11-28 20:58:17,931 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2019-11-28 20:58:17,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:17,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:17,932 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:17,933 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:17,933 INFO L794 eck$LassoCheckResult]: Stem: 426#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~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);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(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 330#L-1 havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5; 331#L937 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 359#L945 main_#t~ret51 := valid_product_#res;main_~tmp~5 := main_#t~ret51;havoc main_#t~ret51; 342#L698 assume 0 != main_~tmp~5; 343#L672 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; 401#L512-1 [2019-11-28 20:58:17,933 INFO L796 eck$LassoCheckResult]: Loop: 401#L512-1 assume !false; 465#L554 assume test_~splverifierCounter~0 < 4; 466#L555 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 497#L563 assume !(0 != test_~tmp~4); 495#L563-1 test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 494#L573 assume !(0 != test_~tmp___0~1); 492#L573-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 491#L583 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 432#L591-1 assume !(0 != ~pumpRunning~0); 488#L721 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 487#L779 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret52, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 472#L753-1 assume !(0 != ~pumpRunning~0); 471#L728 havoc __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_#t~ret46, __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; 470#L456-1 __utac_acc__Specification1_spec__1_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret45;havoc __utac_acc__Specification1_spec__1_#t~ret45; 468#L512 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 401#L512-1 [2019-11-28 20:58:17,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:17,934 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 20:58:17,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:17,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348064582] [2019-11-28 20:58:17,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:18,031 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:18,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:18,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2019-11-28 20:58:18,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:18,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204014624] [2019-11-28 20:58:18,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:18,046 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:18,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2019-11-28 20:58:18,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:18,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564818077] [2019-11-28 20:58:18,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:18,215 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:18,328 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-28 20:58:47,846 WARN L192 SmtUtils]: Spent 29.47 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 20:59:02,718 WARN L192 SmtUtils]: Spent 14.87 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 20:59:02,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:59:02 BoogieIcfgContainer [2019-11-28 20:59:02,824 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:59:02,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:59:02,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:59:02,825 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:59:02,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:17" (3/4) ... [2019-11-28 20:59:02,831 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:59:02,897 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:59:02,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:59:02,899 INFO L168 Benchmark]: Toolchain (without parser) took 47463.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -281.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:02,900 INFO L168 Benchmark]: CDTParser took 0.20 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 20:59:02,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:02,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:02,904 INFO L168 Benchmark]: Boogie Preprocessor took 53.43 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 20:59:02,906 INFO L168 Benchmark]: RCFGBuilder took 856.16 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:02,907 INFO L168 Benchmark]: BuchiAutomizer took 45780.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -170.9 MB). Peak memory consumption was 364.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:02,909 INFO L168 Benchmark]: Witness Printer took 72.44 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:59:02,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 595.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.44 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.43 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 856.16 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45780.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -170.9 MB). Peak memory consumption was 364.0 MB. Max. memory is 11.5 GB. * Witness Printer took 72.44 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 45.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 45.4s. 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: 553]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a4e2de8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28ecb6cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@168bd936=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f469b61=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47a16e5c=0, NULL=0, NULL=13808, NULL=0, NULL=10365, NULL=9594, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54b46b15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f85404d=0, retValue_acc=1, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5770579e=0, NULL=13809, tmp=0, tmp___1=0, NULL=9589, NULL=9591, NULL=9588, tmp___0=0, NULL=13813, NULL=9593, cleanupTimeShifts=4, NULL=17, NULL=13807, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=9595, retValue_acc=0, NULL=9592, NULL=13805, NULL=0, NULL=0, \result=1, NULL=13812, head=0, pumpRunning=0, \result=0, NULL=12, NULL=0, NULL=0, NULL=6, NULL=0, tmp=0, tmp=1, NULL=0, NULL=16, tmp___2=55, NULL=13815, tmp___0=0, splverifierCounter=0, \result=0, NULL=13806, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1806961e=0, head=0, NULL=0, NULL=9590, NULL=10364, NULL=0, NULL=10363, tmp=0, NULL=0, NULL=0, NULL=13810, NULL=13814} - 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; [L612] int cleanupTimeShifts = 4; [L714] int pumpRunning = 0; [L715] int systemActive = 1; [L689] int retValue_acc ; [L690] int tmp ; [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); [L696] tmp = valid_product() [L698] COND TRUE \read(tmp) [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 Loop: [L553] COND TRUE 1 [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND TRUE \read(tmp___2) [L910] systemActive = 1 [L721] COND FALSE !(\read(pumpRunning)) [L728] COND TRUE \read(systemActive) [L776] int tmp ; [L779] COND FALSE !(\read(pumpRunning)) [L750] int tmp ; [L753] COND FALSE !(\read(pumpRunning)) [L505] int tmp ; [L506] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L510] tmp = isMethaneLevelCritical() [L512] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...