./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product10.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 1c01eb0b5d4882b25b2cd231430133c4569ce38c ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:32:28,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:32:28,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:32:28,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:32:28,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:32:28,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:32:28,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:32:28,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:32:28,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:32:28,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:32:28,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:32:28,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:32:28,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:32:28,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:32:28,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:32:28,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:32:28,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:32:28,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:32:28,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:32:28,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:32:28,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:32:28,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:32:28,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:32:28,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:32:28,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:32:28,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:32:28,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:32:28,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:32:28,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:32:28,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:32:28,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:32:28,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:32:28,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:32:28,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:32:28,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:32:28,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:32:28,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:32:28,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:32:28,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:32:28,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:32:28,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:32:28,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:32:28,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:32:28,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:32:28,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:32:28,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:32:28,144 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:32:28,144 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:32:28,146 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:32:28,146 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:32:28,146 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:32:28,147 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:32:28,149 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:32:28,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:32:28,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:32:28,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:32:28,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:32:28,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:32:28,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:32:28,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:32:28,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:32:28,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:32:28,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:32:28,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:32:28,152 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:32:28,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:32:28,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:32:28,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:32:28,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:32:28,154 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:32:28,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:32:28,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:32:28,155 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:32:28,157 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:32:28,157 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 -> 1c01eb0b5d4882b25b2cd231430133c4569ce38c [2019-11-28 03:32:28,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:32:28,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:32:28,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:32:28,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:32:28,472 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:32:28,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2019-11-28 03:32:28,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a691070/36684e0b37874d36942a8bf09ba4d853/FLAGa7c92747d [2019-11-28 03:32:29,083 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:32:29,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2019-11-28 03:32:29,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a691070/36684e0b37874d36942a8bf09ba4d853/FLAGa7c92747d [2019-11-28 03:32:29,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a691070/36684e0b37874d36942a8bf09ba4d853 [2019-11-28 03:32:29,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:32:29,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:32:29,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:32:29,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:32:29,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:32:29,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:29" (1/1) ... [2019-11-28 03:32:29,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:29, skipping insertion in model container [2019-11-28 03:32:29,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:29" (1/1) ... [2019-11-28 03:32:29,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:32:29,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:32:29,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:32:29,891 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:32:29,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:32:30,016 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:32:30,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30 WrapperNode [2019-11-28 03:32:30,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:32:30,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:32:30,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:32:30,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:32:30,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:32:30,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:32:30,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:32:30,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:32:30,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... [2019-11-28 03:32:30,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:32:30,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:32:30,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:32:30,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:32:30,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:32:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:32:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:32:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:32:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:32:30,959 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:32:30,959 INFO L297 CfgBuilder]: Removed 74 assume(true) statements. [2019-11-28 03:32:30,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:30 BoogieIcfgContainer [2019-11-28 03:32:30,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:32:30,962 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:32:30,962 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:32:30,965 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:32:30,966 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:30,967 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:32:29" (1/3) ... [2019-11-28 03:32:30,968 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b82be6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:32:30, skipping insertion in model container [2019-11-28 03:32:30,968 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:30,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:30" (2/3) ... [2019-11-28 03:32:30,969 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b82be6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:32:30, skipping insertion in model container [2019-11-28 03:32:30,969 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:30,969 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:30" (3/3) ... [2019-11-28 03:32:30,971 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2019-11-28 03:32:31,029 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:32:31,029 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:32:31,029 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:32:31,029 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:32:31,030 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:32:31,030 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:32:31,030 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:32:31,030 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:32:31,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-28 03:32:31,068 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-28 03:32:31,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:31,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:31,076 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:31,077 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:31,077 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:32:31,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-28 03:32:31,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-28 03:32:31,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:31,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:31,083 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:31,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:31,088 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 15#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 18#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 13#L73true main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 24#L863true assume 0 != main_~tmp~6; 54#L840true havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L762-1true [2019-11-28 03:32:31,089 INFO L796 eck$LassoCheckResult]: Loop: 28#L762-1true assume !false; 25#L553true assume test_~splverifierCounter~0 < 4; 49#L554true test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 55#L562true assume !(0 != test_~tmp~3); 60#L562-1true test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 40#L572true assume !(0 != test_~tmp___0~0); 42#L572-1true test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 27#L582true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 32#L590-2true assume !(0 != ~pumpRunning~0); 7#L621true assume 0 != ~systemActive~0; 50#L628true havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 16#L127true __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; 51#L756true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 28#L762-1true [2019-11-28 03:32:31,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:31,096 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:32:31,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:31,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552894436] [2019-11-28 03:32:31,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:31,530 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:31,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:31,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619239, now seen corresponding path program 1 times [2019-11-28 03:32:31,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:31,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113485771] [2019-11-28 03:32:31,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:31,568 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:31,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash 32659699, now seen corresponding path program 1 times [2019-11-28 03:32:31,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:31,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504417894] [2019-11-28 03:32:31,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:32:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:32:31,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504417894] [2019-11-28 03:32:31,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:32:31,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:32:31,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349609835] [2019-11-28 03:32:31,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:32:31,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:32:31,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:32:31,873 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 5 states. [2019-11-28 03:32:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:32:32,097 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2019-11-28 03:32:32,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 03:32:32,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2019-11-28 03:32:32,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-11-28 03:32:32,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2019-11-28 03:32:32,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2019-11-28 03:32:32,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-11-28 03:32:32,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2019-11-28 03:32:32,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:32:32,125 INFO L688 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2019-11-28 03:32:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2019-11-28 03:32:32,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2019-11-28 03:32:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-28 03:32:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2019-11-28 03:32:32,167 INFO L711 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-28 03:32:32,168 INFO L591 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-28 03:32:32,168 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:32:32,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2019-11-28 03:32:32,170 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2019-11-28 03:32:32,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:32,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:32,172 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:32,172 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:32,172 INFO L794 eck$LassoCheckResult]: Stem: 296#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 284#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 285#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 280#L73 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 281#L863 assume 0 != main_~tmp~6; 293#L840 havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 329#L762-1 [2019-11-28 03:32:32,173 INFO L796 eck$LassoCheckResult]: Loop: 329#L762-1 assume !false; 351#L553 assume test_~splverifierCounter~0 < 4; 352#L554 test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; 365#L562 assume !(0 != test_~tmp~3); 363#L562-1 test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; 362#L572 assume !(0 != test_~tmp___0~0); 361#L572-1 test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; 360#L582 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 357#L590-2 assume !(0 != ~pumpRunning~0); 356#L621 assume 0 != ~systemActive~0; 355#L628 havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 286#L127 __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; 287#L756 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 325#L159 __utac_acc__Specification3_spec__1_#t~ret69 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 326#L762 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 329#L762-1 [2019-11-28 03:32:32,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:32,174 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:32:32,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:32,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884737911] [2019-11-28 03:32:32,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:32,307 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:32,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:32,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1128380277, now seen corresponding path program 1 times [2019-11-28 03:32:32,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:32,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943636529] [2019-11-28 03:32:32,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:32,328 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:32,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:32,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1321204773, now seen corresponding path program 1 times [2019-11-28 03:32:32,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:32,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859704899] [2019-11-28 03:32:32,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:32,462 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:32,572 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-28 03:32:59,369 WARN L192 SmtUtils]: Spent 26.74 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:33:13,907 WARN L192 SmtUtils]: Spent 14.53 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:33:13,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:33:13 BoogieIcfgContainer [2019-11-28 03:33:13,980 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:33:13,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:33:13,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:33:13,981 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:33:13,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:30" (3/4) ... [2019-11-28 03:33:13,985 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:33:14,054 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:33:14,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:33:14,056 INFO L168 Benchmark]: Toolchain (without parser) took 44681.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 301.5 MB). Free memory was 961.7 MB in the beginning and 1.3 GB in the end (delta: -303.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:33:14,057 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:33:14,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:14,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:14,059 INFO L168 Benchmark]: Boogie Preprocessor took 59.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:33:14,059 INFO L168 Benchmark]: RCFGBuilder took 814.16 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:14,060 INFO L168 Benchmark]: BuchiAutomizer took 43018.96 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 1.3 GB in the end (delta: -208.1 MB). Peak memory consumption was 389.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:14,061 INFO L168 Benchmark]: Witness Printer took 73.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:14,064 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 641.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.06 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 814.16 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43018.96 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 1.3 GB in the end (delta: -208.1 MB). Peak memory consumption was 389.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.88 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 552]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=560} State at position 1 is {NULL=0, NULL=566, NULL=571, NULL=0, NULL=560, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aee9c56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30521af0=61, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@450c076a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d41fceb=0, NULL=0, NULL=584, NULL=581, NULL=0, NULL=0, retValue_acc=0, methaneLevelCritical=0, NULL=565, tmp=0, NULL=0, NULL=577, NULL=563, NULL=0, NULL=583, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21ac7022=0, tmp___1=0, NULL=568, NULL=0, NULL=0, NULL=0, NULL=0, NULL=564, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14aa34db=0, cleanupTimeShifts=4, NULL=578, NULL=562, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b27fc56=0, NULL=579, tmp=0, NULL=585, tmp___0=1, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=573, \result=1, head=0, pumpRunning=0, NULL=561, \result=0, NULL=0, NULL=0, tmp=1, NULL=574, NULL=582, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@537501c4=0, retValue_acc=1, tmp___2=61, NULL=569, splverifierCounter=0, NULL=0, \result=0, NULL=570, NULL=575, tmp___1=0, head=0, NULL=576, NULL=0, NULL=0, NULL=580, NULL=567, NULL=572} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; [L854] int retValue_acc ; [L855] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 Loop: [L552] COND TRUE 1 [L554] COND TRUE splverifierCounter < 4 [L560] tmp = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp)) [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 [L621] COND FALSE !(\read(pumpRunning)) [L628] COND TRUE \read(systemActive) [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L760] tmp___0 = getWaterLevel() [L762] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...