./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product25.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_spec3_product25.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 87372a1a98819a475f7685500d732b7a3f8e7449 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:05:50,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:05:50,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:05:50,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:05:50,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:05:50,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:05:50,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:05:50,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:05:50,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:05:50,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:05:50,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:05:50,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:05:50,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:05:50,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:05:50,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:05:50,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:05:50,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:05:50,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:05:50,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:05:50,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:05:50,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:05:50,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:05:50,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:05:50,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:05:50,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:05:50,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:05:50,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:05:50,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:05:50,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:05:50,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:05:50,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:05:50,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:05:50,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:05:50,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:05:50,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:05:50,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:05:50,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:05:50,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:05:50,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:05:50,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:05:50,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:05:50,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:05:50,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:05:50,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:05:50,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:05:50,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:05:50,173 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:05:50,174 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:05:50,174 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:05:50,174 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:05:50,174 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:05:50,175 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:05:50,175 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:05:50,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:05:50,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:05:50,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:05:50,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:05:50,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:05:50,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:05:50,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:05:50,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:05:50,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:05:50,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:05:50,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:05:50,178 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:05:50,178 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:05:50,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:05:50,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:05:50,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:05:50,180 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:05:50,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:05:50,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:05:50,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:05:50,181 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:05:50,182 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:05:50,182 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 -> 87372a1a98819a475f7685500d732b7a3f8e7449 [2019-11-28 21:05:50,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:05:50,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:05:50,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:05:50,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:05:50,522 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:05:50,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2019-11-28 21:05:50,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ca1ce4f/bc2f22457ff74bfabb81ca6b892c7fda/FLAGc4d1954a3 [2019-11-28 21:05:51,134 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:05:51,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2019-11-28 21:05:51,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ca1ce4f/bc2f22457ff74bfabb81ca6b892c7fda/FLAGc4d1954a3 [2019-11-28 21:05:51,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5ca1ce4f/bc2f22457ff74bfabb81ca6b892c7fda [2019-11-28 21:05:51,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:05:51,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:05:51,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:05:51,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:05:51,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:05:51,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:05:51" (1/1) ... [2019-11-28 21:05:51,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2436fed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:51, skipping insertion in model container [2019-11-28 21:05:51,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:05:51" (1/1) ... [2019-11-28 21:05:51,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:05:51,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:05:51,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:05:52,012 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:05:52,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:05:52,179 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:05:52,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52 WrapperNode [2019-11-28 21:05:52,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:05:52,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:05:52,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:05:52,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:05:52,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:05:52,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:05:52,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:05:52,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:05:52,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (1/1) ... [2019-11-28 21:05:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:05:52,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:05:52,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:05:52,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:05:52,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (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 21:05:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:05:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:05:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:05:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:05:53,140 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:05:53,140 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 21:05:53,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:05:53 BoogieIcfgContainer [2019-11-28 21:05:53,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:05:53,144 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:05:53,144 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:05:53,148 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:05:53,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:05:53,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:05:51" (1/3) ... [2019-11-28 21:05:53,151 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c705c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:05:53, skipping insertion in model container [2019-11-28 21:05:53,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:05:53,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:05:52" (2/3) ... [2019-11-28 21:05:53,152 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c705c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:05:53, skipping insertion in model container [2019-11-28 21:05:53,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:05:53,153 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:05:53" (3/3) ... [2019-11-28 21:05:53,159 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product25.cil.c [2019-11-28 21:05:53,209 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:05:53,209 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:05:53,209 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:05:53,209 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:05:53,209 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:05:53,210 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:05:53,210 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:05:53,210 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:05:53,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-11-28 21:05:53,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-28 21:05:53,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:05:53,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:05:53,260 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:05:53,261 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:05:53,261 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:05:53,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-11-28 21:05:53,267 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-28 21:05:53,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:05:53,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:05:53,269 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:05:53,269 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:05:53,274 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; 6#L-1true havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 58#L572true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 63#L580true main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 26#L670true assume 0 != main_~tmp~4; 77#L646true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 15#L59-1true [2019-11-28 21:05:53,275 INFO L796 eck$LassoCheckResult]: Loop: 15#L59-1true assume !false; 16#L867true assume test_~splverifierCounter~0 < 4; 39#L868true test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 65#L876true assume !(0 != test_~tmp~8); 67#L876-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 49#L886true assume !(0 != test_~tmp___0~2); 51#L886-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 22#L896true assume 0 != test_~tmp___2~0; 64#L902-2true assume !(0 != ~pumpRunning~0); 68#L693true assume !(0 != ~systemActive~0); 59#L700true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 23#L501true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 70#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 15#L59-1true [2019-11-28 21:05:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:53,282 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:05:53,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:53,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024506485] [2019-11-28 21:05:53,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:53,660 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:53,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:53,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683787, now seen corresponding path program 1 times [2019-11-28 21:05:53,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:53,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052804253] [2019-11-28 21:05:53,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:53,680 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:53,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:53,682 INFO L82 PathProgramCache]: Analyzing trace with hash 32595151, now seen corresponding path program 1 times [2019-11-28 21:05:53,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:53,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529726050] [2019-11-28 21:05:53,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:05:53,836 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 21:05:53,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529726050] [2019-11-28 21:05:53,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:05:53,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 21:05:53,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929178878] [2019-11-28 21:05:53,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:05:53,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 21:05:53,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 21:05:53,958 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2019-11-28 21:05:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:05:54,179 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2019-11-28 21:05:54,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 21:05:54,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 106 transitions. [2019-11-28 21:05:54,186 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 21:05:54,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2019-11-28 21:05:54,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2019-11-28 21:05:54,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-11-28 21:05:54,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2019-11-28 21:05:54,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:05:54,200 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 21:05:54,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2019-11-28 21:05:54,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 21:05:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 21:05:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-28 21:05:54,236 INFO L711 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 21:05:54,236 INFO L591 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 21:05:54,236 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:05:54,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2019-11-28 21:05:54,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 21:05:54,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:05:54,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:05:54,239 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:05:54,240 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:05:54,240 INFO L794 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; 180#L-1 havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 181#L572 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 244#L580 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 215#L670 assume 0 != main_~tmp~4; 216#L646 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 193#L59-1 [2019-11-28 21:05:54,240 INFO L796 eck$LassoCheckResult]: Loop: 193#L59-1 assume !false; 194#L867 assume test_~splverifierCounter~0 < 4; 195#L868 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 229#L876 assume !(0 != test_~tmp~8); 226#L876-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 237#L886 assume !(0 != test_~tmp___0~2); 238#L886-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 205#L896 assume 0 != test_~tmp___2~0; 206#L902-2 assume !(0 != ~pumpRunning~0); 191#L693 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 241#L725 assume !(0 != ~pumpRunning~0); 233#L700 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 208#L501 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 209#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 193#L59-1 [2019-11-28 21:05:54,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:54,241 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:05:54,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:54,241 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917283759] [2019-11-28 21:05:54,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,353 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:54,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:54,354 INFO L82 PathProgramCache]: Analyzing trace with hash -619582386, now seen corresponding path program 1 times [2019-11-28 21:05:54,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:54,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372046326] [2019-11-28 21:05:54,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,375 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:54,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:54,376 INFO L82 PathProgramCache]: Analyzing trace with hash 983457140, now seen corresponding path program 1 times [2019-11-28 21:05:54,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:54,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936011741] [2019-11-28 21:05:54,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:05:54,516 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 21:05:54,516 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936011741] [2019-11-28 21:05:54,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:05:54,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 21:05:54,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320615437] [2019-11-28 21:05:54,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:05:54,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 21:05:54,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 21:05:54,592 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 30 Second operand 5 states. [2019-11-28 21:05:54,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:05:54,721 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2019-11-28 21:05:54,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 21:05:54,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 345 transitions. [2019-11-28 21:05:54,727 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-28 21:05:54,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 345 transitions. [2019-11-28 21:05:54,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2019-11-28 21:05:54,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2019-11-28 21:05:54,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 345 transitions. [2019-11-28 21:05:54,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:05:54,738 INFO L688 BuchiCegarLoop]: Abstraction has 241 states and 345 transitions. [2019-11-28 21:05:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 345 transitions. [2019-11-28 21:05:54,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 136. [2019-11-28 21:05:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 21:05:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2019-11-28 21:05:54,764 INFO L711 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-11-28 21:05:54,765 INFO L591 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-11-28 21:05:54,765 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 21:05:54,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 188 transitions. [2019-11-28 21:05:54,768 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2019-11-28 21:05:54,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:05:54,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:05:54,770 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:05:54,771 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:05:54,772 INFO L794 eck$LassoCheckResult]: Stem: 548#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.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; 510#L-1 havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 511#L572 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 578#L580 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 545#L670 assume 0 != main_~tmp~4; 546#L646 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 523#L59-1 [2019-11-28 21:05:54,772 INFO L796 eck$LassoCheckResult]: Loop: 523#L59-1 assume !false; 524#L867 assume test_~splverifierCounter~0 < 4; 525#L868 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 560#L876 assume !(0 != test_~tmp~8); 619#L876-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 618#L886 assume !(0 != test_~tmp___0~2); 617#L886-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 616#L896 assume 0 != test_~tmp___2~0; 613#L902-2 assume !(0 != ~pumpRunning~0); 584#L693 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 574#L725 assume !(0 != ~pumpRunning~0); 564#L700 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; 579#L501 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 586#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 587#L533 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 527#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 523#L59-1 [2019-11-28 21:05:54,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:54,774 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 21:05:54,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:54,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531249389] [2019-11-28 21:05:54,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:54,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1581787104, now seen corresponding path program 1 times [2019-11-28 21:05:54,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:54,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832832860] [2019-11-28 21:05:54,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,909 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:05:54,910 INFO L82 PathProgramCache]: Analyzing trace with hash 209512326, now seen corresponding path program 1 times [2019-11-28 21:05:54,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:05:54,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771272433] [2019-11-28 21:05:54,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:05:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:05:55,007 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:06:25,133 WARN L192 SmtUtils]: Spent 30.02 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:06:39,733 WARN L192 SmtUtils]: Spent 14.60 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:06:39,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:06:39 BoogieIcfgContainer [2019-11-28 21:06:39,824 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:06:39,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:06:39,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:06:39,825 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:06:39,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:05:53" (3/4) ... [2019-11-28 21:06:39,829 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:06:39,895 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:06:39,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:06:39,897 INFO L168 Benchmark]: Toolchain (without parser) took 48449.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -245.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:06:39,898 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:06:39,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 21:06:39,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.44 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 21:06:39,901 INFO L168 Benchmark]: Boogie Preprocessor took 61.47 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 21:06:39,903 INFO L168 Benchmark]: RCFGBuilder took 832.11 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:06:39,904 INFO L168 Benchmark]: BuchiAutomizer took 46679.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -146.6 MB). Peak memory consumption was 372.3 MB. Max. memory is 11.5 GB. [2019-11-28 21:06:39,907 INFO L168 Benchmark]: Witness Printer took 71.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 21:06:39,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.44 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 61.47 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 832.11 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46679.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -146.6 MB). Peak memory consumption was 372.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 46.0s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 236 SDtfs, 672 SDslu, 402 SDs, 0 SdLazy, 51 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 866]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=108} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75e842c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23a0c13f=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1acf375e=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6be2edfa=0, NULL=108, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=10979, NULL=10978, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43277918=0, NULL=14892, NULL=0, NULL=17815, NULL=0, NULL=14900, tmp___1=0, tmp=0, NULL=14902, tmp___0=1, NULL=14901, tmp=0, cleanupTimeShifts=4, NULL=14888, NULL=109, NULL=14891, NULL=14890, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=14896, retValue_acc=0, NULL=14895, NULL=0, NULL=1146, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=14903, tmp=1, NULL=14897, NULL=0, NULL=0, NULL=0, NULL=1145, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@165746d2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f0a7ba=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b515fd2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36d1b974=0, retValue_acc=1, NULL=14893, tmp___2=57, tmp___0=0, retValue_acc=1, NULL=17814, NULL=14889, splverifierCounter=0, \result=0, tmp___1=0, head=0, NULL=0, tmp=0, NULL=1147, NULL=0, NULL=14894, NULL=0, NULL=0, NULL=0, NULL=14898, NULL=14899, NULL=10980} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L661] int retValue_acc ; [L662] int tmp ; [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 Loop: [L866] COND TRUE 1 [L868] COND TRUE splverifierCounter < 4 [L874] tmp = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp)) [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L722] int tmp ; [L725] COND FALSE !(\read(pumpRunning)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...