./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_spec4_product11.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 914cee364693da399a9c2543bf5dbcba9bd2afd1 ............................................................................................................................................................................................................................................................................................................................................................... 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 21:08:31,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:08:31,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:08:31,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:08:31,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:08:31,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:08:31,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:08:31,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:08:31,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:08:31,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:08:31,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:08:31,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:08:31,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:08:31,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:08:31,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:08:31,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:08:31,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:08:31,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:08:31,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:08:31,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:08:31,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:08:31,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:08:31,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:08:31,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:08:31,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:08:31,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:08:31,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:08:31,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:08:31,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:08:31,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:08:31,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:08:31,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:08:31,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:08:31,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:08:31,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:08:31,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:08:31,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:08:31,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:08:31,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:08:31,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:08:31,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:08:31,241 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:08:31,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:08:31,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:08:31,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:08:31,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:08:31,282 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:08:31,283 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:08:31,283 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:08:31,283 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:08:31,283 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:08:31,283 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:08:31,284 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:08:31,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:08:31,284 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:08:31,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:08:31,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:08:31,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:08:31,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:08:31,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:08:31,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:08:31,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:08:31,286 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:08:31,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:08:31,286 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:08:31,286 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:08:31,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:08:31,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:08:31,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:08:31,287 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:08:31,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:08:31,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:08:31,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:08:31,288 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:08:31,289 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:08:31,289 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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2019-11-28 21:08:31,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:08:31,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:08:31,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:08:31,623 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:08:31,623 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:08:31,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-11-28 21:08:31,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9986b0aff/f4fa93b23c68436593386534fe13bd50/FLAG76234220e [2019-11-28 21:08:32,155 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:08:32,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-11-28 21:08:32,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9986b0aff/f4fa93b23c68436593386534fe13bd50/FLAG76234220e [2019-11-28 21:08:32,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9986b0aff/f4fa93b23c68436593386534fe13bd50 [2019-11-28 21:08:32,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:08:32,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:08:32,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:08:32,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:08:32,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:08:32,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:08:32" (1/1) ... [2019-11-28 21:08:32,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce269f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:32, skipping insertion in model container [2019-11-28 21:08:32,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:08:32" (1/1) ... [2019-11-28 21:08:32,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:08:32,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:08:33,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:08:33,058 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:08:33,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:08:33,189 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:08:33,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33 WrapperNode [2019-11-28 21:08:33,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:08:33,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:08:33,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:08:33,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:08:33,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:08:33,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:08:33,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:08:33,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:08:33,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (1/1) ... [2019-11-28 21:08:33,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:08:33,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:08:33,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:08:33,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:08:33,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (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 21:08:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:08:33,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:08:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:08:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:08:34,012 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:08:34,012 INFO L287 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-28 21:08:34,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:34 BoogieIcfgContainer [2019-11-28 21:08:34,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:08:34,014 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:08:34,015 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:08:34,025 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:08:34,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:34,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:08:32" (1/3) ... [2019-11-28 21:08:34,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32a77281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:08:34, skipping insertion in model container [2019-11-28 21:08:34,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:34,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:33" (2/3) ... [2019-11-28 21:08:34,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32a77281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:08:34, skipping insertion in model container [2019-11-28 21:08:34,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:34,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:34" (3/3) ... [2019-11-28 21:08:34,033 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2019-11-28 21:08:34,081 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:08:34,081 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:08:34,081 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:08:34,081 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:08:34,082 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:08:34,082 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:08:34,082 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:08:34,082 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:08:34,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 21:08:34,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 21:08:34,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:34,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:34,131 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:34,132 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:34,132 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:08:34,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 21:08:34,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 21:08:34,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:34,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:34,138 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:34,138 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:34,143 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true havoc main_#res;havoc main_#t~ret34, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 28#L863true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 38#L871true main_#t~ret34 := valid_product_#res;main_~tmp~3 := main_#t~ret34;havoc main_#t~ret34; 25#L461true assume 0 != main_~tmp~3; 12#L435true havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 31#L278-1true [2019-11-28 21:08:34,144 INFO L796 eck$LassoCheckResult]: Loop: 31#L278-1true assume !false; 49#L213true assume test_~splverifierCounter~0 < 4; 57#L214true test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 55#L222true assume !(0 != test_~tmp~1); 54#L222-1true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 47#L232true assume !(0 != test_~tmp___0~0); 46#L232-1true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 27#L242true assume 0 != test_~tmp___2~0; 15#L248-1true assume !(0 != ~pumpRunning~0); 40#L66true assume !(0 != ~systemActive~0); 9#L73true havoc __utac_acc__Specification4_spec__1_#t~ret22, __utac_acc__Specification4_spec__1_#t~ret23, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;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; 50#L371true __utac_acc__Specification4_spec__1_#t~ret22 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret22;havoc __utac_acc__Specification4_spec__1_#t~ret22; 35#L278true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 31#L278-1true [2019-11-28 21:08:34,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:34,151 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:08:34,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:34,159 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976977781] [2019-11-28 21:08:34,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:34,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:34,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:34,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-11-28 21:08:34,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:34,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567125992] [2019-11-28 21:08:34,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:34,510 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:34,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:34,512 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-11-28 21:08:34,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:34,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983533753] [2019-11-28 21:08:34,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:08:34,708 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 21:08:34,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983533753] [2019-11-28 21:08:34,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:08:34,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 21:08:34,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305203570] [2019-11-28 21:08:34,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:08:34,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 21:08:34,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 21:08:34,824 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-11-28 21:08:35,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:08:35,040 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-11-28 21:08:35,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 21:08:35,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-11-28 21:08:35,051 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-11-28 21:08:35,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-11-28 21:08:35,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-11-28 21:08:35,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-11-28 21:08:35,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-11-28 21:08:35,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:08:35,063 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-11-28 21:08:35,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-11-28 21:08:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-11-28 21:08:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-28 21:08:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-28 21:08:35,097 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 21:08:35,097 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 21:08:35,097 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:08:35,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-28 21:08:35,100 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-28 21:08:35,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:35,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:35,100 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:35,101 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:35,101 INFO L794 eck$LassoCheckResult]: Stem: 267#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 244#L-1 havoc main_#res;havoc main_#t~ret34, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 245#L863 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 265#L871 main_#t~ret34 := valid_product_#res;main_~tmp~3 := main_#t~ret34;havoc main_#t~ret34; 263#L461 assume 0 != main_~tmp~3; 246#L435 havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 247#L278-1 [2019-11-28 21:08:35,101 INFO L796 eck$LassoCheckResult]: Loop: 247#L278-1 assume !false; 266#L213 assume test_~splverifierCounter~0 < 4; 278#L214 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 279#L222 assume !(0 != test_~tmp~1); 258#L222-1 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 277#L232 assume !(0 != test_~tmp___0~0); 274#L232-1 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 264#L242 assume 0 != test_~tmp___2~0; 250#L248-1 assume !(0 != ~pumpRunning~0); 252#L66 assume 0 != ~systemActive~0; 240#L73 havoc __utac_acc__Specification4_spec__1_#t~ret22, __utac_acc__Specification4_spec__1_#t~ret23, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;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; 241#L371 __utac_acc__Specification4_spec__1_#t~ret22 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret22;havoc __utac_acc__Specification4_spec__1_#t~ret22; 269#L278 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 247#L278-1 [2019-11-28 21:08:35,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:35,102 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:08:35,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:35,102 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48994603] [2019-11-28 21:08:35,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:35,235 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:35,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-11-28 21:08:35,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:35,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092015886] [2019-11-28 21:08:35,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:35,248 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:35,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:35,249 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-11-28 21:08:35,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:35,250 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337589573] [2019-11-28 21:08:35,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:35,389 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:09:01,893 WARN L192 SmtUtils]: Spent 26.42 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:09:14,584 WARN L192 SmtUtils]: Spent 12.69 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:09:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:09:14 BoogieIcfgContainer [2019-11-28 21:09:14,667 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:09:14,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:09:14,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:09:14,668 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:09:14,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:34" (3/4) ... [2019-11-28 21:09:14,672 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:09:14,729 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:09:14,729 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:09:14,731 INFO L168 Benchmark]: Toolchain (without parser) took 42205.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 957.7 MB in the beginning and 1.3 GB in the end (delta: -313.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:09:14,732 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:09:14,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:14,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.54 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 21:09:14,734 INFO L168 Benchmark]: Boogie Preprocessor took 49.67 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 21:09:14,734 INFO L168 Benchmark]: RCFGBuilder took 703.01 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:14,735 INFO L168 Benchmark]: BuchiAutomizer took 40652.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -209.4 MB). Peak memory consumption was 382.3 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:14,736 INFO L168 Benchmark]: Witness Printer took 61.74 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:14,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.54 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 49.67 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 703.01 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40652.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -209.4 MB). Peak memory consumption was 382.3 MB. Max. memory is 11.5 GB. * Witness Printer took 61.74 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: 8.8 MB). Peak memory consumption was 8.8 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 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 40.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 212]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=587} State at position 1 is {NULL=9709, NULL=0, NULL=0, NULL=0, NULL=593, NULL=0, NULL=587, retValue_acc=0, NULL=594, NULL=589, NULL=9711, NULL=588, NULL=603, methaneLevelCritical=0, NULL=0, NULL=590, NULL=0, NULL=0, tmp___1=0, NULL=599, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c15f27b=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=2996, NULL=592, NULL=602, NULL=9707, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=591, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, \result=1, head=0, pumpRunning=0, NULL=601, \result=0, tmp=1, NULL=595, NULL=0, NULL=0, NULL=0, NULL=596, retValue_acc=1, tmp=1, NULL=9708, tmp___2=53, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c17e322=0, NULL=597, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31981195=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@623d3ed1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60f91c7f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14a3c22f=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fd471b3=53, NULL=2994, NULL=2993, NULL=0, NULL=0, NULL=0, NULL=2995, NULL=9710, NULL=600, NULL=598} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L376] int cleanupTimeShifts = 4; [L644] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L452] int retValue_acc ; [L453] int tmp ; [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); [L459] tmp = valid_product() [L461] COND TRUE \read(tmp) [L203] int splverifierCounter ; [L204] int tmp ; [L205] int tmp___0 ; [L206] int tmp___1 ; [L207] int tmp___2 ; [L210] splverifierCounter = 0 Loop: [L212] COND TRUE 1 [L214] COND TRUE splverifierCounter < 4 [L220] tmp = __VERIFIER_nondet_int() [L222] COND FALSE !(\read(tmp)) [L230] tmp___0 = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp___0)) [L240] tmp___2 = __VERIFIER_nondet_int() [L242] COND TRUE \read(tmp___2) [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L271] int tmp ; [L272] int tmp___0 ; [L367] int retValue_acc ; [L370] retValue_acc = waterLevel [L371] return (retValue_acc); [L276] tmp = getWaterLevel() [L278] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...