./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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_spec2_product34.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 f18aab99c70cc7d44332259818cc5069ce850e66 .............................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:28:01,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:28:01,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:28:01,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:28:01,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:28:01,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:28:01,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:28:01,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:28:01,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:28:01,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:28:01,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:28:01,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:28:01,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:28:01,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:28:01,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:28:01,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:28:01,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:28:01,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:28:01,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:28:01,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:28:01,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:28:01,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:28:01,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:28:01,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:28:01,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:28:01,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:28:01,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:28:01,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:28:01,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:28:01,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:28:01,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:28:01,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:28:01,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:28:01,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:28:01,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:28:01,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:28:01,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:28:01,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:28:01,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:28:01,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:28:01,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:28:01,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:28:01,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:28:01,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:28:01,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:28:01,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:28:01,313 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:28:01,314 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:28:01,314 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:28:01,314 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:28:01,315 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:28:01,315 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:28:01,316 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:28:01,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:28:01,317 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:28:01,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:28:01,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:28:01,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:28:01,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:28:01,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:28:01,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:28:01,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:28:01,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:28:01,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:28:01,320 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:28:01,320 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:28:01,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:28:01,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:28:01,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:28:01,321 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:28:01,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:28:01,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:28:01,322 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:28:01,325 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:28:01,326 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 -> f18aab99c70cc7d44332259818cc5069ce850e66 [2019-11-19 22:28:01,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:28:01,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:28:01,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:28:01,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:28:01,689 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:28:01,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2019-11-19 22:28:01,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b3e28c17/34745755625140c88c68c4588df8d5a2/FLAG2bd7863f0 [2019-11-19 22:28:02,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:28:02,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c [2019-11-19 22:28:02,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b3e28c17/34745755625140c88c68c4588df8d5a2/FLAG2bd7863f0 [2019-11-19 22:28:02,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b3e28c17/34745755625140c88c68c4588df8d5a2 [2019-11-19 22:28:02,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:28:02,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:28:02,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:28:02,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:28:02,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:28:02,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:28:02" (1/1) ... [2019-11-19 22:28:02,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a124976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:02, skipping insertion in model container [2019-11-19 22:28:02,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:28:02" (1/1) ... [2019-11-19 22:28:02,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:28:02,670 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:28:03,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:28:03,201 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:28:03,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:28:03,363 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:28:03,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03 WrapperNode [2019-11-19 22:28:03,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:28:03,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:28:03,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:28:03,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:28:03,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:28:03,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:28:03,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:28:03,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:28:03,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (1/1) ... [2019-11-19 22:28:03,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:28:03,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:28:03,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:28:03,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:28:03,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (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 [2019-11-19 22:28:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:28:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:28:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:28:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:28:04,283 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:28:04,284 INFO L285 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-19 22:28:04,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:04 BoogieIcfgContainer [2019-11-19 22:28:04,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:28:04,286 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:28:04,286 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:28:04,290 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:28:04,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:28:04,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:28:02" (1/3) ... [2019-11-19 22:28:04,292 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32938091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:28:04, skipping insertion in model container [2019-11-19 22:28:04,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:28:04,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:28:03" (2/3) ... [2019-11-19 22:28:04,293 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32938091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:28:04, skipping insertion in model container [2019-11-19 22:28:04,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:28:04,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:04" (3/3) ... [2019-11-19 22:28:04,295 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2019-11-19 22:28:04,337 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:28:04,338 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:28:04,338 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:28:04,338 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:28:04,338 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:28:04,338 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:28:04,339 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:28:04,339 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:28:04,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states. [2019-11-19 22:28:04,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-19 22:28:04,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:28:04,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:28:04,392 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:04,392 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:04,393 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:28:04,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states. [2019-11-19 22:28:04,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-19 22:28:04,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:28:04,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:28:04,401 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:04,401 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:04,407 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 13#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 58#L316true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 68#L324true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 41#L132true assume 0 != main_~tmp~0; 25#L103true ~methAndRunningLastTime~0 := 0; 45#L261true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 42#L272-1true [2019-11-19 22:28:04,408 INFO L796 eck$LassoCheckResult]: Loop: 42#L272-1true assume !false; 47#L707true assume test_~splverifierCounter~0 < 4; 69#L708true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 7#L716true assume !(0 != test_~tmp~5); 9#L716-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 73#L726true assume !(0 != test_~tmp___0~1); 75#L726-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 53#L736true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 61#L744-2true assume !(0 != ~pumpRunning~0); 22#L772true assume !(0 != ~systemActive~0); 28#L779true havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 37#L194true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 48#L272true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 42#L272-1true [2019-11-19 22:28:04,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:04,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-19 22:28:04,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:04,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141646699] [2019-11-19 22:28:04,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:04,836 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:28:04,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:04,838 INFO L82 PathProgramCache]: Analyzing trace with hash 3707467, now seen corresponding path program 1 times [2019-11-19 22:28:04,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:04,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517483446] [2019-11-19 22:28:04,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:28:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:28:04,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517483446] [2019-11-19 22:28:04,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:28:04,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:28:04,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45698928] [2019-11-19 22:28:04,902 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:28:04,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:28:04,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:28:04,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:28:04,923 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2019-11-19 22:28:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:28:04,978 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2019-11-19 22:28:04,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:28:04,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 111 transitions. [2019-11-19 22:28:04,986 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-19 22:28:04,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 72 states and 103 transitions. [2019-11-19 22:28:04,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2019-11-19 22:28:04,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2019-11-19 22:28:04,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 103 transitions. [2019-11-19 22:28:04,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:28:04,996 INFO L688 BuchiCegarLoop]: Abstraction has 72 states and 103 transitions. [2019-11-19 22:28:05,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 103 transitions. [2019-11-19 22:28:05,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-11-19 22:28:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-19 22:28:05,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 103 transitions. [2019-11-19 22:28:05,034 INFO L711 BuchiCegarLoop]: Abstraction has 72 states and 103 transitions. [2019-11-19 22:28:05,034 INFO L591 BuchiCegarLoop]: Abstraction has 72 states and 103 transitions. [2019-11-19 22:28:05,034 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:28:05,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 103 transitions. [2019-11-19 22:28:05,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-19 22:28:05,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:28:05,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:28:05,038 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:05,038 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:05,039 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 188#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 189#L316 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 229#L324 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 211#L132 assume 0 != main_~tmp~0; 199#L103 ~methAndRunningLastTime~0 := 0; 200#L261 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 192#L272-1 [2019-11-19 22:28:05,039 INFO L796 eck$LassoCheckResult]: Loop: 192#L272-1 assume !false; 212#L707 assume test_~splverifierCounter~0 < 4; 219#L708 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 178#L716 assume !(0 != test_~tmp~5); 180#L716-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 184#L726 assume !(0 != test_~tmp___0~1); 237#L726-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 225#L736 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 227#L744-2 assume !(0 != ~pumpRunning~0); 182#L772 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 167#L804 assume !(0 == ~pumpRunning~0); 168#L779 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 203#L194 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 210#L272 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 192#L272-1 [2019-11-19 22:28:05,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:05,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-19 22:28:05,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:05,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496749058] [2019-11-19 22:28:05,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,241 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:28:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:05,243 INFO L82 PathProgramCache]: Analyzing trace with hash 83320769, now seen corresponding path program 1 times [2019-11-19 22:28:05,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:05,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998914692] [2019-11-19 22:28:05,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:28:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:28:05,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998914692] [2019-11-19 22:28:05,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:28:05,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:28:05,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091247448] [2019-11-19 22:28:05,269 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:28:05,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:28:05,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:28:05,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:28:05,270 INFO L87 Difference]: Start difference. First operand 72 states and 103 transitions. cyclomatic complexity: 33 Second operand 3 states. [2019-11-19 22:28:05,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:28:05,401 INFO L93 Difference]: Finished difference Result 116 states and 160 transitions. [2019-11-19 22:28:05,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:28:05,402 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 160 transitions. [2019-11-19 22:28:05,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2019-11-19 22:28:05,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 116 states and 160 transitions. [2019-11-19 22:28:05,408 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-11-19 22:28:05,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-11-19 22:28:05,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 160 transitions. [2019-11-19 22:28:05,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:28:05,412 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 160 transitions. [2019-11-19 22:28:05,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 160 transitions. [2019-11-19 22:28:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-11-19 22:28:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-19 22:28:05,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 160 transitions. [2019-11-19 22:28:05,432 INFO L711 BuchiCegarLoop]: Abstraction has 116 states and 160 transitions. [2019-11-19 22:28:05,433 INFO L591 BuchiCegarLoop]: Abstraction has 116 states and 160 transitions. [2019-11-19 22:28:05,433 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:28:05,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 160 transitions. [2019-11-19 22:28:05,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2019-11-19 22:28:05,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:28:05,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:28:05,440 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:05,441 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:28:05,443 INFO L794 eck$LassoCheckResult]: Stem: 407#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(13);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 379#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 380#L316 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 429#L324 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 411#L132 assume 0 != main_~tmp~0; 398#L103 ~methAndRunningLastTime~0 := 0; 399#L261 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 384#L272-1 [2019-11-19 22:28:05,444 INFO L796 eck$LassoCheckResult]: Loop: 384#L272-1 assume !false; 412#L707 assume test_~splverifierCounter~0 < 4; 416#L708 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 369#L716 assume !(0 != test_~tmp~5); 371#L716-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 374#L726 assume !(0 != test_~tmp___0~1); 472#L726-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 425#L736 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 427#L744-2 assume !(0 != ~pumpRunning~0); 395#L772 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 361#L804 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret71, isHighWaterLevel_~retValue_acc~11, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~11;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 362#L234 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 405#L239 isHighWaterLevel_#t~ret71 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret71;havoc isHighWaterLevel_#t~ret71; 377#L906 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 378#L906-2 isHighWaterLevel_~retValue_acc~11 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~11; 432#L912 processEnvironment_#t~ret53 := isHighWaterLevel_#res;processEnvironment_~tmp~6 := processEnvironment_#t~ret53;havoc processEnvironment_#t~ret53; 385#L808 assume !(0 != processEnvironment_~tmp~6); 386#L779 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 403#L194 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 410#L272 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 384#L272-1 [2019-11-19 22:28:05,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:05,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-19 22:28:05,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:05,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918902205] [2019-11-19 22:28:05,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,542 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:28:05,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:05,543 INFO L82 PathProgramCache]: Analyzing trace with hash -160889491, now seen corresponding path program 1 times [2019-11-19 22:28:05,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:05,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784627001] [2019-11-19 22:28:05,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,561 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:28:05,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:28:05,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1004687283, now seen corresponding path program 1 times [2019-11-19 22:28:05,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:28:05,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461793101] [2019-11-19 22:28:05,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:28:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:28:05,647 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:28:05,829 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-11-19 22:28:35,449 WARN L191 SmtUtils]: Spent 29.53 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-19 22:28:49,859 WARN L191 SmtUtils]: Spent 14.40 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-19 22:28:49,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:28:49 BoogieIcfgContainer [2019-11-19 22:28:49,963 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:28:49,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:28:49,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:28:49,964 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:28:49,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:28:04" (3/4) ... [2019-11-19 22:28:49,968 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:28:50,061 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:28:50,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:28:50,063 INFO L168 Benchmark]: Toolchain (without parser) took 47456.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 264.2 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -299.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:28:50,064 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:28:50,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:50,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:28:50,066 INFO L168 Benchmark]: Boogie Preprocessor took 39.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:28:50,066 INFO L168 Benchmark]: RCFGBuilder took 815.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.8 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:50,067 INFO L168 Benchmark]: BuchiAutomizer took 45676.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 997.8 MB in the beginning and 1.3 GB in the end (delta: -256.4 MB). Peak memory consumption was 410.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:50,068 INFO L168 Benchmark]: Witness Printer took 98.01 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-19 22:28:50,072 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 755.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -110.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 815.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.8 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45676.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 997.8 MB in the beginning and 1.3 GB in the end (delta: -256.4 MB). Peak memory consumption was 410.6 MB. Max. memory is 11.5 GB. * Witness Printer took 98.01 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: 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 3 locations. The remainder module has 116 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 45.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 116 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 224 SDtfs, 192 SDslu, 54 SDs, 0 SdLazy, 24 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 706]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5711} State at position 1 is {retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=5712, retValue_acc=0, NULL=0, NULL=5711, NULL=5724, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bf8f9f8=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3281fa49=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11ca8341=0, NULL=5726, NULL=5734, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b52ecb8=0, NULL=5723, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f391e2d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60efbe0=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dc2eb44=0, NULL=5722, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a72829c=0, tmp___0=0, tmp=0, NULL=5718, NULL=0, NULL=5729, NULL=0, NULL=5731, NULL=5725, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=5730, cleanupTimeShifts=4, NULL=5715, NULL=5721, NULL=5733, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=5717, \result=0, NULL=0, NULL=5714, NULL=11206, NULL=0, NULL=0, NULL=5716, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f8ea493=0, NULL=0, NULL=5732, NULL=0, NULL=0, NULL=0, NULL=0, NULL=5713, retValue_acc=1, \result=1, tmp___0=0, retValue_acc=0, tmp=1, tmp___2=59, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=5720, NULL=5727, head=0, tmp=0, NULL=11205, NULL=0, tmp=0, NULL=5728, NULL=5719} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L260] methAndRunningLastTime = 0 [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 Loop: [L706] COND TRUE 1 [L708] COND TRUE splverifierCounter < 4 [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND TRUE \read(tmp___2) [L920] systemActive = 1 [L772] COND FALSE !(\read(pumpRunning)) [L779] COND TRUE \read(systemActive) [L801] int tmp ; [L804] COND TRUE ! pumpRunning [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; [L231] int retValue_acc ; [L234] COND TRUE waterLevel < 2 [L235] retValue_acc = 1 [L236] return (retValue_acc); [L904] tmp = isHighWaterSensorDry() [L906] COND TRUE \read(tmp) [L907] tmp___0 = 0 [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); [L806] tmp = isHighWaterLevel() [L808] COND FALSE !(\read(tmp)) [L265] int tmp ; [L266] int tmp___0 ; [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L270] tmp = isMethaneLevelCritical() [L272] COND FALSE !(\read(tmp)) [L288] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...