./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product28.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 bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-8bd4bc6 [2020-07-29 02:43:10,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:43:10,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:43:10,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:43:10,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:43:10,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:43:10,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:43:10,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:43:10,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:43:10,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:43:10,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:43:10,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:43:10,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:43:10,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:43:10,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:43:10,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:43:10,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:43:10,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:43:10,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:43:10,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:43:10,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:43:10,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:43:10,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:43:10,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:43:10,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:43:10,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:43:10,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:43:10,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:43:10,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:43:10,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:43:10,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:43:10,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:43:10,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:43:10,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:43:10,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:43:10,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:43:10,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:43:10,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:43:10,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:43:10,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:43:10,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:43:10,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:43:10,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:43:10,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:43:10,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:43:10,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:43:10,290 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:43:10,290 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:43:10,291 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:43:10,291 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:43:10,291 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:43:10,291 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:43:10,292 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:43:10,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:43:10,292 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:43:10,293 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:43:10,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:43:10,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:43:10,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:43:10,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:43:10,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:43:10,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:43:10,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:43:10,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:43:10,295 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:43:10,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:43:10,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:43:10,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:43:10,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:43:10,297 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:43:10,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:43:10,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:43:10,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:43:10,298 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:43:10,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:43:10,300 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 -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2020-07-29 02:43:10,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:43:10,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:43:10,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:43:10,633 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:43:10,634 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:43:10,635 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2020-07-29 02:43:10,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7327b3f36/3f090bbc102a49d2915b60b3238c474d/FLAGa27c17559 [2020-07-29 02:43:11,278 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:43:11,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2020-07-29 02:43:11,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7327b3f36/3f090bbc102a49d2915b60b3238c474d/FLAGa27c17559 [2020-07-29 02:43:11,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7327b3f36/3f090bbc102a49d2915b60b3238c474d [2020-07-29 02:43:11,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:43:11,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:43:11,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:43:11,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:43:11,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:43:11,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:43:11" (1/1) ... [2020-07-29 02:43:11,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6f06a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:11, skipping insertion in model container [2020-07-29 02:43:11,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:43:11" (1/1) ... [2020-07-29 02:43:11,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:43:11,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:43:11,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:43:12,045 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:43:12,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:43:12,219 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:43:12,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12 WrapperNode [2020-07-29 02:43:12,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:43:12,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:43:12,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:43:12,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:43:12,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:43:12,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:43:12,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:43:12,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:43:12,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (1/1) ... [2020-07-29 02:43:12,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:43:12,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:43:12,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:43:12,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:43:12,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (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 [2020-07-29 02:43:12,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:43:12,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 02:43:12,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:43:12,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:43:13,840 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:43:13,841 INFO L295 CfgBuilder]: Removed 108 assume(true) statements. [2020-07-29 02:43:13,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:43:13 BoogieIcfgContainer [2020-07-29 02:43:13,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:43:13,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:43:13,846 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:43:13,850 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:43:13,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:43:13,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:43:11" (1/3) ... [2020-07-29 02:43:13,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21ed51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:43:13, skipping insertion in model container [2020-07-29 02:43:13,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:43:13,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:43:12" (2/3) ... [2020-07-29 02:43:13,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21ed51b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:43:13, skipping insertion in model container [2020-07-29 02:43:13,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:43:13,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:43:13" (3/3) ... [2020-07-29 02:43:13,856 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2020-07-29 02:43:13,911 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:43:13,912 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:43:13,912 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:43:13,912 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:43:13,914 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:43:13,914 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:43:13,914 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:43:13,915 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:43:13,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2020-07-29 02:43:13,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-07-29 02:43:13,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:43:13,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:43:13,991 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 02:43:13,991 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:43:13,991 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:43:13,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2020-07-29 02:43:14,022 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2020-07-29 02:43:14,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:43:14,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:43:14,026 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 02:43:14,026 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:43:14,042 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; 17#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 20#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 15#L73true main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 39#L527true assume 0 != main_~tmp~4; 5#L504true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L565-1true [2020-07-29 02:43:14,042 INFO L796 eck$LassoCheckResult]: Loop: 52#L565-1true assume !false; 31#L297true assume test_~splverifierCounter~0 < 4; 76#L298true test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 78#L306true assume !(0 != test_~tmp~3); 80#L306-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 58#L316true assume !(0 != test_~tmp___0~1); 60#L316-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 37#L326true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L334-1true assume !(0 != ~pumpRunning~0); 79#L97true assume !(0 != ~systemActive~0); 50#L104true havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 40#L399true __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 24#L559true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 52#L565-1true [2020-07-29 02:43:14,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:14,050 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-07-29 02:43:14,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:14,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390879772] [2020-07-29 02:43:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:14,327 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:14,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:14,524 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:43:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:14,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140737, now seen corresponding path program 1 times [2020-07-29 02:43:14,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:14,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670672564] [2020-07-29 02:43:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:43:14,603 INFO L280 TraceCheckUtils]: 0: Hoare triple {86#true} assume !false; {86#true} is VALID [2020-07-29 02:43:14,604 INFO L280 TraceCheckUtils]: 1: Hoare triple {86#true} assume test_~splverifierCounter~0 < 4; {86#true} is VALID [2020-07-29 02:43:14,604 INFO L280 TraceCheckUtils]: 2: Hoare triple {86#true} test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; {86#true} is VALID [2020-07-29 02:43:14,605 INFO L280 TraceCheckUtils]: 3: Hoare triple {86#true} assume !(0 != test_~tmp~3); {86#true} is VALID [2020-07-29 02:43:14,605 INFO L280 TraceCheckUtils]: 4: Hoare triple {86#true} test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; {86#true} is VALID [2020-07-29 02:43:14,606 INFO L280 TraceCheckUtils]: 5: Hoare triple {86#true} assume !(0 != test_~tmp___0~1); {86#true} is VALID [2020-07-29 02:43:14,606 INFO L280 TraceCheckUtils]: 6: Hoare triple {86#true} test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; {86#true} is VALID [2020-07-29 02:43:14,610 INFO L280 TraceCheckUtils]: 7: Hoare triple {86#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {88#(<= 1 ~systemActive~0)} is VALID [2020-07-29 02:43:14,611 INFO L280 TraceCheckUtils]: 8: Hoare triple {88#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {88#(<= 1 ~systemActive~0)} is VALID [2020-07-29 02:43:14,612 INFO L280 TraceCheckUtils]: 9: Hoare triple {88#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {87#false} is VALID [2020-07-29 02:43:14,612 INFO L280 TraceCheckUtils]: 10: Hoare triple {87#false} havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {87#false} is VALID [2020-07-29 02:43:14,613 INFO L280 TraceCheckUtils]: 11: Hoare triple {87#false} __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; {87#false} is VALID [2020-07-29 02:43:14,613 INFO L280 TraceCheckUtils]: 12: Hoare triple {87#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; {87#false} is VALID [2020-07-29 02:43:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:43:14,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670672564] [2020-07-29 02:43:14,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:43:14,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 02:43:14,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66562004] [2020-07-29 02:43:14,626 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 02:43:14,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:43:14,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 02:43:14,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 02:43:14,645 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2020-07-29 02:43:15,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:43:15,024 INFO L93 Difference]: Finished difference Result 154 states and 216 transitions. [2020-07-29 02:43:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 02:43:15,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:43:15,050 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:43:15,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 216 transitions. [2020-07-29 02:43:15,069 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2020-07-29 02:43:15,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 140 states and 201 transitions. [2020-07-29 02:43:15,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2020-07-29 02:43:15,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2020-07-29 02:43:15,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 201 transitions. [2020-07-29 02:43:15,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:43:15,089 INFO L688 BuchiCegarLoop]: Abstraction has 140 states and 201 transitions. [2020-07-29 02:43:15,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 201 transitions. [2020-07-29 02:43:15,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2020-07-29 02:43:15,136 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:43:15,137 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states and 201 transitions. Second operand 138 states. [2020-07-29 02:43:15,137 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states and 201 transitions. Second operand 138 states. [2020-07-29 02:43:15,139 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 138 states. [2020-07-29 02:43:15,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:43:15,149 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2020-07-29 02:43:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2020-07-29 02:43:15,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:43:15,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:43:15,153 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand 140 states and 201 transitions. [2020-07-29 02:43:15,153 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 140 states and 201 transitions. [2020-07-29 02:43:15,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:43:15,162 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2020-07-29 02:43:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2020-07-29 02:43:15,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:43:15,164 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:43:15,165 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:43:15,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:43:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-29 02:43:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2020-07-29 02:43:15,175 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2020-07-29 02:43:15,175 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2020-07-29 02:43:15,175 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:43:15,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2020-07-29 02:43:15,178 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2020-07-29 02:43:15,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:43:15,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:43:15,179 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 02:43:15,180 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:43:15,180 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; 268#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 269#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 264#L73 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 265#L527 assume 0 != main_~tmp~4; 247#L504 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 248#L565-1 [2020-07-29 02:43:15,180 INFO L796 eck$LassoCheckResult]: Loop: 248#L565-1 assume !false; 341#L297 assume test_~splverifierCounter~0 < 4; 328#L298 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 329#L306 assume !(0 != test_~tmp~3); 301#L306-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 332#L316 assume !(0 != test_~tmp___0~1); 317#L316-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 290#L326 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 291#L334-1 assume !(0 != ~pumpRunning~0); 286#L97 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 331#L129 assume !(0 != ~pumpRunning~0); 303#L104 havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 294#L399 __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 275#L559 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 248#L565-1 [2020-07-29 02:43:15,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:15,181 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-07-29 02:43:15,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:15,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652404604] [2020-07-29 02:43:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:15,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:15,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:15,306 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:43:15,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:15,307 INFO L82 PathProgramCache]: Analyzing trace with hash -323747826, now seen corresponding path program 1 times [2020-07-29 02:43:15,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:15,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403905600] [2020-07-29 02:43:15,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:15,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:15,318 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:15,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:43:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:15,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291700, now seen corresponding path program 1 times [2020-07-29 02:43:15,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:15,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197451716] [2020-07-29 02:43:15,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:43:15,431 INFO L280 TraceCheckUtils]: 0: Hoare triple {668#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,432 INFO L280 TraceCheckUtils]: 1: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,433 INFO L280 TraceCheckUtils]: 2: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,434 INFO L280 TraceCheckUtils]: 3: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,435 INFO L280 TraceCheckUtils]: 4: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~4; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,436 INFO L280 TraceCheckUtils]: 5: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,437 INFO L280 TraceCheckUtils]: 6: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume !false; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,437 INFO L280 TraceCheckUtils]: 7: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,438 INFO L280 TraceCheckUtils]: 8: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,439 INFO L280 TraceCheckUtils]: 9: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~3); {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,440 INFO L280 TraceCheckUtils]: 10: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,440 INFO L280 TraceCheckUtils]: 11: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,442 INFO L280 TraceCheckUtils]: 12: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,442 INFO L280 TraceCheckUtils]: 13: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,443 INFO L280 TraceCheckUtils]: 14: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,444 INFO L280 TraceCheckUtils]: 15: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,445 INFO L280 TraceCheckUtils]: 16: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {670#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-29 02:43:15,446 INFO L280 TraceCheckUtils]: 17: Hoare triple {670#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {671#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-29 02:43:15,447 INFO L280 TraceCheckUtils]: 18: Hoare triple {671#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; {672#(= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5)} is VALID [2020-07-29 02:43:15,448 INFO L280 TraceCheckUtils]: 19: Hoare triple {672#(= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; {669#false} is VALID [2020-07-29 02:43:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:43:15,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197451716] [2020-07-29 02:43:15,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:43:15,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 02:43:15,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344176014] [2020-07-29 02:43:15,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:43:15,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-29 02:43:15,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-29 02:43:15,574 INFO L87 Difference]: Start difference. First operand 138 states and 198 transitions. cyclomatic complexity: 63 Second operand 5 states. [2020-07-29 02:43:16,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:43:16,516 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions. [2020-07-29 02:43:16,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-29 02:43:16,517 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-29 02:43:16,553 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:43:16,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 686 transitions. [2020-07-29 02:43:16,596 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 348 [2020-07-29 02:43:16,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 686 transitions. [2020-07-29 02:43:16,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2020-07-29 02:43:16,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2020-07-29 02:43:16,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 686 transitions. [2020-07-29 02:43:16,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:43:16,633 INFO L688 BuchiCegarLoop]: Abstraction has 469 states and 686 transitions. [2020-07-29 02:43:16,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 686 transitions. [2020-07-29 02:43:16,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 270. [2020-07-29 02:43:16,671 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:43:16,671 INFO L82 GeneralOperation]: Start isEquivalent. First operand 469 states and 686 transitions. Second operand 270 states. [2020-07-29 02:43:16,671 INFO L74 IsIncluded]: Start isIncluded. First operand 469 states and 686 transitions. Second operand 270 states. [2020-07-29 02:43:16,671 INFO L87 Difference]: Start difference. First operand 469 states and 686 transitions. Second operand 270 states. [2020-07-29 02:43:16,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:43:16,716 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions. [2020-07-29 02:43:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 686 transitions. [2020-07-29 02:43:16,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:43:16,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:43:16,725 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand 469 states and 686 transitions. [2020-07-29 02:43:16,725 INFO L87 Difference]: Start difference. First operand 270 states. Second operand 469 states and 686 transitions. [2020-07-29 02:43:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:43:16,746 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions. [2020-07-29 02:43:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 686 transitions. [2020-07-29 02:43:16,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:43:16,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:43:16,748 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:43:16,748 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:43:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-29 02:43:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 382 transitions. [2020-07-29 02:43:16,759 INFO L711 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2020-07-29 02:43:16,759 INFO L591 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2020-07-29 02:43:16,759 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 02:43:16,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 382 transitions. [2020-07-29 02:43:16,763 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 192 [2020-07-29 02:43:16,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:43:16,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:43:16,764 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 02:43:16,764 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:43:16,764 INFO L794 eck$LassoCheckResult]: Stem: 1195#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; 1177#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 1178#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1171#L73 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 1172#L527 assume 0 != main_~tmp~4; 1154#L504 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1155#L565-1 [2020-07-29 02:43:16,765 INFO L796 eck$LassoCheckResult]: Loop: 1155#L565-1 assume !false; 1329#L297 assume test_~splverifierCounter~0 < 4; 1244#L298 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 1245#L306 assume !(0 != test_~tmp~3); 1212#L306-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 1225#L316 assume !(0 != test_~tmp___0~1); 1226#L316-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1198#L326 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1199#L334-1 assume !(0 != ~pumpRunning~0); 1191#L97 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 1223#L129 assume !(0 != ~pumpRunning~0); 1204#L104 havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 1335#L399 __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 1334#L559 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1333#L431 __utac_acc__Specification3_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1330#L565 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1155#L565-1 [2020-07-29 02:43:16,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:16,765 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2020-07-29 02:43:16,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:16,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795566138] [2020-07-29 02:43:16,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:16,837 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:16,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:16,881 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:43:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:16,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1884009248, now seen corresponding path program 1 times [2020-07-29 02:43:16,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:16,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434024552] [2020-07-29 02:43:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:16,887 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:16,891 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:16,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:43:16,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:43:16,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1038683270, now seen corresponding path program 1 times [2020-07-29 02:43:16,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:43:16,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221758773] [2020-07-29 02:43:16,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:43:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:16,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:43:16,966 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:43:16,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:44:04,304 WARN L193 SmtUtils]: Spent 47.15 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2020-07-29 02:44:41,233 WARN L193 SmtUtils]: Spent 36.63 s on a formula simplification that was a NOOP. DAG size: 400 [2020-07-29 02:44:41,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:44:41 BoogieIcfgContainer [2020-07-29 02:44:41,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:44:41,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:44:41,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:44:41,598 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:44:41,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:43:13" (3/4) ... [2020-07-29 02:44:41,602 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 02:44:41,658 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 02:44:41,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:44:41,661 INFO L168 Benchmark]: Toolchain (without parser) took 90191.89 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 952.2 MB in the beginning and 895.8 MB in the end (delta: 56.4 MB). Peak memory consumption was 377.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:44:41,661 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:44:41,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:44:41,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:44:41,664 INFO L168 Benchmark]: Boogie Preprocessor took 92.45 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. [2020-07-29 02:44:41,664 INFO L168 Benchmark]: RCFGBuilder took 1428.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.6 MB in the end (delta: 126.7 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:44:41,665 INFO L168 Benchmark]: BuchiAutomizer took 87750.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 977.6 MB in the beginning and 905.3 MB in the end (delta: 72.2 MB). Peak memory consumption was 345.9 MB. Max. memory is 11.5 GB. [2020-07-29 02:44:41,665 INFO L168 Benchmark]: Witness Printer took 61.12 ms. Allocated memory is still 1.4 GB. Free memory was 905.3 MB in the beginning and 895.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:44:41,669 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 748.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.00 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.45 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 1428.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.6 MB in the end (delta: 126.7 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 87750.63 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 977.6 MB in the beginning and 905.3 MB in the end (delta: 72.2 MB). Peak memory consumption was 345.9 MB. Max. memory is 11.5 GB. * Witness Printer took 61.12 ms. Allocated memory is still 1.4 GB. Free memory was 905.3 MB in the beginning and 895.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 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 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 5 locations. The remainder module has 270 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 87.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 85.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 270 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 258 SDtfs, 499 SDslu, 532 SDs, 0 SdLazy, 53 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 296]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=48595, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3801ea37=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53792e7a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77d7e483=0, NULL=1, NULL=48582, NULL=48593, NULL=0, NULL=0, retValue_acc=0, NULL=48594, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=48583, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1474a192=0, NULL=48577, cleanupTimeShifts=4, NULL=48581, tmp=0, NULL=48580, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, NULL=48585, \result=1, NULL=0, NULL=0, NULL=18183, retValue_acc=0, NULL=48591, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@454cfec1=0, NULL=18185, \result=0, tmp=1, NULL=0, NULL=18184, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c5d07b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5720c368=53, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31a9e85=0, NULL=48592, NULL=48576, NULL=0, NULL=48586, retValue_acc=1, retValue_acc=1, tmp___2=53, NULL=48587, tmp___0=0, NULL=18182, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=48589, NULL=48578, tmp=0, NULL=48590, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28a13ca4=0, head=0, NULL=0, NULL=0, NULL=48579, NULL=48584, NULL=0, NULL=0, NULL=48588, NULL=48596} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int retValue_acc ; [L519] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] splverifierCounter = 0 Loop: [L296] COND TRUE 1 [L298] COND TRUE splverifierCounter < 4 [L304] tmp = __VERIFIER_nondet_int() [L306] COND FALSE !(\read(tmp)) [L314] tmp___0 = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp___0)) [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND TRUE \read(tmp___2) [L278] systemActive = 1 [L97] COND FALSE !(\read(pumpRunning)) [L104] COND TRUE \read(systemActive) [L126] int tmp ; [L129] COND FALSE !(\read(pumpRunning)) [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] return (retValue_acc); [L557] tmp = isMethaneLevelCritical() [L559] COND FALSE !(\read(tmp)) [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] return (retValue_acc); [L563] tmp___0 = getWaterLevel() [L565] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...