./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d6f6f11832d8f580d186172cf5d58d3f276ea91 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:27,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:27,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:27,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:27,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:27,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:27,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:27,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:27,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:27,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:27,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:27,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:27,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:27,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:27,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:27,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:27,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:27,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:27,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:27,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:27,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:27,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:27,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:27,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:27,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:27,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:27,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:27,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:27,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:27,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:27,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:27,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:27,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:27,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:27,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:27,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:27,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:27,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:27,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:27,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:27,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:27,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:27,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:27,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:27,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:27,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:27,525 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:27,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:27,526 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:27,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:27,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:27,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:27,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:27,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:27,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:27,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:27,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:27,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:27,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:27,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:27,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:27,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:27,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:27,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:27,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:27,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:27,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:27,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:27,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:27,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:27,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:27,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G ! call(__VERIFIER_error())) ) 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 -> 0d6f6f11832d8f580d186172cf5d58d3f276ea91 [2020-07-28 18:58:27,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:27,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:27,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:27,879 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:27,879 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:27,880 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2020-07-28 18:58:27,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35df2ba0b/2c863d2cf3394907b5255ff9b24720a1/FLAG153193ff2 [2020-07-28 18:58:28,570 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:28,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2020-07-28 18:58:28,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35df2ba0b/2c863d2cf3394907b5255ff9b24720a1/FLAG153193ff2 [2020-07-28 18:58:28,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35df2ba0b/2c863d2cf3394907b5255ff9b24720a1 [2020-07-28 18:58:28,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:28,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:28,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:28,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:28,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:28,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebfc50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28, skipping insertion in model container [2020-07-28 18:58:28,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:28,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:29,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:29,283 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:29,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:29,413 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:29,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29 WrapperNode [2020-07-28 18:58:29,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:29,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:29,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:29,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:29,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:29,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:29,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:29,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:29,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (1/1) ... [2020-07-28 18:58:29,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:29,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:29,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:29,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:29,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:31,549 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:31,549 INFO L295 CfgBuilder]: Removed 160 assume(true) statements. [2020-07-28 18:58:31,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:31 BoogieIcfgContainer [2020-07-28 18:58:31,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:31,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:31,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:31,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:31,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:28" (1/3) ... [2020-07-28 18:58:31,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46032fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:31, skipping insertion in model container [2020-07-28 18:58:31,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:29" (2/3) ... [2020-07-28 18:58:31,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46032fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:31, skipping insertion in model container [2020-07-28 18:58:31,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:31" (3/3) ... [2020-07-28 18:58:31,567 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product51.cil.c [2020-07-28 18:58:31,579 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:31,589 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:31,604 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:31,630 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:31,630 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:31,631 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:31,631 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:31,632 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:31,632 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:31,632 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:31,632 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-07-28 18:58:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:31,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:31,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:31,662 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:31,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1844308238, now seen corresponding path program 1 times [2020-07-28 18:58:31,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:31,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304944840] [2020-07-28 18:58:31,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:32,105 INFO L280 TraceCheckUtils]: 0: Hoare triple {122#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {122#true} is VALID [2020-07-28 18:58:32,106 INFO L280 TraceCheckUtils]: 1: Hoare triple {122#true} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {122#true} is VALID [2020-07-28 18:58:32,108 INFO L280 TraceCheckUtils]: 2: Hoare triple {122#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {122#true} is VALID [2020-07-28 18:58:32,109 INFO L280 TraceCheckUtils]: 3: Hoare triple {122#true} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {122#true} is VALID [2020-07-28 18:58:32,111 INFO L280 TraceCheckUtils]: 4: Hoare triple {122#true} assume 0 != main_~tmp~9; {122#true} is VALID [2020-07-28 18:58:32,114 INFO L280 TraceCheckUtils]: 5: Hoare triple {122#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {122#true} is VALID [2020-07-28 18:58:32,132 INFO L280 TraceCheckUtils]: 6: Hoare triple {122#true} assume !true; {123#false} is VALID [2020-07-28 18:58:32,132 INFO L280 TraceCheckUtils]: 7: Hoare triple {123#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {123#false} is VALID [2020-07-28 18:58:32,133 INFO L280 TraceCheckUtils]: 8: Hoare triple {123#false} assume !(0 != ~pumpRunning~0); {123#false} is VALID [2020-07-28 18:58:32,133 INFO L280 TraceCheckUtils]: 9: Hoare triple {123#false} assume !(0 != ~systemActive~0); {123#false} is VALID [2020-07-28 18:58:32,134 INFO L280 TraceCheckUtils]: 10: Hoare triple {123#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {123#false} is VALID [2020-07-28 18:58:32,135 INFO L280 TraceCheckUtils]: 11: Hoare triple {123#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {123#false} is VALID [2020-07-28 18:58:32,135 INFO L280 TraceCheckUtils]: 12: Hoare triple {123#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {123#false} is VALID [2020-07-28 18:58:32,136 INFO L280 TraceCheckUtils]: 13: Hoare triple {123#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {123#false} is VALID [2020-07-28 18:58:32,137 INFO L280 TraceCheckUtils]: 14: Hoare triple {123#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {123#false} is VALID [2020-07-28 18:58:32,137 INFO L280 TraceCheckUtils]: 15: Hoare triple {123#false} assume !false; {123#false} is VALID [2020-07-28 18:58:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:32,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304944840] [2020-07-28 18:58:32,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:32,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:32,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899876617] [2020-07-28 18:58:32,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:32,164 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:32,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:32,250 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:32,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:32,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:32,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:32,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:32,264 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-07-28 18:58:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,680 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2020-07-28 18:58:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:32,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:32,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2020-07-28 18:58:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2020-07-28 18:58:32,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 353 transitions. [2020-07-28 18:58:33,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,246 INFO L225 Difference]: With dead ends: 232 [2020-07-28 18:58:33,246 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 18:58:33,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 18:58:33,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-28 18:58:33,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:33,323 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 115 states. [2020-07-28 18:58:33,323 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 115 states. [2020-07-28 18:58:33,324 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 115 states. [2020-07-28 18:58:33,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,333 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 18:58:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 18:58:33,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,335 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 115 states. [2020-07-28 18:58:33,335 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 115 states. [2020-07-28 18:58:33,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,343 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 18:58:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 18:58:33,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,345 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:33,346 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-28 18:58:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-07-28 18:58:33,355 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-07-28 18:58:33,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:33,355 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-07-28 18:58:33,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-07-28 18:58:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:33,357 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:33,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:33,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:33,357 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:33,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:33,358 INFO L82 PathProgramCache]: Analyzing trace with hash -323074868, now seen corresponding path program 1 times [2020-07-28 18:58:33,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:33,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379471290] [2020-07-28 18:58:33,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:33,522 INFO L280 TraceCheckUtils]: 0: Hoare triple {830#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {830#true} is VALID [2020-07-28 18:58:33,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {830#true} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {830#true} is VALID [2020-07-28 18:58:33,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {830#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {830#true} is VALID [2020-07-28 18:58:33,523 INFO L280 TraceCheckUtils]: 3: Hoare triple {830#true} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {830#true} is VALID [2020-07-28 18:58:33,523 INFO L280 TraceCheckUtils]: 4: Hoare triple {830#true} assume 0 != main_~tmp~9; {830#true} is VALID [2020-07-28 18:58:33,524 INFO L280 TraceCheckUtils]: 5: Hoare triple {830#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:33,525 INFO L280 TraceCheckUtils]: 6: Hoare triple {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:33,526 INFO L280 TraceCheckUtils]: 7: Hoare triple {832#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {831#false} is VALID [2020-07-28 18:58:33,527 INFO L280 TraceCheckUtils]: 8: Hoare triple {831#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {831#false} is VALID [2020-07-28 18:58:33,527 INFO L280 TraceCheckUtils]: 9: Hoare triple {831#false} assume !(0 != ~pumpRunning~0); {831#false} is VALID [2020-07-28 18:58:33,527 INFO L280 TraceCheckUtils]: 10: Hoare triple {831#false} assume !(0 != ~systemActive~0); {831#false} is VALID [2020-07-28 18:58:33,528 INFO L280 TraceCheckUtils]: 11: Hoare triple {831#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {831#false} is VALID [2020-07-28 18:58:33,528 INFO L280 TraceCheckUtils]: 12: Hoare triple {831#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {831#false} is VALID [2020-07-28 18:58:33,528 INFO L280 TraceCheckUtils]: 13: Hoare triple {831#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {831#false} is VALID [2020-07-28 18:58:33,528 INFO L280 TraceCheckUtils]: 14: Hoare triple {831#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {831#false} is VALID [2020-07-28 18:58:33,529 INFO L280 TraceCheckUtils]: 15: Hoare triple {831#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {831#false} is VALID [2020-07-28 18:58:33,529 INFO L280 TraceCheckUtils]: 16: Hoare triple {831#false} assume !false; {831#false} is VALID [2020-07-28 18:58:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:33,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379471290] [2020-07-28 18:58:33,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:33,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:33,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364567381] [2020-07-28 18:58:33,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:33,534 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:33,534 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:33,564 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:33,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:33,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:33,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:33,565 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-07-28 18:58:33,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,838 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-07-28 18:58:33,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:33,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 18:58:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 18:58:33,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 168 transitions. [2020-07-28 18:58:34,092 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,095 INFO L225 Difference]: With dead ends: 115 [2020-07-28 18:58:34,097 INFO L226 Difference]: Without dead ends: 49 [2020-07-28 18:58:34,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:34,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-07-28 18:58:34,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-07-28 18:58:34,121 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:34,121 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 49 states. [2020-07-28 18:58:34,121 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 18:58:34,122 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 18:58:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,124 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 18:58:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 18:58:34,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:34,125 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:34,125 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 49 states. [2020-07-28 18:58:34,125 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 49 states. [2020-07-28 18:58:34,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,128 INFO L93 Difference]: Finished difference Result 49 states and 71 transitions. [2020-07-28 18:58:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 18:58:34,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:34,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:34,129 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:34,129 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-28 18:58:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-07-28 18:58:34,131 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-07-28 18:58:34,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:34,132 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-07-28 18:58:34,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:34,132 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-07-28 18:58:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:34,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:34,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:34,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:34,134 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:34,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:34,134 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2020-07-28 18:58:34,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:34,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563029851] [2020-07-28 18:58:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:34,234 INFO L280 TraceCheckUtils]: 0: Hoare triple {1157#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,236 INFO L280 TraceCheckUtils]: 1: Hoare triple {1159#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,237 INFO L280 TraceCheckUtils]: 2: Hoare triple {1159#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,239 INFO L280 TraceCheckUtils]: 3: Hoare triple {1159#(= 1 ~systemActive~0)} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,242 INFO L280 TraceCheckUtils]: 4: Hoare triple {1159#(= 1 ~systemActive~0)} assume 0 != main_~tmp~9; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,243 INFO L280 TraceCheckUtils]: 5: Hoare triple {1159#(= 1 ~systemActive~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,244 INFO L280 TraceCheckUtils]: 6: Hoare triple {1159#(= 1 ~systemActive~0)} assume !false; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,245 INFO L280 TraceCheckUtils]: 7: Hoare triple {1159#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,246 INFO L280 TraceCheckUtils]: 8: Hoare triple {1159#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,247 INFO L280 TraceCheckUtils]: 9: Hoare triple {1159#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~0); {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,248 INFO L280 TraceCheckUtils]: 10: Hoare triple {1159#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,249 INFO L280 TraceCheckUtils]: 11: Hoare triple {1159#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0); {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,250 INFO L280 TraceCheckUtils]: 12: Hoare triple {1159#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,251 INFO L280 TraceCheckUtils]: 13: Hoare triple {1159#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,252 INFO L280 TraceCheckUtils]: 14: Hoare triple {1159#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1159#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:34,253 INFO L280 TraceCheckUtils]: 15: Hoare triple {1159#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1158#false} is VALID [2020-07-28 18:58:34,254 INFO L280 TraceCheckUtils]: 16: Hoare triple {1158#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1158#false} is VALID [2020-07-28 18:58:34,254 INFO L280 TraceCheckUtils]: 17: Hoare triple {1158#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {1158#false} is VALID [2020-07-28 18:58:34,254 INFO L280 TraceCheckUtils]: 18: Hoare triple {1158#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1158#false} is VALID [2020-07-28 18:58:34,255 INFO L280 TraceCheckUtils]: 19: Hoare triple {1158#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {1158#false} is VALID [2020-07-28 18:58:34,255 INFO L280 TraceCheckUtils]: 20: Hoare triple {1158#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1158#false} is VALID [2020-07-28 18:58:34,255 INFO L280 TraceCheckUtils]: 21: Hoare triple {1158#false} assume !false; {1158#false} is VALID [2020-07-28 18:58:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:34,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563029851] [2020-07-28 18:58:34,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:34,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:34,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015828749] [2020-07-28 18:58:34,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:34,261 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:34,261 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:34,295 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:34,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:34,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:34,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:34,296 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-07-28 18:58:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,525 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2020-07-28 18:58:34,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:34,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-07-28 18:58:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2020-07-28 18:58:34,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 201 transitions. [2020-07-28 18:58:34,734 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,737 INFO L225 Difference]: With dead ends: 135 [2020-07-28 18:58:34,737 INFO L226 Difference]: Without dead ends: 92 [2020-07-28 18:58:34,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:34,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-28 18:58:34,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2020-07-28 18:58:34,794 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:34,794 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 88 states. [2020-07-28 18:58:34,794 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 88 states. [2020-07-28 18:58:34,794 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 88 states. [2020-07-28 18:58:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,798 INFO L93 Difference]: Finished difference Result 92 states and 135 transitions. [2020-07-28 18:58:34,798 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2020-07-28 18:58:34,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:34,799 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:34,799 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 92 states. [2020-07-28 18:58:34,800 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 92 states. [2020-07-28 18:58:34,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,803 INFO L93 Difference]: Finished difference Result 92 states and 135 transitions. [2020-07-28 18:58:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2020-07-28 18:58:34,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:34,804 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:34,804 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:34,804 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-07-28 18:58:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2020-07-28 18:58:34,808 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 22 [2020-07-28 18:58:34,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:34,808 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2020-07-28 18:58:34,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-07-28 18:58:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:34,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:34,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:34,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:34,810 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:34,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:34,810 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2020-07-28 18:58:34,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:34,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297767540] [2020-07-28 18:58:34,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:34,905 INFO L280 TraceCheckUtils]: 0: Hoare triple {1649#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,905 INFO L280 TraceCheckUtils]: 1: Hoare triple {1651#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,906 INFO L280 TraceCheckUtils]: 2: Hoare triple {1651#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,906 INFO L280 TraceCheckUtils]: 3: Hoare triple {1651#(= 0 ~pumpRunning~0)} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,907 INFO L280 TraceCheckUtils]: 4: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~9; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,908 INFO L280 TraceCheckUtils]: 5: Hoare triple {1651#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,910 INFO L280 TraceCheckUtils]: 6: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !false; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,911 INFO L280 TraceCheckUtils]: 7: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,913 INFO L280 TraceCheckUtils]: 8: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,914 INFO L280 TraceCheckUtils]: 9: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,915 INFO L280 TraceCheckUtils]: 10: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,915 INFO L280 TraceCheckUtils]: 11: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,916 INFO L280 TraceCheckUtils]: 12: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,916 INFO L280 TraceCheckUtils]: 13: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,917 INFO L280 TraceCheckUtils]: 14: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,917 INFO L280 TraceCheckUtils]: 15: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,918 INFO L280 TraceCheckUtils]: 16: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {1651#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:34,918 INFO L280 TraceCheckUtils]: 17: Hoare triple {1651#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1650#false} is VALID [2020-07-28 18:58:34,919 INFO L280 TraceCheckUtils]: 18: Hoare triple {1650#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1650#false} is VALID [2020-07-28 18:58:34,919 INFO L280 TraceCheckUtils]: 19: Hoare triple {1650#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {1650#false} is VALID [2020-07-28 18:58:34,919 INFO L280 TraceCheckUtils]: 20: Hoare triple {1650#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1650#false} is VALID [2020-07-28 18:58:34,919 INFO L280 TraceCheckUtils]: 21: Hoare triple {1650#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {1650#false} is VALID [2020-07-28 18:58:34,919 INFO L280 TraceCheckUtils]: 22: Hoare triple {1650#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1650#false} is VALID [2020-07-28 18:58:34,920 INFO L280 TraceCheckUtils]: 23: Hoare triple {1650#false} assume !false; {1650#false} is VALID [2020-07-28 18:58:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:34,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297767540] [2020-07-28 18:58:34,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:34,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:34,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974929073] [2020-07-28 18:58:34,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:34,922 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:34,922 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:34,963 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:34,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:34,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:34,964 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2020-07-28 18:58:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,313 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2020-07-28 18:58:35,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:35,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2020-07-28 18:58:35,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2020-07-28 18:58:35,318 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 169 transitions. [2020-07-28 18:58:35,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:35,517 INFO L225 Difference]: With dead ends: 211 [2020-07-28 18:58:35,517 INFO L226 Difference]: Without dead ends: 129 [2020-07-28 18:58:35,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:35,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-28 18:58:35,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2020-07-28 18:58:35,591 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:35,591 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand 127 states. [2020-07-28 18:58:35,591 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand 127 states. [2020-07-28 18:58:35,591 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 127 states. [2020-07-28 18:58:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,596 INFO L93 Difference]: Finished difference Result 129 states and 186 transitions. [2020-07-28 18:58:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2020-07-28 18:58:35,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:35,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:35,597 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 129 states. [2020-07-28 18:58:35,597 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 129 states. [2020-07-28 18:58:35,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,602 INFO L93 Difference]: Finished difference Result 129 states and 186 transitions. [2020-07-28 18:58:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 186 transitions. [2020-07-28 18:58:35,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:35,603 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:35,603 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:35,603 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-28 18:58:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2020-07-28 18:58:35,609 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 24 [2020-07-28 18:58:35,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:35,609 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2020-07-28 18:58:35,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:35,609 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-07-28 18:58:35,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:35,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:35,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:35,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:35,611 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:35,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:35,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2020-07-28 18:58:35,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:35,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629285259] [2020-07-28 18:58:35,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:35,688 INFO L280 TraceCheckUtils]: 0: Hoare triple {2375#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,689 INFO L280 TraceCheckUtils]: 1: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,689 INFO L280 TraceCheckUtils]: 2: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,690 INFO L280 TraceCheckUtils]: 3: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,691 INFO L280 TraceCheckUtils]: 4: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~9; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,691 INFO L280 TraceCheckUtils]: 5: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,692 INFO L280 TraceCheckUtils]: 6: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !false; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,693 INFO L280 TraceCheckUtils]: 7: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,693 INFO L280 TraceCheckUtils]: 8: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,694 INFO L280 TraceCheckUtils]: 9: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~0); {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,694 INFO L280 TraceCheckUtils]: 10: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,695 INFO L280 TraceCheckUtils]: 11: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,696 INFO L280 TraceCheckUtils]: 12: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,697 INFO L280 TraceCheckUtils]: 13: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,697 INFO L280 TraceCheckUtils]: 14: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,698 INFO L280 TraceCheckUtils]: 15: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,698 INFO L280 TraceCheckUtils]: 16: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,699 INFO L280 TraceCheckUtils]: 17: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,700 INFO L280 TraceCheckUtils]: 18: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {2377#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,700 INFO L280 TraceCheckUtils]: 19: Hoare triple {2377#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2378#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:35,701 INFO L280 TraceCheckUtils]: 20: Hoare triple {2378#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {2379#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~8 0)} is VALID [2020-07-28 18:58:35,702 INFO L280 TraceCheckUtils]: 21: Hoare triple {2379#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~8 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2376#false} is VALID [2020-07-28 18:58:35,702 INFO L280 TraceCheckUtils]: 22: Hoare triple {2376#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {2376#false} is VALID [2020-07-28 18:58:35,703 INFO L280 TraceCheckUtils]: 23: Hoare triple {2376#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {2376#false} is VALID [2020-07-28 18:58:35,703 INFO L280 TraceCheckUtils]: 24: Hoare triple {2376#false} assume !false; {2376#false} is VALID [2020-07-28 18:58:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:35,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629285259] [2020-07-28 18:58:35,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:35,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:35,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352659912] [2020-07-28 18:58:35,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:35,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:35,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:35,741 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:35,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:35,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:35,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:35,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:35,742 INFO L87 Difference]: Start difference. First operand 127 states and 185 transitions. Second operand 5 states. [2020-07-28 18:58:37,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,011 INFO L93 Difference]: Finished difference Result 683 states and 1014 transitions. [2020-07-28 18:58:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:37,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:37,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 398 transitions. [2020-07-28 18:58:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 398 transitions. [2020-07-28 18:58:37,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 398 transitions. [2020-07-28 18:58:37,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 398 edges. 398 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,507 INFO L225 Difference]: With dead ends: 683 [2020-07-28 18:58:37,507 INFO L226 Difference]: Without dead ends: 562 [2020-07-28 18:58:37,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:37,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-07-28 18:58:37,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 238. [2020-07-28 18:58:37,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:37,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 562 states. Second operand 238 states. [2020-07-28 18:58:37,743 INFO L74 IsIncluded]: Start isIncluded. First operand 562 states. Second operand 238 states. [2020-07-28 18:58:37,744 INFO L87 Difference]: Start difference. First operand 562 states. Second operand 238 states. [2020-07-28 18:58:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,771 INFO L93 Difference]: Finished difference Result 562 states and 826 transitions. [2020-07-28 18:58:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 826 transitions. [2020-07-28 18:58:37,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,773 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,773 INFO L74 IsIncluded]: Start isIncluded. First operand 238 states. Second operand 562 states. [2020-07-28 18:58:37,773 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 562 states. [2020-07-28 18:58:37,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,800 INFO L93 Difference]: Finished difference Result 562 states and 826 transitions. [2020-07-28 18:58:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 826 transitions. [2020-07-28 18:58:37,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,802 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:37,802 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-28 18:58:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 343 transitions. [2020-07-28 18:58:37,812 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 343 transitions. Word has length 25 [2020-07-28 18:58:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:37,812 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 343 transitions. [2020-07-28 18:58:37,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 343 transitions. [2020-07-28 18:58:37,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:58:37,813 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:37,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:37,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:37,813 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:37,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1807956406, now seen corresponding path program 1 times [2020-07-28 18:58:37,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:37,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796149756] [2020-07-28 18:58:37,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:37,894 INFO L280 TraceCheckUtils]: 0: Hoare triple {4784#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,894 INFO L280 TraceCheckUtils]: 1: Hoare triple {4786#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,895 INFO L280 TraceCheckUtils]: 2: Hoare triple {4786#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,901 INFO L280 TraceCheckUtils]: 3: Hoare triple {4786#(= 0 ~pumpRunning~0)} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,902 INFO L280 TraceCheckUtils]: 4: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~9; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,902 INFO L280 TraceCheckUtils]: 5: Hoare triple {4786#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,903 INFO L280 TraceCheckUtils]: 6: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !false; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,904 INFO L280 TraceCheckUtils]: 7: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,904 INFO L280 TraceCheckUtils]: 8: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,905 INFO L280 TraceCheckUtils]: 9: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,905 INFO L280 TraceCheckUtils]: 10: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,906 INFO L280 TraceCheckUtils]: 11: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,907 INFO L280 TraceCheckUtils]: 12: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,907 INFO L280 TraceCheckUtils]: 13: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,908 INFO L280 TraceCheckUtils]: 14: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,909 INFO L280 TraceCheckUtils]: 15: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,924 INFO L280 TraceCheckUtils]: 16: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,925 INFO L280 TraceCheckUtils]: 17: Hoare triple {4786#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,925 INFO L280 TraceCheckUtils]: 18: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,926 INFO L280 TraceCheckUtils]: 19: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,926 INFO L280 TraceCheckUtils]: 20: Hoare triple {4786#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,927 INFO L280 TraceCheckUtils]: 21: Hoare triple {4786#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {4786#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,927 INFO L280 TraceCheckUtils]: 22: Hoare triple {4786#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {4787#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:37,928 INFO L280 TraceCheckUtils]: 23: Hoare triple {4787#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {4788#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} is VALID [2020-07-28 18:58:37,930 INFO L280 TraceCheckUtils]: 24: Hoare triple {4788#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {4785#false} is VALID [2020-07-28 18:58:37,930 INFO L280 TraceCheckUtils]: 25: Hoare triple {4785#false} assume !false; {4785#false} is VALID [2020-07-28 18:58:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:37,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796149756] [2020-07-28 18:58:37,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:37,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:37,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449875687] [2020-07-28 18:58:37,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:37,934 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:37,934 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:37,973 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:37,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:37,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:37,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:37,975 INFO L87 Difference]: Start difference. First operand 238 states and 343 transitions. Second operand 5 states. [2020-07-28 18:58:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,573 INFO L93 Difference]: Finished difference Result 684 states and 990 transitions. [2020-07-28 18:58:39,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:39,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:39,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 283 transitions. [2020-07-28 18:58:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 283 transitions. [2020-07-28 18:58:39,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 283 transitions. [2020-07-28 18:58:39,900 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 283 edges. 283 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,927 INFO L225 Difference]: With dead ends: 684 [2020-07-28 18:58:39,927 INFO L226 Difference]: Without dead ends: 682 [2020-07-28 18:58:39,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:39,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-07-28 18:58:40,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 238. [2020-07-28 18:58:40,198 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:40,198 INFO L82 GeneralOperation]: Start isEquivalent. First operand 682 states. Second operand 238 states. [2020-07-28 18:58:40,198 INFO L74 IsIncluded]: Start isIncluded. First operand 682 states. Second operand 238 states. [2020-07-28 18:58:40,198 INFO L87 Difference]: Start difference. First operand 682 states. Second operand 238 states. [2020-07-28 18:58:40,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,225 INFO L93 Difference]: Finished difference Result 682 states and 987 transitions. [2020-07-28 18:58:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 987 transitions. [2020-07-28 18:58:40,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,227 INFO L74 IsIncluded]: Start isIncluded. First operand 238 states. Second operand 682 states. [2020-07-28 18:58:40,227 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 682 states. [2020-07-28 18:58:40,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,253 INFO L93 Difference]: Finished difference Result 682 states and 987 transitions. [2020-07-28 18:58:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 987 transitions. [2020-07-28 18:58:40,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,254 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:40,254 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-28 18:58:40,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 341 transitions. [2020-07-28 18:58:40,261 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 341 transitions. Word has length 26 [2020-07-28 18:58:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:40,261 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 341 transitions. [2020-07-28 18:58:40,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 341 transitions. [2020-07-28 18:58:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:40,262 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:40,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:40,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:40,263 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:40,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:40,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1131451540, now seen corresponding path program 1 times [2020-07-28 18:58:40,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:40,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116295944] [2020-07-28 18:58:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,331 INFO L280 TraceCheckUtils]: 0: Hoare triple {7435#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {7435#true} is VALID [2020-07-28 18:58:40,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {7435#true} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {7435#true} is VALID [2020-07-28 18:58:40,331 INFO L280 TraceCheckUtils]: 2: Hoare triple {7435#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {7435#true} is VALID [2020-07-28 18:58:40,332 INFO L280 TraceCheckUtils]: 3: Hoare triple {7435#true} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {7435#true} is VALID [2020-07-28 18:58:40,332 INFO L280 TraceCheckUtils]: 4: Hoare triple {7435#true} assume 0 != main_~tmp~9; {7435#true} is VALID [2020-07-28 18:58:40,332 INFO L280 TraceCheckUtils]: 5: Hoare triple {7435#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7435#true} is VALID [2020-07-28 18:58:40,332 INFO L280 TraceCheckUtils]: 6: Hoare triple {7435#true} assume !false; {7435#true} is VALID [2020-07-28 18:58:40,333 INFO L280 TraceCheckUtils]: 7: Hoare triple {7435#true} assume test_~splverifierCounter~0 < 4; {7435#true} is VALID [2020-07-28 18:58:40,333 INFO L280 TraceCheckUtils]: 8: Hoare triple {7435#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {7435#true} is VALID [2020-07-28 18:58:40,333 INFO L280 TraceCheckUtils]: 9: Hoare triple {7435#true} assume !(0 != test_~tmp~0); {7435#true} is VALID [2020-07-28 18:58:40,333 INFO L280 TraceCheckUtils]: 10: Hoare triple {7435#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {7435#true} is VALID [2020-07-28 18:58:40,333 INFO L280 TraceCheckUtils]: 11: Hoare triple {7435#true} assume 0 != test_~tmp___0~0; {7435#true} is VALID [2020-07-28 18:58:40,334 INFO L280 TraceCheckUtils]: 12: Hoare triple {7435#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7435#true} is VALID [2020-07-28 18:58:40,334 INFO L280 TraceCheckUtils]: 13: Hoare triple {7435#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {7435#true} is VALID [2020-07-28 18:58:40,334 INFO L280 TraceCheckUtils]: 14: Hoare triple {7435#true} assume 0 != test_~tmp___2~0; {7435#true} is VALID [2020-07-28 18:58:40,334 INFO L280 TraceCheckUtils]: 15: Hoare triple {7435#true} assume !(0 != ~pumpRunning~0); {7435#true} is VALID [2020-07-28 18:58:40,335 INFO L280 TraceCheckUtils]: 16: Hoare triple {7435#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7435#true} is VALID [2020-07-28 18:58:40,335 INFO L280 TraceCheckUtils]: 17: Hoare triple {7435#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {7435#true} is VALID [2020-07-28 18:58:40,335 INFO L280 TraceCheckUtils]: 18: Hoare triple {7435#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {7435#true} is VALID [2020-07-28 18:58:40,335 INFO L280 TraceCheckUtils]: 19: Hoare triple {7435#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {7435#true} is VALID [2020-07-28 18:58:40,336 INFO L280 TraceCheckUtils]: 20: Hoare triple {7435#true} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {7435#true} is VALID [2020-07-28 18:58:40,336 INFO L280 TraceCheckUtils]: 21: Hoare triple {7435#true} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {7437#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:40,337 INFO L280 TraceCheckUtils]: 22: Hoare triple {7437#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {7438#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:40,338 INFO L280 TraceCheckUtils]: 23: Hoare triple {7438#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret4 && processEnvironment__wrappee__highWaterSensor_#t~ret4 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; {7439#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} is VALID [2020-07-28 18:58:40,339 INFO L280 TraceCheckUtils]: 24: Hoare triple {7439#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {7436#false} is VALID [2020-07-28 18:58:40,339 INFO L280 TraceCheckUtils]: 25: Hoare triple {7436#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {7436#false} is VALID [2020-07-28 18:58:40,339 INFO L280 TraceCheckUtils]: 26: Hoare triple {7436#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {7436#false} is VALID [2020-07-28 18:58:40,339 INFO L280 TraceCheckUtils]: 27: Hoare triple {7436#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {7436#false} is VALID [2020-07-28 18:58:40,340 INFO L280 TraceCheckUtils]: 28: Hoare triple {7436#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {7436#false} is VALID [2020-07-28 18:58:40,340 INFO L280 TraceCheckUtils]: 29: Hoare triple {7436#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {7436#false} is VALID [2020-07-28 18:58:40,340 INFO L280 TraceCheckUtils]: 30: Hoare triple {7436#false} assume !false; {7436#false} is VALID [2020-07-28 18:58:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:40,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116295944] [2020-07-28 18:58:40,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:40,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:40,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956046288] [2020-07-28 18:58:40,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:40,343 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:40,343 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:40,383 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:40,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:40,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:40,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:40,384 INFO L87 Difference]: Start difference. First operand 238 states and 341 transitions. Second operand 5 states. [2020-07-28 18:58:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,693 INFO L93 Difference]: Finished difference Result 650 states and 916 transitions. [2020-07-28 18:58:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:41,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:41,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2020-07-28 18:58:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 201 transitions. [2020-07-28 18:58:41,700 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 201 transitions. [2020-07-28 18:58:41,918 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,934 INFO L225 Difference]: With dead ends: 650 [2020-07-28 18:58:41,934 INFO L226 Difference]: Without dead ends: 418 [2020-07-28 18:58:41,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:41,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-07-28 18:58:42,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 262. [2020-07-28 18:58:42,320 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:42,320 INFO L82 GeneralOperation]: Start isEquivalent. First operand 418 states. Second operand 262 states. [2020-07-28 18:58:42,320 INFO L74 IsIncluded]: Start isIncluded. First operand 418 states. Second operand 262 states. [2020-07-28 18:58:42,320 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 262 states. [2020-07-28 18:58:42,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,335 INFO L93 Difference]: Finished difference Result 418 states and 573 transitions. [2020-07-28 18:58:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 573 transitions. [2020-07-28 18:58:42,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,336 INFO L74 IsIncluded]: Start isIncluded. First operand 262 states. Second operand 418 states. [2020-07-28 18:58:42,336 INFO L87 Difference]: Start difference. First operand 262 states. Second operand 418 states. [2020-07-28 18:58:42,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,351 INFO L93 Difference]: Finished difference Result 418 states and 573 transitions. [2020-07-28 18:58:42,351 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 573 transitions. [2020-07-28 18:58:42,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:42,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-28 18:58:42,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2020-07-28 18:58:42,361 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 31 [2020-07-28 18:58:42,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:42,361 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2020-07-28 18:58:42,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2020-07-28 18:58:42,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:42,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:42,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:42,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:42,363 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:42,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:42,363 INFO L82 PathProgramCache]: Analyzing trace with hash 738424530, now seen corresponding path program 1 times [2020-07-28 18:58:42,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:42,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489712335] [2020-07-28 18:58:42,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:42,457 INFO L280 TraceCheckUtils]: 0: Hoare triple {9540#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,459 INFO L280 TraceCheckUtils]: 1: Hoare triple {9542#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,460 INFO L280 TraceCheckUtils]: 2: Hoare triple {9542#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,460 INFO L280 TraceCheckUtils]: 3: Hoare triple {9542#(= 1 ~systemActive~0)} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,462 INFO L280 TraceCheckUtils]: 4: Hoare triple {9542#(= 1 ~systemActive~0)} assume 0 != main_~tmp~9; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,463 INFO L280 TraceCheckUtils]: 5: Hoare triple {9542#(= 1 ~systemActive~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,465 INFO L280 TraceCheckUtils]: 6: Hoare triple {9542#(= 1 ~systemActive~0)} assume !false; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,467 INFO L280 TraceCheckUtils]: 7: Hoare triple {9542#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,469 INFO L280 TraceCheckUtils]: 8: Hoare triple {9542#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,471 INFO L280 TraceCheckUtils]: 9: Hoare triple {9542#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~0); {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {9542#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,474 INFO L280 TraceCheckUtils]: 11: Hoare triple {9542#(= 1 ~systemActive~0)} assume 0 != test_~tmp___0~0; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,475 INFO L280 TraceCheckUtils]: 12: Hoare triple {9542#(= 1 ~systemActive~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,476 INFO L280 TraceCheckUtils]: 13: Hoare triple {9542#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,477 INFO L280 TraceCheckUtils]: 14: Hoare triple {9542#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,478 INFO L280 TraceCheckUtils]: 15: Hoare triple {9542#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {9542#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,478 INFO L280 TraceCheckUtils]: 16: Hoare triple {9542#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {9540#true} is VALID [2020-07-28 18:58:42,479 INFO L280 TraceCheckUtils]: 17: Hoare triple {9540#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {9540#true} is VALID [2020-07-28 18:58:42,479 INFO L280 TraceCheckUtils]: 18: Hoare triple {9540#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {9540#true} is VALID [2020-07-28 18:58:42,480 INFO L280 TraceCheckUtils]: 19: Hoare triple {9540#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {9543#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:42,481 INFO L280 TraceCheckUtils]: 20: Hoare triple {9543#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {9544#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3))} is VALID [2020-07-28 18:58:42,482 INFO L280 TraceCheckUtils]: 21: Hoare triple {9544#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3))} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {9541#false} is VALID [2020-07-28 18:58:42,482 INFO L280 TraceCheckUtils]: 22: Hoare triple {9541#false} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {9541#false} is VALID [2020-07-28 18:58:42,482 INFO L280 TraceCheckUtils]: 23: Hoare triple {9541#false} processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret4 && processEnvironment__wrappee__highWaterSensor_#t~ret4 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; {9541#false} is VALID [2020-07-28 18:58:42,482 INFO L280 TraceCheckUtils]: 24: Hoare triple {9541#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {9541#false} is VALID [2020-07-28 18:58:42,483 INFO L280 TraceCheckUtils]: 25: Hoare triple {9541#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {9541#false} is VALID [2020-07-28 18:58:42,483 INFO L280 TraceCheckUtils]: 26: Hoare triple {9541#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {9541#false} is VALID [2020-07-28 18:58:42,483 INFO L280 TraceCheckUtils]: 27: Hoare triple {9541#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {9541#false} is VALID [2020-07-28 18:58:42,483 INFO L280 TraceCheckUtils]: 28: Hoare triple {9541#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {9541#false} is VALID [2020-07-28 18:58:42,483 INFO L280 TraceCheckUtils]: 29: Hoare triple {9541#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {9541#false} is VALID [2020-07-28 18:58:42,484 INFO L280 TraceCheckUtils]: 30: Hoare triple {9541#false} assume !false; {9541#false} is VALID [2020-07-28 18:58:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:42,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489712335] [2020-07-28 18:58:42,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:42,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:42,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403079586] [2020-07-28 18:58:42,487 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:42,487 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:42,487 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:42,539 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:42,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:42,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:42,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:42,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:42,540 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand 5 states. [2020-07-28 18:58:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,197 INFO L93 Difference]: Finished difference Result 734 states and 1001 transitions. [2020-07-28 18:58:44,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:44,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 351 transitions. [2020-07-28 18:58:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 351 transitions. [2020-07-28 18:58:44,201 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 351 transitions. [2020-07-28 18:58:44,625 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 351 edges. 351 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:44,642 INFO L225 Difference]: With dead ends: 734 [2020-07-28 18:58:44,642 INFO L226 Difference]: Without dead ends: 478 [2020-07-28 18:58:44,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:44,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-07-28 18:58:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 278. [2020-07-28 18:58:45,071 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:45,072 INFO L82 GeneralOperation]: Start isEquivalent. First operand 478 states. Second operand 278 states. [2020-07-28 18:58:45,072 INFO L74 IsIncluded]: Start isIncluded. First operand 478 states. Second operand 278 states. [2020-07-28 18:58:45,072 INFO L87 Difference]: Start difference. First operand 478 states. Second operand 278 states. [2020-07-28 18:58:45,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,088 INFO L93 Difference]: Finished difference Result 478 states and 634 transitions. [2020-07-28 18:58:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 634 transitions. [2020-07-28 18:58:45,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:45,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:45,089 INFO L74 IsIncluded]: Start isIncluded. First operand 278 states. Second operand 478 states. [2020-07-28 18:58:45,090 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 478 states. [2020-07-28 18:58:45,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,103 INFO L93 Difference]: Finished difference Result 478 states and 634 transitions. [2020-07-28 18:58:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 634 transitions. [2020-07-28 18:58:45,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:45,104 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:45,104 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:45,104 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-28 18:58:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 381 transitions. [2020-07-28 18:58:45,111 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 381 transitions. Word has length 31 [2020-07-28 18:58:45,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:45,111 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 381 transitions. [2020-07-28 18:58:45,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 381 transitions. [2020-07-28 18:58:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:45,112 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:45,112 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:45,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:45,113 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:45,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:45,113 INFO L82 PathProgramCache]: Analyzing trace with hash 996589968, now seen corresponding path program 1 times [2020-07-28 18:58:45,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:45,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393270365] [2020-07-28 18:58:45,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:45,169 INFO L280 TraceCheckUtils]: 0: Hoare triple {11908#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(77, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(101, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(104, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string69.base, #t~string69.offset, 1);call write~init~int(82, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(73, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(84, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 4 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(75, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,170 INFO L280 TraceCheckUtils]: 1: Hoare triple {11910#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret63, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,171 INFO L280 TraceCheckUtils]: 2: Hoare triple {11910#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,171 INFO L280 TraceCheckUtils]: 3: Hoare triple {11910#(= 1 ~waterLevel~0)} main_#t~ret63 := valid_product_#res;assume -2147483648 <= main_#t~ret63 && main_#t~ret63 <= 2147483647;main_~tmp~9 := main_#t~ret63;havoc main_#t~ret63; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,172 INFO L280 TraceCheckUtils]: 4: Hoare triple {11910#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~9; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,172 INFO L280 TraceCheckUtils]: 5: Hoare triple {11910#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,173 INFO L280 TraceCheckUtils]: 6: Hoare triple {11910#(= 1 ~waterLevel~0)} assume !false; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,173 INFO L280 TraceCheckUtils]: 7: Hoare triple {11910#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,174 INFO L280 TraceCheckUtils]: 8: Hoare triple {11910#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,174 INFO L280 TraceCheckUtils]: 9: Hoare triple {11910#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,175 INFO L280 TraceCheckUtils]: 10: Hoare triple {11910#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,175 INFO L280 TraceCheckUtils]: 11: Hoare triple {11910#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~0; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,176 INFO L280 TraceCheckUtils]: 12: Hoare triple {11910#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,185 INFO L280 TraceCheckUtils]: 13: Hoare triple {11910#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,185 INFO L280 TraceCheckUtils]: 14: Hoare triple {11910#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,186 INFO L280 TraceCheckUtils]: 15: Hoare triple {11910#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,186 INFO L280 TraceCheckUtils]: 16: Hoare triple {11910#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,187 INFO L280 TraceCheckUtils]: 17: Hoare triple {11910#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,187 INFO L280 TraceCheckUtils]: 18: Hoare triple {11910#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {11910#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:45,188 INFO L280 TraceCheckUtils]: 19: Hoare triple {11910#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {11909#false} is VALID [2020-07-28 18:58:45,188 INFO L280 TraceCheckUtils]: 20: Hoare triple {11909#false} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {11909#false} is VALID [2020-07-28 18:58:45,188 INFO L280 TraceCheckUtils]: 21: Hoare triple {11909#false} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {11909#false} is VALID [2020-07-28 18:58:45,189 INFO L280 TraceCheckUtils]: 22: Hoare triple {11909#false} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {11909#false} is VALID [2020-07-28 18:58:45,189 INFO L280 TraceCheckUtils]: 23: Hoare triple {11909#false} processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret4 && processEnvironment__wrappee__highWaterSensor_#t~ret4 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; {11909#false} is VALID [2020-07-28 18:58:45,189 INFO L280 TraceCheckUtils]: 24: Hoare triple {11909#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {11909#false} is VALID [2020-07-28 18:58:45,189 INFO L280 TraceCheckUtils]: 25: Hoare triple {11909#false} havoc __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_~tmp~8, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~8;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {11909#false} is VALID [2020-07-28 18:58:45,190 INFO L280 TraceCheckUtils]: 26: Hoare triple {11909#false} __utac_acc__Specification1_spec__1_#t~ret61 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~8 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {11909#false} is VALID [2020-07-28 18:58:45,190 INFO L280 TraceCheckUtils]: 27: Hoare triple {11909#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {11909#false} is VALID [2020-07-28 18:58:45,190 INFO L280 TraceCheckUtils]: 28: Hoare triple {11909#false} __utac_acc__Specification1_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {11909#false} is VALID [2020-07-28 18:58:45,190 INFO L280 TraceCheckUtils]: 29: Hoare triple {11909#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {11909#false} is VALID [2020-07-28 18:58:45,190 INFO L280 TraceCheckUtils]: 30: Hoare triple {11909#false} assume !false; {11909#false} is VALID [2020-07-28 18:58:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:45,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393270365] [2020-07-28 18:58:45,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:45,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:45,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110519962] [2020-07-28 18:58:45,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:45,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:45,194 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:45,236 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:45,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:45,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:45,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:45,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:45,237 INFO L87 Difference]: Start difference. First operand 278 states and 381 transitions. Second operand 3 states. [2020-07-28 18:58:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,314 INFO L93 Difference]: Finished difference Result 654 states and 890 transitions. [2020-07-28 18:58:46,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:46,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 171 transitions. [2020-07-28 18:58:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 171 transitions. [2020-07-28 18:58:46,319 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 171 transitions. [2020-07-28 18:58:46,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,512 INFO L225 Difference]: With dead ends: 654 [2020-07-28 18:58:46,512 INFO L226 Difference]: Without dead ends: 382 [2020-07-28 18:58:46,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:46,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-07-28 18:58:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2020-07-28 18:58:47,133 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:47,133 INFO L82 GeneralOperation]: Start isEquivalent. First operand 382 states. Second operand 382 states. [2020-07-28 18:58:47,133 INFO L74 IsIncluded]: Start isIncluded. First operand 382 states. Second operand 382 states. [2020-07-28 18:58:47,133 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 382 states. [2020-07-28 18:58:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,143 INFO L93 Difference]: Finished difference Result 382 states and 507 transitions. [2020-07-28 18:58:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 507 transitions. [2020-07-28 18:58:47,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,145 INFO L74 IsIncluded]: Start isIncluded. First operand 382 states. Second operand 382 states. [2020-07-28 18:58:47,145 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 382 states. [2020-07-28 18:58:47,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,162 INFO L93 Difference]: Finished difference Result 382 states and 507 transitions. [2020-07-28 18:58:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 507 transitions. [2020-07-28 18:58:47,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,163 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,163 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:47,163 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:47,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-07-28 18:58:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 507 transitions. [2020-07-28 18:58:47,174 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 507 transitions. Word has length 31 [2020-07-28 18:58:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:47,175 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 507 transitions. [2020-07-28 18:58:47,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 507 transitions. [2020-07-28 18:58:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:47,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:47,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:47,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:47,177 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:47,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:47,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1116169902, now seen corresponding path program 1 times [2020-07-28 18:58:47,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:47,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762829845] [2020-07-28 18:58:47,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:47,240 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:47,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:47,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:47,361 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:47,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:47,479 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:47,479 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:47,479 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L832 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L755-1 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L755-1 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L755-1 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-28 18:58:47,480 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L876-3 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L876-3 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L129-2 has no Hoare annotation [2020-07-28 18:58:47,481 WARN L170 areAnnotationChecker]: L129-2 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L187-1 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L187-1 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L136-1 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L968-1 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L161-3 has no Hoare annotation [2020-07-28 18:58:47,482 WARN L170 areAnnotationChecker]: L161-3 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L913-1 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L308-3 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L308-3 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L953-3 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L953-3 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L755-2 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L755-2 has no Hoare annotation [2020-07-28 18:58:47,483 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L900 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L308-5 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L958-3 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L240-1 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L755-3 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L314-1 has no Hoare annotation [2020-07-28 18:58:47,484 WARN L170 areAnnotationChecker]: L289-9 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L289-9 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:47,485 WARN L170 areAnnotationChecker]: L191-1 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L191-1 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L289-11 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L704-1 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L704-1 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 18:58:47,486 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L161-2 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L161-2 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L295-3 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 18:58:47,487 WARN L170 areAnnotationChecker]: L322-1 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L953-2 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L953-2 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L165-3 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L165-3 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L788-1 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L788-1 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L968 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2020-07-28 18:58:47,488 WARN L170 areAnnotationChecker]: L913 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L958-2 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L876-6 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L876-6 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L129-3 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L129-3 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L953-1 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L953-1 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-28 18:58:47,489 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L289-6 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L289-6 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L187-2 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L958-1 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L289-8 has no Hoare annotation [2020-07-28 18:58:47,490 WARN L170 areAnnotationChecker]: L968-2 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L161-5 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L161-5 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L913-2 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L314 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L289-3 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L289-3 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L295-2 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L308-6 has no Hoare annotation [2020-07-28 18:58:47,491 WARN L170 areAnnotationChecker]: L308-6 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L953-5 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L953-5 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L755-4 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L755-4 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L289-5 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 18:58:47,492 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L308-8 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L958-5 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L240-2 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L755-5 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 18:58:47,493 WARN L170 areAnnotationChecker]: L314-2 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L289-15 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L289-15 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L759-4 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L759-4 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L953 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L953 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L191-2 has no Hoare annotation [2020-07-28 18:58:47,494 WARN L170 areAnnotationChecker]: L191-2 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L289-17 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L704-2 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L704-2 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L958 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L161-4 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L161-4 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L295-5 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 18:58:47,495 WARN L170 areAnnotationChecker]: L953-4 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L953-4 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L165-5 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L165-5 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L958-4 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L295 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L289-12 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L289-12 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 18:58:47,496 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 18:58:47,497 WARN L170 areAnnotationChecker]: L289-14 has no Hoare annotation [2020-07-28 18:58:47,497 WARN L170 areAnnotationChecker]: L295-4 has no Hoare annotation [2020-07-28 18:58:47,497 WARN L170 areAnnotationChecker]: L165-4 has no Hoare annotation [2020-07-28 18:58:47,497 WARN L170 areAnnotationChecker]: L165-4 has no Hoare annotation [2020-07-28 18:58:47,497 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:47,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:47 BoogieIcfgContainer [2020-07-28 18:58:47,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:47,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:47,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:47,500 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:47,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:31" (3/4) ... [2020-07-28 18:58:47,503 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:47,618 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:47,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:47,621 INFO L168 Benchmark]: Toolchain (without parser) took 18852.43 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 405.3 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 261.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:47,622 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:47,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:47,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.02 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:47,623 INFO L168 Benchmark]: Boogie Preprocessor took 87.08 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. [2020-07-28 18:58:47,623 INFO L168 Benchmark]: RCFGBuilder took 1942.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.1 MB in the end (delta: 179.5 MB). Peak memory consumption was 179.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:47,624 INFO L168 Benchmark]: TraceAbstraction took 15942.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 273.7 MB). Free memory was 921.1 MB in the beginning and 1.1 GB in the end (delta: -215.2 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:47,624 INFO L168 Benchmark]: Witness Printer took 118.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:47,627 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 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 643.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.02 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.08 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 1942.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.1 MB in the end (delta: 179.5 MB). Peak memory consumption was 179.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15942.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 273.7 MB). Free memory was 921.1 MB in the beginning and 1.1 GB in the end (delta: -215.2 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Witness Printer took 118.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 704]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L503] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L773] int cleanupTimeShifts = 4; [L870] int waterLevel = 1; [L871] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L846] int retValue_acc ; [L847] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L738] int retValue_acc ; [L741] retValue_acc = 1 [L742] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] tmp = valid_product() [L855] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L888] COND TRUE waterLevel < 2 [L889] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L900] COND FALSE !(\read(methaneLevelCritical)) [L903] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L129] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND TRUE \read(systemActive) [L184] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND FALSE !(\read(pumpRunning)) [L158] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L161] COND TRUE ! pumpRunning [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L950] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L953] COND FALSE !(waterLevel < 2) [L957] retValue_acc = 0 [L958] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L287] tmp = isHighWaterSensorDry() [L289] COND FALSE !(\read(tmp)) [L292] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L163] tmp = isHighWaterLevel() [L165] COND TRUE \read(tmp) [L212] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; [L909] int retValue_acc ; [L912] retValue_acc = methaneLevelCritical [L913] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L753] tmp = isMethaneLevelCritical() [L755] COND TRUE \read(tmp) [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L757] tmp___0 = isPumpRunning() [L759] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L704] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 875 SDtfs, 1188 SDslu, 1284 SDs, 0 SdLazy, 160 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1130 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 11496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...