./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product33.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_product33.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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:58:05,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:05,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:05,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:05,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:05,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:05,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:05,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:05,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:05,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:05,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:05,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:05,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:05,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:05,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:05,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:05,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:05,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:05,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:05,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:05,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:05,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:05,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:05,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:05,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:05,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:05,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:05,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:05,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:05,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:05,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:05,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:05,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:05,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:05,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:05,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:05,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:05,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:05,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:05,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:05,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:05,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:05,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:05,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:05,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:05,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:05,569 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:05,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:05,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:05,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:05,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:05,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:05,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:05,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:05,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:05,572 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:05,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:05,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:05,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:05,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:05,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:05,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:05,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:05,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:05,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:05,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:05,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:05,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:05,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:05,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:05,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:05,577 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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2020-07-28 18:58:05,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:05,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:05,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:05,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:05,968 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:05,969 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2020-07-28 18:58:06,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb223465/e9eb85d4e43e4713b30b660c8483db3e/FLAG456497e7f [2020-07-28 18:58:06,595 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:06,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2020-07-28 18:58:06,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb223465/e9eb85d4e43e4713b30b660c8483db3e/FLAG456497e7f [2020-07-28 18:58:06,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eb223465/e9eb85d4e43e4713b30b660c8483db3e [2020-07-28 18:58:06,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:06,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:06,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:06,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:06,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:06,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:06" (1/1) ... [2020-07-28 18:58:06,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fcb3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:06, skipping insertion in model container [2020-07-28 18:58:06,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:06" (1/1) ... [2020-07-28 18:58:06,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:06,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:07,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:07,344 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:07,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:07,515 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:07,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07 WrapperNode [2020-07-28 18:58:07,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:07,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:07,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:07,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:07,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:07,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:07,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:07,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:07,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (1/1) ... [2020-07-28 18:58:07,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:07,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:07,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:07,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:07,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (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 18:58:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:09,263 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:09,263 INFO L295 CfgBuilder]: Removed 96 assume(true) statements. [2020-07-28 18:58:09,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:09 BoogieIcfgContainer [2020-07-28 18:58:09,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:09,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:09,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:09,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:09,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:06" (1/3) ... [2020-07-28 18:58:09,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f89671c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:09, skipping insertion in model container [2020-07-28 18:58:09,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:07" (2/3) ... [2020-07-28 18:58:09,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f89671c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:09, skipping insertion in model container [2020-07-28 18:58:09,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:09" (3/3) ... [2020-07-28 18:58:09,279 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product33.cil.c [2020-07-28 18:58:09,291 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:09,301 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:09,318 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:09,346 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:09,346 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:09,346 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:09,347 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:09,348 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:09,348 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:09,348 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:09,348 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-07-28 18:58:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:09,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:09,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:09,390 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:09,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:09,400 INFO L82 PathProgramCache]: Analyzing trace with hash 768274677, now seen corresponding path program 1 times [2020-07-28 18:58:09,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:09,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962631424] [2020-07-28 18:58:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:09,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {81#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {81#true} is VALID [2020-07-28 18:58:09,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {81#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {81#true} is VALID [2020-07-28 18:58:09,758 INFO L280 TraceCheckUtils]: 2: Hoare triple {81#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {81#true} is VALID [2020-07-28 18:58:09,759 INFO L280 TraceCheckUtils]: 3: Hoare triple {81#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {81#true} is VALID [2020-07-28 18:58:09,759 INFO L280 TraceCheckUtils]: 4: Hoare triple {81#true} assume 0 != main_~tmp~6; {81#true} is VALID [2020-07-28 18:58:09,760 INFO L280 TraceCheckUtils]: 5: Hoare triple {81#true} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {81#true} is VALID [2020-07-28 18:58:09,761 INFO L280 TraceCheckUtils]: 6: Hoare triple {81#true} assume !true; {82#false} is VALID [2020-07-28 18:58:09,762 INFO L280 TraceCheckUtils]: 7: Hoare triple {82#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {82#false} is VALID [2020-07-28 18:58:09,763 INFO L280 TraceCheckUtils]: 8: Hoare triple {82#false} assume !(0 != ~pumpRunning~0); {82#false} is VALID [2020-07-28 18:58:09,763 INFO L280 TraceCheckUtils]: 9: Hoare triple {82#false} assume !(0 != ~systemActive~0); {82#false} is VALID [2020-07-28 18:58:09,764 INFO L280 TraceCheckUtils]: 10: Hoare triple {82#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {82#false} is VALID [2020-07-28 18:58:09,764 INFO L280 TraceCheckUtils]: 11: Hoare triple {82#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {82#false} is VALID [2020-07-28 18:58:09,764 INFO L280 TraceCheckUtils]: 12: Hoare triple {82#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {82#false} is VALID [2020-07-28 18:58:09,765 INFO L280 TraceCheckUtils]: 13: Hoare triple {82#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {82#false} is VALID [2020-07-28 18:58:09,765 INFO L280 TraceCheckUtils]: 14: Hoare triple {82#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {82#false} is VALID [2020-07-28 18:58:09,766 INFO L280 TraceCheckUtils]: 15: Hoare triple {82#false} assume !false; {82#false} is VALID [2020-07-28 18:58:09,770 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 18:58:09,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962631424] [2020-07-28 18:58:09,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:09,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:09,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636561898] [2020-07-28 18:58:09,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:09,782 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:09,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:09,825 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 18:58:09,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:09,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:09,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:09,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:09,840 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-07-28 18:58:10,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:10,082 INFO L93 Difference]: Finished difference Result 150 states and 227 transitions. [2020-07-28 18:58:10,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:10,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:10,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 227 transitions. [2020-07-28 18:58:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 227 transitions. [2020-07-28 18:58:10,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 227 transitions. [2020-07-28 18:58:10,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 227 edges. 227 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:10,583 INFO L225 Difference]: With dead ends: 150 [2020-07-28 18:58:10,584 INFO L226 Difference]: Without dead ends: 74 [2020-07-28 18:58:10,591 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 18:58:10,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-28 18:58:10,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-07-28 18:58:10,638 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:10,639 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 74 states. [2020-07-28 18:58:10,639 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-28 18:58:10,640 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-28 18:58:10,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:10,647 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2020-07-28 18:58:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-07-28 18:58:10,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:10,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:10,649 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-28 18:58:10,649 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-28 18:58:10,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:10,656 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2020-07-28 18:58:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-07-28 18:58:10,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:10,658 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:10,658 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:10,658 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 18:58:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2020-07-28 18:58:10,665 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 16 [2020-07-28 18:58:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:10,666 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2020-07-28 18:58:10,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-07-28 18:58:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:10,668 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:10,668 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 18:58:10,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:10,669 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:10,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:10,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1484097871, now seen corresponding path program 1 times [2020-07-28 18:58:10,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:10,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760974125] [2020-07-28 18:58:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:10,811 INFO L280 TraceCheckUtils]: 0: Hoare triple {542#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {542#true} is VALID [2020-07-28 18:58:10,811 INFO L280 TraceCheckUtils]: 1: Hoare triple {542#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {542#true} is VALID [2020-07-28 18:58:10,812 INFO L280 TraceCheckUtils]: 2: Hoare triple {542#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {542#true} is VALID [2020-07-28 18:58:10,812 INFO L280 TraceCheckUtils]: 3: Hoare triple {542#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {542#true} is VALID [2020-07-28 18:58:10,812 INFO L280 TraceCheckUtils]: 4: Hoare triple {542#true} assume 0 != main_~tmp~6; {542#true} is VALID [2020-07-28 18:58:10,813 INFO L280 TraceCheckUtils]: 5: Hoare triple {542#true} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {544#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:10,814 INFO L280 TraceCheckUtils]: 6: Hoare triple {544#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {544#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:10,815 INFO L280 TraceCheckUtils]: 7: Hoare triple {544#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {543#false} is VALID [2020-07-28 18:58:10,816 INFO L280 TraceCheckUtils]: 8: Hoare triple {543#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {543#false} is VALID [2020-07-28 18:58:10,816 INFO L280 TraceCheckUtils]: 9: Hoare triple {543#false} assume !(0 != ~pumpRunning~0); {543#false} is VALID [2020-07-28 18:58:10,816 INFO L280 TraceCheckUtils]: 10: Hoare triple {543#false} assume !(0 != ~systemActive~0); {543#false} is VALID [2020-07-28 18:58:10,817 INFO L280 TraceCheckUtils]: 11: Hoare triple {543#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {543#false} is VALID [2020-07-28 18:58:10,817 INFO L280 TraceCheckUtils]: 12: Hoare triple {543#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {543#false} is VALID [2020-07-28 18:58:10,818 INFO L280 TraceCheckUtils]: 13: Hoare triple {543#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {543#false} is VALID [2020-07-28 18:58:10,818 INFO L280 TraceCheckUtils]: 14: Hoare triple {543#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {543#false} is VALID [2020-07-28 18:58:10,818 INFO L280 TraceCheckUtils]: 15: Hoare triple {543#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {543#false} is VALID [2020-07-28 18:58:10,818 INFO L280 TraceCheckUtils]: 16: Hoare triple {543#false} assume !false; {543#false} is VALID [2020-07-28 18:58:10,820 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 18:58:10,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760974125] [2020-07-28 18:58:10,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:10,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:10,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116723531] [2020-07-28 18:58:10,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:10,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:10,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:10,860 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 18:58:10,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:10,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:10,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:10,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:10,862 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand 3 states. [2020-07-28 18:58:11,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,126 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2020-07-28 18:58:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:11,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:11,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2020-07-28 18:58:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2020-07-28 18:58:11,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 105 transitions. [2020-07-28 18:58:11,264 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:11,266 INFO L225 Difference]: With dead ends: 74 [2020-07-28 18:58:11,266 INFO L226 Difference]: Without dead ends: 34 [2020-07-28 18:58:11,272 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 18:58:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-28 18:58:11,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-07-28 18:58:11,339 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:11,340 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,340 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,340 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,342 INFO L93 Difference]: Finished difference Result 34 states and 48 transitions. [2020-07-28 18:58:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-07-28 18:58:11,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:11,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:11,346 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,346 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,352 INFO L93 Difference]: Finished difference Result 34 states and 48 transitions. [2020-07-28 18:58:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-07-28 18:58:11,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:11,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:11,353 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:11,353 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 18:58:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2020-07-28 18:58:11,356 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 17 [2020-07-28 18:58:11,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:11,357 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2020-07-28 18:58:11,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-07-28 18:58:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:11,359 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:11,360 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 18:58:11,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:11,360 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:11,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:11,361 INFO L82 PathProgramCache]: Analyzing trace with hash 670124178, now seen corresponding path program 1 times [2020-07-28 18:58:11,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:11,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222749616] [2020-07-28 18:58:11,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:11,511 INFO L280 TraceCheckUtils]: 0: Hoare triple {763#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,513 INFO L280 TraceCheckUtils]: 1: Hoare triple {765#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,513 INFO L280 TraceCheckUtils]: 2: Hoare triple {765#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,514 INFO L280 TraceCheckUtils]: 3: Hoare triple {765#(= 1 ~systemActive~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,515 INFO L280 TraceCheckUtils]: 4: Hoare triple {765#(= 1 ~systemActive~0)} assume 0 != main_~tmp~6; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,516 INFO L280 TraceCheckUtils]: 5: Hoare triple {765#(= 1 ~systemActive~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,517 INFO L280 TraceCheckUtils]: 6: Hoare triple {765#(= 1 ~systemActive~0)} assume !false; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,517 INFO L280 TraceCheckUtils]: 7: Hoare triple {765#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,518 INFO L280 TraceCheckUtils]: 8: Hoare triple {765#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,519 INFO L280 TraceCheckUtils]: 9: Hoare triple {765#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~5); {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,520 INFO L280 TraceCheckUtils]: 10: Hoare triple {765#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,520 INFO L280 TraceCheckUtils]: 11: Hoare triple {765#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,521 INFO L280 TraceCheckUtils]: 12: Hoare triple {765#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,522 INFO L280 TraceCheckUtils]: 13: Hoare triple {765#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,523 INFO L280 TraceCheckUtils]: 14: Hoare triple {765#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {765#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:11,523 INFO L280 TraceCheckUtils]: 15: Hoare triple {765#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {764#false} is VALID [2020-07-28 18:58:11,524 INFO L280 TraceCheckUtils]: 16: Hoare triple {764#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {764#false} is VALID [2020-07-28 18:58:11,524 INFO L280 TraceCheckUtils]: 17: Hoare triple {764#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {764#false} is VALID [2020-07-28 18:58:11,525 INFO L280 TraceCheckUtils]: 18: Hoare triple {764#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {764#false} is VALID [2020-07-28 18:58:11,525 INFO L280 TraceCheckUtils]: 19: Hoare triple {764#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {764#false} is VALID [2020-07-28 18:58:11,525 INFO L280 TraceCheckUtils]: 20: Hoare triple {764#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {764#false} is VALID [2020-07-28 18:58:11,525 INFO L280 TraceCheckUtils]: 21: Hoare triple {764#false} assume !false; {764#false} is VALID [2020-07-28 18:58:11,528 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 18:58:11,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222749616] [2020-07-28 18:58:11,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:11,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:11,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042296414] [2020-07-28 18:58:11,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:11,530 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:11,530 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:11,567 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 18:58:11,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:11,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:11,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:11,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:11,569 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 3 states. [2020-07-28 18:58:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,737 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2020-07-28 18:58:11,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:11,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 18:58:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 18:58:11,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 90 transitions. [2020-07-28 18:58:11,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:11,873 INFO L225 Difference]: With dead ends: 62 [2020-07-28 18:58:11,873 INFO L226 Difference]: Without dead ends: 34 [2020-07-28 18:58:11,874 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 18:58:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-28 18:58:11,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-07-28 18:58:11,895 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:11,895 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,895 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,896 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,898 INFO L93 Difference]: Finished difference Result 34 states and 47 transitions. [2020-07-28 18:58:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2020-07-28 18:58:11,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:11,899 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:11,899 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,899 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-28 18:58:11,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,901 INFO L93 Difference]: Finished difference Result 34 states and 47 transitions. [2020-07-28 18:58:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2020-07-28 18:58:11,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:11,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:11,902 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:11,903 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-28 18:58:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2020-07-28 18:58:11,905 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 22 [2020-07-28 18:58:11,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:11,905 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2020-07-28 18:58:11,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2020-07-28 18:58:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:58:11,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:11,907 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] [2020-07-28 18:58:11,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:11,907 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:11,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:11,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1804645939, now seen corresponding path program 1 times [2020-07-28 18:58:11,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:11,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456422593] [2020-07-28 18:58:11,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:11,979 INFO L280 TraceCheckUtils]: 0: Hoare triple {965#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {967#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,983 INFO L280 TraceCheckUtils]: 2: Hoare triple {967#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,984 INFO L280 TraceCheckUtils]: 3: Hoare triple {967#(= 0 ~pumpRunning~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,985 INFO L280 TraceCheckUtils]: 4: Hoare triple {967#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,986 INFO L280 TraceCheckUtils]: 5: Hoare triple {967#(= 0 ~pumpRunning~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,987 INFO L280 TraceCheckUtils]: 6: Hoare triple {967#(= 0 ~pumpRunning~0)} assume !false; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,988 INFO L280 TraceCheckUtils]: 7: Hoare triple {967#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,988 INFO L280 TraceCheckUtils]: 8: Hoare triple {967#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,989 INFO L280 TraceCheckUtils]: 9: Hoare triple {967#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,990 INFO L280 TraceCheckUtils]: 10: Hoare triple {967#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,991 INFO L280 TraceCheckUtils]: 11: Hoare triple {967#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,991 INFO L280 TraceCheckUtils]: 12: Hoare triple {967#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,992 INFO L280 TraceCheckUtils]: 13: Hoare triple {967#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,993 INFO L280 TraceCheckUtils]: 14: Hoare triple {967#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,994 INFO L280 TraceCheckUtils]: 15: Hoare triple {967#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {967#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:11,994 INFO L280 TraceCheckUtils]: 16: Hoare triple {967#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {966#false} is VALID [2020-07-28 18:58:11,995 INFO L280 TraceCheckUtils]: 17: Hoare triple {966#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {966#false} is VALID [2020-07-28 18:58:11,995 INFO L280 TraceCheckUtils]: 18: Hoare triple {966#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {966#false} is VALID [2020-07-28 18:58:11,995 INFO L280 TraceCheckUtils]: 19: Hoare triple {966#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {966#false} is VALID [2020-07-28 18:58:11,996 INFO L280 TraceCheckUtils]: 20: Hoare triple {966#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {966#false} is VALID [2020-07-28 18:58:11,996 INFO L280 TraceCheckUtils]: 21: Hoare triple {966#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {966#false} is VALID [2020-07-28 18:58:11,996 INFO L280 TraceCheckUtils]: 22: Hoare triple {966#false} assume !false; {966#false} is VALID [2020-07-28 18:58:11,997 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 18:58:11,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456422593] [2020-07-28 18:58:11,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:11,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:11,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437111592] [2020-07-28 18:58:11,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-28 18:58:11,999 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:11,999 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:12,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:12,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:12,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:12,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:12,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:12,033 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand 3 states. [2020-07-28 18:58:12,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,203 INFO L93 Difference]: Finished difference Result 83 states and 118 transitions. [2020-07-28 18:58:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:12,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-28 18:58:12,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2020-07-28 18:58:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2020-07-28 18:58:12,209 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2020-07-28 18:58:12,346 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:12,348 INFO L225 Difference]: With dead ends: 83 [2020-07-28 18:58:12,348 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 18:58:12,349 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 18:58:12,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 18:58:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2020-07-28 18:58:12,384 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:12,384 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 53 states. [2020-07-28 18:58:12,384 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 53 states. [2020-07-28 18:58:12,384 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 53 states. [2020-07-28 18:58:12,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,387 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 18:58:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 18:58:12,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:12,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:12,388 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 55 states. [2020-07-28 18:58:12,388 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 55 states. [2020-07-28 18:58:12,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,391 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 18:58:12,392 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 18:58:12,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:12,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:12,393 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:12,393 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:58:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 74 transitions. [2020-07-28 18:58:12,396 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 74 transitions. Word has length 23 [2020-07-28 18:58:12,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:12,396 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 74 transitions. [2020-07-28 18:58:12,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2020-07-28 18:58:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:12,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:12,398 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] [2020-07-28 18:58:12,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:12,398 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:12,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:12,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1746371458, now seen corresponding path program 1 times [2020-07-28 18:58:12,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:12,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666927566] [2020-07-28 18:58:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:12,478 INFO L280 TraceCheckUtils]: 0: Hoare triple {1263#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1263#true} is VALID [2020-07-28 18:58:12,479 INFO L280 TraceCheckUtils]: 1: Hoare triple {1263#true} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {1263#true} is VALID [2020-07-28 18:58:12,479 INFO L280 TraceCheckUtils]: 2: Hoare triple {1263#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1263#true} is VALID [2020-07-28 18:58:12,480 INFO L280 TraceCheckUtils]: 3: Hoare triple {1263#true} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {1263#true} is VALID [2020-07-28 18:58:12,480 INFO L280 TraceCheckUtils]: 4: Hoare triple {1263#true} assume 0 != main_~tmp~6; {1263#true} is VALID [2020-07-28 18:58:12,480 INFO L280 TraceCheckUtils]: 5: Hoare triple {1263#true} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1263#true} is VALID [2020-07-28 18:58:12,480 INFO L280 TraceCheckUtils]: 6: Hoare triple {1263#true} assume !false; {1263#true} is VALID [2020-07-28 18:58:12,481 INFO L280 TraceCheckUtils]: 7: Hoare triple {1263#true} assume test_~splverifierCounter~0 < 4; {1263#true} is VALID [2020-07-28 18:58:12,481 INFO L280 TraceCheckUtils]: 8: Hoare triple {1263#true} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {1263#true} is VALID [2020-07-28 18:58:12,481 INFO L280 TraceCheckUtils]: 9: Hoare triple {1263#true} assume !(0 != test_~tmp~5); {1263#true} is VALID [2020-07-28 18:58:12,481 INFO L280 TraceCheckUtils]: 10: Hoare triple {1263#true} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {1263#true} is VALID [2020-07-28 18:58:12,481 INFO L280 TraceCheckUtils]: 11: Hoare triple {1263#true} assume !(0 != test_~tmp___0~1); {1263#true} is VALID [2020-07-28 18:58:12,482 INFO L280 TraceCheckUtils]: 12: Hoare triple {1263#true} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {1263#true} is VALID [2020-07-28 18:58:12,483 INFO L280 TraceCheckUtils]: 13: Hoare triple {1263#true} assume 0 != test_~tmp___2~0; {1263#true} is VALID [2020-07-28 18:58:12,483 INFO L280 TraceCheckUtils]: 14: Hoare triple {1263#true} assume !(0 != ~pumpRunning~0); {1263#true} is VALID [2020-07-28 18:58:12,483 INFO L280 TraceCheckUtils]: 15: Hoare triple {1263#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1263#true} is VALID [2020-07-28 18:58:12,484 INFO L280 TraceCheckUtils]: 16: Hoare triple {1263#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {1263#true} is VALID [2020-07-28 18:58:12,484 INFO L280 TraceCheckUtils]: 17: Hoare triple {1263#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {1263#true} is VALID [2020-07-28 18:58:12,485 INFO L280 TraceCheckUtils]: 18: Hoare triple {1263#true} isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret53 && isHighWaterLevel_#t~ret53 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; {1263#true} is VALID [2020-07-28 18:58:12,486 INFO L280 TraceCheckUtils]: 19: Hoare triple {1263#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {1265#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 18:58:12,487 INFO L280 TraceCheckUtils]: 20: Hoare triple {1265#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {1266#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:12,488 INFO L280 TraceCheckUtils]: 21: Hoare triple {1266#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret35 && processEnvironment_#t~ret35 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; {1267#(= 0 ULTIMATE.start_processEnvironment_~tmp~3)} is VALID [2020-07-28 18:58:12,488 INFO L280 TraceCheckUtils]: 22: Hoare triple {1267#(= 0 ULTIMATE.start_processEnvironment_~tmp~3)} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 1; {1264#false} is VALID [2020-07-28 18:58:12,489 INFO L280 TraceCheckUtils]: 23: Hoare triple {1264#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1264#false} is VALID [2020-07-28 18:58:12,489 INFO L280 TraceCheckUtils]: 24: Hoare triple {1264#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {1264#false} is VALID [2020-07-28 18:58:12,489 INFO L280 TraceCheckUtils]: 25: Hoare triple {1264#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1264#false} is VALID [2020-07-28 18:58:12,489 INFO L280 TraceCheckUtils]: 26: Hoare triple {1264#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {1264#false} is VALID [2020-07-28 18:58:12,490 INFO L280 TraceCheckUtils]: 27: Hoare triple {1264#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1264#false} is VALID [2020-07-28 18:58:12,490 INFO L280 TraceCheckUtils]: 28: Hoare triple {1264#false} assume !false; {1264#false} is VALID [2020-07-28 18:58:12,491 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 18:58:12,492 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666927566] [2020-07-28 18:58:12,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:12,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:12,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560603355] [2020-07-28 18:58:12,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:12,493 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:12,493 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:12,530 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:12,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:12,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:12,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:12,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:12,532 INFO L87 Difference]: Start difference. First operand 53 states and 74 transitions. Second operand 5 states. [2020-07-28 18:58:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:13,051 INFO L93 Difference]: Finished difference Result 139 states and 194 transitions. [2020-07-28 18:58:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:13,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 147 transitions. [2020-07-28 18:58:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 147 transitions. [2020-07-28 18:58:13,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 147 transitions. [2020-07-28 18:58:13,218 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:13,221 INFO L225 Difference]: With dead ends: 139 [2020-07-28 18:58:13,222 INFO L226 Difference]: Without dead ends: 92 [2020-07-28 18:58:13,223 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 18:58:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-28 18:58:13,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 56. [2020-07-28 18:58:13,290 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:13,290 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 56 states. [2020-07-28 18:58:13,290 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 56 states. [2020-07-28 18:58:13,290 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 56 states. [2020-07-28 18:58:13,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:13,293 INFO L93 Difference]: Finished difference Result 92 states and 125 transitions. [2020-07-28 18:58:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 125 transitions. [2020-07-28 18:58:13,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:13,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:13,294 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 92 states. [2020-07-28 18:58:13,294 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 92 states. [2020-07-28 18:58:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:13,298 INFO L93 Difference]: Finished difference Result 92 states and 125 transitions. [2020-07-28 18:58:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 125 transitions. [2020-07-28 18:58:13,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:13,298 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:13,298 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:13,298 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 18:58:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-07-28 18:58:13,301 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 29 [2020-07-28 18:58:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:13,301 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-07-28 18:58:13,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-07-28 18:58:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:13,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:13,302 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] [2020-07-28 18:58:13,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:13,302 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:13,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:13,303 INFO L82 PathProgramCache]: Analyzing trace with hash 916139585, now seen corresponding path program 1 times [2020-07-28 18:58:13,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:13,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304536609] [2020-07-28 18:58:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:13,379 INFO L280 TraceCheckUtils]: 0: Hoare triple {1722#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,380 INFO L280 TraceCheckUtils]: 1: Hoare triple {1724#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,386 INFO L280 TraceCheckUtils]: 2: Hoare triple {1724#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,386 INFO L280 TraceCheckUtils]: 3: Hoare triple {1724#(= 0 ~pumpRunning~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,387 INFO L280 TraceCheckUtils]: 4: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,388 INFO L280 TraceCheckUtils]: 5: Hoare triple {1724#(= 0 ~pumpRunning~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,388 INFO L280 TraceCheckUtils]: 6: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume !false; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,389 INFO L280 TraceCheckUtils]: 7: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,389 INFO L280 TraceCheckUtils]: 8: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,390 INFO L280 TraceCheckUtils]: 9: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,391 INFO L280 TraceCheckUtils]: 10: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,391 INFO L280 TraceCheckUtils]: 11: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,392 INFO L280 TraceCheckUtils]: 12: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,392 INFO L280 TraceCheckUtils]: 13: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,393 INFO L280 TraceCheckUtils]: 14: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,394 INFO L280 TraceCheckUtils]: 15: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,395 INFO L280 TraceCheckUtils]: 16: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,395 INFO L280 TraceCheckUtils]: 17: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,396 INFO L280 TraceCheckUtils]: 18: Hoare triple {1724#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret53 && isHighWaterLevel_#t~ret53 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,397 INFO L280 TraceCheckUtils]: 19: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,397 INFO L280 TraceCheckUtils]: 20: Hoare triple {1724#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,398 INFO L280 TraceCheckUtils]: 21: Hoare triple {1724#(= 0 ~pumpRunning~0)} processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret35 && processEnvironment_#t~ret35 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,399 INFO L280 TraceCheckUtils]: 22: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment_~tmp~3); {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,399 INFO L280 TraceCheckUtils]: 23: Hoare triple {1724#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,400 INFO L280 TraceCheckUtils]: 24: Hoare triple {1724#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {1724#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:13,401 INFO L280 TraceCheckUtils]: 25: Hoare triple {1724#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1725#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:13,401 INFO L280 TraceCheckUtils]: 26: Hoare triple {1725#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {1726#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} is VALID [2020-07-28 18:58:13,402 INFO L280 TraceCheckUtils]: 27: Hoare triple {1726#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1723#false} is VALID [2020-07-28 18:58:13,403 INFO L280 TraceCheckUtils]: 28: Hoare triple {1723#false} assume !false; {1723#false} is VALID [2020-07-28 18:58:13,404 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 18:58:13,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304536609] [2020-07-28 18:58:13,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:13,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:13,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411731530] [2020-07-28 18:58:13,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:13,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:13,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:13,445 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:13,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:13,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:13,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:13,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:13,446 INFO L87 Difference]: Start difference. First operand 56 states and 77 transitions. Second operand 5 states. [2020-07-28 18:58:14,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,214 INFO L93 Difference]: Finished difference Result 155 states and 216 transitions. [2020-07-28 18:58:14,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:14,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:14,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-28 18:58:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 204 transitions. [2020-07-28 18:58:14,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 204 transitions. [2020-07-28 18:58:14,513 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:14,516 INFO L225 Difference]: With dead ends: 155 [2020-07-28 18:58:14,517 INFO L226 Difference]: Without dead ends: 153 [2020-07-28 18:58:14,517 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 18:58:14,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-28 18:58:14,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 56. [2020-07-28 18:58:14,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:14,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 56 states. [2020-07-28 18:58:14,589 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 56 states. [2020-07-28 18:58:14,590 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 56 states. [2020-07-28 18:58:14,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,597 INFO L93 Difference]: Finished difference Result 153 states and 214 transitions. [2020-07-28 18:58:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 214 transitions. [2020-07-28 18:58:14,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:14,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:14,598 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 153 states. [2020-07-28 18:58:14,599 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 153 states. [2020-07-28 18:58:14,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,604 INFO L93 Difference]: Finished difference Result 153 states and 214 transitions. [2020-07-28 18:58:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 214 transitions. [2020-07-28 18:58:14,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:14,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:14,606 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:14,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 18:58:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2020-07-28 18:58:14,608 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 29 [2020-07-28 18:58:14,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:14,608 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2020-07-28 18:58:14,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2020-07-28 18:58:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:14,611 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:14,611 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] [2020-07-28 18:58:14,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:14,612 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:14,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:14,612 INFO L82 PathProgramCache]: Analyzing trace with hash -2139398468, now seen corresponding path program 1 times [2020-07-28 18:58:14,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:14,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179788460] [2020-07-28 18:58:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:14,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {2328#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {2330#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,728 INFO L280 TraceCheckUtils]: 2: Hoare triple {2330#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {2330#(= 1 ~systemActive~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,729 INFO L280 TraceCheckUtils]: 4: Hoare triple {2330#(= 1 ~systemActive~0)} assume 0 != main_~tmp~6; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,730 INFO L280 TraceCheckUtils]: 5: Hoare triple {2330#(= 1 ~systemActive~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,731 INFO L280 TraceCheckUtils]: 6: Hoare triple {2330#(= 1 ~systemActive~0)} assume !false; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,731 INFO L280 TraceCheckUtils]: 7: Hoare triple {2330#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,732 INFO L280 TraceCheckUtils]: 8: Hoare triple {2330#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,733 INFO L280 TraceCheckUtils]: 9: Hoare triple {2330#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~5); {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,733 INFO L280 TraceCheckUtils]: 10: Hoare triple {2330#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,734 INFO L280 TraceCheckUtils]: 11: Hoare triple {2330#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,735 INFO L280 TraceCheckUtils]: 12: Hoare triple {2330#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,735 INFO L280 TraceCheckUtils]: 13: Hoare triple {2330#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,736 INFO L280 TraceCheckUtils]: 14: Hoare triple {2330#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {2330#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:14,736 INFO L280 TraceCheckUtils]: 15: Hoare triple {2330#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2328#true} is VALID [2020-07-28 18:58:14,736 INFO L280 TraceCheckUtils]: 16: Hoare triple {2328#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {2328#true} is VALID [2020-07-28 18:58:14,738 INFO L280 TraceCheckUtils]: 17: Hoare triple {2328#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {2331#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:14,739 INFO L280 TraceCheckUtils]: 18: Hoare triple {2331#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret53 && isHighWaterLevel_#t~ret53 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; {2332#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))} is VALID [2020-07-28 18:58:14,739 INFO L280 TraceCheckUtils]: 19: Hoare triple {2332#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4))} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {2329#false} is VALID [2020-07-28 18:58:14,740 INFO L280 TraceCheckUtils]: 20: Hoare triple {2329#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {2329#false} is VALID [2020-07-28 18:58:14,740 INFO L280 TraceCheckUtils]: 21: Hoare triple {2329#false} processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret35 && processEnvironment_#t~ret35 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; {2329#false} is VALID [2020-07-28 18:58:14,740 INFO L280 TraceCheckUtils]: 22: Hoare triple {2329#false} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 1; {2329#false} is VALID [2020-07-28 18:58:14,740 INFO L280 TraceCheckUtils]: 23: Hoare triple {2329#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {2329#false} is VALID [2020-07-28 18:58:14,740 INFO L280 TraceCheckUtils]: 24: Hoare triple {2329#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {2329#false} is VALID [2020-07-28 18:58:14,741 INFO L280 TraceCheckUtils]: 25: Hoare triple {2329#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2329#false} is VALID [2020-07-28 18:58:14,741 INFO L280 TraceCheckUtils]: 26: Hoare triple {2329#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {2329#false} is VALID [2020-07-28 18:58:14,741 INFO L280 TraceCheckUtils]: 27: Hoare triple {2329#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {2329#false} is VALID [2020-07-28 18:58:14,742 INFO L280 TraceCheckUtils]: 28: Hoare triple {2329#false} assume !false; {2329#false} is VALID [2020-07-28 18:58:14,743 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 18:58:14,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179788460] [2020-07-28 18:58:14,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:14,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:14,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381330589] [2020-07-28 18:58:14,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:14,745 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:14,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:14,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:14,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:14,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:14,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:14,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:14,783 INFO L87 Difference]: Start difference. First operand 56 states and 76 transitions. Second operand 5 states. [2020-07-28 18:58:15,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,294 INFO L93 Difference]: Finished difference Result 149 states and 204 transitions. [2020-07-28 18:58:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:15,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:15,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 149 transitions. [2020-07-28 18:58:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 149 transitions. [2020-07-28 18:58:15,299 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 149 transitions. [2020-07-28 18:58:15,474 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 149 edges. 149 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,476 INFO L225 Difference]: With dead ends: 149 [2020-07-28 18:58:15,476 INFO L226 Difference]: Without dead ends: 99 [2020-07-28 18:58:15,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-28 18:58:15,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 58. [2020-07-28 18:58:15,550 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:15,550 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 58 states. [2020-07-28 18:58:15,551 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 58 states. [2020-07-28 18:58:15,551 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 58 states. [2020-07-28 18:58:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,554 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions. [2020-07-28 18:58:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-07-28 18:58:15,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,555 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 99 states. [2020-07-28 18:58:15,555 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 99 states. [2020-07-28 18:58:15,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,559 INFO L93 Difference]: Finished difference Result 99 states and 133 transitions. [2020-07-28 18:58:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-07-28 18:58:15,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,560 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:15,560 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-28 18:58:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions. [2020-07-28 18:58:15,562 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 29 [2020-07-28 18:58:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:15,562 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 78 transitions. [2020-07-28 18:58:15,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2020-07-28 18:58:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:15,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:15,565 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] [2020-07-28 18:58:15,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:15,566 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:15,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1881233030, now seen corresponding path program 1 times [2020-07-28 18:58:15,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:15,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674517077] [2020-07-28 18:58:15,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:15,656 INFO L280 TraceCheckUtils]: 0: Hoare triple {2822#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,658 INFO L280 TraceCheckUtils]: 1: Hoare triple {2824#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,659 INFO L280 TraceCheckUtils]: 2: Hoare triple {2824#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,660 INFO L280 TraceCheckUtils]: 3: Hoare triple {2824#(= 1 ~waterLevel~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,660 INFO L280 TraceCheckUtils]: 4: Hoare triple {2824#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,661 INFO L280 TraceCheckUtils]: 5: Hoare triple {2824#(= 1 ~waterLevel~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,661 INFO L280 TraceCheckUtils]: 6: Hoare triple {2824#(= 1 ~waterLevel~0)} assume !false; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,662 INFO L280 TraceCheckUtils]: 7: Hoare triple {2824#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,663 INFO L280 TraceCheckUtils]: 8: Hoare triple {2824#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,663 INFO L280 TraceCheckUtils]: 9: Hoare triple {2824#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~5); {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,664 INFO L280 TraceCheckUtils]: 10: Hoare triple {2824#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,664 INFO L280 TraceCheckUtils]: 11: Hoare triple {2824#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,665 INFO L280 TraceCheckUtils]: 12: Hoare triple {2824#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,666 INFO L280 TraceCheckUtils]: 13: Hoare triple {2824#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,667 INFO L280 TraceCheckUtils]: 14: Hoare triple {2824#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,667 INFO L280 TraceCheckUtils]: 15: Hoare triple {2824#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,668 INFO L280 TraceCheckUtils]: 16: Hoare triple {2824#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {2824#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:15,669 INFO L280 TraceCheckUtils]: 17: Hoare triple {2824#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {2823#false} is VALID [2020-07-28 18:58:15,669 INFO L280 TraceCheckUtils]: 18: Hoare triple {2823#false} isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret53 && isHighWaterLevel_#t~ret53 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; {2823#false} is VALID [2020-07-28 18:58:15,669 INFO L280 TraceCheckUtils]: 19: Hoare triple {2823#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {2823#false} is VALID [2020-07-28 18:58:15,669 INFO L280 TraceCheckUtils]: 20: Hoare triple {2823#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {2823#false} is VALID [2020-07-28 18:58:15,670 INFO L280 TraceCheckUtils]: 21: Hoare triple {2823#false} processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret35 && processEnvironment_#t~ret35 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; {2823#false} is VALID [2020-07-28 18:58:15,670 INFO L280 TraceCheckUtils]: 22: Hoare triple {2823#false} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 1; {2823#false} is VALID [2020-07-28 18:58:15,670 INFO L280 TraceCheckUtils]: 23: Hoare triple {2823#false} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {2823#false} is VALID [2020-07-28 18:58:15,670 INFO L280 TraceCheckUtils]: 24: Hoare triple {2823#false} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {2823#false} is VALID [2020-07-28 18:58:15,670 INFO L280 TraceCheckUtils]: 25: Hoare triple {2823#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2823#false} is VALID [2020-07-28 18:58:15,671 INFO L280 TraceCheckUtils]: 26: Hoare triple {2823#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {2823#false} is VALID [2020-07-28 18:58:15,671 INFO L280 TraceCheckUtils]: 27: Hoare triple {2823#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {2823#false} is VALID [2020-07-28 18:58:15,671 INFO L280 TraceCheckUtils]: 28: Hoare triple {2823#false} assume !false; {2823#false} is VALID [2020-07-28 18:58:15,677 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 18:58:15,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674517077] [2020-07-28 18:58:15,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:15,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:15,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418787032] [2020-07-28 18:58:15,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-07-28 18:58:15,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:15,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:15,720 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:15,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:15,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:15,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:15,721 INFO L87 Difference]: Start difference. First operand 58 states and 78 transitions. Second operand 3 states. [2020-07-28 18:58:15,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,955 INFO L93 Difference]: Finished difference Result 135 states and 183 transitions. [2020-07-28 18:58:15,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:15,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-07-28 18:58:15,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2020-07-28 18:58:15,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2020-07-28 18:58:15,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 121 transitions. [2020-07-28 18:58:16,090 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 121 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,092 INFO L225 Difference]: With dead ends: 135 [2020-07-28 18:58:16,092 INFO L226 Difference]: Without dead ends: 83 [2020-07-28 18:58:16,093 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 18:58:16,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-28 18:58:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-07-28 18:58:16,217 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:16,217 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2020-07-28 18:58:16,217 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 18:58:16,218 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 18:58:16,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,223 INFO L93 Difference]: Finished difference Result 83 states and 109 transitions. [2020-07-28 18:58:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2020-07-28 18:58:16,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,224 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 18:58:16,224 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 18:58:16,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,226 INFO L93 Difference]: Finished difference Result 83 states and 109 transitions. [2020-07-28 18:58:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2020-07-28 18:58:16,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:16,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-28 18:58:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 109 transitions. [2020-07-28 18:58:16,230 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 109 transitions. Word has length 29 [2020-07-28 18:58:16,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:16,231 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 109 transitions. [2020-07-28 18:58:16,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2020-07-28 18:58:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:16,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:16,232 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] [2020-07-28 18:58:16,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:16,232 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:16,233 INFO L82 PathProgramCache]: Analyzing trace with hash 547850684, now seen corresponding path program 1 times [2020-07-28 18:58:16,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:16,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750671816] [2020-07-28 18:58:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:16,351 INFO L280 TraceCheckUtils]: 0: Hoare triple {3289#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,352 INFO L280 TraceCheckUtils]: 1: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,352 INFO L280 TraceCheckUtils]: 2: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,353 INFO L280 TraceCheckUtils]: 3: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} main_#t~ret59 := valid_product_#res;assume -2147483648 <= main_#t~ret59 && main_#t~ret59 <= 2147483647;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,354 INFO L280 TraceCheckUtils]: 4: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~6; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,354 INFO L280 TraceCheckUtils]: 5: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,355 INFO L280 TraceCheckUtils]: 6: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume !false; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,356 INFO L280 TraceCheckUtils]: 7: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,357 INFO L280 TraceCheckUtils]: 8: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,357 INFO L280 TraceCheckUtils]: 9: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp~5; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,358 INFO L280 TraceCheckUtils]: 10: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,360 INFO L280 TraceCheckUtils]: 11: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,362 INFO L280 TraceCheckUtils]: 12: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,365 INFO L280 TraceCheckUtils]: 13: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,366 INFO L280 TraceCheckUtils]: 14: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,367 INFO L280 TraceCheckUtils]: 15: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,368 INFO L280 TraceCheckUtils]: 16: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,369 INFO L280 TraceCheckUtils]: 17: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,369 INFO L280 TraceCheckUtils]: 18: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,370 INFO L280 TraceCheckUtils]: 19: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret53 && isHighWaterLevel_#t~ret53 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,371 INFO L280 TraceCheckUtils]: 20: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,371 INFO L280 TraceCheckUtils]: 21: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,372 INFO L280 TraceCheckUtils]: 22: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret35 && processEnvironment_#t~ret35 <= 2147483647;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,373 INFO L280 TraceCheckUtils]: 23: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} assume 0 != processEnvironment_~tmp~3;~pumpRunning~0 := 1; {3291#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:16,374 INFO L280 TraceCheckUtils]: 24: Hoare triple {3291#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {3292#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:16,375 INFO L280 TraceCheckUtils]: 25: Hoare triple {3292#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret60 && __utac_acc__Specification1_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; {3293#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} is VALID [2020-07-28 18:58:16,375 INFO L280 TraceCheckUtils]: 26: Hoare triple {3293#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {3290#false} is VALID [2020-07-28 18:58:16,376 INFO L280 TraceCheckUtils]: 27: Hoare triple {3290#false} __utac_acc__Specification1_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret61 && __utac_acc__Specification1_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret61;havoc __utac_acc__Specification1_spec__1_#t~ret61; {3290#false} is VALID [2020-07-28 18:58:16,376 INFO L280 TraceCheckUtils]: 28: Hoare triple {3290#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {3290#false} is VALID [2020-07-28 18:58:16,376 INFO L280 TraceCheckUtils]: 29: Hoare triple {3290#false} assume !false; {3290#false} is VALID [2020-07-28 18:58:16,378 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 18:58:16,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750671816] [2020-07-28 18:58:16,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:16,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:16,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159798296] [2020-07-28 18:58:16,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:16,380 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:16,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:16,421 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:16,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:16,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:16,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:16,422 INFO L87 Difference]: Start difference. First operand 83 states and 109 transitions. Second operand 5 states. [2020-07-28 18:58:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,593 INFO L93 Difference]: Finished difference Result 420 states and 562 transitions. [2020-07-28 18:58:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:17,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:17,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 236 transitions. [2020-07-28 18:58:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 236 transitions. [2020-07-28 18:58:17,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 236 transitions. [2020-07-28 18:58:17,877 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,887 INFO L225 Difference]: With dead ends: 420 [2020-07-28 18:58:17,887 INFO L226 Difference]: Without dead ends: 343 [2020-07-28 18:58:17,888 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 18:58:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-07-28 18:58:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 152. [2020-07-28 18:58:18,177 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:18,177 INFO L82 GeneralOperation]: Start isEquivalent. First operand 343 states. Second operand 152 states. [2020-07-28 18:58:18,177 INFO L74 IsIncluded]: Start isIncluded. First operand 343 states. Second operand 152 states. [2020-07-28 18:58:18,177 INFO L87 Difference]: Start difference. First operand 343 states. Second operand 152 states. [2020-07-28 18:58:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,191 INFO L93 Difference]: Finished difference Result 343 states and 451 transitions. [2020-07-28 18:58:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 451 transitions. [2020-07-28 18:58:18,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,192 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 343 states. [2020-07-28 18:58:18,192 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 343 states. [2020-07-28 18:58:18,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,205 INFO L93 Difference]: Finished difference Result 343 states and 451 transitions. [2020-07-28 18:58:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 451 transitions. [2020-07-28 18:58:18,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,206 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:18,206 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-28 18:58:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 198 transitions. [2020-07-28 18:58:18,211 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 198 transitions. Word has length 30 [2020-07-28 18:58:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:18,211 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 198 transitions. [2020-07-28 18:58:18,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 198 transitions. [2020-07-28 18:58:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:18,212 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:18,213 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 18:58:18,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:18,213 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:18,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:18,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1373527294, now seen corresponding path program 1 times [2020-07-28 18:58:18,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:18,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618122315] [2020-07-28 18:58:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:18,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:18,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:18,347 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:18,347 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:18,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:18,475 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:18,475 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:18,475 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L765-1 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L787-1 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L787-1 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L787-1 has no Hoare annotation [2020-07-28 18:58:18,476 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L432-1 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L432-1 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L812-3 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L812-3 has no Hoare annotation [2020-07-28 18:58:18,477 WARN L170 areAnnotationChecker]: L432-2 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L432-2 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L464-1 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L464-1 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L439-1 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L824 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L824 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L600-1 has no Hoare annotation [2020-07-28 18:58:18,478 WARN L170 areAnnotationChecker]: L889-1 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L889-1 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L849-1 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L610 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L610 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L894-1 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L787-2 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L787-2 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L836 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L836 has no Hoare annotation [2020-07-28 18:58:18,479 WARN L170 areAnnotationChecker]: L610-1 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L566-3 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L566-3 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L517-1 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L787-3 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L566-5 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L791-2 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L791-2 has no Hoare annotation [2020-07-28 18:58:18,480 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L626-2 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L626-2 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L410-1 has no Hoare annotation [2020-07-28 18:58:18,481 WARN L170 areAnnotationChecker]: L410-1 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L468-1 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L468-1 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 18:58:18,482 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L812-6 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L812-6 has no Hoare annotation [2020-07-28 18:58:18,483 WARN L170 areAnnotationChecker]: L432-3 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L432-3 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L894 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L464-2 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L464-2 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L439-2 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-28 18:58:18,484 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L517 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L889-2 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L889-2 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L849-2 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L566-2 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L894-2 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L787-4 has no Hoare annotation [2020-07-28 18:58:18,485 WARN L170 areAnnotationChecker]: L787-4 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L566-6 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L566-6 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L517-2 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L787-5 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 18:58:18,486 WARN L170 areAnnotationChecker]: L566-8 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L791-4 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L791-4 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L572-2 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L410-2 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L410-2 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L468-2 has no Hoare annotation [2020-07-28 18:58:18,487 WARN L170 areAnnotationChecker]: L468-2 has no Hoare annotation [2020-07-28 18:58:18,487 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 18:58:18,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:18 BoogieIcfgContainer [2020-07-28 18:58:18,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:18,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:18,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:18,491 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:18,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:09" (3/4) ... [2020-07-28 18:58:18,494 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:18,619 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:18,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:18,622 INFO L168 Benchmark]: Toolchain (without parser) took 11751.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 167.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:18,622 INFO L168 Benchmark]: CDTParser took 0.76 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 18:58:18,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:18,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.66 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 18:58:18,623 INFO L168 Benchmark]: Boogie Preprocessor took 48.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:18,624 INFO L168 Benchmark]: RCFGBuilder took 1611.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.4 MB in the end (delta: 145.3 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:18,624 INFO L168 Benchmark]: TraceAbstraction took 9219.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 193.5 MB). Free memory was 949.4 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:18,625 INFO L168 Benchmark]: Witness Printer took 128.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:18,627 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 0.76 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 643.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.66 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. * Boogie Preprocessor took 48.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1611.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.4 MB in the end (delta: 145.3 MB). Peak memory consumption was 145.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9219.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 193.5 MB). Free memory was 949.4 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * Witness Printer took 128.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 410]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int pumpRunning = 0; [L425] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] int retValue_acc ; [L757] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L581] int splverifierCounter ; [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L585] int tmp___2 ; [L588] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L598] tmp = __VERIFIER_nondet_int() [L600] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] tmp___0 = __VERIFIER_nondet_int() [L610] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L836] COND FALSE !(\read(methaneLevelCritical)) [L839] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L618] tmp___2 = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L439] COND TRUE \read(systemActive) [L461] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L464] COND TRUE ! pumpRunning [L558] int retValue_acc ; [L559] int tmp ; [L560] int tmp___0 ; [L886] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L889] COND FALSE !(waterLevel < 2) [L893] retValue_acc = 0 [L894] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L564] tmp = isHighWaterSensorDry() [L566] COND FALSE !(\read(tmp)) [L569] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L571] retValue_acc = tmp___0 [L572] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L466] tmp = isHighWaterLevel() [L468] COND TRUE \read(tmp) [L489] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L780] int tmp ; [L781] int tmp___0 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L785] tmp = isMethaneLevelCritical() [L787] COND TRUE \read(tmp) [L513] int retValue_acc ; [L516] retValue_acc = pumpRunning [L517] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L789] tmp___0 = isPumpRunning() [L791] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L410] __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, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 577 SDtfs, 704 SDslu, 767 SDs, 0 SdLazy, 102 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred 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: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 367 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 11929 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...