./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product50.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_product50.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 63231100df91d767f63e82b83b0d6c2eaec3a983 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:58:26,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:26,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:26,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:26,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:26,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:26,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:26,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:26,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:26,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:26,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:26,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:26,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:26,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:26,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:26,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:26,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:26,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:26,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:26,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:26,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:26,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:26,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:26,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:26,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:26,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:26,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:26,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:26,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:26,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:26,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:26,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:26,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:26,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:26,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:26,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:26,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:26,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:26,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:26,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:26,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:26,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:26,597 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:26,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:26,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:26,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:26,600 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:26,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:26,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:26,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:26,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:26,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:26,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:26,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:26,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:26,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:26,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:26,605 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:26,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:26,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:26,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:26,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:26,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:26,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:26,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:26,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:26,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:26,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:26,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:26,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:26,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:26,609 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 -> 63231100df91d767f63e82b83b0d6c2eaec3a983 [2020-07-28 18:58:26,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:26,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:26,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:26,916 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:26,917 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:26,918 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2020-07-28 18:58:26,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c954bad/2f29c31d23f5475b8c729a9a7e420a7f/FLAGc0ef4d49b [2020-07-28 18:58:27,495 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:27,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c [2020-07-28 18:58:27,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c954bad/2f29c31d23f5475b8c729a9a7e420a7f/FLAGc0ef4d49b [2020-07-28 18:58:27,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c954bad/2f29c31d23f5475b8c729a9a7e420a7f [2020-07-28 18:58:27,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:27,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:27,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:27,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:27,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:27,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:27" (1/1) ... [2020-07-28 18:58:27,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed5985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:27, skipping insertion in model container [2020-07-28 18:58:27,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:27" (1/1) ... [2020-07-28 18:58:27,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:27,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:28,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:28,366 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:28,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:28,538 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:28,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28 WrapperNode [2020-07-28 18:58:28,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:28,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:28,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:28,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:28,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:28,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:28,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:28,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:28,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (1/1) ... [2020-07-28 18:58:28,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:28,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:28,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:28,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:28,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (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 18:58:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:28,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:30,353 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:30,354 INFO L295 CfgBuilder]: Removed 158 assume(true) statements. [2020-07-28 18:58:30,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:30 BoogieIcfgContainer [2020-07-28 18:58:30,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:30,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:30,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:30,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:30,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:27" (1/3) ... [2020-07-28 18:58:30,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eae762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:30, skipping insertion in model container [2020-07-28 18:58:30,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:28" (2/3) ... [2020-07-28 18:58:30,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eae762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:30, skipping insertion in model container [2020-07-28 18:58:30,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:30" (3/3) ... [2020-07-28 18:58:30,371 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product50.cil.c [2020-07-28 18:58:30,382 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:30,391 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:30,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:30,425 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:30,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:30,426 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:30,426 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:30,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:30,426 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:30,427 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:30,427 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-07-28 18:58:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:30,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:30,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:30,458 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:30,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2020-07-28 18:58:30,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:30,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472285720] [2020-07-28 18:58:30,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:30,789 INFO L280 TraceCheckUtils]: 0: Hoare triple {120#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {120#true} is VALID [2020-07-28 18:58:30,790 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {120#true} is VALID [2020-07-28 18:58:30,790 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {120#true} is VALID [2020-07-28 18:58:30,790 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {120#true} is VALID [2020-07-28 18:58:30,791 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} assume 0 != main_~tmp~1; {120#true} is VALID [2020-07-28 18:58:30,792 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {120#true} is VALID [2020-07-28 18:58:30,794 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#true} assume false; {121#false} is VALID [2020-07-28 18:58:30,794 INFO L280 TraceCheckUtils]: 7: Hoare triple {121#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {121#false} is VALID [2020-07-28 18:58:30,794 INFO L280 TraceCheckUtils]: 8: Hoare triple {121#false} assume !(0 != ~pumpRunning~0); {121#false} is VALID [2020-07-28 18:58:30,795 INFO L280 TraceCheckUtils]: 9: Hoare triple {121#false} assume !(0 != ~systemActive~0); {121#false} is VALID [2020-07-28 18:58:30,795 INFO L280 TraceCheckUtils]: 10: Hoare triple {121#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {121#false} is VALID [2020-07-28 18:58:30,796 INFO L280 TraceCheckUtils]: 11: Hoare triple {121#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {121#false} is VALID [2020-07-28 18:58:30,796 INFO L280 TraceCheckUtils]: 12: Hoare triple {121#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {121#false} is VALID [2020-07-28 18:58:30,797 INFO L280 TraceCheckUtils]: 13: Hoare triple {121#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {121#false} is VALID [2020-07-28 18:58:30,797 INFO L280 TraceCheckUtils]: 14: Hoare triple {121#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {121#false} is VALID [2020-07-28 18:58:30,798 INFO L280 TraceCheckUtils]: 15: Hoare triple {121#false} assume !false; {121#false} is VALID [2020-07-28 18:58:30,801 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 18:58:30,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472285720] [2020-07-28 18:58:30,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:30,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:30,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713768407] [2020-07-28 18:58:30,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:30,814 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:30,818 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:30,859 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 18:58:30,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:30,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:30,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:30,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:30,873 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-07-28 18:58:31,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,175 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2020-07-28 18:58:31,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:31,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:31,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2020-07-28 18:58:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 347 transitions. [2020-07-28 18:58:31,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 347 transitions. [2020-07-28 18:58:31,686 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 347 edges. 347 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:31,703 INFO L225 Difference]: With dead ends: 228 [2020-07-28 18:58:31,703 INFO L226 Difference]: Without dead ends: 113 [2020-07-28 18:58:31,707 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 18:58:31,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-07-28 18:58:31,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-07-28 18:58:31,770 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:31,770 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 113 states. [2020-07-28 18:58:31,771 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 113 states. [2020-07-28 18:58:31,771 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 113 states. [2020-07-28 18:58:31,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,779 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 18:58:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-07-28 18:58:31,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:31,781 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:31,781 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 113 states. [2020-07-28 18:58:31,782 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 113 states. [2020-07-28 18:58:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,789 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 18:58:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-07-28 18:58:31,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:31,790 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:31,791 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:31,791 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-07-28 18:58:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-07-28 18:58:31,799 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2020-07-28 18:58:31,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:31,799 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-07-28 18:58:31,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:31,800 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-07-28 18:58:31,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:31,801 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:31,801 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 18:58:31,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:31,801 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:31,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:31,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2020-07-28 18:58:31,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:31,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50668718] [2020-07-28 18:58:31,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:31,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {815#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {815#true} is VALID [2020-07-28 18:58:31,995 INFO L280 TraceCheckUtils]: 1: Hoare triple {815#true} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {815#true} is VALID [2020-07-28 18:58:31,995 INFO L280 TraceCheckUtils]: 2: Hoare triple {815#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {815#true} is VALID [2020-07-28 18:58:31,996 INFO L280 TraceCheckUtils]: 3: Hoare triple {815#true} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {815#true} is VALID [2020-07-28 18:58:31,996 INFO L280 TraceCheckUtils]: 4: Hoare triple {815#true} assume 0 != main_~tmp~1; {815#true} is VALID [2020-07-28 18:58:31,998 INFO L280 TraceCheckUtils]: 5: Hoare triple {815#true} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {817#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:31,999 INFO L280 TraceCheckUtils]: 6: Hoare triple {817#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {817#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:32,001 INFO L280 TraceCheckUtils]: 7: Hoare triple {817#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {816#false} is VALID [2020-07-28 18:58:32,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {816#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {816#false} is VALID [2020-07-28 18:58:32,002 INFO L280 TraceCheckUtils]: 9: Hoare triple {816#false} assume !(0 != ~pumpRunning~0); {816#false} is VALID [2020-07-28 18:58:32,002 INFO L280 TraceCheckUtils]: 10: Hoare triple {816#false} assume !(0 != ~systemActive~0); {816#false} is VALID [2020-07-28 18:58:32,002 INFO L280 TraceCheckUtils]: 11: Hoare triple {816#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {816#false} is VALID [2020-07-28 18:58:32,003 INFO L280 TraceCheckUtils]: 12: Hoare triple {816#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {816#false} is VALID [2020-07-28 18:58:32,003 INFO L280 TraceCheckUtils]: 13: Hoare triple {816#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {816#false} is VALID [2020-07-28 18:58:32,003 INFO L280 TraceCheckUtils]: 14: Hoare triple {816#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {816#false} is VALID [2020-07-28 18:58:32,004 INFO L280 TraceCheckUtils]: 15: Hoare triple {816#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {816#false} is VALID [2020-07-28 18:58:32,004 INFO L280 TraceCheckUtils]: 16: Hoare triple {816#false} assume !false; {816#false} is VALID [2020-07-28 18:58:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:32,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50668718] [2020-07-28 18:58:32,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:32,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:32,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904448465] [2020-07-28 18:58:32,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:32,009 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:32,010 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:32,045 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 18:58:32,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:32,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:32,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:32,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:32,047 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-07-28 18:58:32,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,297 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-07-28 18:58:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:32,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:32,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 18:58:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 18:58:32,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2020-07-28 18:58:32,510 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:32,512 INFO L225 Difference]: With dead ends: 113 [2020-07-28 18:58:32,512 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 18:58:32,514 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 18:58:32,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 18:58:32,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 18:58:32,535 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:32,535 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:32,535 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:32,535 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:32,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,538 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:58:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:32,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:32,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:32,539 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:32,539 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:32,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,542 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:58:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:32,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:32,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:32,544 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:32,544 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 18:58:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-07-28 18:58:32,547 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-07-28 18:58:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:32,548 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-07-28 18:58:32,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:32,549 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:32,549 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 18:58:32,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:32,550 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:32,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:32,551 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2020-07-28 18:58:32,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:32,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550123235] [2020-07-28 18:58:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:32,691 INFO L280 TraceCheckUtils]: 0: Hoare triple {1132#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1132#true} is VALID [2020-07-28 18:58:32,691 INFO L280 TraceCheckUtils]: 1: Hoare triple {1132#true} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {1132#true} is VALID [2020-07-28 18:58:32,692 INFO L280 TraceCheckUtils]: 2: Hoare triple {1132#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1134#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:32,693 INFO L280 TraceCheckUtils]: 3: Hoare triple {1134#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {1135#(= 1 ULTIMATE.start_main_~tmp~1)} is VALID [2020-07-28 18:58:32,693 INFO L280 TraceCheckUtils]: 4: Hoare triple {1135#(= 1 ULTIMATE.start_main_~tmp~1)} assume 0 != main_~tmp~1; {1132#true} is VALID [2020-07-28 18:58:32,693 INFO L280 TraceCheckUtils]: 5: Hoare triple {1132#true} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1132#true} is VALID [2020-07-28 18:58:32,694 INFO L280 TraceCheckUtils]: 6: Hoare triple {1132#true} assume !false; {1132#true} is VALID [2020-07-28 18:58:32,694 INFO L280 TraceCheckUtils]: 7: Hoare triple {1132#true} assume test_~splverifierCounter~0 < 4; {1132#true} is VALID [2020-07-28 18:58:32,694 INFO L280 TraceCheckUtils]: 8: Hoare triple {1132#true} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {1132#true} is VALID [2020-07-28 18:58:32,694 INFO L280 TraceCheckUtils]: 9: Hoare triple {1132#true} assume !(0 != test_~tmp~2); {1132#true} is VALID [2020-07-28 18:58:32,695 INFO L280 TraceCheckUtils]: 10: Hoare triple {1132#true} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {1132#true} is VALID [2020-07-28 18:58:32,695 INFO L280 TraceCheckUtils]: 11: Hoare triple {1132#true} assume !(0 != test_~tmp___0~1); {1132#true} is VALID [2020-07-28 18:58:32,695 INFO L280 TraceCheckUtils]: 12: Hoare triple {1132#true} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {1132#true} is VALID [2020-07-28 18:58:32,696 INFO L280 TraceCheckUtils]: 13: Hoare triple {1132#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1136#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:32,698 INFO L280 TraceCheckUtils]: 14: Hoare triple {1136#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1136#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:32,699 INFO L280 TraceCheckUtils]: 15: Hoare triple {1136#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1133#false} is VALID [2020-07-28 18:58:32,700 INFO L280 TraceCheckUtils]: 16: Hoare triple {1133#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1133#false} is VALID [2020-07-28 18:58:32,700 INFO L280 TraceCheckUtils]: 17: Hoare triple {1133#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1133#false} is VALID [2020-07-28 18:58:32,700 INFO L280 TraceCheckUtils]: 18: Hoare triple {1133#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1133#false} is VALID [2020-07-28 18:58:32,701 INFO L280 TraceCheckUtils]: 19: Hoare triple {1133#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1133#false} is VALID [2020-07-28 18:58:32,701 INFO L280 TraceCheckUtils]: 20: Hoare triple {1133#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1133#false} is VALID [2020-07-28 18:58:32,701 INFO L280 TraceCheckUtils]: 21: Hoare triple {1133#false} assume !false; {1133#false} is VALID [2020-07-28 18:58:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:32,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550123235] [2020-07-28 18:58:32,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:32,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:32,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672245678] [2020-07-28 18:58:32,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:32,704 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:32,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:32,735 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 18:58:32,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:32,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:32,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:32,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:32,736 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-07-28 18:58:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,138 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-07-28 18:58:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:58:33,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions. [2020-07-28 18:58:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions. [2020-07-28 18:58:33,144 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 130 transitions. [2020-07-28 18:58:33,301 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,303 INFO L225 Difference]: With dead ends: 88 [2020-07-28 18:58:33,304 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 18:58:33,305 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 18:58:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 18:58:33,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 18:58:33,352 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:33,352 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:33,352 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:33,353 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,355 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2020-07-28 18:58:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 18:58:33,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,358 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:33,358 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,367 INFO L93 Difference]: Finished difference Result 47 states and 67 transitions. [2020-07-28 18:58:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 18:58:33,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,369 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,369 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:33,370 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 18:58:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-07-28 18:58:33,374 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2020-07-28 18:58:33,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:33,377 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-07-28 18:58:33,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-07-28 18:58:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:33,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:33,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:33,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:33,379 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:33,380 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2020-07-28 18:58:33,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:33,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695023555] [2020-07-28 18:58:33,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:33,514 INFO L280 TraceCheckUtils]: 0: Hoare triple {1421#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,516 INFO L280 TraceCheckUtils]: 1: Hoare triple {1423#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,516 INFO L280 TraceCheckUtils]: 2: Hoare triple {1423#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,517 INFO L280 TraceCheckUtils]: 3: Hoare triple {1423#(= 0 ~pumpRunning~0)} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,517 INFO L280 TraceCheckUtils]: 4: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,518 INFO L280 TraceCheckUtils]: 5: Hoare triple {1423#(= 0 ~pumpRunning~0)} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,521 INFO L280 TraceCheckUtils]: 6: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume !false; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,522 INFO L280 TraceCheckUtils]: 7: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,523 INFO L280 TraceCheckUtils]: 8: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,523 INFO L280 TraceCheckUtils]: 9: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~2); {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,524 INFO L280 TraceCheckUtils]: 10: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,525 INFO L280 TraceCheckUtils]: 11: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,525 INFO L280 TraceCheckUtils]: 12: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,526 INFO L280 TraceCheckUtils]: 13: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,526 INFO L280 TraceCheckUtils]: 14: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,527 INFO L280 TraceCheckUtils]: 15: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,528 INFO L280 TraceCheckUtils]: 16: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; {1423#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:33,528 INFO L280 TraceCheckUtils]: 17: Hoare triple {1423#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1422#false} is VALID [2020-07-28 18:58:33,529 INFO L280 TraceCheckUtils]: 18: Hoare triple {1422#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1422#false} is VALID [2020-07-28 18:58:33,529 INFO L280 TraceCheckUtils]: 19: Hoare triple {1422#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1422#false} is VALID [2020-07-28 18:58:33,529 INFO L280 TraceCheckUtils]: 20: Hoare triple {1422#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1422#false} is VALID [2020-07-28 18:58:33,529 INFO L280 TraceCheckUtils]: 21: Hoare triple {1422#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1422#false} is VALID [2020-07-28 18:58:33,530 INFO L280 TraceCheckUtils]: 22: Hoare triple {1422#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1422#false} is VALID [2020-07-28 18:58:33,530 INFO L280 TraceCheckUtils]: 23: Hoare triple {1422#false} assume !false; {1422#false} is VALID [2020-07-28 18:58:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:33,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695023555] [2020-07-28 18:58:33,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:33,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:33,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811918127] [2020-07-28 18:58:33,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:33,533 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:33,534 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:33,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:33,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:33,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:33,568 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-07-28 18:58:33,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,816 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2020-07-28 18:58:33,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:33,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:33,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2020-07-28 18:58:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2020-07-28 18:58:33,822 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 158 transitions. [2020-07-28 18:58:34,014 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,017 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:58:34,017 INFO L226 Difference]: Without dead ends: 68 [2020-07-28 18:58:34,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:34,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-28 18:58:34,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-28 18:58:34,105 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:34,105 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-28 18:58:34,105 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-28 18:58:34,105 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-28 18:58:34,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,108 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2020-07-28 18:58:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-28 18:58:34,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:34,109 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:34,109 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-28 18:58:34,109 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-28 18:58:34,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,112 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2020-07-28 18:58:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-07-28 18:58:34,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:34,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:34,113 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:34,113 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-28 18:58:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2020-07-28 18:58:34,115 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2020-07-28 18:58:34,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:34,116 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2020-07-28 18:58:34,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-07-28 18:58:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:34,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:34,117 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 18:58:34,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:34,117 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:34,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:34,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2020-07-28 18:58:34,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:34,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867931228] [2020-07-28 18:58:34,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:34,242 INFO L280 TraceCheckUtils]: 0: Hoare triple {1801#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1801#true} is VALID [2020-07-28 18:58:34,243 INFO L280 TraceCheckUtils]: 1: Hoare triple {1801#true} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {1801#true} is VALID [2020-07-28 18:58:34,244 INFO L280 TraceCheckUtils]: 2: Hoare triple {1801#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1801#true} is VALID [2020-07-28 18:58:34,244 INFO L280 TraceCheckUtils]: 3: Hoare triple {1801#true} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {1801#true} is VALID [2020-07-28 18:58:34,244 INFO L280 TraceCheckUtils]: 4: Hoare triple {1801#true} assume 0 != main_~tmp~1; {1801#true} is VALID [2020-07-28 18:58:34,244 INFO L280 TraceCheckUtils]: 5: Hoare triple {1801#true} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1801#true} is VALID [2020-07-28 18:58:34,244 INFO L280 TraceCheckUtils]: 6: Hoare triple {1801#true} assume !false; {1801#true} is VALID [2020-07-28 18:58:34,245 INFO L280 TraceCheckUtils]: 7: Hoare triple {1801#true} assume test_~splverifierCounter~0 < 4; {1801#true} is VALID [2020-07-28 18:58:34,245 INFO L280 TraceCheckUtils]: 8: Hoare triple {1801#true} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {1801#true} is VALID [2020-07-28 18:58:34,246 INFO L280 TraceCheckUtils]: 9: Hoare triple {1801#true} assume !(0 != test_~tmp~2); {1801#true} is VALID [2020-07-28 18:58:34,246 INFO L280 TraceCheckUtils]: 10: Hoare triple {1801#true} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {1801#true} is VALID [2020-07-28 18:58:34,246 INFO L280 TraceCheckUtils]: 11: Hoare triple {1801#true} assume !(0 != test_~tmp___0~1); {1801#true} is VALID [2020-07-28 18:58:34,247 INFO L280 TraceCheckUtils]: 12: Hoare triple {1801#true} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {1801#true} is VALID [2020-07-28 18:58:34,247 INFO L280 TraceCheckUtils]: 13: Hoare triple {1801#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1801#true} is VALID [2020-07-28 18:58:34,247 INFO L280 TraceCheckUtils]: 14: Hoare triple {1801#true} assume !(0 != ~pumpRunning~0); {1801#true} is VALID [2020-07-28 18:58:34,247 INFO L280 TraceCheckUtils]: 15: Hoare triple {1801#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1801#true} is VALID [2020-07-28 18:58:34,248 INFO L280 TraceCheckUtils]: 16: Hoare triple {1801#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; {1801#true} is VALID [2020-07-28 18:58:34,248 INFO L280 TraceCheckUtils]: 17: Hoare triple {1801#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {1801#true} is VALID [2020-07-28 18:58:34,248 INFO L280 TraceCheckUtils]: 18: Hoare triple {1801#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {1801#true} is VALID [2020-07-28 18:58:34,251 INFO L280 TraceCheckUtils]: 19: Hoare triple {1801#true} isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret37 && isHighWaterLevel_#t~ret37 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; {1801#true} is VALID [2020-07-28 18:58:34,252 INFO L280 TraceCheckUtils]: 20: Hoare triple {1801#true} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; {1803#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} is VALID [2020-07-28 18:58:34,252 INFO L280 TraceCheckUtils]: 21: Hoare triple {1803#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {1804#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:34,253 INFO L280 TraceCheckUtils]: 22: Hoare triple {1804#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret18 && processEnvironment__wrappee__highWaterSensor_#t~ret18 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; {1805#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~3)} is VALID [2020-07-28 18:58:34,254 INFO L280 TraceCheckUtils]: 23: Hoare triple {1805#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~3)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~3;~pumpRunning~0 := 1; {1802#false} is VALID [2020-07-28 18:58:34,254 INFO L280 TraceCheckUtils]: 24: Hoare triple {1802#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1802#false} is VALID [2020-07-28 18:58:34,254 INFO L280 TraceCheckUtils]: 25: Hoare triple {1802#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1802#false} is VALID [2020-07-28 18:58:34,255 INFO L280 TraceCheckUtils]: 26: Hoare triple {1802#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1802#false} is VALID [2020-07-28 18:58:34,255 INFO L280 TraceCheckUtils]: 27: Hoare triple {1802#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1802#false} is VALID [2020-07-28 18:58:34,255 INFO L280 TraceCheckUtils]: 28: Hoare triple {1802#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1802#false} is VALID [2020-07-28 18:58:34,256 INFO L280 TraceCheckUtils]: 29: Hoare triple {1802#false} assume !false; {1802#false} is VALID [2020-07-28 18:58:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:34,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867931228] [2020-07-28 18:58:34,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:34,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:34,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094229241] [2020-07-28 18:58:34,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:34,262 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:34,262 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:34,296 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 18:58:34,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:34,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:34,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:34,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:34,297 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2020-07-28 18:58:34,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:34,966 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2020-07-28 18:58:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:34,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:34,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 191 transitions. [2020-07-28 18:58:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 191 transitions. [2020-07-28 18:58:34,973 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 191 transitions. [2020-07-28 18:58:35,212 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:35,216 INFO L225 Difference]: With dead ends: 175 [2020-07-28 18:58:35,216 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 18:58:35,217 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 18:58:35,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 18:58:35,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2020-07-28 18:58:35,307 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:35,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 72 states. [2020-07-28 18:58:35,307 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 72 states. [2020-07-28 18:58:35,307 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 72 states. [2020-07-28 18:58:35,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,311 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2020-07-28 18:58:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2020-07-28 18:58:35,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:35,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:35,312 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 115 states. [2020-07-28 18:58:35,312 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 115 states. [2020-07-28 18:58:35,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,316 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2020-07-28 18:58:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2020-07-28 18:58:35,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:35,317 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:35,317 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:35,317 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 18:58:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2020-07-28 18:58:35,322 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2020-07-28 18:58:35,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:35,323 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2020-07-28 18:58:35,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-07-28 18:58:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:35,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:35,324 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 18:58:35,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:35,324 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:35,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:35,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2020-07-28 18:58:35,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:35,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931769395] [2020-07-28 18:58:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:35,400 INFO L280 TraceCheckUtils]: 0: Hoare triple {2383#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,401 INFO L280 TraceCheckUtils]: 1: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,402 INFO L280 TraceCheckUtils]: 2: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,402 INFO L280 TraceCheckUtils]: 3: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~1; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,403 INFO L280 TraceCheckUtils]: 5: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,404 INFO L280 TraceCheckUtils]: 6: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume !false; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,404 INFO L280 TraceCheckUtils]: 7: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,405 INFO L280 TraceCheckUtils]: 8: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,406 INFO L280 TraceCheckUtils]: 9: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~2); {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,406 INFO L280 TraceCheckUtils]: 10: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,410 INFO L280 TraceCheckUtils]: 11: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,414 INFO L280 TraceCheckUtils]: 12: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,415 INFO L280 TraceCheckUtils]: 13: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,415 INFO L280 TraceCheckUtils]: 14: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,416 INFO L280 TraceCheckUtils]: 15: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,417 INFO L280 TraceCheckUtils]: 16: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,417 INFO L280 TraceCheckUtils]: 17: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,418 INFO L280 TraceCheckUtils]: 18: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,419 INFO L280 TraceCheckUtils]: 19: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret37 && isHighWaterLevel_#t~ret37 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,420 INFO L280 TraceCheckUtils]: 20: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,420 INFO L280 TraceCheckUtils]: 21: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,421 INFO L280 TraceCheckUtils]: 22: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret18 && processEnvironment__wrappee__highWaterSensor_#t~ret18 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,422 INFO L280 TraceCheckUtils]: 23: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); {2385#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:35,422 INFO L280 TraceCheckUtils]: 24: Hoare triple {2385#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {2386#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:35,423 INFO L280 TraceCheckUtils]: 25: Hoare triple {2386#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {2387#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} is VALID [2020-07-28 18:58:35,424 INFO L280 TraceCheckUtils]: 26: Hoare triple {2387#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {2384#false} is VALID [2020-07-28 18:58:35,424 INFO L280 TraceCheckUtils]: 27: Hoare triple {2384#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {2384#false} is VALID [2020-07-28 18:58:35,424 INFO L280 TraceCheckUtils]: 28: Hoare triple {2384#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2384#false} is VALID [2020-07-28 18:58:35,425 INFO L280 TraceCheckUtils]: 29: Hoare triple {2384#false} assume !false; {2384#false} is VALID [2020-07-28 18:58:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:35,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931769395] [2020-07-28 18:58:35,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:35,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:35,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751513820] [2020-07-28 18:58:35,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:35,428 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:35,428 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:35,469 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 18:58:35,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:35,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:35,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:35,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:35,470 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2020-07-28 18:58:36,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,594 INFO L93 Difference]: Finished difference Result 382 states and 538 transitions. [2020-07-28 18:58:36,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:36,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:36,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 370 transitions. [2020-07-28 18:58:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 370 transitions. [2020-07-28 18:58:36,605 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 370 transitions. [2020-07-28 18:58:37,031 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 370 edges. 370 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,040 INFO L225 Difference]: With dead ends: 382 [2020-07-28 18:58:37,040 INFO L226 Difference]: Without dead ends: 316 [2020-07-28 18:58:37,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-07-28 18:58:37,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 132. [2020-07-28 18:58:37,263 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:37,264 INFO L82 GeneralOperation]: Start isEquivalent. First operand 316 states. Second operand 132 states. [2020-07-28 18:58:37,264 INFO L74 IsIncluded]: Start isIncluded. First operand 316 states. Second operand 132 states. [2020-07-28 18:58:37,264 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 132 states. [2020-07-28 18:58:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,278 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2020-07-28 18:58:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 440 transitions. [2020-07-28 18:58:37,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,280 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,280 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 316 states. [2020-07-28 18:58:37,280 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 316 states. [2020-07-28 18:58:37,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,292 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2020-07-28 18:58:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 440 transitions. [2020-07-28 18:58:37,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,294 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:37,294 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-28 18:58:37,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2020-07-28 18:58:37,308 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 30 [2020-07-28 18:58:37,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:37,308 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2020-07-28 18:58:37,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2020-07-28 18:58:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:37,315 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:37,316 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 18:58:37,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:37,316 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:37,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:37,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1715093079, now seen corresponding path program 1 times [2020-07-28 18:58:37,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:37,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322763312] [2020-07-28 18:58:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:37,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {3736#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {3738#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,436 INFO L280 TraceCheckUtils]: 2: Hoare triple {3738#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,437 INFO L280 TraceCheckUtils]: 3: Hoare triple {3738#(= 0 ~pumpRunning~0)} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,438 INFO L280 TraceCheckUtils]: 4: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,439 INFO L280 TraceCheckUtils]: 5: Hoare triple {3738#(= 0 ~pumpRunning~0)} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,440 INFO L280 TraceCheckUtils]: 6: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume !false; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,441 INFO L280 TraceCheckUtils]: 7: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,442 INFO L280 TraceCheckUtils]: 8: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,443 INFO L280 TraceCheckUtils]: 9: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~2); {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,444 INFO L280 TraceCheckUtils]: 10: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,445 INFO L280 TraceCheckUtils]: 11: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~1; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,445 INFO L280 TraceCheckUtils]: 12: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,446 INFO L280 TraceCheckUtils]: 13: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,447 INFO L280 TraceCheckUtils]: 14: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,448 INFO L280 TraceCheckUtils]: 15: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,449 INFO L280 TraceCheckUtils]: 16: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,449 INFO L280 TraceCheckUtils]: 17: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,450 INFO L280 TraceCheckUtils]: 18: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,451 INFO L280 TraceCheckUtils]: 19: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,452 INFO L280 TraceCheckUtils]: 20: Hoare triple {3738#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret37 && isHighWaterLevel_#t~ret37 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,452 INFO L280 TraceCheckUtils]: 21: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,453 INFO L280 TraceCheckUtils]: 22: Hoare triple {3738#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,454 INFO L280 TraceCheckUtils]: 23: Hoare triple {3738#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret18 && processEnvironment__wrappee__highWaterSensor_#t~ret18 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,455 INFO L280 TraceCheckUtils]: 24: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,455 INFO L280 TraceCheckUtils]: 25: Hoare triple {3738#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,456 INFO L280 TraceCheckUtils]: 26: Hoare triple {3738#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {3738#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:37,457 INFO L280 TraceCheckUtils]: 27: Hoare triple {3738#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {3739#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:37,458 INFO L280 TraceCheckUtils]: 28: Hoare triple {3739#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {3740#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:37,459 INFO L280 TraceCheckUtils]: 29: Hoare triple {3740#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3737#false} is VALID [2020-07-28 18:58:37,459 INFO L280 TraceCheckUtils]: 30: Hoare triple {3737#false} assume !false; {3737#false} is VALID [2020-07-28 18:58:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:37,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322763312] [2020-07-28 18:58:37,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:37,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:37,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217992400] [2020-07-28 18:58:37,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:37,464 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:37,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:37,515 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:37,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:37,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:37,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:37,517 INFO L87 Difference]: Start difference. First operand 132 states and 181 transitions. Second operand 5 states. [2020-07-28 18:58:38,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,758 INFO L93 Difference]: Finished difference Result 378 states and 520 transitions. [2020-07-28 18:58:38,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:38,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:38,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 262 transitions. [2020-07-28 18:58:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 262 transitions. [2020-07-28 18:58:38,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 262 transitions. [2020-07-28 18:58:39,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 262 edges. 262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,078 INFO L225 Difference]: With dead ends: 378 [2020-07-28 18:58:39,078 INFO L226 Difference]: Without dead ends: 376 [2020-07-28 18:58:39,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:39,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-28 18:58:39,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-07-28 18:58:39,309 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:39,310 INFO L82 GeneralOperation]: Start isEquivalent. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:39,310 INFO L74 IsIncluded]: Start isIncluded. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:39,310 INFO L87 Difference]: Start difference. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,321 INFO L93 Difference]: Finished difference Result 376 states and 518 transitions. [2020-07-28 18:58:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 518 transitions. [2020-07-28 18:58:39,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,322 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,323 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 376 states. [2020-07-28 18:58:39,323 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 376 states. [2020-07-28 18:58:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,334 INFO L93 Difference]: Finished difference Result 376 states and 518 transitions. [2020-07-28 18:58:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 518 transitions. [2020-07-28 18:58:39,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,335 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:39,335 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-28 18:58:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 180 transitions. [2020-07-28 18:58:39,339 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 180 transitions. Word has length 31 [2020-07-28 18:58:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:39,339 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 180 transitions. [2020-07-28 18:58:39,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 180 transitions. [2020-07-28 18:58:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:39,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:39,340 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 18:58:39,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:39,340 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:39,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1340444974, now seen corresponding path program 1 times [2020-07-28 18:58:39,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:39,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748836708] [2020-07-28 18:58:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:39,402 INFO L280 TraceCheckUtils]: 0: Hoare triple {5203#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {5203#true} is VALID [2020-07-28 18:58:39,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {5203#true} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {5203#true} is VALID [2020-07-28 18:58:39,402 INFO L280 TraceCheckUtils]: 2: Hoare triple {5203#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {5203#true} is VALID [2020-07-28 18:58:39,402 INFO L280 TraceCheckUtils]: 3: Hoare triple {5203#true} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {5203#true} is VALID [2020-07-28 18:58:39,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {5203#true} assume 0 != main_~tmp~1; {5203#true} is VALID [2020-07-28 18:58:39,403 INFO L280 TraceCheckUtils]: 5: Hoare triple {5203#true} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5203#true} is VALID [2020-07-28 18:58:39,403 INFO L280 TraceCheckUtils]: 6: Hoare triple {5203#true} assume !false; {5203#true} is VALID [2020-07-28 18:58:39,403 INFO L280 TraceCheckUtils]: 7: Hoare triple {5203#true} assume test_~splverifierCounter~0 < 4; {5203#true} is VALID [2020-07-28 18:58:39,404 INFO L280 TraceCheckUtils]: 8: Hoare triple {5203#true} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {5203#true} is VALID [2020-07-28 18:58:39,404 INFO L280 TraceCheckUtils]: 9: Hoare triple {5203#true} assume !(0 != test_~tmp~2); {5203#true} is VALID [2020-07-28 18:58:39,404 INFO L280 TraceCheckUtils]: 10: Hoare triple {5203#true} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {5203#true} is VALID [2020-07-28 18:58:39,404 INFO L280 TraceCheckUtils]: 11: Hoare triple {5203#true} assume 0 != test_~tmp___0~1; {5203#true} is VALID [2020-07-28 18:58:39,405 INFO L280 TraceCheckUtils]: 12: Hoare triple {5203#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5203#true} is VALID [2020-07-28 18:58:39,405 INFO L280 TraceCheckUtils]: 13: Hoare triple {5203#true} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {5203#true} is VALID [2020-07-28 18:58:39,405 INFO L280 TraceCheckUtils]: 14: Hoare triple {5203#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5203#true} is VALID [2020-07-28 18:58:39,405 INFO L280 TraceCheckUtils]: 15: Hoare triple {5203#true} assume !(0 != ~pumpRunning~0); {5203#true} is VALID [2020-07-28 18:58:39,405 INFO L280 TraceCheckUtils]: 16: Hoare triple {5203#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {5203#true} is VALID [2020-07-28 18:58:39,406 INFO L280 TraceCheckUtils]: 17: Hoare triple {5203#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; {5203#true} is VALID [2020-07-28 18:58:39,406 INFO L280 TraceCheckUtils]: 18: Hoare triple {5203#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {5203#true} is VALID [2020-07-28 18:58:39,407 INFO L280 TraceCheckUtils]: 19: Hoare triple {5203#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {5205#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:39,407 INFO L280 TraceCheckUtils]: 20: Hoare triple {5205#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret37 && isHighWaterLevel_#t~ret37 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; {5206#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5)} is VALID [2020-07-28 18:58:39,408 INFO L280 TraceCheckUtils]: 21: Hoare triple {5206#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~5)} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {5204#false} is VALID [2020-07-28 18:58:39,408 INFO L280 TraceCheckUtils]: 22: Hoare triple {5204#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {5204#false} is VALID [2020-07-28 18:58:39,409 INFO L280 TraceCheckUtils]: 23: Hoare triple {5204#false} processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret18 && processEnvironment__wrappee__highWaterSensor_#t~ret18 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; {5204#false} is VALID [2020-07-28 18:58:39,409 INFO L280 TraceCheckUtils]: 24: Hoare triple {5204#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~3;~pumpRunning~0 := 1; {5204#false} is VALID [2020-07-28 18:58:39,409 INFO L280 TraceCheckUtils]: 25: Hoare triple {5204#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {5204#false} is VALID [2020-07-28 18:58:39,409 INFO L280 TraceCheckUtils]: 26: Hoare triple {5204#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {5204#false} is VALID [2020-07-28 18:58:39,409 INFO L280 TraceCheckUtils]: 27: Hoare triple {5204#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {5204#false} is VALID [2020-07-28 18:58:39,410 INFO L280 TraceCheckUtils]: 28: Hoare triple {5204#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {5204#false} is VALID [2020-07-28 18:58:39,410 INFO L280 TraceCheckUtils]: 29: Hoare triple {5204#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {5204#false} is VALID [2020-07-28 18:58:39,410 INFO L280 TraceCheckUtils]: 30: Hoare triple {5204#false} assume !false; {5204#false} is VALID [2020-07-28 18:58:39,411 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 18:58:39,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748836708] [2020-07-28 18:58:39,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:39,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:39,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757118734] [2020-07-28 18:58:39,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 18:58:39,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:39,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:39,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:39,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:39,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:39,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:39,461 INFO L87 Difference]: Start difference. First operand 132 states and 180 transitions. Second operand 4 states. [2020-07-28 18:58:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,276 INFO L93 Difference]: Finished difference Result 316 states and 428 transitions. [2020-07-28 18:58:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:40,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 18:58:40,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2020-07-28 18:58:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:40,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 165 transitions. [2020-07-28 18:58:40,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 165 transitions. [2020-07-28 18:58:40,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,460 INFO L225 Difference]: With dead ends: 316 [2020-07-28 18:58:40,460 INFO L226 Difference]: Without dead ends: 190 [2020-07-28 18:58:40,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-28 18:58:40,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 140. [2020-07-28 18:58:40,791 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:40,791 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 140 states. [2020-07-28 18:58:40,791 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 140 states. [2020-07-28 18:58:40,791 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 140 states. [2020-07-28 18:58:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,796 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2020-07-28 18:58:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2020-07-28 18:58:40,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,796 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,797 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 190 states. [2020-07-28 18:58:40,797 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 190 states. [2020-07-28 18:58:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,801 INFO L93 Difference]: Finished difference Result 190 states and 250 transitions. [2020-07-28 18:58:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2020-07-28 18:58:40,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,802 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:40,802 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-28 18:58:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 188 transitions. [2020-07-28 18:58:40,805 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 188 transitions. Word has length 31 [2020-07-28 18:58:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:40,805 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 188 transitions. [2020-07-28 18:58:40,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 188 transitions. [2020-07-28 18:58:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:40,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:40,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:40,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:40,807 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:40,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:40,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1082279536, now seen corresponding path program 1 times [2020-07-28 18:58:40,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:40,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118052669] [2020-07-28 18:58:40,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {6219#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,885 INFO L280 TraceCheckUtils]: 1: Hoare triple {6221#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret12, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,886 INFO L280 TraceCheckUtils]: 2: Hoare triple {6221#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,887 INFO L280 TraceCheckUtils]: 3: Hoare triple {6221#(= 1 ~waterLevel~0)} main_#t~ret12 := valid_product_#res;assume -2147483648 <= main_#t~ret12 && main_#t~ret12 <= 2147483647;main_~tmp~1 := main_#t~ret12;havoc main_#t~ret12; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,896 INFO L280 TraceCheckUtils]: 4: Hoare triple {6221#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,897 INFO L280 TraceCheckUtils]: 5: Hoare triple {6221#(= 1 ~waterLevel~0)} havoc test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,898 INFO L280 TraceCheckUtils]: 6: Hoare triple {6221#(= 1 ~waterLevel~0)} assume !false; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,898 INFO L280 TraceCheckUtils]: 7: Hoare triple {6221#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,899 INFO L280 TraceCheckUtils]: 8: Hoare triple {6221#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp~2 := test_#t~nondet14;havoc test_#t~nondet14; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,900 INFO L280 TraceCheckUtils]: 9: Hoare triple {6221#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~2); {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,901 INFO L280 TraceCheckUtils]: 10: Hoare triple {6221#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___0~1 := test_#t~nondet15;havoc test_#t~nondet15; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,901 INFO L280 TraceCheckUtils]: 11: Hoare triple {6221#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~1; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,902 INFO L280 TraceCheckUtils]: 12: Hoare triple {6221#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,903 INFO L280 TraceCheckUtils]: 13: Hoare triple {6221#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet16 && test_#t~nondet16 <= 2147483647;test_~tmp___2~0 := test_#t~nondet16;havoc test_#t~nondet16; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,904 INFO L280 TraceCheckUtils]: 14: Hoare triple {6221#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,904 INFO L280 TraceCheckUtils]: 15: Hoare triple {6221#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,905 INFO L280 TraceCheckUtils]: 16: Hoare triple {6221#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret19, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,906 INFO L280 TraceCheckUtils]: 17: Hoare triple {6221#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret18, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,907 INFO L280 TraceCheckUtils]: 18: Hoare triple {6221#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret37, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {6221#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:40,908 INFO L280 TraceCheckUtils]: 19: Hoare triple {6221#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {6220#false} is VALID [2020-07-28 18:58:40,909 INFO L280 TraceCheckUtils]: 20: Hoare triple {6220#false} isHighWaterLevel_#t~ret37 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret37 && isHighWaterLevel_#t~ret37 <= 2147483647;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret37;havoc isHighWaterLevel_#t~ret37; {6220#false} is VALID [2020-07-28 18:58:40,909 INFO L280 TraceCheckUtils]: 21: Hoare triple {6220#false} assume !(0 != isHighWaterLevel_~tmp~5);isHighWaterLevel_~tmp___0~2 := 1; {6220#false} is VALID [2020-07-28 18:58:40,909 INFO L280 TraceCheckUtils]: 22: Hoare triple {6220#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {6220#false} is VALID [2020-07-28 18:58:40,909 INFO L280 TraceCheckUtils]: 23: Hoare triple {6220#false} processEnvironment__wrappee__highWaterSensor_#t~ret18 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret18 && processEnvironment__wrappee__highWaterSensor_#t~ret18 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret18;havoc processEnvironment__wrappee__highWaterSensor_#t~ret18; {6220#false} is VALID [2020-07-28 18:58:40,909 INFO L280 TraceCheckUtils]: 24: Hoare triple {6220#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~3;~pumpRunning~0 := 1; {6220#false} is VALID [2020-07-28 18:58:40,910 INFO L280 TraceCheckUtils]: 25: Hoare triple {6220#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {6220#false} is VALID [2020-07-28 18:58:40,910 INFO L280 TraceCheckUtils]: 26: Hoare triple {6220#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {6220#false} is VALID [2020-07-28 18:58:40,911 INFO L280 TraceCheckUtils]: 27: Hoare triple {6220#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {6220#false} is VALID [2020-07-28 18:58:40,911 INFO L280 TraceCheckUtils]: 28: Hoare triple {6220#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {6220#false} is VALID [2020-07-28 18:58:40,911 INFO L280 TraceCheckUtils]: 29: Hoare triple {6220#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {6220#false} is VALID [2020-07-28 18:58:40,911 INFO L280 TraceCheckUtils]: 30: Hoare triple {6220#false} assume !false; {6220#false} is VALID [2020-07-28 18:58:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:40,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118052669] [2020-07-28 18:58:40,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:40,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:40,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966536221] [2020-07-28 18:58:40,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:40,915 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:40,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:40,961 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:40,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:40,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:40,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:40,962 INFO L87 Difference]: Start difference. First operand 140 states and 188 transitions. Second operand 3 states. [2020-07-28 18:58:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,551 INFO L93 Difference]: Finished difference Result 324 states and 434 transitions. [2020-07-28 18:58:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:41,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2020-07-28 18:58:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2020-07-28 18:58:41,554 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 160 transitions. [2020-07-28 18:58:41,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,744 INFO L225 Difference]: With dead ends: 324 [2020-07-28 18:58:41,745 INFO L226 Difference]: Without dead ends: 190 [2020-07-28 18:58:41,745 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 18:58:41,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-28 18:58:42,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-07-28 18:58:42,142 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:42,142 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 190 states. [2020-07-28 18:58:42,142 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 190 states. [2020-07-28 18:58:42,142 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 190 states. [2020-07-28 18:58:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,148 INFO L93 Difference]: Finished difference Result 190 states and 248 transitions. [2020-07-28 18:58:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2020-07-28 18:58:42,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,149 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 190 states. [2020-07-28 18:58:42,149 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 190 states. [2020-07-28 18:58:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,154 INFO L93 Difference]: Finished difference Result 190 states and 248 transitions. [2020-07-28 18:58:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2020-07-28 18:58:42,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,155 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,155 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:42,155 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-28 18:58:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 248 transitions. [2020-07-28 18:58:42,160 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 248 transitions. Word has length 31 [2020-07-28 18:58:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:42,161 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 248 transitions. [2020-07-28 18:58:42,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 248 transitions. [2020-07-28 18:58:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:42,162 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:42,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:42,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:42,163 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:42,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:42,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1099927890, now seen corresponding path program 1 times [2020-07-28 18:58:42,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:42,164 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930143782] [2020-07-28 18:58:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:42,222 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:42,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:42,323 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:42,324 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:42,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:42,464 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:42,464 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:42,464 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-28 18:58:42,465 WARN L170 areAnnotationChecker]: L311 has no Hoare annotation [2020-07-28 18:58:42,465 WARN L170 areAnnotationChecker]: L267 has no Hoare annotation [2020-07-28 18:58:42,465 WARN L170 areAnnotationChecker]: L267 has no Hoare annotation [2020-07-28 18:58:42,466 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-28 18:58:42,466 WARN L170 areAnnotationChecker]: L267-1 has no Hoare annotation [2020-07-28 18:58:42,466 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-28 18:58:42,466 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-28 18:58:42,466 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-28 18:58:42,466 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: L375 has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: L328 has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: L328 has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: L402-1 has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: L402-1 has no Hoare annotation [2020-07-28 18:58:42,467 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-28 18:58:42,468 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-28 18:58:42,468 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-28 18:58:42,468 WARN L170 areAnnotationChecker]: L402-2 has no Hoare annotation [2020-07-28 18:58:42,468 WARN L170 areAnnotationChecker]: L402-2 has no Hoare annotation [2020-07-28 18:58:42,468 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-28 18:58:42,468 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-28 18:58:42,469 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:58:42,469 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:58:42,469 WARN L170 areAnnotationChecker]: L409-1 has no Hoare annotation [2020-07-28 18:58:42,469 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:58:42,469 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:58:42,469 WARN L170 areAnnotationChecker]: L337-1 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L434-3 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L434-3 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L119-1 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:58:42,470 WARN L170 areAnnotationChecker]: L581-3 has no Hoare annotation [2020-07-28 18:58:42,471 WARN L170 areAnnotationChecker]: L581-3 has no Hoare annotation [2020-07-28 18:58:42,471 WARN L170 areAnnotationChecker]: L159-3 has no Hoare annotation [2020-07-28 18:58:42,471 WARN L170 areAnnotationChecker]: L159-3 has no Hoare annotation [2020-07-28 18:58:42,471 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:58:42,471 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:58:42,471 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L347-1 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L581-5 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L164-3 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L513-1 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L51-3 has no Hoare annotation [2020-07-28 18:58:42,472 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2020-07-28 18:58:42,473 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2020-07-28 18:58:42,473 WARN L170 areAnnotationChecker]: L587-1 has no Hoare annotation [2020-07-28 18:58:42,473 WARN L170 areAnnotationChecker]: L562-9 has no Hoare annotation [2020-07-28 18:58:42,473 WARN L170 areAnnotationChecker]: L562-9 has no Hoare annotation [2020-07-28 18:58:42,473 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:58:42,473 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L191-2 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L191-2 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L191-2 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L365-2 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L365-2 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-28 18:58:42,474 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-28 18:58:42,475 WARN L170 areAnnotationChecker]: L464-1 has no Hoare annotation [2020-07-28 18:58:42,475 WARN L170 areAnnotationChecker]: L464-1 has no Hoare annotation [2020-07-28 18:58:42,475 WARN L170 areAnnotationChecker]: L562-11 has no Hoare annotation [2020-07-28 18:58:42,475 WARN L170 areAnnotationChecker]: L388-1 has no Hoare annotation [2020-07-28 18:58:42,475 WARN L170 areAnnotationChecker]: L388-1 has no Hoare annotation [2020-07-28 18:58:42,475 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 18:58:42,476 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 18:58:42,476 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-28 18:58:42,476 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-28 18:58:42,476 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-28 18:58:42,476 WARN L170 areAnnotationChecker]: L434-2 has no Hoare annotation [2020-07-28 18:58:42,476 WARN L170 areAnnotationChecker]: L434-2 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L195 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L195 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-28 18:58:42,477 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 18:58:42,478 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 18:58:42,478 WARN L170 areAnnotationChecker]: L438-3 has no Hoare annotation [2020-07-28 18:58:42,478 WARN L170 areAnnotationChecker]: L438-3 has no Hoare annotation [2020-07-28 18:58:42,478 WARN L170 areAnnotationChecker]: L195-1 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L195-1 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 18:58:42,479 WARN L170 areAnnotationChecker]: L82-6 has no Hoare annotation [2020-07-28 18:58:42,480 WARN L170 areAnnotationChecker]: L82-6 has no Hoare annotation [2020-07-28 18:58:42,480 WARN L170 areAnnotationChecker]: L402-3 has no Hoare annotation [2020-07-28 18:58:42,480 WARN L170 areAnnotationChecker]: L402-3 has no Hoare annotation [2020-07-28 18:58:42,480 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 18:58:42,480 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 18:58:42,480 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 18:58:42,481 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 18:58:42,481 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:58:42,481 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:58:42,481 WARN L170 areAnnotationChecker]: L562-6 has no Hoare annotation [2020-07-28 18:58:42,481 WARN L170 areAnnotationChecker]: L562-6 has no Hoare annotation [2020-07-28 18:58:42,481 WARN L170 areAnnotationChecker]: L460-2 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L460-2 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L409-2 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L581-2 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L513 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L562-8 has no Hoare annotation [2020-07-28 18:58:42,482 WARN L170 areAnnotationChecker]: L174-2 has no Hoare annotation [2020-07-28 18:58:42,483 WARN L170 areAnnotationChecker]: L434-5 has no Hoare annotation [2020-07-28 18:58:42,483 WARN L170 areAnnotationChecker]: L434-5 has no Hoare annotation [2020-07-28 18:58:42,483 WARN L170 areAnnotationChecker]: L119-2 has no Hoare annotation [2020-07-28 18:58:42,483 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:58:42,483 WARN L170 areAnnotationChecker]: L562-3 has no Hoare annotation [2020-07-28 18:58:42,483 WARN L170 areAnnotationChecker]: L562-3 has no Hoare annotation [2020-07-28 18:58:42,484 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:58:42,484 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:58:42,484 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 18:58:42,484 WARN L170 areAnnotationChecker]: L581-6 has no Hoare annotation [2020-07-28 18:58:42,484 WARN L170 areAnnotationChecker]: L581-6 has no Hoare annotation [2020-07-28 18:58:42,484 WARN L170 areAnnotationChecker]: L159-5 has no Hoare annotation [2020-07-28 18:58:42,485 WARN L170 areAnnotationChecker]: L159-5 has no Hoare annotation [2020-07-28 18:58:42,485 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:58:42,485 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:58:42,485 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 18:58:42,485 WARN L170 areAnnotationChecker]: L464 has no Hoare annotation [2020-07-28 18:58:42,485 WARN L170 areAnnotationChecker]: L562-5 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L438-2 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L438-2 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L581-8 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L164-5 has no Hoare annotation [2020-07-28 18:58:42,486 WARN L170 areAnnotationChecker]: L513-2 has no Hoare annotation [2020-07-28 18:58:42,487 WARN L170 areAnnotationChecker]: L51-5 has no Hoare annotation [2020-07-28 18:58:42,487 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 18:58:42,487 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 18:58:42,487 WARN L170 areAnnotationChecker]: L568-1 has no Hoare annotation [2020-07-28 18:58:42,487 WARN L170 areAnnotationChecker]: L587-2 has no Hoare annotation [2020-07-28 18:58:42,487 WARN L170 areAnnotationChecker]: L562-15 has no Hoare annotation [2020-07-28 18:58:42,488 WARN L170 areAnnotationChecker]: L562-15 has no Hoare annotation [2020-07-28 18:58:42,488 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:58:42,488 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:58:42,488 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 18:58:42,488 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 18:58:42,488 WARN L170 areAnnotationChecker]: L438-1 has no Hoare annotation [2020-07-28 18:58:42,489 WARN L170 areAnnotationChecker]: L438-1 has no Hoare annotation [2020-07-28 18:58:42,489 WARN L170 areAnnotationChecker]: L464-2 has no Hoare annotation [2020-07-28 18:58:42,489 WARN L170 areAnnotationChecker]: L464-2 has no Hoare annotation [2020-07-28 18:58:42,489 WARN L170 areAnnotationChecker]: L562-17 has no Hoare annotation [2020-07-28 18:58:42,489 WARN L170 areAnnotationChecker]: L388-2 has no Hoare annotation [2020-07-28 18:58:42,489 WARN L170 areAnnotationChecker]: L388-2 has no Hoare annotation [2020-07-28 18:58:42,490 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 18:58:42,490 WARN L170 areAnnotationChecker]: L434-4 has no Hoare annotation [2020-07-28 18:58:42,490 WARN L170 areAnnotationChecker]: L434-4 has no Hoare annotation [2020-07-28 18:58:42,490 WARN L170 areAnnotationChecker]: L568-5 has no Hoare annotation [2020-07-28 18:58:42,490 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-28 18:58:42,491 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-28 18:58:42,491 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 18:58:42,491 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 18:58:42,491 WARN L170 areAnnotationChecker]: L438-5 has no Hoare annotation [2020-07-28 18:58:42,491 WARN L170 areAnnotationChecker]: L438-5 has no Hoare annotation [2020-07-28 18:58:42,491 WARN L170 areAnnotationChecker]: L562-2 has no Hoare annotation [2020-07-28 18:58:42,492 WARN L170 areAnnotationChecker]: L164-4 has no Hoare annotation [2020-07-28 18:58:42,492 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 18:58:42,492 WARN L170 areAnnotationChecker]: L562-12 has no Hoare annotation [2020-07-28 18:58:42,492 WARN L170 areAnnotationChecker]: L562-12 has no Hoare annotation [2020-07-28 18:58:42,492 WARN L170 areAnnotationChecker]: L438 has no Hoare annotation [2020-07-28 18:58:42,493 WARN L170 areAnnotationChecker]: L438 has no Hoare annotation [2020-07-28 18:58:42,493 WARN L170 areAnnotationChecker]: L562-14 has no Hoare annotation [2020-07-28 18:58:42,493 WARN L170 areAnnotationChecker]: L568-4 has no Hoare annotation [2020-07-28 18:58:42,493 WARN L170 areAnnotationChecker]: L438-4 has no Hoare annotation [2020-07-28 18:58:42,493 WARN L170 areAnnotationChecker]: L438-4 has no Hoare annotation [2020-07-28 18:58:42,494 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 18:58:42,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:42 BoogieIcfgContainer [2020-07-28 18:58:42,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:42,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:42,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:42,499 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:42,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:30" (3/4) ... [2020-07-28 18:58:42,503 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:42,701 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:42,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:42,704 INFO L168 Benchmark]: Toolchain (without parser) took 14913.78 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.0 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -80.3 MB). Peak memory consumption was 307.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:42,705 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:42,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:42,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.83 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 18:58:42,706 INFO L168 Benchmark]: Boogie Preprocessor took 68.95 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 18:58:42,707 INFO L168 Benchmark]: RCFGBuilder took 1649.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.7 MB in the end (delta: 164.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:42,707 INFO L168 Benchmark]: TraceAbstraction took 12136.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.0 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:42,708 INFO L168 Benchmark]: Witness Printer took 203.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:42,710 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 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 746.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1649.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.7 MB in the end (delta: 164.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12136.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.0 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. * Witness Printer took 203.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 388]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L76] int waterLevel = 1; [L77] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L395] int pumpRunning = 0; [L396] int systemActive = 1; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L258] int retValue_acc ; [L259] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L307] int retValue_acc ; [L310] retValue_acc = 1 [L311] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L265] tmp = valid_product() [L267] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L318] int splverifierCounter ; [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L322] int tmp___2 ; [L325] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L329] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] tmp = __VERIFIER_nondet_int() [L337] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L94] COND TRUE waterLevel < 2 [L95] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L345] tmp___0 = __VERIFIER_nondet_int() [L347] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] COND FALSE !(\read(methaneLevelCritical)) [L109] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L355] tmp___2 = __VERIFIER_nondet_int() [L357] COND TRUE \read(tmp___2) [L595] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L402] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L409] COND TRUE \read(systemActive) [L457] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L460] COND FALSE !(\read(pumpRunning)) [L431] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L434] COND TRUE ! pumpRunning [L554] int retValue_acc ; [L555] int tmp ; [L556] int tmp___0 ; [L156] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L159] COND FALSE !(waterLevel < 2) [L163] retValue_acc = 0 [L164] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L560] tmp = isHighWaterSensorDry() [L562] COND FALSE !(\read(tmp)) [L565] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L567] retValue_acc = tmp___0 [L568] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L436] tmp = isHighWaterLevel() [L438] COND TRUE \read(tmp) [L485] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; [L115] int retValue_acc ; [L118] retValue_acc = methaneLevelCritical [L119] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L509] int retValue_acc ; [L512] retValue_acc = pumpRunning [L513] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L388] __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, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.9s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 828 SDtfs, 1029 SDslu, 1039 SDs, 0 SdLazy, 141 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred 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: 1.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 523 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 11571 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...