./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product56.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_product56.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 3236d89cedc127e9d85364eeaf0ba1493a1eae64 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:58:35,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:35,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:35,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:35,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:35,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:35,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:35,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:35,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:35,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:35,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:35,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:35,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:35,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:35,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:35,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:35,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:35,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:35,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:35,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:35,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:35,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:35,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:35,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:35,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:35,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:35,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:35,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:35,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:35,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:35,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:35,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:35,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:35,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:35,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:35,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:35,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:35,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:35,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:35,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:35,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:35,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:35,512 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:35,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:35,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:35,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:35,519 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:35,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:35,520 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:35,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:35,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:35,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:35,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:35,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:35,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:35,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:35,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:35,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:35,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:35,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:35,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:35,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:35,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:35,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:35,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:35,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:35,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:35,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:35,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:35,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:35,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:35,532 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 -> 3236d89cedc127e9d85364eeaf0ba1493a1eae64 [2020-07-28 18:58:35,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:35,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:35,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:35,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:35,929 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:35,930 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2020-07-28 18:58:35,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816766c3a/f2833054d44b49668bd35d2992ad517f/FLAGa1a8c0655 [2020-07-28 18:58:36,551 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:36,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2020-07-28 18:58:36,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816766c3a/f2833054d44b49668bd35d2992ad517f/FLAGa1a8c0655 [2020-07-28 18:58:36,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816766c3a/f2833054d44b49668bd35d2992ad517f [2020-07-28 18:58:36,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:36,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:36,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:36,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:36,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:36,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:36" (1/1) ... [2020-07-28 18:58:36,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28fdb645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:36, skipping insertion in model container [2020-07-28 18:58:36,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:36" (1/1) ... [2020-07-28 18:58:36,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:36,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:37,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:37,312 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:37,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:37,501 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:37,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37 WrapperNode [2020-07-28 18:58:37,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:37,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:37,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:37,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:37,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:37,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:37,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:37,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:37,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (1/1) ... [2020-07-28 18:58:37,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:37,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:37,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:37,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:37,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (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 18:58:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:39,796 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:39,796 INFO L295 CfgBuilder]: Removed 282 assume(true) statements. [2020-07-28 18:58:39,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:39 BoogieIcfgContainer [2020-07-28 18:58:39,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:39,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:39,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:39,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:39,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:36" (1/3) ... [2020-07-28 18:58:39,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b4abfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:39, skipping insertion in model container [2020-07-28 18:58:39,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:37" (2/3) ... [2020-07-28 18:58:39,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b4abfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:39, skipping insertion in model container [2020-07-28 18:58:39,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:39" (3/3) ... [2020-07-28 18:58:39,810 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product56.cil.c [2020-07-28 18:58:39,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:39,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:39,843 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:39,869 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:39,869 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:39,869 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:39,870 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:39,870 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:39,870 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:39,870 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:39,870 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-28 18:58:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:39,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:39,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:39,905 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:39,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:39,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2020-07-28 18:58:39,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:39,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672097326] [2020-07-28 18:58:39,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,220 INFO L280 TraceCheckUtils]: 0: Hoare triple {194#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {194#true} is VALID [2020-07-28 18:58:40,221 INFO L280 TraceCheckUtils]: 1: Hoare triple {194#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {194#true} is VALID [2020-07-28 18:58:40,221 INFO L280 TraceCheckUtils]: 2: Hoare triple {194#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {194#true} is VALID [2020-07-28 18:58:40,222 INFO L280 TraceCheckUtils]: 3: Hoare triple {194#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {194#true} is VALID [2020-07-28 18:58:40,222 INFO L280 TraceCheckUtils]: 4: Hoare triple {194#true} assume 0 != main_~tmp~10; {194#true} is VALID [2020-07-28 18:58:40,222 INFO L280 TraceCheckUtils]: 5: Hoare triple {194#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {194#true} is VALID [2020-07-28 18:58:40,224 INFO L280 TraceCheckUtils]: 6: Hoare triple {194#true} assume false; {195#false} is VALID [2020-07-28 18:58:40,224 INFO L280 TraceCheckUtils]: 7: Hoare triple {195#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {195#false} is VALID [2020-07-28 18:58:40,224 INFO L280 TraceCheckUtils]: 8: Hoare triple {195#false} assume !(0 != ~pumpRunning~0); {195#false} is VALID [2020-07-28 18:58:40,225 INFO L280 TraceCheckUtils]: 9: Hoare triple {195#false} assume !(0 != ~systemActive~0); {195#false} is VALID [2020-07-28 18:58:40,225 INFO L280 TraceCheckUtils]: 10: Hoare triple {195#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {195#false} is VALID [2020-07-28 18:58:40,226 INFO L280 TraceCheckUtils]: 11: Hoare triple {195#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {195#false} is VALID [2020-07-28 18:58:40,226 INFO L280 TraceCheckUtils]: 12: Hoare triple {195#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {195#false} is VALID [2020-07-28 18:58:40,228 INFO L280 TraceCheckUtils]: 13: Hoare triple {195#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {195#false} is VALID [2020-07-28 18:58:40,228 INFO L280 TraceCheckUtils]: 14: Hoare triple {195#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {195#false} is VALID [2020-07-28 18:58:40,228 INFO L280 TraceCheckUtils]: 15: Hoare triple {195#false} assume !false; {195#false} is VALID [2020-07-28 18:58:40,232 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 18:58:40,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672097326] [2020-07-28 18:58:40,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:40,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:40,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010417068] [2020-07-28 18:58:40,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:40,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:40,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:40,295 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 18:58:40,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:40,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:40,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:40,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:40,309 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-28 18:58:40,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,844 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2020-07-28 18:58:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:40,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:40,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 575 transitions. [2020-07-28 18:58:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 575 transitions. [2020-07-28 18:58:40,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 575 transitions. [2020-07-28 18:58:41,501 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 575 edges. 575 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,524 INFO L225 Difference]: With dead ends: 376 [2020-07-28 18:58:41,524 INFO L226 Difference]: Without dead ends: 187 [2020-07-28 18:58:41,529 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 18:58:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-28 18:58:41,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-07-28 18:58:41,598 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:41,599 INFO L82 GeneralOperation]: Start isEquivalent. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:41,600 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:41,600 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,615 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-07-28 18:58:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-07-28 18:58:41,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:41,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:41,618 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:41,618 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:41,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,631 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-07-28 18:58:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-07-28 18:58:41,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:41,634 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:41,634 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:41,634 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-07-28 18:58:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-07-28 18:58:41,649 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-07-28 18:58:41,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:41,649 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-07-28 18:58:41,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-07-28 18:58:41,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:41,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:41,651 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 18:58:41,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:41,652 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:41,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:41,652 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2020-07-28 18:58:41,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:41,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449379455] [2020-07-28 18:58:41,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:41,832 INFO L280 TraceCheckUtils]: 0: Hoare triple {1334#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1334#true} is VALID [2020-07-28 18:58:41,833 INFO L280 TraceCheckUtils]: 1: Hoare triple {1334#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {1334#true} is VALID [2020-07-28 18:58:41,833 INFO L280 TraceCheckUtils]: 2: Hoare triple {1334#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1334#true} is VALID [2020-07-28 18:58:41,834 INFO L280 TraceCheckUtils]: 3: Hoare triple {1334#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {1334#true} is VALID [2020-07-28 18:58:41,834 INFO L280 TraceCheckUtils]: 4: Hoare triple {1334#true} assume 0 != main_~tmp~10; {1334#true} is VALID [2020-07-28 18:58:41,835 INFO L280 TraceCheckUtils]: 5: Hoare triple {1334#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:41,836 INFO L280 TraceCheckUtils]: 6: Hoare triple {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:41,837 INFO L280 TraceCheckUtils]: 7: Hoare triple {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1335#false} is VALID [2020-07-28 18:58:41,838 INFO L280 TraceCheckUtils]: 8: Hoare triple {1335#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1335#false} is VALID [2020-07-28 18:58:41,838 INFO L280 TraceCheckUtils]: 9: Hoare triple {1335#false} assume !(0 != ~pumpRunning~0); {1335#false} is VALID [2020-07-28 18:58:41,838 INFO L280 TraceCheckUtils]: 10: Hoare triple {1335#false} assume !(0 != ~systemActive~0); {1335#false} is VALID [2020-07-28 18:58:41,838 INFO L280 TraceCheckUtils]: 11: Hoare triple {1335#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1335#false} is VALID [2020-07-28 18:58:41,839 INFO L280 TraceCheckUtils]: 12: Hoare triple {1335#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {1335#false} is VALID [2020-07-28 18:58:41,839 INFO L280 TraceCheckUtils]: 13: Hoare triple {1335#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1335#false} is VALID [2020-07-28 18:58:41,840 INFO L280 TraceCheckUtils]: 14: Hoare triple {1335#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {1335#false} is VALID [2020-07-28 18:58:41,840 INFO L280 TraceCheckUtils]: 15: Hoare triple {1335#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1335#false} is VALID [2020-07-28 18:58:41,840 INFO L280 TraceCheckUtils]: 16: Hoare triple {1335#false} assume !false; {1335#false} is VALID [2020-07-28 18:58:41,842 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 18:58:41,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449379455] [2020-07-28 18:58:41,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:41,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:41,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070197441] [2020-07-28 18:58:41,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:41,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:41,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:41,878 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 18:58:41,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:41,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:41,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:41,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:41,880 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-07-28 18:58:42,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,227 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-07-28 18:58:42,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:42,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:42,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-07-28 18:58:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-07-28 18:58:42,236 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 279 transitions. [2020-07-28 18:58:42,574 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 279 edges. 279 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:42,576 INFO L225 Difference]: With dead ends: 187 [2020-07-28 18:58:42,576 INFO L226 Difference]: Without dead ends: 73 [2020-07-28 18:58:42,578 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 18:58:42,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-28 18:58:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-07-28 18:58:42,612 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:42,612 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:42,612 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:42,612 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:42,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,616 INFO L93 Difference]: Finished difference Result 73 states and 108 transitions. [2020-07-28 18:58:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-07-28 18:58:42,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,620 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,621 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:42,621 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:42,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,624 INFO L93 Difference]: Finished difference Result 73 states and 108 transitions. [2020-07-28 18:58:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-07-28 18:58:42,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:42,626 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-28 18:58:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-07-28 18:58:42,629 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-07-28 18:58:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:42,630 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-07-28 18:58:42,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-07-28 18:58:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:42,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:42,632 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 18:58:42,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:42,632 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:42,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2020-07-28 18:58:42,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:42,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907453038] [2020-07-28 18:58:42,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:42,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {1837#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1837#true} is VALID [2020-07-28 18:58:42,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {1837#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {1837#true} is VALID [2020-07-28 18:58:42,722 INFO L280 TraceCheckUtils]: 2: Hoare triple {1837#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {1837#true} is VALID [2020-07-28 18:58:42,722 INFO L280 TraceCheckUtils]: 3: Hoare triple {1837#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {1837#true} is VALID [2020-07-28 18:58:42,723 INFO L280 TraceCheckUtils]: 4: Hoare triple {1837#true} assume 0 != main_~tmp~10; {1837#true} is VALID [2020-07-28 18:58:42,723 INFO L280 TraceCheckUtils]: 5: Hoare triple {1837#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1837#true} is VALID [2020-07-28 18:58:42,724 INFO L280 TraceCheckUtils]: 6: Hoare triple {1837#true} assume !false; {1837#true} is VALID [2020-07-28 18:58:42,724 INFO L280 TraceCheckUtils]: 7: Hoare triple {1837#true} assume test_~splverifierCounter~0 < 4; {1837#true} is VALID [2020-07-28 18:58:42,724 INFO L280 TraceCheckUtils]: 8: Hoare triple {1837#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {1837#true} is VALID [2020-07-28 18:58:42,724 INFO L280 TraceCheckUtils]: 9: Hoare triple {1837#true} assume !(0 != test_~tmp~3); {1837#true} is VALID [2020-07-28 18:58:42,725 INFO L280 TraceCheckUtils]: 10: Hoare triple {1837#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {1837#true} is VALID [2020-07-28 18:58:42,725 INFO L280 TraceCheckUtils]: 11: Hoare triple {1837#true} assume !(0 != test_~tmp___0~0); {1837#true} is VALID [2020-07-28 18:58:42,726 INFO L280 TraceCheckUtils]: 12: Hoare triple {1837#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {1837#true} is VALID [2020-07-28 18:58:42,727 INFO L280 TraceCheckUtils]: 13: Hoare triple {1837#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1839#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,728 INFO L280 TraceCheckUtils]: 14: Hoare triple {1839#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1839#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:42,728 INFO L280 TraceCheckUtils]: 15: Hoare triple {1839#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1838#false} is VALID [2020-07-28 18:58:42,729 INFO L280 TraceCheckUtils]: 16: Hoare triple {1838#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1838#false} is VALID [2020-07-28 18:58:42,729 INFO L280 TraceCheckUtils]: 17: Hoare triple {1838#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {1838#false} is VALID [2020-07-28 18:58:42,729 INFO L280 TraceCheckUtils]: 18: Hoare triple {1838#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1838#false} is VALID [2020-07-28 18:58:42,730 INFO L280 TraceCheckUtils]: 19: Hoare triple {1838#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {1838#false} is VALID [2020-07-28 18:58:42,730 INFO L280 TraceCheckUtils]: 20: Hoare triple {1838#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1838#false} is VALID [2020-07-28 18:58:42,731 INFO L280 TraceCheckUtils]: 21: Hoare triple {1838#false} assume !false; {1838#false} is VALID [2020-07-28 18:58:42,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:42,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907453038] [2020-07-28 18:58:42,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:42,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:42,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852415240] [2020-07-28 18:58:42,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:42,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:42,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:42,773 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 18:58:42,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:42,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:42,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:42,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:42,774 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-07-28 18:58:43,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,099 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2020-07-28 18:58:43,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:43,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:43,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2020-07-28 18:58:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 312 transitions. [2020-07-28 18:58:43,108 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 312 transitions. [2020-07-28 18:58:43,455 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 312 edges. 312 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:43,460 INFO L225 Difference]: With dead ends: 207 [2020-07-28 18:58:43,461 INFO L226 Difference]: Without dead ends: 140 [2020-07-28 18:58:43,462 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 18:58:43,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-28 18:58:43,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2020-07-28 18:58:43,539 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:43,539 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand 136 states. [2020-07-28 18:58:43,539 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand 136 states. [2020-07-28 18:58:43,540 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 136 states. [2020-07-28 18:58:43,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,547 INFO L93 Difference]: Finished difference Result 140 states and 209 transitions. [2020-07-28 18:58:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 209 transitions. [2020-07-28 18:58:43,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,549 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 140 states. [2020-07-28 18:58:43,549 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 140 states. [2020-07-28 18:58:43,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,556 INFO L93 Difference]: Finished difference Result 140 states and 209 transitions. [2020-07-28 18:58:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 209 transitions. [2020-07-28 18:58:43,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,557 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,557 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:43,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-28 18:58:43,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2020-07-28 18:58:43,564 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2020-07-28 18:58:43,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:43,564 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2020-07-28 18:58:43,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2020-07-28 18:58:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:43,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:43,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:43,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:43,567 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:43,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2020-07-28 18:58:43,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:43,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238956029] [2020-07-28 18:58:43,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:43,670 INFO L280 TraceCheckUtils]: 0: Hoare triple {2585#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,671 INFO L280 TraceCheckUtils]: 1: Hoare triple {2587#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,672 INFO L280 TraceCheckUtils]: 2: Hoare triple {2587#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,672 INFO L280 TraceCheckUtils]: 3: Hoare triple {2587#(= 0 ~pumpRunning~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,673 INFO L280 TraceCheckUtils]: 4: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~10; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,674 INFO L280 TraceCheckUtils]: 5: Hoare triple {2587#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,676 INFO L280 TraceCheckUtils]: 6: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !false; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,677 INFO L280 TraceCheckUtils]: 7: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,678 INFO L280 TraceCheckUtils]: 8: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,679 INFO L280 TraceCheckUtils]: 9: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,680 INFO L280 TraceCheckUtils]: 10: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,681 INFO L280 TraceCheckUtils]: 11: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,682 INFO L280 TraceCheckUtils]: 12: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,683 INFO L280 TraceCheckUtils]: 13: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,683 INFO L280 TraceCheckUtils]: 14: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,684 INFO L280 TraceCheckUtils]: 15: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,685 INFO L280 TraceCheckUtils]: 16: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,686 INFO L280 TraceCheckUtils]: 17: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {2587#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:43,687 INFO L280 TraceCheckUtils]: 18: Hoare triple {2587#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2586#false} is VALID [2020-07-28 18:58:43,687 INFO L280 TraceCheckUtils]: 19: Hoare triple {2586#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2586#false} is VALID [2020-07-28 18:58:43,687 INFO L280 TraceCheckUtils]: 20: Hoare triple {2586#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {2586#false} is VALID [2020-07-28 18:58:43,688 INFO L280 TraceCheckUtils]: 21: Hoare triple {2586#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {2586#false} is VALID [2020-07-28 18:58:43,688 INFO L280 TraceCheckUtils]: 22: Hoare triple {2586#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {2586#false} is VALID [2020-07-28 18:58:43,689 INFO L280 TraceCheckUtils]: 23: Hoare triple {2586#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {2586#false} is VALID [2020-07-28 18:58:43,689 INFO L280 TraceCheckUtils]: 24: Hoare triple {2586#false} assume !false; {2586#false} is VALID [2020-07-28 18:58:43,691 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 18:58:43,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238956029] [2020-07-28 18:58:43,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:43,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:43,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280169975] [2020-07-28 18:58:43,693 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:43,693 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:43,693 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:43,735 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:43,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:43,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:43,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:43,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:43,737 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2020-07-28 18:58:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,097 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2020-07-28 18:58:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:44,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:44,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:44,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2020-07-28 18:58:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2020-07-28 18:58:44,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 225 transitions. [2020-07-28 18:58:44,342 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:44,345 INFO L225 Difference]: With dead ends: 283 [2020-07-28 18:58:44,346 INFO L226 Difference]: Without dead ends: 153 [2020-07-28 18:58:44,347 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 18:58:44,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-28 18:58:44,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-07-28 18:58:44,433 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:44,433 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 151 states. [2020-07-28 18:58:44,433 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 151 states. [2020-07-28 18:58:44,433 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 151 states. [2020-07-28 18:58:44,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,440 INFO L93 Difference]: Finished difference Result 153 states and 220 transitions. [2020-07-28 18:58:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 220 transitions. [2020-07-28 18:58:44,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:44,441 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 153 states. [2020-07-28 18:58:44,441 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 153 states. [2020-07-28 18:58:44,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,452 INFO L93 Difference]: Finished difference Result 153 states and 220 transitions. [2020-07-28 18:58:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 220 transitions. [2020-07-28 18:58:44,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:44,453 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:44,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-28 18:58:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2020-07-28 18:58:44,460 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2020-07-28 18:58:44,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:44,461 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2020-07-28 18:58:44,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2020-07-28 18:58:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:44,462 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:44,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:44,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:44,463 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:44,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2020-07-28 18:58:44,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:44,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24993551] [2020-07-28 18:58:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:44,636 INFO L280 TraceCheckUtils]: 0: Hoare triple {3487#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,636 INFO L280 TraceCheckUtils]: 1: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,637 INFO L280 TraceCheckUtils]: 2: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,637 INFO L280 TraceCheckUtils]: 3: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,638 INFO L280 TraceCheckUtils]: 4: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~10; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,638 INFO L280 TraceCheckUtils]: 5: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,639 INFO L280 TraceCheckUtils]: 6: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !false; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,639 INFO L280 TraceCheckUtils]: 7: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,640 INFO L280 TraceCheckUtils]: 8: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,641 INFO L280 TraceCheckUtils]: 9: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~3); {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,643 INFO L280 TraceCheckUtils]: 10: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,643 INFO L280 TraceCheckUtils]: 11: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,644 INFO L280 TraceCheckUtils]: 12: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,645 INFO L280 TraceCheckUtils]: 13: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,646 INFO L280 TraceCheckUtils]: 14: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,646 INFO L280 TraceCheckUtils]: 15: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,647 INFO L280 TraceCheckUtils]: 16: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,647 INFO L280 TraceCheckUtils]: 17: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,648 INFO L280 TraceCheckUtils]: 18: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {3489#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:44,648 INFO L280 TraceCheckUtils]: 19: Hoare triple {3489#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {3490#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:44,654 INFO L280 TraceCheckUtils]: 20: Hoare triple {3490#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {3491#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~9 0)} is VALID [2020-07-28 18:58:44,657 INFO L280 TraceCheckUtils]: 21: Hoare triple {3491#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~9 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {3488#false} is VALID [2020-07-28 18:58:44,658 INFO L280 TraceCheckUtils]: 22: Hoare triple {3488#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {3488#false} is VALID [2020-07-28 18:58:44,659 INFO L280 TraceCheckUtils]: 23: Hoare triple {3488#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {3488#false} is VALID [2020-07-28 18:58:44,659 INFO L280 TraceCheckUtils]: 24: Hoare triple {3488#false} assume !false; {3488#false} is VALID [2020-07-28 18:58:44,660 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 18:58:44,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24993551] [2020-07-28 18:58:44,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:44,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:44,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691146380] [2020-07-28 18:58:44,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:44,663 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:44,663 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:44,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:44,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:44,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:44,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:44,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:44,699 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2020-07-28 18:58:46,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,037 INFO L93 Difference]: Finished difference Result 763 states and 1120 transitions. [2020-07-28 18:58:46,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:46,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 450 transitions. [2020-07-28 18:58:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 450 transitions. [2020-07-28 18:58:46,046 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 450 transitions. [2020-07-28 18:58:46,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 450 edges. 450 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,596 INFO L225 Difference]: With dead ends: 763 [2020-07-28 18:58:46,596 INFO L226 Difference]: Without dead ends: 618 [2020-07-28 18:58:46,598 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 18:58:46,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-07-28 18:58:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 286. [2020-07-28 18:58:46,887 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:46,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 618 states. Second operand 286 states. [2020-07-28 18:58:46,888 INFO L74 IsIncluded]: Start isIncluded. First operand 618 states. Second operand 286 states. [2020-07-28 18:58:46,888 INFO L87 Difference]: Start difference. First operand 618 states. Second operand 286 states. [2020-07-28 18:58:46,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,923 INFO L93 Difference]: Finished difference Result 618 states and 898 transitions. [2020-07-28 18:58:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 898 transitions. [2020-07-28 18:58:46,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,925 INFO L74 IsIncluded]: Start isIncluded. First operand 286 states. Second operand 618 states. [2020-07-28 18:58:46,925 INFO L87 Difference]: Start difference. First operand 286 states. Second operand 618 states. [2020-07-28 18:58:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,959 INFO L93 Difference]: Finished difference Result 618 states and 898 transitions. [2020-07-28 18:58:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 898 transitions. [2020-07-28 18:58:46,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:46,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:46,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-07-28 18:58:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 411 transitions. [2020-07-28 18:58:46,972 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 411 transitions. Word has length 25 [2020-07-28 18:58:46,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:46,973 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 411 transitions. [2020-07-28 18:58:46,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 411 transitions. [2020-07-28 18:58:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:58:46,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:46,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:46,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:46,976 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:46,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:46,976 INFO L82 PathProgramCache]: Analyzing trace with hash 819147605, now seen corresponding path program 1 times [2020-07-28 18:58:46,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:46,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177524948] [2020-07-28 18:58:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:47,096 INFO L280 TraceCheckUtils]: 0: Hoare triple {6180#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,097 INFO L280 TraceCheckUtils]: 1: Hoare triple {6182#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,099 INFO L280 TraceCheckUtils]: 2: Hoare triple {6182#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,100 INFO L280 TraceCheckUtils]: 3: Hoare triple {6182#(= 0 ~pumpRunning~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,102 INFO L280 TraceCheckUtils]: 4: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~10; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,103 INFO L280 TraceCheckUtils]: 5: Hoare triple {6182#(= 0 ~pumpRunning~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,104 INFO L280 TraceCheckUtils]: 6: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !false; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,105 INFO L280 TraceCheckUtils]: 7: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,107 INFO L280 TraceCheckUtils]: 8: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,109 INFO L280 TraceCheckUtils]: 9: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,111 INFO L280 TraceCheckUtils]: 10: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,112 INFO L280 TraceCheckUtils]: 11: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,113 INFO L280 TraceCheckUtils]: 12: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,114 INFO L280 TraceCheckUtils]: 13: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,114 INFO L280 TraceCheckUtils]: 14: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp___1~0 := test_#t~nondet38;havoc test_#t~nondet38; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,115 INFO L280 TraceCheckUtils]: 15: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,116 INFO L280 TraceCheckUtils]: 16: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,117 INFO L280 TraceCheckUtils]: 17: Hoare triple {6182#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,118 INFO L280 TraceCheckUtils]: 18: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,119 INFO L280 TraceCheckUtils]: 19: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,119 INFO L280 TraceCheckUtils]: 20: Hoare triple {6182#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,120 INFO L280 TraceCheckUtils]: 21: Hoare triple {6182#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {6182#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:47,121 INFO L280 TraceCheckUtils]: 22: Hoare triple {6182#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {6183#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:47,122 INFO L280 TraceCheckUtils]: 23: Hoare triple {6183#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {6184#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} is VALID [2020-07-28 18:58:47,123 INFO L280 TraceCheckUtils]: 24: Hoare triple {6184#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {6181#false} is VALID [2020-07-28 18:58:47,123 INFO L280 TraceCheckUtils]: 25: Hoare triple {6181#false} assume !false; {6181#false} is VALID [2020-07-28 18:58:47,149 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 18:58:47,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177524948] [2020-07-28 18:58:47,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:47,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:47,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124083533] [2020-07-28 18:58:47,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:47,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:47,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:47,189 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:47,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:47,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:47,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:47,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:47,190 INFO L87 Difference]: Start difference. First operand 286 states and 411 transitions. Second operand 5 states. [2020-07-28 18:58:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,911 INFO L93 Difference]: Finished difference Result 832 states and 1198 transitions. [2020-07-28 18:58:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:48,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:48,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 335 transitions. [2020-07-28 18:58:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 335 transitions. [2020-07-28 18:58:48,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 335 transitions. [2020-07-28 18:58:49,258 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:49,319 INFO L225 Difference]: With dead ends: 832 [2020-07-28 18:58:49,319 INFO L226 Difference]: Without dead ends: 830 [2020-07-28 18:58:49,321 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 18:58:49,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-07-28 18:58:49,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 286. [2020-07-28 18:58:49,678 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:49,678 INFO L82 GeneralOperation]: Start isEquivalent. First operand 830 states. Second operand 286 states. [2020-07-28 18:58:49,678 INFO L74 IsIncluded]: Start isIncluded. First operand 830 states. Second operand 286 states. [2020-07-28 18:58:49,678 INFO L87 Difference]: Start difference. First operand 830 states. Second operand 286 states. [2020-07-28 18:58:49,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,726 INFO L93 Difference]: Finished difference Result 830 states and 1195 transitions. [2020-07-28 18:58:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1195 transitions. [2020-07-28 18:58:49,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:49,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:49,728 INFO L74 IsIncluded]: Start isIncluded. First operand 286 states. Second operand 830 states. [2020-07-28 18:58:49,729 INFO L87 Difference]: Start difference. First operand 286 states. Second operand 830 states. [2020-07-28 18:58:49,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,779 INFO L93 Difference]: Finished difference Result 830 states and 1195 transitions. [2020-07-28 18:58:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1195 transitions. [2020-07-28 18:58:49,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:49,781 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:49,781 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:49,782 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-07-28 18:58:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 409 transitions. [2020-07-28 18:58:49,792 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 409 transitions. Word has length 26 [2020-07-28 18:58:49,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:49,793 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 409 transitions. [2020-07-28 18:58:49,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 409 transitions. [2020-07-28 18:58:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:49,796 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:49,796 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 18:58:49,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:49,797 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:49,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:49,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1010263109, now seen corresponding path program 1 times [2020-07-28 18:58:49,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:49,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615940022] [2020-07-28 18:58:49,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,909 INFO L280 TraceCheckUtils]: 0: Hoare triple {9387#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {9387#true} is VALID [2020-07-28 18:58:49,909 INFO L280 TraceCheckUtils]: 1: Hoare triple {9387#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {9387#true} is VALID [2020-07-28 18:58:49,910 INFO L280 TraceCheckUtils]: 2: Hoare triple {9387#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {9387#true} is VALID [2020-07-28 18:58:49,910 INFO L280 TraceCheckUtils]: 3: Hoare triple {9387#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {9387#true} is VALID [2020-07-28 18:58:49,910 INFO L280 TraceCheckUtils]: 4: Hoare triple {9387#true} assume 0 != main_~tmp~10; {9387#true} is VALID [2020-07-28 18:58:49,910 INFO L280 TraceCheckUtils]: 5: Hoare triple {9387#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {9387#true} is VALID [2020-07-28 18:58:49,911 INFO L280 TraceCheckUtils]: 6: Hoare triple {9387#true} assume !false; {9387#true} is VALID [2020-07-28 18:58:49,911 INFO L280 TraceCheckUtils]: 7: Hoare triple {9387#true} assume test_~splverifierCounter~0 < 4; {9387#true} is VALID [2020-07-28 18:58:49,911 INFO L280 TraceCheckUtils]: 8: Hoare triple {9387#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {9387#true} is VALID [2020-07-28 18:58:49,912 INFO L280 TraceCheckUtils]: 9: Hoare triple {9387#true} assume !(0 != test_~tmp~3); {9387#true} is VALID [2020-07-28 18:58:49,912 INFO L280 TraceCheckUtils]: 10: Hoare triple {9387#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {9387#true} is VALID [2020-07-28 18:58:49,913 INFO L280 TraceCheckUtils]: 11: Hoare triple {9387#true} assume 0 != test_~tmp___0~0; {9387#true} is VALID [2020-07-28 18:58:49,913 INFO L280 TraceCheckUtils]: 12: Hoare triple {9387#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {9387#true} is VALID [2020-07-28 18:58:49,913 INFO L280 TraceCheckUtils]: 13: Hoare triple {9387#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {9387#true} is VALID [2020-07-28 18:58:49,914 INFO L280 TraceCheckUtils]: 14: Hoare triple {9387#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {9387#true} is VALID [2020-07-28 18:58:49,915 INFO L280 TraceCheckUtils]: 15: Hoare triple {9387#true} assume !(0 != ~pumpRunning~0); {9387#true} is VALID [2020-07-28 18:58:49,915 INFO L280 TraceCheckUtils]: 16: Hoare triple {9387#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {9387#true} is VALID [2020-07-28 18:58:49,915 INFO L280 TraceCheckUtils]: 17: Hoare triple {9387#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {9387#true} is VALID [2020-07-28 18:58:49,916 INFO L280 TraceCheckUtils]: 18: Hoare triple {9387#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {9387#true} is VALID [2020-07-28 18:58:49,916 INFO L280 TraceCheckUtils]: 19: Hoare triple {9387#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {9387#true} is VALID [2020-07-28 18:58:49,916 INFO L280 TraceCheckUtils]: 20: Hoare triple {9387#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {9387#true} is VALID [2020-07-28 18:58:49,916 INFO L280 TraceCheckUtils]: 21: Hoare triple {9387#true} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {9387#true} is VALID [2020-07-28 18:58:49,917 INFO L280 TraceCheckUtils]: 22: Hoare triple {9387#true} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; {9389#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:49,918 INFO L280 TraceCheckUtils]: 23: Hoare triple {9389#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {9390#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:49,919 INFO L280 TraceCheckUtils]: 24: Hoare triple {9390#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {9391#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)} is VALID [2020-07-28 18:58:49,920 INFO L280 TraceCheckUtils]: 25: Hoare triple {9391#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {9388#false} is VALID [2020-07-28 18:58:49,920 INFO L280 TraceCheckUtils]: 26: Hoare triple {9388#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {9388#false} is VALID [2020-07-28 18:58:49,920 INFO L280 TraceCheckUtils]: 27: Hoare triple {9388#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {9388#false} is VALID [2020-07-28 18:58:49,920 INFO L280 TraceCheckUtils]: 28: Hoare triple {9388#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {9388#false} is VALID [2020-07-28 18:58:49,921 INFO L280 TraceCheckUtils]: 29: Hoare triple {9388#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {9388#false} is VALID [2020-07-28 18:58:49,921 INFO L280 TraceCheckUtils]: 30: Hoare triple {9388#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {9388#false} is VALID [2020-07-28 18:58:49,921 INFO L280 TraceCheckUtils]: 31: Hoare triple {9388#false} assume !false; {9388#false} is VALID [2020-07-28 18:58:49,923 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 18:58:49,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615940022] [2020-07-28 18:58:49,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:49,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:49,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461977188] [2020-07-28 18:58:49,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:49,926 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:49,926 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:49,966 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:49,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:49,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:49,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:49,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:49,967 INFO L87 Difference]: Start difference. First operand 286 states and 409 transitions. Second operand 5 states. [2020-07-28 18:58:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:51,367 INFO L93 Difference]: Finished difference Result 766 states and 1076 transitions. [2020-07-28 18:58:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:51,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:51,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:51,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2020-07-28 18:58:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2020-07-28 18:58:51,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 241 transitions. [2020-07-28 18:58:51,616 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:51,640 INFO L225 Difference]: With dead ends: 766 [2020-07-28 18:58:51,640 INFO L226 Difference]: Without dead ends: 486 [2020-07-28 18:58:51,643 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 18:58:51,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-07-28 18:58:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 322. [2020-07-28 18:58:52,072 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:52,072 INFO L82 GeneralOperation]: Start isEquivalent. First operand 486 states. Second operand 322 states. [2020-07-28 18:58:52,073 INFO L74 IsIncluded]: Start isIncluded. First operand 486 states. Second operand 322 states. [2020-07-28 18:58:52,073 INFO L87 Difference]: Start difference. First operand 486 states. Second operand 322 states. [2020-07-28 18:58:52,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:52,093 INFO L93 Difference]: Finished difference Result 486 states and 661 transitions. [2020-07-28 18:58:52,093 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 661 transitions. [2020-07-28 18:58:52,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:52,094 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:52,095 INFO L74 IsIncluded]: Start isIncluded. First operand 322 states. Second operand 486 states. [2020-07-28 18:58:52,095 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 486 states. [2020-07-28 18:58:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:52,114 INFO L93 Difference]: Finished difference Result 486 states and 661 transitions. [2020-07-28 18:58:52,114 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 661 transitions. [2020-07-28 18:58:52,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:52,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:52,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:52,116 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-07-28 18:58:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 445 transitions. [2020-07-28 18:58:52,128 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 445 transitions. Word has length 32 [2020-07-28 18:58:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:52,129 INFO L479 AbstractCegarLoop]: Abstraction has 322 states and 445 transitions. [2020-07-28 18:58:52,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 445 transitions. [2020-07-28 18:58:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:52,132 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:52,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:52,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:52,133 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:52,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:52,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1403290119, now seen corresponding path program 1 times [2020-07-28 18:58:52,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:52,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017103975] [2020-07-28 18:58:52,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:52,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {11860#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {11860#true} is VALID [2020-07-28 18:58:52,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {11860#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {11860#true} is VALID [2020-07-28 18:58:52,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {11860#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {11860#true} is VALID [2020-07-28 18:58:52,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {11860#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {11860#true} is VALID [2020-07-28 18:58:52,257 INFO L280 TraceCheckUtils]: 4: Hoare triple {11860#true} assume 0 != main_~tmp~10; {11860#true} is VALID [2020-07-28 18:58:52,257 INFO L280 TraceCheckUtils]: 5: Hoare triple {11860#true} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11860#true} is VALID [2020-07-28 18:58:52,257 INFO L280 TraceCheckUtils]: 6: Hoare triple {11860#true} assume !false; {11860#true} is VALID [2020-07-28 18:58:52,258 INFO L280 TraceCheckUtils]: 7: Hoare triple {11860#true} assume test_~splverifierCounter~0 < 4; {11860#true} is VALID [2020-07-28 18:58:52,258 INFO L280 TraceCheckUtils]: 8: Hoare triple {11860#true} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {11860#true} is VALID [2020-07-28 18:58:52,258 INFO L280 TraceCheckUtils]: 9: Hoare triple {11860#true} assume !(0 != test_~tmp~3); {11860#true} is VALID [2020-07-28 18:58:52,259 INFO L280 TraceCheckUtils]: 10: Hoare triple {11860#true} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {11860#true} is VALID [2020-07-28 18:58:52,259 INFO L280 TraceCheckUtils]: 11: Hoare triple {11860#true} assume 0 != test_~tmp___0~0; {11860#true} is VALID [2020-07-28 18:58:52,259 INFO L280 TraceCheckUtils]: 12: Hoare triple {11860#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {11860#true} is VALID [2020-07-28 18:58:52,259 INFO L280 TraceCheckUtils]: 13: Hoare triple {11860#true} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {11860#true} is VALID [2020-07-28 18:58:52,260 INFO L280 TraceCheckUtils]: 14: Hoare triple {11860#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {11862#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:52,261 INFO L280 TraceCheckUtils]: 15: Hoare triple {11862#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {11862#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:52,262 INFO L280 TraceCheckUtils]: 16: Hoare triple {11862#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {11860#true} is VALID [2020-07-28 18:58:52,262 INFO L280 TraceCheckUtils]: 17: Hoare triple {11860#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {11860#true} is VALID [2020-07-28 18:58:52,262 INFO L280 TraceCheckUtils]: 18: Hoare triple {11860#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {11860#true} is VALID [2020-07-28 18:58:52,262 INFO L280 TraceCheckUtils]: 19: Hoare triple {11860#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {11860#true} is VALID [2020-07-28 18:58:52,264 INFO L280 TraceCheckUtils]: 20: Hoare triple {11860#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {11863#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:52,265 INFO L280 TraceCheckUtils]: 21: Hoare triple {11863#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {11864#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7))} is VALID [2020-07-28 18:58:52,266 INFO L280 TraceCheckUtils]: 22: Hoare triple {11864#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~7))} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {11861#false} is VALID [2020-07-28 18:58:52,267 INFO L280 TraceCheckUtils]: 23: Hoare triple {11861#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {11861#false} is VALID [2020-07-28 18:58:52,267 INFO L280 TraceCheckUtils]: 24: Hoare triple {11861#false} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {11861#false} is VALID [2020-07-28 18:58:52,267 INFO L280 TraceCheckUtils]: 25: Hoare triple {11861#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {11861#false} is VALID [2020-07-28 18:58:52,268 INFO L280 TraceCheckUtils]: 26: Hoare triple {11861#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {11861#false} is VALID [2020-07-28 18:58:52,268 INFO L280 TraceCheckUtils]: 27: Hoare triple {11861#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {11861#false} is VALID [2020-07-28 18:58:52,268 INFO L280 TraceCheckUtils]: 28: Hoare triple {11861#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {11861#false} is VALID [2020-07-28 18:58:52,269 INFO L280 TraceCheckUtils]: 29: Hoare triple {11861#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {11861#false} is VALID [2020-07-28 18:58:52,269 INFO L280 TraceCheckUtils]: 30: Hoare triple {11861#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {11861#false} is VALID [2020-07-28 18:58:52,269 INFO L280 TraceCheckUtils]: 31: Hoare triple {11861#false} assume !false; {11861#false} is VALID [2020-07-28 18:58:52,270 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 18:58:52,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017103975] [2020-07-28 18:58:52,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:52,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:52,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300617912] [2020-07-28 18:58:52,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:52,272 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:52,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:52,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:52,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:52,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:52,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:52,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:52,328 INFO L87 Difference]: Start difference. First operand 322 states and 445 transitions. Second operand 5 states. [2020-07-28 18:58:54,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:54,151 INFO L93 Difference]: Finished difference Result 882 states and 1193 transitions. [2020-07-28 18:58:54,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:54,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:54,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:54,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 424 transitions. [2020-07-28 18:58:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 424 transitions. [2020-07-28 18:58:54,157 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 424 transitions. [2020-07-28 18:58:54,614 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 424 edges. 424 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:54,637 INFO L225 Difference]: With dead ends: 882 [2020-07-28 18:58:54,638 INFO L226 Difference]: Without dead ends: 566 [2020-07-28 18:58:54,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 18:58:54,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-07-28 18:58:55,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 346. [2020-07-28 18:58:55,134 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:55,134 INFO L82 GeneralOperation]: Start isEquivalent. First operand 566 states. Second operand 346 states. [2020-07-28 18:58:55,134 INFO L74 IsIncluded]: Start isIncluded. First operand 566 states. Second operand 346 states. [2020-07-28 18:58:55,135 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 346 states. [2020-07-28 18:58:55,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:55,158 INFO L93 Difference]: Finished difference Result 566 states and 742 transitions. [2020-07-28 18:58:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 742 transitions. [2020-07-28 18:58:55,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:55,160 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:55,160 INFO L74 IsIncluded]: Start isIncluded. First operand 346 states. Second operand 566 states. [2020-07-28 18:58:55,160 INFO L87 Difference]: Start difference. First operand 346 states. Second operand 566 states. [2020-07-28 18:58:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:55,182 INFO L93 Difference]: Finished difference Result 566 states and 742 transitions. [2020-07-28 18:58:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 742 transitions. [2020-07-28 18:58:55,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:55,184 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:55,184 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:55,184 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-07-28 18:58:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 469 transitions. [2020-07-28 18:58:55,196 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 469 transitions. Word has length 32 [2020-07-28 18:58:55,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:55,196 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 469 transitions. [2020-07-28 18:58:55,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:55,197 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 469 transitions. [2020-07-28 18:58:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:55,197 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:55,198 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 18:58:55,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:55,198 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:55,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:55,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1145124681, now seen corresponding path program 1 times [2020-07-28 18:58:55,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:55,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473949269] [2020-07-28 18:58:55,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:55,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {14692#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,255 INFO L280 TraceCheckUtils]: 1: Hoare triple {14694#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {14694#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,257 INFO L280 TraceCheckUtils]: 3: Hoare triple {14694#(= 1 ~waterLevel~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,257 INFO L280 TraceCheckUtils]: 4: Hoare triple {14694#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~10; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,258 INFO L280 TraceCheckUtils]: 5: Hoare triple {14694#(= 1 ~waterLevel~0)} havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,259 INFO L280 TraceCheckUtils]: 6: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !false; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,259 INFO L280 TraceCheckUtils]: 7: Hoare triple {14694#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,260 INFO L280 TraceCheckUtils]: 8: Hoare triple {14694#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,261 INFO L280 TraceCheckUtils]: 9: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,261 INFO L280 TraceCheckUtils]: 10: Hoare triple {14694#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,266 INFO L280 TraceCheckUtils]: 11: Hoare triple {14694#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~0; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,273 INFO L280 TraceCheckUtils]: 12: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,274 INFO L280 TraceCheckUtils]: 13: Hoare triple {14694#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet37 && test_#t~nondet37 <= 2147483647;test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,275 INFO L280 TraceCheckUtils]: 14: Hoare triple {14694#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,276 INFO L280 TraceCheckUtils]: 15: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,276 INFO L280 TraceCheckUtils]: 16: Hoare triple {14694#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,276 INFO L280 TraceCheckUtils]: 17: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,277 INFO L280 TraceCheckUtils]: 18: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,277 INFO L280 TraceCheckUtils]: 19: Hoare triple {14694#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {14694#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:55,278 INFO L280 TraceCheckUtils]: 20: Hoare triple {14694#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {14693#false} is VALID [2020-07-28 18:58:55,278 INFO L280 TraceCheckUtils]: 21: Hoare triple {14693#false} isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret59 && isHighWaterLevel_#t~ret59 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; {14693#false} is VALID [2020-07-28 18:58:55,278 INFO L280 TraceCheckUtils]: 22: Hoare triple {14693#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {14693#false} is VALID [2020-07-28 18:58:55,278 INFO L280 TraceCheckUtils]: 23: Hoare triple {14693#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {14693#false} is VALID [2020-07-28 18:58:55,279 INFO L280 TraceCheckUtils]: 24: Hoare triple {14693#false} processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret39 && processEnvironment__wrappee__highWaterSensor_#t~ret39 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; {14693#false} is VALID [2020-07-28 18:58:55,279 INFO L280 TraceCheckUtils]: 25: Hoare triple {14693#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {14693#false} is VALID [2020-07-28 18:58:55,279 INFO L280 TraceCheckUtils]: 26: Hoare triple {14693#false} havoc __utac_acc__Specification1_spec__1_#t~ret62, __utac_acc__Specification1_spec__1_#t~ret63, __utac_acc__Specification1_spec__1_~tmp~9, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~9;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14693#false} is VALID [2020-07-28 18:58:55,279 INFO L280 TraceCheckUtils]: 27: Hoare triple {14693#false} __utac_acc__Specification1_spec__1_#t~ret62 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret62 && __utac_acc__Specification1_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~9 := __utac_acc__Specification1_spec__1_#t~ret62;havoc __utac_acc__Specification1_spec__1_#t~ret62; {14693#false} is VALID [2020-07-28 18:58:55,280 INFO L280 TraceCheckUtils]: 28: Hoare triple {14693#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~9;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {14693#false} is VALID [2020-07-28 18:58:55,280 INFO L280 TraceCheckUtils]: 29: Hoare triple {14693#false} __utac_acc__Specification1_spec__1_#t~ret63 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret63 && __utac_acc__Specification1_spec__1_#t~ret63 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret63;havoc __utac_acc__Specification1_spec__1_#t~ret63; {14693#false} is VALID [2020-07-28 18:58:55,280 INFO L280 TraceCheckUtils]: 30: Hoare triple {14693#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {14693#false} is VALID [2020-07-28 18:58:55,280 INFO L280 TraceCheckUtils]: 31: Hoare triple {14693#false} assume !false; {14693#false} is VALID [2020-07-28 18:58:55,282 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 18:58:55,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473949269] [2020-07-28 18:58:55,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:55,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:55,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214565797] [2020-07-28 18:58:55,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:55,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:55,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:55,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:55,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:55,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:55,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:55,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:55,334 INFO L87 Difference]: Start difference. First operand 346 states and 469 transitions. Second operand 3 states. [2020-07-28 18:58:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:56,484 INFO L93 Difference]: Finished difference Result 794 states and 1070 transitions. [2020-07-28 18:58:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:56,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:56,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-28 18:58:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-28 18:58:56,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 206 transitions. [2020-07-28 18:58:56,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:56,732 INFO L225 Difference]: With dead ends: 794 [2020-07-28 18:58:56,732 INFO L226 Difference]: Without dead ends: 454 [2020-07-28 18:58:56,733 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 18:58:56,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-07-28 18:58:57,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2020-07-28 18:58:57,501 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:57,501 INFO L82 GeneralOperation]: Start isEquivalent. First operand 454 states. Second operand 454 states. [2020-07-28 18:58:57,501 INFO L74 IsIncluded]: Start isIncluded. First operand 454 states. Second operand 454 states. [2020-07-28 18:58:57,501 INFO L87 Difference]: Start difference. First operand 454 states. Second operand 454 states. [2020-07-28 18:58:57,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:57,517 INFO L93 Difference]: Finished difference Result 454 states and 599 transitions. [2020-07-28 18:58:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 599 transitions. [2020-07-28 18:58:57,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:57,518 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:57,518 INFO L74 IsIncluded]: Start isIncluded. First operand 454 states. Second operand 454 states. [2020-07-28 18:58:57,518 INFO L87 Difference]: Start difference. First operand 454 states. Second operand 454 states. [2020-07-28 18:58:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:57,533 INFO L93 Difference]: Finished difference Result 454 states and 599 transitions. [2020-07-28 18:58:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 599 transitions. [2020-07-28 18:58:57,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:57,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:57,535 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:57,535 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2020-07-28 18:58:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 599 transitions. [2020-07-28 18:58:57,555 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 599 transitions. Word has length 32 [2020-07-28 18:58:57,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:57,556 INFO L479 AbstractCegarLoop]: Abstraction has 454 states and 599 transitions. [2020-07-28 18:58:57,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 599 transitions. [2020-07-28 18:58:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:57,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:57,558 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, 1] [2020-07-28 18:58:57,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:57,558 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash 2078796085, now seen corresponding path program 1 times [2020-07-28 18:58:57,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:57,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507880009] [2020-07-28 18:58:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:57,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:57,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:57,697 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:57,697 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:57,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:57,889 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:57,889 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:57,889 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 18:58:57,890 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-28 18:58:57,891 WARN L170 areAnnotationChecker]: L893 has no Hoare annotation [2020-07-28 18:58:57,891 WARN L170 areAnnotationChecker]: L893 has no Hoare annotation [2020-07-28 18:58:57,891 WARN L170 areAnnotationChecker]: L870 has no Hoare annotation [2020-07-28 18:58:57,891 WARN L170 areAnnotationChecker]: L893-1 has no Hoare annotation [2020-07-28 18:58:57,891 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-28 18:58:57,892 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-28 18:58:57,892 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-28 18:58:57,892 WARN L170 areAnnotationChecker]: L902 has no Hoare annotation [2020-07-28 18:58:57,892 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-28 18:58:57,892 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2020-07-28 18:58:57,892 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2020-07-28 18:58:57,893 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:57,893 WARN L170 areAnnotationChecker]: L498-1 has no Hoare annotation [2020-07-28 18:58:57,893 WARN L170 areAnnotationChecker]: L498-1 has no Hoare annotation [2020-07-28 18:58:57,893 WARN L170 areAnnotationChecker]: L424 has no Hoare annotation [2020-07-28 18:58:57,893 WARN L170 areAnnotationChecker]: L914-3 has no Hoare annotation [2020-07-28 18:58:57,893 WARN L170 areAnnotationChecker]: L914-3 has no Hoare annotation [2020-07-28 18:58:57,894 WARN L170 areAnnotationChecker]: L498-2 has no Hoare annotation [2020-07-28 18:58:57,894 WARN L170 areAnnotationChecker]: L498-2 has no Hoare annotation [2020-07-28 18:58:57,894 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 18:58:57,894 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2020-07-28 18:58:57,894 WARN L170 areAnnotationChecker]: L582-1 has no Hoare annotation [2020-07-28 18:58:57,894 WARN L170 areAnnotationChecker]: L582-1 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L505-1 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L432-1 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L951-2 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L556-3 has no Hoare annotation [2020-07-28 18:58:57,895 WARN L170 areAnnotationChecker]: L556-3 has no Hoare annotation [2020-07-28 18:58:57,896 WARN L170 areAnnotationChecker]: L951-3 has no Hoare annotation [2020-07-28 18:58:57,896 WARN L170 areAnnotationChecker]: L442 has no Hoare annotation [2020-07-28 18:58:57,896 WARN L170 areAnnotationChecker]: L442 has no Hoare annotation [2020-07-28 18:58:57,896 WARN L170 areAnnotationChecker]: L626-1 has no Hoare annotation [2020-07-28 18:58:57,896 WARN L170 areAnnotationChecker]: L1006-3 has no Hoare annotation [2020-07-28 18:58:57,896 WARN L170 areAnnotationChecker]: L530-7 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L530-7 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L442-1 has no Hoare annotation [2020-07-28 18:58:57,897 WARN L170 areAnnotationChecker]: L586-1 has no Hoare annotation [2020-07-28 18:58:57,898 WARN L170 areAnnotationChecker]: L586-1 has no Hoare annotation [2020-07-28 18:58:57,898 WARN L170 areAnnotationChecker]: L703-9 has no Hoare annotation [2020-07-28 18:58:57,898 WARN L170 areAnnotationChecker]: L703-9 has no Hoare annotation [2020-07-28 18:58:57,898 WARN L170 areAnnotationChecker]: L991-7 has no Hoare annotation [2020-07-28 18:58:57,898 WARN L170 areAnnotationChecker]: L991-7 has no Hoare annotation [2020-07-28 18:58:57,898 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 18:58:57,899 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 18:58:57,899 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:58:57,899 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:58:57,899 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 18:58:57,899 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 18:58:57,899 WARN L170 areAnnotationChecker]: L703-11 has no Hoare annotation [2020-07-28 18:58:57,900 WARN L170 areAnnotationChecker]: L996-7 has no Hoare annotation [2020-07-28 18:58:57,900 WARN L170 areAnnotationChecker]: L788-2 has no Hoare annotation [2020-07-28 18:58:57,900 WARN L170 areAnnotationChecker]: L788-2 has no Hoare annotation [2020-07-28 18:58:57,900 WARN L170 areAnnotationChecker]: L822-2 has no Hoare annotation [2020-07-28 18:58:57,900 WARN L170 areAnnotationChecker]: L822-2 has no Hoare annotation [2020-07-28 18:58:57,900 WARN L170 areAnnotationChecker]: L822-2 has no Hoare annotation [2020-07-28 18:58:57,901 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:58:57,901 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:58:57,901 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:58:57,901 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:58:57,901 WARN L170 areAnnotationChecker]: L1006-2 has no Hoare annotation [2020-07-28 18:58:57,901 WARN L170 areAnnotationChecker]: L530-5 has no Hoare annotation [2020-07-28 18:58:57,902 WARN L170 areAnnotationChecker]: L530-5 has no Hoare annotation [2020-07-28 18:58:57,902 WARN L170 areAnnotationChecker]: L709-3 has no Hoare annotation [2020-07-28 18:58:57,902 WARN L170 areAnnotationChecker]: L684-21 has no Hoare annotation [2020-07-28 18:58:57,902 WARN L170 areAnnotationChecker]: L684-21 has no Hoare annotation [2020-07-28 18:58:57,902 WARN L170 areAnnotationChecker]: L806-1 has no Hoare annotation [2020-07-28 18:58:57,902 WARN L170 areAnnotationChecker]: L806-1 has no Hoare annotation [2020-07-28 18:58:57,903 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:58:57,903 WARN L170 areAnnotationChecker]: L914 has no Hoare annotation [2020-07-28 18:58:57,903 WARN L170 areAnnotationChecker]: L914 has no Hoare annotation [2020-07-28 18:58:57,903 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 18:58:57,903 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 18:58:57,903 WARN L170 areAnnotationChecker]: L717 has no Hoare annotation [2020-07-28 18:58:57,904 WARN L170 areAnnotationChecker]: L717 has no Hoare annotation [2020-07-28 18:58:57,904 WARN L170 areAnnotationChecker]: L703-6 has no Hoare annotation [2020-07-28 18:58:57,904 WARN L170 areAnnotationChecker]: L703-6 has no Hoare annotation [2020-07-28 18:58:57,904 WARN L170 areAnnotationChecker]: L991-5 has no Hoare annotation [2020-07-28 18:58:57,904 WARN L170 areAnnotationChecker]: L991-5 has no Hoare annotation [2020-07-28 18:58:57,904 WARN L170 areAnnotationChecker]: L560-3 has no Hoare annotation [2020-07-28 18:58:57,905 WARN L170 areAnnotationChecker]: L560-3 has no Hoare annotation [2020-07-28 18:58:57,905 WARN L170 areAnnotationChecker]: L684-23 has no Hoare annotation [2020-07-28 18:58:57,905 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2020-07-28 18:58:57,905 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2020-07-28 18:58:57,905 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-28 18:58:57,906 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-28 18:58:57,906 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-28 18:58:57,906 WARN L170 areAnnotationChecker]: L717-1 has no Hoare annotation [2020-07-28 18:58:57,906 WARN L170 areAnnotationChecker]: L703-8 has no Hoare annotation [2020-07-28 18:58:57,906 WARN L170 areAnnotationChecker]: L996-5 has no Hoare annotation [2020-07-28 18:58:57,906 WARN L170 areAnnotationChecker]: L530-6 has no Hoare annotation [2020-07-28 18:58:57,907 WARN L170 areAnnotationChecker]: L530-6 has no Hoare annotation [2020-07-28 18:58:57,907 WARN L170 areAnnotationChecker]: L690-7 has no Hoare annotation [2020-07-28 18:58:57,907 WARN L170 areAnnotationChecker]: L826-1 has no Hoare annotation [2020-07-28 18:58:57,907 WARN L170 areAnnotationChecker]: L826-1 has no Hoare annotation [2020-07-28 18:58:57,907 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-28 18:58:57,907 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 18:58:57,908 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 18:58:57,908 WARN L170 areAnnotationChecker]: L951-1 has no Hoare annotation [2020-07-28 18:58:57,908 WARN L170 areAnnotationChecker]: L709-2 has no Hoare annotation [2020-07-28 18:58:57,908 WARN L170 areAnnotationChecker]: L684-15 has no Hoare annotation [2020-07-28 18:58:57,908 WARN L170 areAnnotationChecker]: L684-15 has no Hoare annotation [2020-07-28 18:58:57,908 WARN L170 areAnnotationChecker]: L991-6 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L991-6 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L534-7 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L534-7 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L914-6 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L914-6 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L498-3 has no Hoare annotation [2020-07-28 18:58:57,909 WARN L170 areAnnotationChecker]: L498-3 has no Hoare annotation [2020-07-28 18:58:57,910 WARN L170 areAnnotationChecker]: L626 has no Hoare annotation [2020-07-28 18:58:57,910 WARN L170 areAnnotationChecker]: L1006-1 has no Hoare annotation [2020-07-28 18:58:57,910 WARN L170 areAnnotationChecker]: L530-3 has no Hoare annotation [2020-07-28 18:58:57,910 WARN L170 areAnnotationChecker]: L530-3 has no Hoare annotation [2020-07-28 18:58:57,910 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L684-17 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L582-2 has no Hoare annotation [2020-07-28 18:58:57,911 WARN L170 areAnnotationChecker]: L582-2 has no Hoare annotation [2020-07-28 18:58:57,912 WARN L170 areAnnotationChecker]: L505-2 has no Hoare annotation [2020-07-28 18:58:57,912 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-28 18:58:57,912 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-28 18:58:57,912 WARN L170 areAnnotationChecker]: L703-3 has no Hoare annotation [2020-07-28 18:58:57,912 WARN L170 areAnnotationChecker]: L703-3 has no Hoare annotation [2020-07-28 18:58:57,912 WARN L170 areAnnotationChecker]: L991-3 has no Hoare annotation [2020-07-28 18:58:57,913 WARN L170 areAnnotationChecker]: L991-3 has no Hoare annotation [2020-07-28 18:58:57,913 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 18:58:57,913 WARN L170 areAnnotationChecker]: L530-4 has no Hoare annotation [2020-07-28 18:58:57,913 WARN L170 areAnnotationChecker]: L530-4 has no Hoare annotation [2020-07-28 18:58:57,913 WARN L170 areAnnotationChecker]: L690-5 has no Hoare annotation [2020-07-28 18:58:57,913 WARN L170 areAnnotationChecker]: L684-18 has no Hoare annotation [2020-07-28 18:58:57,914 WARN L170 areAnnotationChecker]: L684-18 has no Hoare annotation [2020-07-28 18:58:57,914 WARN L170 areAnnotationChecker]: L951-4 has no Hoare annotation [2020-07-28 18:58:57,914 WARN L170 areAnnotationChecker]: L556-5 has no Hoare annotation [2020-07-28 18:58:57,914 WARN L170 areAnnotationChecker]: L556-5 has no Hoare annotation [2020-07-28 18:58:57,914 WARN L170 areAnnotationChecker]: L951-5 has no Hoare annotation [2020-07-28 18:58:57,914 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 18:58:57,915 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 18:58:57,915 WARN L170 areAnnotationChecker]: L703-5 has no Hoare annotation [2020-07-28 18:58:57,915 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2020-07-28 18:58:57,915 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-28 18:58:57,915 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-28 18:58:57,915 WARN L170 areAnnotationChecker]: L991-4 has no Hoare annotation [2020-07-28 18:58:57,916 WARN L170 areAnnotationChecker]: L991-4 has no Hoare annotation [2020-07-28 18:58:57,916 WARN L170 areAnnotationChecker]: L534-5 has no Hoare annotation [2020-07-28 18:58:57,916 WARN L170 areAnnotationChecker]: L534-5 has no Hoare annotation [2020-07-28 18:58:57,916 WARN L170 areAnnotationChecker]: L684-20 has no Hoare annotation [2020-07-28 18:58:57,916 WARN L170 areAnnotationChecker]: L626-2 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L1006-5 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L530-11 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L530-11 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L784-4 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L784-4 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2020-07-28 18:58:57,917 WARN L170 areAnnotationChecker]: L530-1 has no Hoare annotation [2020-07-28 18:58:57,918 WARN L170 areAnnotationChecker]: L530-1 has no Hoare annotation [2020-07-28 18:58:57,918 WARN L170 areAnnotationChecker]: L709-1 has no Hoare annotation [2020-07-28 18:58:57,918 WARN L170 areAnnotationChecker]: L684-9 has no Hoare annotation [2020-07-28 18:58:57,918 WARN L170 areAnnotationChecker]: L684-9 has no Hoare annotation [2020-07-28 18:58:57,918 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2020-07-28 18:58:57,919 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2020-07-28 18:58:57,919 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2020-07-28 18:58:57,919 WARN L170 areAnnotationChecker]: L690-6 has no Hoare annotation [2020-07-28 18:58:57,919 WARN L170 areAnnotationChecker]: L586-2 has no Hoare annotation [2020-07-28 18:58:57,919 WARN L170 areAnnotationChecker]: L586-2 has no Hoare annotation [2020-07-28 18:58:57,919 WARN L170 areAnnotationChecker]: L703-15 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L703-15 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L991-11 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L991-11 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L635-2 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L784-5 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2020-07-28 18:58:57,920 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2020-07-28 18:58:57,921 WARN L170 areAnnotationChecker]: L991-1 has no Hoare annotation [2020-07-28 18:58:57,921 WARN L170 areAnnotationChecker]: L991-1 has no Hoare annotation [2020-07-28 18:58:57,921 WARN L170 areAnnotationChecker]: L560-1 has no Hoare annotation [2020-07-28 18:58:57,921 WARN L170 areAnnotationChecker]: L560-1 has no Hoare annotation [2020-07-28 18:58:57,921 WARN L170 areAnnotationChecker]: L684-11 has no Hoare annotation [2020-07-28 18:58:57,921 WARN L170 areAnnotationChecker]: L684-12 has no Hoare annotation [2020-07-28 18:58:57,922 WARN L170 areAnnotationChecker]: L684-12 has no Hoare annotation [2020-07-28 18:58:57,922 WARN L170 areAnnotationChecker]: L534-6 has no Hoare annotation [2020-07-28 18:58:57,922 WARN L170 areAnnotationChecker]: L534-6 has no Hoare annotation [2020-07-28 18:58:57,922 WARN L170 areAnnotationChecker]: L556-4 has no Hoare annotation [2020-07-28 18:58:57,922 WARN L170 areAnnotationChecker]: L556-4 has no Hoare annotation [2020-07-28 18:58:57,922 WARN L170 areAnnotationChecker]: L703-17 has no Hoare annotation [2020-07-28 18:58:57,923 WARN L170 areAnnotationChecker]: L996-11 has no Hoare annotation [2020-07-28 18:58:57,923 WARN L170 areAnnotationChecker]: L788-4 has no Hoare annotation [2020-07-28 18:58:57,923 WARN L170 areAnnotationChecker]: L788-4 has no Hoare annotation [2020-07-28 18:58:57,923 WARN L170 areAnnotationChecker]: L703-2 has no Hoare annotation [2020-07-28 18:58:57,923 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2020-07-28 18:58:57,923 WARN L170 areAnnotationChecker]: L530-2 has no Hoare annotation [2020-07-28 18:58:57,924 WARN L170 areAnnotationChecker]: L530-2 has no Hoare annotation [2020-07-28 18:58:57,924 WARN L170 areAnnotationChecker]: L690-3 has no Hoare annotation [2020-07-28 18:58:57,924 WARN L170 areAnnotationChecker]: L684-14 has no Hoare annotation [2020-07-28 18:58:57,924 WARN L170 areAnnotationChecker]: L1006-4 has no Hoare annotation [2020-07-28 18:58:57,924 WARN L170 areAnnotationChecker]: L530-9 has no Hoare annotation [2020-07-28 18:58:57,924 WARN L170 areAnnotationChecker]: L530-9 has no Hoare annotation [2020-07-28 18:58:57,925 WARN L170 areAnnotationChecker]: L709-5 has no Hoare annotation [2020-07-28 18:58:57,925 WARN L170 areAnnotationChecker]: L684-33 has no Hoare annotation [2020-07-28 18:58:57,925 WARN L170 areAnnotationChecker]: L684-33 has no Hoare annotation [2020-07-28 18:58:57,925 WARN L170 areAnnotationChecker]: L806-2 has no Hoare annotation [2020-07-28 18:58:57,925 WARN L170 areAnnotationChecker]: L806-2 has no Hoare annotation [2020-07-28 18:58:57,926 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-28 18:58:57,926 WARN L170 areAnnotationChecker]: L684-3 has no Hoare annotation [2020-07-28 18:58:57,926 WARN L170 areAnnotationChecker]: L684-3 has no Hoare annotation [2020-07-28 18:58:57,926 WARN L170 areAnnotationChecker]: L991-2 has no Hoare annotation [2020-07-28 18:58:57,926 WARN L170 areAnnotationChecker]: L991-2 has no Hoare annotation [2020-07-28 18:58:57,926 WARN L170 areAnnotationChecker]: L534-3 has no Hoare annotation [2020-07-28 18:58:57,927 WARN L170 areAnnotationChecker]: L534-3 has no Hoare annotation [2020-07-28 18:58:57,927 WARN L170 areAnnotationChecker]: L690-4 has no Hoare annotation [2020-07-28 18:58:57,927 WARN L170 areAnnotationChecker]: L703-12 has no Hoare annotation [2020-07-28 18:58:57,927 WARN L170 areAnnotationChecker]: L703-12 has no Hoare annotation [2020-07-28 18:58:57,927 WARN L170 areAnnotationChecker]: L991-9 has no Hoare annotation [2020-07-28 18:58:57,927 WARN L170 areAnnotationChecker]: L991-9 has no Hoare annotation [2020-07-28 18:58:57,928 WARN L170 areAnnotationChecker]: L560-5 has no Hoare annotation [2020-07-28 18:58:57,928 WARN L170 areAnnotationChecker]: L560-5 has no Hoare annotation [2020-07-28 18:58:57,928 WARN L170 areAnnotationChecker]: L684-35 has no Hoare annotation [2020-07-28 18:58:57,928 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 18:58:57,928 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 18:58:57,928 WARN L170 areAnnotationChecker]: L684-5 has no Hoare annotation [2020-07-28 18:58:57,929 WARN L170 areAnnotationChecker]: L996-2 has no Hoare annotation [2020-07-28 18:58:57,929 WARN L170 areAnnotationChecker]: L534-4 has no Hoare annotation [2020-07-28 18:58:57,929 WARN L170 areAnnotationChecker]: L534-4 has no Hoare annotation [2020-07-28 18:58:57,929 WARN L170 areAnnotationChecker]: L703-14 has no Hoare annotation [2020-07-28 18:58:57,929 WARN L170 areAnnotationChecker]: L996-9 has no Hoare annotation [2020-07-28 18:58:57,929 WARN L170 areAnnotationChecker]: L530-10 has no Hoare annotation [2020-07-28 18:58:57,930 WARN L170 areAnnotationChecker]: L530-10 has no Hoare annotation [2020-07-28 18:58:57,930 WARN L170 areAnnotationChecker]: L690-11 has no Hoare annotation [2020-07-28 18:58:57,930 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-28 18:58:57,930 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-28 18:58:57,930 WARN L170 areAnnotationChecker]: L690-1 has no Hoare annotation [2020-07-28 18:58:57,930 WARN L170 areAnnotationChecker]: L684-6 has no Hoare annotation [2020-07-28 18:58:57,931 WARN L170 areAnnotationChecker]: L684-6 has no Hoare annotation [2020-07-28 18:58:57,931 WARN L170 areAnnotationChecker]: L709-4 has no Hoare annotation [2020-07-28 18:58:57,931 WARN L170 areAnnotationChecker]: L684-27 has no Hoare annotation [2020-07-28 18:58:57,931 WARN L170 areAnnotationChecker]: L684-27 has no Hoare annotation [2020-07-28 18:58:57,932 WARN L170 areAnnotationChecker]: L991-10 has no Hoare annotation [2020-07-28 18:58:57,932 WARN L170 areAnnotationChecker]: L991-10 has no Hoare annotation [2020-07-28 18:58:57,932 WARN L170 areAnnotationChecker]: L534-11 has no Hoare annotation [2020-07-28 18:58:57,932 WARN L170 areAnnotationChecker]: L534-11 has no Hoare annotation [2020-07-28 18:58:57,932 WARN L170 areAnnotationChecker]: L991 has no Hoare annotation [2020-07-28 18:58:57,932 WARN L170 areAnnotationChecker]: L991 has no Hoare annotation [2020-07-28 18:58:57,933 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 18:58:57,934 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 18:58:57,934 WARN L170 areAnnotationChecker]: L684-8 has no Hoare annotation [2020-07-28 18:58:57,934 WARN L170 areAnnotationChecker]: L560-4 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L560-4 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L684-29 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L996-10 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L996 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L690-2 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L530-8 has no Hoare annotation [2020-07-28 18:58:57,935 WARN L170 areAnnotationChecker]: L530-8 has no Hoare annotation [2020-07-28 18:58:57,936 WARN L170 areAnnotationChecker]: L690-9 has no Hoare annotation [2020-07-28 18:58:57,936 WARN L170 areAnnotationChecker]: L684-30 has no Hoare annotation [2020-07-28 18:58:57,936 WARN L170 areAnnotationChecker]: L684-30 has no Hoare annotation [2020-07-28 18:58:57,936 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-28 18:58:57,936 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-28 18:58:57,936 WARN L170 areAnnotationChecker]: L534-2 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L534-2 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L991-8 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L991-8 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L534-9 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L534-9 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L684-32 has no Hoare annotation [2020-07-28 18:58:57,937 WARN L170 areAnnotationChecker]: L684-2 has no Hoare annotation [2020-07-28 18:58:57,938 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2020-07-28 18:58:57,938 WARN L170 areAnnotationChecker]: L690-10 has no Hoare annotation [2020-07-28 18:58:57,938 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-28 18:58:57,938 WARN L170 areAnnotationChecker]: L684-24 has no Hoare annotation [2020-07-28 18:58:57,938 WARN L170 areAnnotationChecker]: L684-24 has no Hoare annotation [2020-07-28 18:58:57,938 WARN L170 areAnnotationChecker]: L534-10 has no Hoare annotation [2020-07-28 18:58:57,939 WARN L170 areAnnotationChecker]: L534-10 has no Hoare annotation [2020-07-28 18:58:57,939 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:58:57,939 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:58:57,939 WARN L170 areAnnotationChecker]: L684-26 has no Hoare annotation [2020-07-28 18:58:57,939 WARN L170 areAnnotationChecker]: L690-8 has no Hoare annotation [2020-07-28 18:58:57,939 WARN L170 areAnnotationChecker]: L534-8 has no Hoare annotation [2020-07-28 18:58:57,940 WARN L170 areAnnotationChecker]: L534-8 has no Hoare annotation [2020-07-28 18:58:57,940 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 18:58:57,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:57 BoogieIcfgContainer [2020-07-28 18:58:57,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:57,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:57,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:57,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:57,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:39" (3/4) ... [2020-07-28 18:58:57,949 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:58,095 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:58,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:58,102 INFO L168 Benchmark]: Toolchain (without parser) took 21322.33 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 476.6 MB). Free memory was 960.2 MB in the beginning and 1.3 GB in the end (delta: -295.9 MB). Peak memory consumption was 180.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:58,104 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:58,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:58,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:58,106 INFO L168 Benchmark]: Boogie Preprocessor took 88.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:58,109 INFO L168 Benchmark]: RCFGBuilder took 2088.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 837.4 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:58,109 INFO L168 Benchmark]: TraceAbstraction took 18141.33 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 362.8 MB). Free memory was 837.4 MB in the beginning and 1.3 GB in the end (delta: -459.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:58,110 INFO L168 Benchmark]: Witness Printer took 151.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:58,114 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 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2088.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 837.4 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18141.33 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 362.8 MB). Free memory was 837.4 MB in the beginning and 1.3 GB in the end (delta: -459.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 151.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 806]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int pumpRunning = 0; [L491] int systemActive = 1; [L811] int cleanupTimeShifts = 4; [L908] int waterLevel = 1; [L909] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int retValue_acc ; [L885] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L766] int retValue_acc ; [L769] retValue_acc = 1 [L770] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L891] tmp = valid_product() [L893] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] int splverifierCounter ; [L414] int tmp ; [L415] int tmp___0 ; [L416] int tmp___1 ; [L417] int tmp___2 ; [L420] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L424] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L430] tmp = __VERIFIER_nondet_int() [L432] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L926] COND TRUE waterLevel < 2 [L927] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L440] tmp___0 = __VERIFIER_nondet_int() [L442] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L938] COND FALSE !(\read(methaneLevelCritical)) [L941] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L450] tmp___2 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___2) [L732] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L498] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L505] COND TRUE \read(systemActive) [L579] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L582] COND FALSE !(\read(pumpRunning)) [L553] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L556] COND FALSE !(\read(pumpRunning)) [L527] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L530] COND TRUE ! pumpRunning [L676] int retValue_acc ; [L677] int tmp ; [L678] int tmp___0 ; [L988] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L991] COND FALSE !(waterLevel < 2) [L995] retValue_acc = 0 [L996] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L682] tmp = isHighWaterSensorDry() [L684] COND FALSE !(\read(tmp)) [L687] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L689] retValue_acc = tmp___0 [L690] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L532] tmp = isHighWaterLevel() [L534] COND TRUE \read(tmp) [L607] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L777] int tmp ; [L778] int tmp___0 ; [L947] int retValue_acc ; [L950] retValue_acc = methaneLevelCritical [L951] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L782] tmp = isMethaneLevelCritical() [L784] COND TRUE \read(tmp) [L631] int retValue_acc ; [L634] retValue_acc = pumpRunning [L635] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L786] tmp___0 = isPumpRunning() [L788] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L806] __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, 191 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1184 SDtfs, 1469 SDslu, 1535 SDs, 0 SdLazy, 215 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=454occurred 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: 3.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 1266 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 10538 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...