./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product35.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_product35.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 dc08a0b643f05bf554ed8bba095ffb3efc1cc232 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:58:07,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:07,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:07,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:07,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:07,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:07,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:07,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:07,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:07,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:07,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:07,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:07,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:07,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:07,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:07,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:07,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:07,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:07,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:07,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:07,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:07,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:07,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:07,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:07,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:07,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:07,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:07,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:07,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:07,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:07,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:07,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:07,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:07,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:07,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:07,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:07,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:07,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:07,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:07,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:07,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:07,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:07,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:07,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:07,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:07,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:07,442 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:07,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:07,443 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:07,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:07,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:07,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:07,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:07,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:07,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:07,444 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:07,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:07,445 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:07,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:07,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:07,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:07,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:07,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:07,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:07,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:07,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:07,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:07,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:07,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:07,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:07,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:07,454 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 -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2020-07-28 18:58:07,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:07,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:07,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:07,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:07,799 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:07,800 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2020-07-28 18:58:07,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bb45144d/54988a76623b463eadeb268a4bf7bee4/FLAG9e9696ffb [2020-07-28 18:58:08,441 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:08,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2020-07-28 18:58:08,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bb45144d/54988a76623b463eadeb268a4bf7bee4/FLAG9e9696ffb [2020-07-28 18:58:08,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bb45144d/54988a76623b463eadeb268a4bf7bee4 [2020-07-28 18:58:08,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:08,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:08,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:08,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:08,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:08,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:08" (1/1) ... [2020-07-28 18:58:08,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2878d26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:08, skipping insertion in model container [2020-07-28 18:58:08,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:08" (1/1) ... [2020-07-28 18:58:08,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:08,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:09,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:09,314 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:09,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:09,478 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:09,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09 WrapperNode [2020-07-28 18:58:09,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:09,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:09,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:09,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:09,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:09,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:09,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:09,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:09,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (1/1) ... [2020-07-28 18:58:09,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:09,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:09,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:09,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:09,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (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 18:58:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:11,000 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:11,001 INFO L295 CfgBuilder]: Removed 100 assume(true) statements. [2020-07-28 18:58:11,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:11 BoogieIcfgContainer [2020-07-28 18:58:11,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:11,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:11,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:11,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:11,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:08" (1/3) ... [2020-07-28 18:58:11,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f486d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:11, skipping insertion in model container [2020-07-28 18:58:11,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:09" (2/3) ... [2020-07-28 18:58:11,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f486d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:11, skipping insertion in model container [2020-07-28 18:58:11,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:11" (3/3) ... [2020-07-28 18:58:11,014 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2020-07-28 18:58:11,025 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:11,033 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:11,048 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:11,073 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:11,074 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:11,074 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:11,074 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:11,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:11,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:11,075 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:11,076 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:11,094 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-07-28 18:58:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:11,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:11,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:11,104 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:11,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:11,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1355288485, now seen corresponding path program 1 times [2020-07-28 18:58:11,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:11,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593555849] [2020-07-28 18:58:11,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:11,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {83#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {83#true} is VALID [2020-07-28 18:58:11,451 INFO L280 TraceCheckUtils]: 1: Hoare triple {83#true} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {83#true} is VALID [2020-07-28 18:58:11,452 INFO L280 TraceCheckUtils]: 2: Hoare triple {83#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {83#true} is VALID [2020-07-28 18:58:11,452 INFO L280 TraceCheckUtils]: 3: Hoare triple {83#true} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {83#true} is VALID [2020-07-28 18:58:11,453 INFO L280 TraceCheckUtils]: 4: Hoare triple {83#true} assume 0 != main_~tmp~4; {83#true} is VALID [2020-07-28 18:58:11,454 INFO L280 TraceCheckUtils]: 5: Hoare triple {83#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {83#true} is VALID [2020-07-28 18:58:11,455 INFO L280 TraceCheckUtils]: 6: Hoare triple {83#true} assume false; {84#false} is VALID [2020-07-28 18:58:11,455 INFO L280 TraceCheckUtils]: 7: Hoare triple {84#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {84#false} is VALID [2020-07-28 18:58:11,456 INFO L280 TraceCheckUtils]: 8: Hoare triple {84#false} assume !(0 != ~pumpRunning~0); {84#false} is VALID [2020-07-28 18:58:11,456 INFO L280 TraceCheckUtils]: 9: Hoare triple {84#false} assume !(0 != ~systemActive~0); {84#false} is VALID [2020-07-28 18:58:11,457 INFO L280 TraceCheckUtils]: 10: Hoare triple {84#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {84#false} is VALID [2020-07-28 18:58:11,457 INFO L280 TraceCheckUtils]: 11: Hoare triple {84#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {84#false} is VALID [2020-07-28 18:58:11,458 INFO L280 TraceCheckUtils]: 12: Hoare triple {84#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {84#false} is VALID [2020-07-28 18:58:11,458 INFO L280 TraceCheckUtils]: 13: Hoare triple {84#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {84#false} is VALID [2020-07-28 18:58:11,458 INFO L280 TraceCheckUtils]: 14: Hoare triple {84#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {84#false} is VALID [2020-07-28 18:58:11,459 INFO L280 TraceCheckUtils]: 15: Hoare triple {84#false} assume !false; {84#false} is VALID [2020-07-28 18:58:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:11,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593555849] [2020-07-28 18:58:11,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:11,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:11,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606017480] [2020-07-28 18:58:11,473 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:11,475 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:11,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:11,524 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 18:58:11,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:11,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:11,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:11,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:11,538 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-07-28 18:58:11,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:11,781 INFO L93 Difference]: Finished difference Result 154 states and 233 transitions. [2020-07-28 18:58:11,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:11,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:11,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2020-07-28 18:58:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 233 transitions. [2020-07-28 18:58:11,822 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 233 transitions. [2020-07-28 18:58:12,126 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:12,141 INFO L225 Difference]: With dead ends: 154 [2020-07-28 18:58:12,141 INFO L226 Difference]: Without dead ends: 76 [2020-07-28 18:58:12,145 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 18:58:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-28 18:58:12,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-28 18:58:12,201 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:12,202 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 76 states. [2020-07-28 18:58:12,202 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2020-07-28 18:58:12,202 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2020-07-28 18:58:12,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,209 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2020-07-28 18:58:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-07-28 18:58:12,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:12,210 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:12,211 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 76 states. [2020-07-28 18:58:12,211 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 76 states. [2020-07-28 18:58:12,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,217 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2020-07-28 18:58:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-07-28 18:58:12,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:12,218 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:12,218 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:12,219 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-28 18:58:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2020-07-28 18:58:12,225 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 16 [2020-07-28 18:58:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:12,226 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2020-07-28 18:58:12,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2020-07-28 18:58:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:12,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:12,227 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 18:58:12,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:12,228 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:12,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1892921914, now seen corresponding path program 1 times [2020-07-28 18:58:12,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:12,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954226983] [2020-07-28 18:58:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:12,367 INFO L280 TraceCheckUtils]: 0: Hoare triple {560#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {560#true} is VALID [2020-07-28 18:58:12,368 INFO L280 TraceCheckUtils]: 1: Hoare triple {560#true} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {560#true} is VALID [2020-07-28 18:58:12,368 INFO L280 TraceCheckUtils]: 2: Hoare triple {560#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {560#true} is VALID [2020-07-28 18:58:12,368 INFO L280 TraceCheckUtils]: 3: Hoare triple {560#true} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {560#true} is VALID [2020-07-28 18:58:12,369 INFO L280 TraceCheckUtils]: 4: Hoare triple {560#true} assume 0 != main_~tmp~4; {560#true} is VALID [2020-07-28 18:58:12,370 INFO L280 TraceCheckUtils]: 5: Hoare triple {560#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {562#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:12,370 INFO L280 TraceCheckUtils]: 6: Hoare triple {562#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {562#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:12,371 INFO L280 TraceCheckUtils]: 7: Hoare triple {562#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {561#false} is VALID [2020-07-28 18:58:12,371 INFO L280 TraceCheckUtils]: 8: Hoare triple {561#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {561#false} is VALID [2020-07-28 18:58:12,372 INFO L280 TraceCheckUtils]: 9: Hoare triple {561#false} assume !(0 != ~pumpRunning~0); {561#false} is VALID [2020-07-28 18:58:12,372 INFO L280 TraceCheckUtils]: 10: Hoare triple {561#false} assume !(0 != ~systemActive~0); {561#false} is VALID [2020-07-28 18:58:12,372 INFO L280 TraceCheckUtils]: 11: Hoare triple {561#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {561#false} is VALID [2020-07-28 18:58:12,373 INFO L280 TraceCheckUtils]: 12: Hoare triple {561#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {561#false} is VALID [2020-07-28 18:58:12,373 INFO L280 TraceCheckUtils]: 13: Hoare triple {561#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {561#false} is VALID [2020-07-28 18:58:12,373 INFO L280 TraceCheckUtils]: 14: Hoare triple {561#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {561#false} is VALID [2020-07-28 18:58:12,374 INFO L280 TraceCheckUtils]: 15: Hoare triple {561#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {561#false} is VALID [2020-07-28 18:58:12,374 INFO L280 TraceCheckUtils]: 16: Hoare triple {561#false} assume !false; {561#false} is VALID [2020-07-28 18:58:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:12,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954226983] [2020-07-28 18:58:12,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:12,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:12,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006163910] [2020-07-28 18:58:12,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:12,378 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:12,379 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:12,410 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 18:58:12,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:12,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:12,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:12,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:12,412 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand 3 states. [2020-07-28 18:58:12,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,652 INFO L93 Difference]: Finished difference Result 76 states and 108 transitions. [2020-07-28 18:58:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:12,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:12,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-28 18:58:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-28 18:58:12,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 108 transitions. [2020-07-28 18:58:12,819 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:12,821 INFO L225 Difference]: With dead ends: 76 [2020-07-28 18:58:12,821 INFO L226 Difference]: Without dead ends: 36 [2020-07-28 18:58:12,822 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 18:58:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-28 18:58:12,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-28 18:58:12,842 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:12,842 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-28 18:58:12,842 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 18:58:12,862 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 18:58:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,864 INFO L93 Difference]: Finished difference Result 36 states and 51 transitions. [2020-07-28 18:58:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-07-28 18:58:12,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:12,865 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:12,865 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 18:58:12,865 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 18:58:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:12,868 INFO L93 Difference]: Finished difference Result 36 states and 51 transitions. [2020-07-28 18:58:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-07-28 18:58:12,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:12,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:12,869 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:12,869 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-28 18:58:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2020-07-28 18:58:12,872 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 17 [2020-07-28 18:58:12,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:12,872 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2020-07-28 18:58:12,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-07-28 18:58:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:12,874 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:12,874 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 18:58:12,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:12,875 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:12,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602350, now seen corresponding path program 1 times [2020-07-28 18:58:12,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:12,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503689078] [2020-07-28 18:58:12,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:12,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {793#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {795#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:12,995 INFO L280 TraceCheckUtils]: 1: Hoare triple {795#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {795#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:12,996 INFO L280 TraceCheckUtils]: 2: Hoare triple {795#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {796#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:58:12,997 INFO L280 TraceCheckUtils]: 3: Hoare triple {796#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {797#(= ULTIMATE.start_main_~tmp~4 ~systemActive~0)} is VALID [2020-07-28 18:58:12,998 INFO L280 TraceCheckUtils]: 4: Hoare triple {797#(= ULTIMATE.start_main_~tmp~4 ~systemActive~0)} assume 0 != main_~tmp~4; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:12,999 INFO L280 TraceCheckUtils]: 5: Hoare triple {798#(not (= 0 ~systemActive~0))} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,000 INFO L280 TraceCheckUtils]: 6: Hoare triple {798#(not (= 0 ~systemActive~0))} assume !false; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,001 INFO L280 TraceCheckUtils]: 7: Hoare triple {798#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {798#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,002 INFO L280 TraceCheckUtils]: 9: Hoare triple {798#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~1); {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,003 INFO L280 TraceCheckUtils]: 10: Hoare triple {798#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,004 INFO L280 TraceCheckUtils]: 11: Hoare triple {798#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,005 INFO L280 TraceCheckUtils]: 12: Hoare triple {798#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,006 INFO L280 TraceCheckUtils]: 13: Hoare triple {798#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,006 INFO L280 TraceCheckUtils]: 14: Hoare triple {798#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {798#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:13,007 INFO L280 TraceCheckUtils]: 15: Hoare triple {798#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {794#false} is VALID [2020-07-28 18:58:13,008 INFO L280 TraceCheckUtils]: 16: Hoare triple {794#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {794#false} is VALID [2020-07-28 18:58:13,008 INFO L280 TraceCheckUtils]: 17: Hoare triple {794#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {794#false} is VALID [2020-07-28 18:58:13,008 INFO L280 TraceCheckUtils]: 18: Hoare triple {794#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {794#false} is VALID [2020-07-28 18:58:13,008 INFO L280 TraceCheckUtils]: 19: Hoare triple {794#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {794#false} is VALID [2020-07-28 18:58:13,009 INFO L280 TraceCheckUtils]: 20: Hoare triple {794#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {794#false} is VALID [2020-07-28 18:58:13,009 INFO L280 TraceCheckUtils]: 21: Hoare triple {794#false} assume !false; {794#false} is VALID [2020-07-28 18:58:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:13,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503689078] [2020-07-28 18:58:13,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:13,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:13,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612030489] [2020-07-28 18:58:13,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:13,013 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:13,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:13,045 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 18:58:13,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:13,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:13,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:13,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:13,047 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 6 states. [2020-07-28 18:58:13,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:13,701 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2020-07-28 18:58:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:13,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:13,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:13,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 175 transitions. [2020-07-28 18:58:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 175 transitions. [2020-07-28 18:58:13,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 175 transitions. [2020-07-28 18:58:13,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:13,916 INFO L225 Difference]: With dead ends: 119 [2020-07-28 18:58:13,917 INFO L226 Difference]: Without dead ends: 89 [2020-07-28 18:58:13,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-28 18:58:13,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 55. [2020-07-28 18:58:13,982 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:13,982 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand 55 states. [2020-07-28 18:58:13,982 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand 55 states. [2020-07-28 18:58:13,982 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 55 states. [2020-07-28 18:58:13,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:13,987 INFO L93 Difference]: Finished difference Result 89 states and 128 transitions. [2020-07-28 18:58:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-07-28 18:58:13,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:13,988 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:13,988 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 89 states. [2020-07-28 18:58:13,988 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 89 states. [2020-07-28 18:58:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:13,992 INFO L93 Difference]: Finished difference Result 89 states and 128 transitions. [2020-07-28 18:58:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-07-28 18:58:13,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:13,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:13,994 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:13,994 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:13,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 18:58:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-07-28 18:58:13,996 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 22 [2020-07-28 18:58:13,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:13,997 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-07-28 18:58:13,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-07-28 18:58:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:58:13,998 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:13,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:13,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:13,998 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:13,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:13,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1572373846, now seen corresponding path program 1 times [2020-07-28 18:58:13,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:13,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512445851] [2020-07-28 18:58:14,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:14,059 INFO L280 TraceCheckUtils]: 0: Hoare triple {1224#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,060 INFO L280 TraceCheckUtils]: 1: Hoare triple {1226#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,061 INFO L280 TraceCheckUtils]: 2: Hoare triple {1226#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,061 INFO L280 TraceCheckUtils]: 3: Hoare triple {1226#(= 0 ~pumpRunning~0)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,062 INFO L280 TraceCheckUtils]: 4: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,063 INFO L280 TraceCheckUtils]: 5: Hoare triple {1226#(= 0 ~pumpRunning~0)} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,063 INFO L280 TraceCheckUtils]: 6: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume !false; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,064 INFO L280 TraceCheckUtils]: 7: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,065 INFO L280 TraceCheckUtils]: 8: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,065 INFO L280 TraceCheckUtils]: 9: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,066 INFO L280 TraceCheckUtils]: 10: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,066 INFO L280 TraceCheckUtils]: 11: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,067 INFO L280 TraceCheckUtils]: 12: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,068 INFO L280 TraceCheckUtils]: 13: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,068 INFO L280 TraceCheckUtils]: 14: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,069 INFO L280 TraceCheckUtils]: 15: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1226#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,069 INFO L280 TraceCheckUtils]: 16: Hoare triple {1226#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1225#false} is VALID [2020-07-28 18:58:14,070 INFO L280 TraceCheckUtils]: 17: Hoare triple {1225#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1225#false} is VALID [2020-07-28 18:58:14,070 INFO L280 TraceCheckUtils]: 18: Hoare triple {1225#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {1225#false} is VALID [2020-07-28 18:58:14,070 INFO L280 TraceCheckUtils]: 19: Hoare triple {1225#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {1225#false} is VALID [2020-07-28 18:58:14,070 INFO L280 TraceCheckUtils]: 20: Hoare triple {1225#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {1225#false} is VALID [2020-07-28 18:58:14,071 INFO L280 TraceCheckUtils]: 21: Hoare triple {1225#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1225#false} is VALID [2020-07-28 18:58:14,071 INFO L280 TraceCheckUtils]: 22: Hoare triple {1225#false} assume !false; {1225#false} is VALID [2020-07-28 18:58:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:14,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512445851] [2020-07-28 18:58:14,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:14,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:14,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204182926] [2020-07-28 18:58:14,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-28 18:58:14,074 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:14,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:14,107 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:14,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:14,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:14,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:14,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:14,108 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 3 states. [2020-07-28 18:58:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,328 INFO L93 Difference]: Finished difference Result 125 states and 184 transitions. [2020-07-28 18:58:14,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:14,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-07-28 18:58:14,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:14,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2020-07-28 18:58:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:14,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2020-07-28 18:58:14,334 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 128 transitions. [2020-07-28 18:58:14,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 128 edges. 128 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:14,487 INFO L225 Difference]: With dead ends: 125 [2020-07-28 18:58:14,487 INFO L226 Difference]: Without dead ends: 76 [2020-07-28 18:58:14,488 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 18:58:14,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-28 18:58:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2020-07-28 18:58:14,581 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:14,581 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 74 states. [2020-07-28 18:58:14,581 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 74 states. [2020-07-28 18:58:14,581 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 74 states. [2020-07-28 18:58:14,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,584 INFO L93 Difference]: Finished difference Result 76 states and 106 transitions. [2020-07-28 18:58:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2020-07-28 18:58:14,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:14,585 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:14,585 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 76 states. [2020-07-28 18:58:14,585 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 76 states. [2020-07-28 18:58:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,589 INFO L93 Difference]: Finished difference Result 76 states and 106 transitions. [2020-07-28 18:58:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2020-07-28 18:58:14,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:14,589 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:14,589 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:14,590 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 18:58:14,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2020-07-28 18:58:14,593 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 23 [2020-07-28 18:58:14,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:14,593 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2020-07-28 18:58:14,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-07-28 18:58:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:14,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:14,594 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 18:58:14,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:14,595 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:14,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:14,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1956458727, now seen corresponding path program 1 times [2020-07-28 18:58:14,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:14,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468498890] [2020-07-28 18:58:14,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:14,676 INFO L280 TraceCheckUtils]: 0: Hoare triple {1659#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,677 INFO L280 TraceCheckUtils]: 1: Hoare triple {1661#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,678 INFO L280 TraceCheckUtils]: 2: Hoare triple {1661#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,679 INFO L280 TraceCheckUtils]: 3: Hoare triple {1661#(= 0 ~pumpRunning~0)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,680 INFO L280 TraceCheckUtils]: 5: Hoare triple {1661#(= 0 ~pumpRunning~0)} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,681 INFO L280 TraceCheckUtils]: 6: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !false; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,681 INFO L280 TraceCheckUtils]: 7: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,682 INFO L280 TraceCheckUtils]: 8: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~1); {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,683 INFO L280 TraceCheckUtils]: 10: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,685 INFO L280 TraceCheckUtils]: 12: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,690 INFO L280 TraceCheckUtils]: 13: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet15 && test_#t~nondet15 <= 2147483647;test_~tmp___1~0 := test_#t~nondet15;havoc test_#t~nondet15; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,692 INFO L280 TraceCheckUtils]: 14: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,692 INFO L280 TraceCheckUtils]: 15: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,693 INFO L280 TraceCheckUtils]: 16: Hoare triple {1661#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,694 INFO L280 TraceCheckUtils]: 17: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,694 INFO L280 TraceCheckUtils]: 18: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,695 INFO L280 TraceCheckUtils]: 19: Hoare triple {1661#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,696 INFO L280 TraceCheckUtils]: 20: Hoare triple {1661#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {1661#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:14,697 INFO L280 TraceCheckUtils]: 21: Hoare triple {1661#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {1662#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:14,698 INFO L280 TraceCheckUtils]: 22: Hoare triple {1662#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {1663#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:14,698 INFO L280 TraceCheckUtils]: 23: Hoare triple {1663#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1660#false} is VALID [2020-07-28 18:58:14,699 INFO L280 TraceCheckUtils]: 24: Hoare triple {1660#false} assume !false; {1660#false} is VALID [2020-07-28 18:58:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:14,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468498890] [2020-07-28 18:58:14,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:14,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:14,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954750144] [2020-07-28 18:58:14,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:14,701 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:14,702 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:14,734 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 18:58:14,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:14,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:14,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:14,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:14,735 INFO L87 Difference]: Start difference. First operand 74 states and 105 transitions. Second operand 5 states. [2020-07-28 18:58:15,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,583 INFO L93 Difference]: Finished difference Result 204 states and 293 transitions. [2020-07-28 18:58:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:15,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:15,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 222 transitions. [2020-07-28 18:58:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 222 transitions. [2020-07-28 18:58:15,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 222 transitions. [2020-07-28 18:58:15,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,897 INFO L225 Difference]: With dead ends: 204 [2020-07-28 18:58:15,897 INFO L226 Difference]: Without dead ends: 202 [2020-07-28 18:58:15,897 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 18:58:15,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-28 18:58:16,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 74. [2020-07-28 18:58:16,010 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:16,010 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand 74 states. [2020-07-28 18:58:16,011 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 74 states. [2020-07-28 18:58:16,011 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 74 states. [2020-07-28 18:58:16,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,018 INFO L93 Difference]: Finished difference Result 202 states and 290 transitions. [2020-07-28 18:58:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 290 transitions. [2020-07-28 18:58:16,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,019 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 202 states. [2020-07-28 18:58:16,019 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 202 states. [2020-07-28 18:58:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,027 INFO L93 Difference]: Finished difference Result 202 states and 290 transitions. [2020-07-28 18:58:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 290 transitions. [2020-07-28 18:58:16,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,028 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,028 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:16,028 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-28 18:58:16,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 103 transitions. [2020-07-28 18:58:16,031 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 103 transitions. Word has length 25 [2020-07-28 18:58:16,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:16,031 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 103 transitions. [2020-07-28 18:58:16,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2020-07-28 18:58:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:16,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:16,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:16,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:16,032 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:16,033 INFO L82 PathProgramCache]: Analyzing trace with hash -181544793, now seen corresponding path program 1 times [2020-07-28 18:58:16,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:16,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789218332] [2020-07-28 18:58:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:16,120 INFO L280 TraceCheckUtils]: 0: Hoare triple {2470#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {2470#true} is VALID [2020-07-28 18:58:16,120 INFO L280 TraceCheckUtils]: 1: Hoare triple {2470#true} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {2470#true} is VALID [2020-07-28 18:58:16,121 INFO L280 TraceCheckUtils]: 2: Hoare triple {2470#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {2470#true} is VALID [2020-07-28 18:58:16,121 INFO L280 TraceCheckUtils]: 3: Hoare triple {2470#true} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {2470#true} is VALID [2020-07-28 18:58:16,121 INFO L280 TraceCheckUtils]: 4: Hoare triple {2470#true} assume 0 != main_~tmp~4; {2470#true} is VALID [2020-07-28 18:58:16,121 INFO L280 TraceCheckUtils]: 5: Hoare triple {2470#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2470#true} is VALID [2020-07-28 18:58:16,122 INFO L280 TraceCheckUtils]: 6: Hoare triple {2470#true} assume !false; {2470#true} is VALID [2020-07-28 18:58:16,122 INFO L280 TraceCheckUtils]: 7: Hoare triple {2470#true} assume test_~splverifierCounter~0 < 4; {2470#true} is VALID [2020-07-28 18:58:16,122 INFO L280 TraceCheckUtils]: 8: Hoare triple {2470#true} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {2470#true} is VALID [2020-07-28 18:58:16,122 INFO L280 TraceCheckUtils]: 9: Hoare triple {2470#true} assume !(0 != test_~tmp~1); {2470#true} is VALID [2020-07-28 18:58:16,123 INFO L280 TraceCheckUtils]: 10: Hoare triple {2470#true} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {2470#true} is VALID [2020-07-28 18:58:16,123 INFO L280 TraceCheckUtils]: 11: Hoare triple {2470#true} assume !(0 != test_~tmp___0~1); {2470#true} is VALID [2020-07-28 18:58:16,123 INFO L280 TraceCheckUtils]: 12: Hoare triple {2470#true} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {2470#true} is VALID [2020-07-28 18:58:16,123 INFO L280 TraceCheckUtils]: 13: Hoare triple {2470#true} assume 0 != test_~tmp___2~0; {2470#true} is VALID [2020-07-28 18:58:16,123 INFO L280 TraceCheckUtils]: 14: Hoare triple {2470#true} assume !(0 != ~pumpRunning~0); {2470#true} is VALID [2020-07-28 18:58:16,124 INFO L280 TraceCheckUtils]: 15: Hoare triple {2470#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2470#true} is VALID [2020-07-28 18:58:16,124 INFO L280 TraceCheckUtils]: 16: Hoare triple {2470#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {2470#true} is VALID [2020-07-28 18:58:16,124 INFO L280 TraceCheckUtils]: 17: Hoare triple {2470#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {2470#true} is VALID [2020-07-28 18:58:16,124 INFO L280 TraceCheckUtils]: 18: Hoare triple {2470#true} isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret34 && isHighWaterLevel_#t~ret34 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; {2470#true} is VALID [2020-07-28 18:58:16,126 INFO L280 TraceCheckUtils]: 19: Hoare triple {2470#true} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~2 := 0; {2472#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} is VALID [2020-07-28 18:58:16,127 INFO L280 TraceCheckUtils]: 20: Hoare triple {2472#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {2473#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:16,128 INFO L280 TraceCheckUtils]: 21: Hoare triple {2473#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret16 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret16 && processEnvironment_#t~ret16 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret16;havoc processEnvironment_#t~ret16; {2474#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 18:58:16,128 INFO L280 TraceCheckUtils]: 22: Hoare triple {2474#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 1; {2471#false} is VALID [2020-07-28 18:58:16,129 INFO L280 TraceCheckUtils]: 23: Hoare triple {2471#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {2471#false} is VALID [2020-07-28 18:58:16,129 INFO L280 TraceCheckUtils]: 24: Hoare triple {2471#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {2471#false} is VALID [2020-07-28 18:58:16,129 INFO L280 TraceCheckUtils]: 25: Hoare triple {2471#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {2471#false} is VALID [2020-07-28 18:58:16,129 INFO L280 TraceCheckUtils]: 26: Hoare triple {2471#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {2471#false} is VALID [2020-07-28 18:58:16,130 INFO L280 TraceCheckUtils]: 27: Hoare triple {2471#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2471#false} is VALID [2020-07-28 18:58:16,130 INFO L280 TraceCheckUtils]: 28: Hoare triple {2471#false} assume !false; {2471#false} is VALID [2020-07-28 18:58:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:16,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789218332] [2020-07-28 18:58:16,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:16,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:16,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696503258] [2020-07-28 18:58:16,132 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:16,133 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:16,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:16,171 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:16,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:16,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:16,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:16,172 INFO L87 Difference]: Start difference. First operand 74 states and 103 transitions. Second operand 5 states. [2020-07-28 18:58:16,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,949 INFO L93 Difference]: Finished difference Result 217 states and 305 transitions. [2020-07-28 18:58:16,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:16,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-07-28 18:58:16,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2020-07-28 18:58:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:16,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2020-07-28 18:58:16,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 157 transitions. [2020-07-28 18:58:17,134 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 157 edges. 157 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,137 INFO L225 Difference]: With dead ends: 217 [2020-07-28 18:58:17,138 INFO L226 Difference]: Without dead ends: 149 [2020-07-28 18:58:17,138 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 18:58:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-28 18:58:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 77. [2020-07-28 18:58:17,275 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:17,275 INFO L82 GeneralOperation]: Start isEquivalent. First operand 149 states. Second operand 77 states. [2020-07-28 18:58:17,275 INFO L74 IsIncluded]: Start isIncluded. First operand 149 states. Second operand 77 states. [2020-07-28 18:58:17,275 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 77 states. [2020-07-28 18:58:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,280 INFO L93 Difference]: Finished difference Result 149 states and 207 transitions. [2020-07-28 18:58:17,280 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2020-07-28 18:58:17,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:17,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:17,281 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 149 states. [2020-07-28 18:58:17,281 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 149 states. [2020-07-28 18:58:17,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,286 INFO L93 Difference]: Finished difference Result 149 states and 207 transitions. [2020-07-28 18:58:17,286 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2020-07-28 18:58:17,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:17,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:17,287 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:17,287 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-28 18:58:17,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-07-28 18:58:17,290 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 29 [2020-07-28 18:58:17,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:17,290 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-07-28 18:58:17,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-07-28 18:58:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:17,291 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:17,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:17,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:17,292 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:17,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:17,292 INFO L82 PathProgramCache]: Analyzing trace with hash -574571803, now seen corresponding path program 1 times [2020-07-28 18:58:17,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:17,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985860451] [2020-07-28 18:58:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:17,372 INFO L280 TraceCheckUtils]: 0: Hoare triple {3195#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {3195#true} is VALID [2020-07-28 18:58:17,372 INFO L280 TraceCheckUtils]: 1: Hoare triple {3195#true} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {3195#true} is VALID [2020-07-28 18:58:17,373 INFO L280 TraceCheckUtils]: 2: Hoare triple {3195#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {3197#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:17,373 INFO L280 TraceCheckUtils]: 3: Hoare triple {3197#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {3198#(= 1 ULTIMATE.start_main_~tmp~4)} is VALID [2020-07-28 18:58:17,374 INFO L280 TraceCheckUtils]: 4: Hoare triple {3198#(= 1 ULTIMATE.start_main_~tmp~4)} assume 0 != main_~tmp~4; {3195#true} is VALID [2020-07-28 18:58:17,374 INFO L280 TraceCheckUtils]: 5: Hoare triple {3195#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3195#true} is VALID [2020-07-28 18:58:17,374 INFO L280 TraceCheckUtils]: 6: Hoare triple {3195#true} assume !false; {3195#true} is VALID [2020-07-28 18:58:17,374 INFO L280 TraceCheckUtils]: 7: Hoare triple {3195#true} assume test_~splverifierCounter~0 < 4; {3195#true} is VALID [2020-07-28 18:58:17,375 INFO L280 TraceCheckUtils]: 8: Hoare triple {3195#true} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {3195#true} is VALID [2020-07-28 18:58:17,375 INFO L280 TraceCheckUtils]: 9: Hoare triple {3195#true} assume !(0 != test_~tmp~1); {3195#true} is VALID [2020-07-28 18:58:17,375 INFO L280 TraceCheckUtils]: 10: Hoare triple {3195#true} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {3195#true} is VALID [2020-07-28 18:58:17,375 INFO L280 TraceCheckUtils]: 11: Hoare triple {3195#true} assume !(0 != test_~tmp___0~1); {3195#true} is VALID [2020-07-28 18:58:17,375 INFO L280 TraceCheckUtils]: 12: Hoare triple {3195#true} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {3195#true} is VALID [2020-07-28 18:58:17,376 INFO L280 TraceCheckUtils]: 13: Hoare triple {3195#true} assume 0 != test_~tmp___2~0; {3195#true} is VALID [2020-07-28 18:58:17,376 INFO L280 TraceCheckUtils]: 14: Hoare triple {3195#true} assume !(0 != ~pumpRunning~0); {3195#true} is VALID [2020-07-28 18:58:17,376 INFO L280 TraceCheckUtils]: 15: Hoare triple {3195#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3195#true} is VALID [2020-07-28 18:58:17,376 INFO L280 TraceCheckUtils]: 16: Hoare triple {3195#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3195#true} is VALID [2020-07-28 18:58:17,377 INFO L280 TraceCheckUtils]: 17: Hoare triple {3195#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3199#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:17,378 INFO L280 TraceCheckUtils]: 18: Hoare triple {3199#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret34 && isHighWaterLevel_#t~ret34 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; {3200#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3))} is VALID [2020-07-28 18:58:17,378 INFO L280 TraceCheckUtils]: 19: Hoare triple {3200#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3))} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~2 := 1; {3196#false} is VALID [2020-07-28 18:58:17,379 INFO L280 TraceCheckUtils]: 20: Hoare triple {3196#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {3196#false} is VALID [2020-07-28 18:58:17,379 INFO L280 TraceCheckUtils]: 21: Hoare triple {3196#false} processEnvironment_#t~ret16 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret16 && processEnvironment_#t~ret16 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret16;havoc processEnvironment_#t~ret16; {3196#false} is VALID [2020-07-28 18:58:17,379 INFO L280 TraceCheckUtils]: 22: Hoare triple {3196#false} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 1; {3196#false} is VALID [2020-07-28 18:58:17,379 INFO L280 TraceCheckUtils]: 23: Hoare triple {3196#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {3196#false} is VALID [2020-07-28 18:58:17,380 INFO L280 TraceCheckUtils]: 24: Hoare triple {3196#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {3196#false} is VALID [2020-07-28 18:58:17,380 INFO L280 TraceCheckUtils]: 25: Hoare triple {3196#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {3196#false} is VALID [2020-07-28 18:58:17,380 INFO L280 TraceCheckUtils]: 26: Hoare triple {3196#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {3196#false} is VALID [2020-07-28 18:58:17,380 INFO L280 TraceCheckUtils]: 27: Hoare triple {3196#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3196#false} is VALID [2020-07-28 18:58:17,380 INFO L280 TraceCheckUtils]: 28: Hoare triple {3196#false} assume !false; {3196#false} is VALID [2020-07-28 18:58:17,381 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 18:58:17,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985860451] [2020-07-28 18:58:17,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:17,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:58:17,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733755917] [2020-07-28 18:58:17,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-07-28 18:58:17,383 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:17,383 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:17,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:17,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:17,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:17,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:17,419 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 6 states. [2020-07-28 18:58:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,271 INFO L93 Difference]: Finished difference Result 231 states and 320 transitions. [2020-07-28 18:58:18,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 18:58:18,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-07-28 18:58:18,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2020-07-28 18:58:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2020-07-28 18:58:18,277 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 163 transitions. [2020-07-28 18:58:18,483 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,487 INFO L225 Difference]: With dead ends: 231 [2020-07-28 18:58:18,487 INFO L226 Difference]: Without dead ends: 160 [2020-07-28 18:58:18,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-28 18:58:18,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-28 18:58:18,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 79. [2020-07-28 18:58:18,694 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:18,694 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand 79 states. [2020-07-28 18:58:18,695 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 79 states. [2020-07-28 18:58:18,695 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 79 states. [2020-07-28 18:58:18,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,699 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2020-07-28 18:58:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2020-07-28 18:58:18,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,700 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 160 states. [2020-07-28 18:58:18,700 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 160 states. [2020-07-28 18:58:18,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,705 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2020-07-28 18:58:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 219 transitions. [2020-07-28 18:58:18,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:18,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-28 18:58:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions. [2020-07-28 18:58:18,709 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 29 [2020-07-28 18:58:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:18,709 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 108 transitions. [2020-07-28 18:58:18,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2020-07-28 18:58:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-28 18:58:18,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:18,710 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:18,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:18,710 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:18,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:18,711 INFO L82 PathProgramCache]: Analyzing trace with hash -316406365, now seen corresponding path program 1 times [2020-07-28 18:58:18,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:18,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327716138] [2020-07-28 18:58:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:18,801 INFO L280 TraceCheckUtils]: 0: Hoare triple {3971#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {3973#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,803 INFO L280 TraceCheckUtils]: 2: Hoare triple {3973#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,804 INFO L280 TraceCheckUtils]: 3: Hoare triple {3973#(= 1 ~waterLevel~0)} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,805 INFO L280 TraceCheckUtils]: 4: Hoare triple {3973#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,806 INFO L280 TraceCheckUtils]: 5: Hoare triple {3973#(= 1 ~waterLevel~0)} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,806 INFO L280 TraceCheckUtils]: 6: Hoare triple {3973#(= 1 ~waterLevel~0)} assume !false; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,807 INFO L280 TraceCheckUtils]: 7: Hoare triple {3973#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,808 INFO L280 TraceCheckUtils]: 8: Hoare triple {3973#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,808 INFO L280 TraceCheckUtils]: 9: Hoare triple {3973#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,809 INFO L280 TraceCheckUtils]: 10: Hoare triple {3973#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,809 INFO L280 TraceCheckUtils]: 11: Hoare triple {3973#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,810 INFO L280 TraceCheckUtils]: 12: Hoare triple {3973#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,810 INFO L280 TraceCheckUtils]: 13: Hoare triple {3973#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,811 INFO L280 TraceCheckUtils]: 14: Hoare triple {3973#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,811 INFO L280 TraceCheckUtils]: 15: Hoare triple {3973#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,812 INFO L280 TraceCheckUtils]: 16: Hoare triple {3973#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {3973#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:18,813 INFO L280 TraceCheckUtils]: 17: Hoare triple {3973#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {3972#false} is VALID [2020-07-28 18:58:18,813 INFO L280 TraceCheckUtils]: 18: Hoare triple {3972#false} isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret34 && isHighWaterLevel_#t~ret34 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; {3972#false} is VALID [2020-07-28 18:58:18,813 INFO L280 TraceCheckUtils]: 19: Hoare triple {3972#false} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~2 := 1; {3972#false} is VALID [2020-07-28 18:58:18,813 INFO L280 TraceCheckUtils]: 20: Hoare triple {3972#false} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {3972#false} is VALID [2020-07-28 18:58:18,814 INFO L280 TraceCheckUtils]: 21: Hoare triple {3972#false} processEnvironment_#t~ret16 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret16 && processEnvironment_#t~ret16 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret16;havoc processEnvironment_#t~ret16; {3972#false} is VALID [2020-07-28 18:58:18,814 INFO L280 TraceCheckUtils]: 22: Hoare triple {3972#false} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 1; {3972#false} is VALID [2020-07-28 18:58:18,814 INFO L280 TraceCheckUtils]: 23: Hoare triple {3972#false} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {3972#false} is VALID [2020-07-28 18:58:18,814 INFO L280 TraceCheckUtils]: 24: Hoare triple {3972#false} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {3972#false} is VALID [2020-07-28 18:58:18,815 INFO L280 TraceCheckUtils]: 25: Hoare triple {3972#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {3972#false} is VALID [2020-07-28 18:58:18,815 INFO L280 TraceCheckUtils]: 26: Hoare triple {3972#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {3972#false} is VALID [2020-07-28 18:58:18,815 INFO L280 TraceCheckUtils]: 27: Hoare triple {3972#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3972#false} is VALID [2020-07-28 18:58:18,815 INFO L280 TraceCheckUtils]: 28: Hoare triple {3972#false} assume !false; {3972#false} is VALID [2020-07-28 18:58:18,817 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 18:58:18,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327716138] [2020-07-28 18:58:18,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:18,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:18,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684519421] [2020-07-28 18:58:18,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-07-28 18:58:18,819 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:18,819 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:18,857 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:18,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:18,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:18,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:18,858 INFO L87 Difference]: Start difference. First operand 79 states and 108 transitions. Second operand 3 states. [2020-07-28 18:58:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:19,283 INFO L93 Difference]: Finished difference Result 197 states and 271 transitions. [2020-07-28 18:58:19,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:19,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-07-28 18:58:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2020-07-28 18:58:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 132 transitions. [2020-07-28 18:58:19,287 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 132 transitions. [2020-07-28 18:58:19,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:19,420 INFO L225 Difference]: With dead ends: 197 [2020-07-28 18:58:19,420 INFO L226 Difference]: Without dead ends: 124 [2020-07-28 18:58:19,420 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 18:58:19,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-28 18:58:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-28 18:58:19,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:19,699 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 124 states. [2020-07-28 18:58:19,700 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 18:58:19,700 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 18:58:19,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:19,704 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2020-07-28 18:58:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2020-07-28 18:58:19,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:19,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:19,705 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 124 states. [2020-07-28 18:58:19,705 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 124 states. [2020-07-28 18:58:19,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:19,708 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2020-07-28 18:58:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2020-07-28 18:58:19,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:19,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:19,709 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:19,709 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-28 18:58:19,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 166 transitions. [2020-07-28 18:58:19,712 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 166 transitions. Word has length 29 [2020-07-28 18:58:19,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:19,712 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 166 transitions. [2020-07-28 18:58:19,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2020-07-28 18:58:19,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:19,713 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:19,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:19,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:19,714 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:19,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:19,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2112677349, now seen corresponding path program 1 times [2020-07-28 18:58:19,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:19,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805208884] [2020-07-28 18:58:19,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:19,856 INFO L280 TraceCheckUtils]: 0: Hoare triple {4676#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,857 INFO L280 TraceCheckUtils]: 1: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,861 INFO L280 TraceCheckUtils]: 2: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,862 INFO L280 TraceCheckUtils]: 3: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} main_#t~ret36 := valid_product_#res;assume -2147483648 <= main_#t~ret36 && main_#t~ret36 <= 2147483647;main_~tmp~4 := main_#t~ret36;havoc main_#t~ret36; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,863 INFO L280 TraceCheckUtils]: 4: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != main_~tmp~4; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,863 INFO L280 TraceCheckUtils]: 5: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,864 INFO L280 TraceCheckUtils]: 6: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !false; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,865 INFO L280 TraceCheckUtils]: 7: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume test_~splverifierCounter~0 < 4; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,865 INFO L280 TraceCheckUtils]: 8: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,866 INFO L280 TraceCheckUtils]: 9: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp~1; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,867 INFO L280 TraceCheckUtils]: 10: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,867 INFO L280 TraceCheckUtils]: 11: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,868 INFO L280 TraceCheckUtils]: 12: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp___0~1); {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,869 INFO L280 TraceCheckUtils]: 13: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,869 INFO L280 TraceCheckUtils]: 14: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,877 INFO L280 TraceCheckUtils]: 15: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0); {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,877 INFO L280 TraceCheckUtils]: 16: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,878 INFO L280 TraceCheckUtils]: 17: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret34, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,879 INFO L280 TraceCheckUtils]: 18: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,880 INFO L280 TraceCheckUtils]: 19: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isHighWaterLevel_#t~ret34 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret34 && isHighWaterLevel_#t~ret34 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret34;havoc isHighWaterLevel_#t~ret34; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,880 INFO L280 TraceCheckUtils]: 20: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~2 := 1; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,881 INFO L280 TraceCheckUtils]: 21: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,882 INFO L280 TraceCheckUtils]: 22: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} processEnvironment_#t~ret16 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret16 && processEnvironment_#t~ret16 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret16;havoc processEnvironment_#t~ret16; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,882 INFO L280 TraceCheckUtils]: 23: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 1; {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:19,883 INFO L280 TraceCheckUtils]: 24: Hoare triple {4678#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {4679#(and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 18:58:19,884 INFO L280 TraceCheckUtils]: 25: Hoare triple {4679#(and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret10 && __utac_acc__Specification1_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; {4680#(and (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) (<= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0))} is VALID [2020-07-28 18:58:19,884 INFO L280 TraceCheckUtils]: 26: Hoare triple {4680#(and (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) (<= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0))} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;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; {4677#false} is VALID [2020-07-28 18:58:19,885 INFO L280 TraceCheckUtils]: 27: Hoare triple {4677#false} __utac_acc__Specification1_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {4677#false} is VALID [2020-07-28 18:58:19,885 INFO L280 TraceCheckUtils]: 28: Hoare triple {4677#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {4677#false} is VALID [2020-07-28 18:58:19,885 INFO L280 TraceCheckUtils]: 29: Hoare triple {4677#false} assume !false; {4677#false} is VALID [2020-07-28 18:58:19,889 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 18:58:19,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805208884] [2020-07-28 18:58:19,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:19,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:19,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598396444] [2020-07-28 18:58:19,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:19,892 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:19,892 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:19,931 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:19,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:19,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:19,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:19,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:19,932 INFO L87 Difference]: Start difference. First operand 124 states and 166 transitions. Second operand 5 states. [2020-07-28 18:58:22,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,179 INFO L93 Difference]: Finished difference Result 623 states and 848 transitions. [2020-07-28 18:58:22,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:22,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:22,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 264 transitions. [2020-07-28 18:58:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 264 transitions. [2020-07-28 18:58:22,186 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 264 transitions. [2020-07-28 18:58:22,518 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 264 edges. 264 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:22,536 INFO L225 Difference]: With dead ends: 623 [2020-07-28 18:58:22,536 INFO L226 Difference]: Without dead ends: 505 [2020-07-28 18:58:22,537 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 18:58:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2020-07-28 18:58:23,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 230. [2020-07-28 18:58:23,307 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:23,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 505 states. Second operand 230 states. [2020-07-28 18:58:23,307 INFO L74 IsIncluded]: Start isIncluded. First operand 505 states. Second operand 230 states. [2020-07-28 18:58:23,308 INFO L87 Difference]: Start difference. First operand 505 states. Second operand 230 states. [2020-07-28 18:58:23,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,331 INFO L93 Difference]: Finished difference Result 505 states and 676 transitions. [2020-07-28 18:58:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 676 transitions. [2020-07-28 18:58:23,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:23,332 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:23,333 INFO L74 IsIncluded]: Start isIncluded. First operand 230 states. Second operand 505 states. [2020-07-28 18:58:23,333 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 505 states. [2020-07-28 18:58:23,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,358 INFO L93 Difference]: Finished difference Result 505 states and 676 transitions. [2020-07-28 18:58:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 676 transitions. [2020-07-28 18:58:23,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:23,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:23,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:23,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-28 18:58:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 304 transitions. [2020-07-28 18:58:23,368 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 304 transitions. Word has length 30 [2020-07-28 18:58:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:23,369 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 304 transitions. [2020-07-28 18:58:23,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 304 transitions. [2020-07-28 18:58:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:23,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:23,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:23,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:23,376 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:23,376 INFO L82 PathProgramCache]: Analyzing trace with hash 191299371, now seen corresponding path program 1 times [2020-07-28 18:58:23,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:23,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337797519] [2020-07-28 18:58:23,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:23,448 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:23,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:23,570 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:23,570 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:23,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L442 has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L450 has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2020-07-28 18:58:23,764 WARN L170 areAnnotationChecker]: L537-1 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L257-1 has no Hoare annotation [2020-07-28 18:58:23,765 WARN L170 areAnnotationChecker]: L257-1 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L257-2 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L257-2 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L200 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L200 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L289-1 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L289-1 has no Hoare annotation [2020-07-28 18:58:23,766 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L200-1 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-28 18:58:23,767 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L210-1 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L391-3 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L391-3 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L342-1 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L159-3 has no Hoare annotation [2020-07-28 18:58:23,768 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L391-5 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L163-2 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L163-2 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L466-2 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L466-2 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L466-2 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L226-1 has no Hoare annotation [2020-07-28 18:58:23,769 WARN L170 areAnnotationChecker]: L226-1 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L397-1 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L145-1 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L145-1 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L467 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 18:58:23,770 WARN L170 areAnnotationChecker]: L257 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L293-1 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L293-1 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-28 18:58:23,771 WARN L170 areAnnotationChecker]: L405-1 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L470-1 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L470-1 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 18:58:23,772 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L257-3 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L257-3 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L289-2 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L264-2 has no Hoare annotation [2020-07-28 18:58:23,773 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L391-2 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation [2020-07-28 18:58:23,774 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L159-4 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L397 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L391-6 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L391-6 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L342-2 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L159-5 has no Hoare annotation [2020-07-28 18:58:23,775 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L391-8 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L163-4 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L163-4 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L397-2 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L145-2 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L145-2 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L293-2 has no Hoare annotation [2020-07-28 18:58:23,776 WARN L170 areAnnotationChecker]: L293-2 has no Hoare annotation [2020-07-28 18:58:23,777 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 18:58:23,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:23 BoogieIcfgContainer [2020-07-28 18:58:23,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:23,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:23,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:23,783 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:23,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:11" (3/4) ... [2020-07-28 18:58:23,788 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:23,970 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:23,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:23,973 INFO L168 Benchmark]: Toolchain (without parser) took 15187.00 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.5 MB). Free memory was 954.9 MB in the beginning and 886.4 MB in the end (delta: 68.4 MB). Peak memory consumption was 435.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:23,973 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:23,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:23,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:23,974 INFO L168 Benchmark]: Boogie Preprocessor took 47.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:23,975 INFO L168 Benchmark]: RCFGBuilder took 1363.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:23,975 INFO L168 Benchmark]: TraceAbstraction took 12775.65 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.2 MB). Free memory was 978.1 MB in the beginning and 907.7 MB in the end (delta: 70.4 MB). Peak memory consumption was 289.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:23,975 INFO L168 Benchmark]: Witness Printer took 186.95 ms. Allocated memory is still 1.4 GB. Free memory was 907.7 MB in the beginning and 886.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:23,978 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 0.94 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 691.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1363.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.1 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12775.65 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 219.2 MB). Free memory was 978.1 MB in the beginning and 907.7 MB in the end (delta: 70.4 MB). Peak memory consumption was 289.6 MB. Max. memory is 11.5 GB. * Witness Printer took 186.95 ms. Allocated memory is still 1.4 GB. Free memory was 907.7 MB in the beginning and 886.4 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 145]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L250] int pumpRunning = 0; [L251] int systemActive = 1; [L455] int cleanupTimeShifts = 4; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] int retValue_acc ; [L529] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] tmp = valid_product() [L537] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] int splverifierCounter ; [L182] int tmp ; [L183] int tmp___0 ; [L184] int tmp___1 ; [L185] int tmp___2 ; [L188] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L190] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L192] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L198] tmp = __VERIFIER_nondet_int() [L200] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L208] tmp___0 = __VERIFIER_nondet_int() [L210] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L218] tmp___2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L257] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L264] COND TRUE \read(systemActive) [L286] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L289] COND TRUE ! pumpRunning [L383] int retValue_acc ; [L384] int tmp ; [L385] int tmp___0 ; [L127] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L389] tmp = isHighWaterSensorDry() [L391] COND FALSE !(\read(tmp)) [L394] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L396] retValue_acc = tmp___0 [L397] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] tmp = isHighWaterLevel() [L293] COND TRUE \read(tmp) [L314] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L152] int tmp ; [L153] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] tmp = isMethaneLevelCritical() [L159] COND TRUE \read(tmp) [L338] int retValue_acc ; [L341] retValue_acc = pumpRunning [L342] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L161] tmp___0 = isPumpRunning() [L163] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L145] __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, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 623 SDtfs, 974 SDslu, 1093 SDs, 0 SdLazy, 129 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 592 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 13832 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...