./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product13.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_spec3_product13.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 35ec611011aa6867bf0bb36080e273ba993b072e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:01:14,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:14,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:14,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:14,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:14,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:14,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:14,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:14,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:14,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:14,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:14,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:14,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:14,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:14,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:14,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:14,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:14,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:14,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:14,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:14,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:14,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:14,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:14,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:14,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:14,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:14,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:14,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:14,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:14,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:14,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:14,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:14,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:14,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:14,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:14,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:14,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:14,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:14,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:14,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:14,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:14,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:14,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:14,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:14,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:14,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:14,477 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:14,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:14,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:14,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:14,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:14,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:14,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:14,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:14,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:14,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:14,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:14,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:14,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:14,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:14,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:14,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:14,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:14,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:14,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:14,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:14,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:14,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:14,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:14,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:14,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:14,482 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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2020-07-28 19:01:14,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:14,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:14,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:14,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:14,825 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:14,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2020-07-28 19:01:14,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427b166c5/6eb01a9979fa442ba6bf3acf7ba87e49/FLAGb59b67a51 [2020-07-28 19:01:15,417 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:15,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2020-07-28 19:01:15,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427b166c5/6eb01a9979fa442ba6bf3acf7ba87e49/FLAGb59b67a51 [2020-07-28 19:01:15,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427b166c5/6eb01a9979fa442ba6bf3acf7ba87e49 [2020-07-28 19:01:15,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:15,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:15,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:15,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:15,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:15,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dc62ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15, skipping insertion in model container [2020-07-28 19:01:15,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:15,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:16,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:16,227 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:16,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:16,419 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:16,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16 WrapperNode [2020-07-28 19:01:16,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:16,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:16,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:16,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:16,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:16,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:16,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:16,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:16,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:16,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:16,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:16,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:16,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (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 19:01:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:18,056 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:18,057 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 19:01:18,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:18 BoogieIcfgContainer [2020-07-28 19:01:18,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:18,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:18,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:18,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:18,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:15" (1/3) ... [2020-07-28 19:01:18,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5803b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:18, skipping insertion in model container [2020-07-28 19:01:18,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (2/3) ... [2020-07-28 19:01:18,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5803b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:18, skipping insertion in model container [2020-07-28 19:01:18,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:18" (3/3) ... [2020-07-28 19:01:18,071 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2020-07-28 19:01:18,082 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:18,090 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:18,106 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:18,131 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:18,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:18,132 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:18,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:18,133 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:18,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:18,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:18,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 19:01:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:18,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:18,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:18,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:18,168 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2020-07-28 19:01:18,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:18,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336724774] [2020-07-28 19:01:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:18,482 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {78#true} is VALID [2020-07-28 19:01:18,483 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {78#true} is VALID [2020-07-28 19:01:18,483 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {78#true} is VALID [2020-07-28 19:01:18,484 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {78#true} is VALID [2020-07-28 19:01:18,484 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~0; {78#true} is VALID [2020-07-28 19:01:18,485 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 19:01:18,486 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 19:01:18,487 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 19:01:18,487 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 19:01:18,488 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 19:01:18,488 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; {79#false} is VALID [2020-07-28 19:01:18,489 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret31 && __utac_acc__Specification3_spec__1_#t~ret31 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; {79#false} is VALID [2020-07-28 19:01:18,489 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {79#false} is VALID [2020-07-28 19:01:18,489 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret32 && __utac_acc__Specification3_spec__1_#t~ret32 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; {79#false} is VALID [2020-07-28 19:01:18,490 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {79#false} is VALID [2020-07-28 19:01:18,490 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} __utac_acc__Specification3_spec__1_#t~ret33 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret33 && __utac_acc__Specification3_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret33;havoc __utac_acc__Specification3_spec__1_#t~ret33; {79#false} is VALID [2020-07-28 19:01:18,491 INFO L280 TraceCheckUtils]: 16: Hoare triple {79#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {79#false} is VALID [2020-07-28 19:01:18,491 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 19:01:18,495 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 19:01:18,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336724774] [2020-07-28 19:01:18,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:18,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:18,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138852412] [2020-07-28 19:01:18,506 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:18,508 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:18,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:18,554 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:18,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:18,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:18,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:18,567 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 19:01:18,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,808 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:01:18,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:18,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:18,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:18,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:01:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:01:18,827 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 19:01:19,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,145 INFO L225 Difference]: With dead ends: 144 [2020-07-28 19:01:19,146 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:01:19,150 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 19:01:19,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:01:19,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 19:01:19,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:19,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:19,213 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:19,214 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:19,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,221 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:19,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,223 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,223 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:19,223 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:01:19,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,229 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:19,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,231 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:19,231 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 19:01:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 19:01:19,237 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2020-07-28 19:01:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:19,238 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 19:01:19,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:01:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:19,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:19,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:19,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:19,241 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:19,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:19,241 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2020-07-28 19:01:19,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:19,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692797975] [2020-07-28 19:01:19,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:19,374 INFO L280 TraceCheckUtils]: 0: Hoare triple {533#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {533#true} is VALID [2020-07-28 19:01:19,374 INFO L280 TraceCheckUtils]: 1: Hoare triple {533#true} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {533#true} is VALID [2020-07-28 19:01:19,375 INFO L280 TraceCheckUtils]: 2: Hoare triple {533#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {533#true} is VALID [2020-07-28 19:01:19,375 INFO L280 TraceCheckUtils]: 3: Hoare triple {533#true} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {533#true} is VALID [2020-07-28 19:01:19,375 INFO L280 TraceCheckUtils]: 4: Hoare triple {533#true} assume 0 != main_~tmp~0; {533#true} is VALID [2020-07-28 19:01:19,378 INFO L280 TraceCheckUtils]: 5: Hoare triple {533#true} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:19,379 INFO L280 TraceCheckUtils]: 6: Hoare triple {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:19,380 INFO L280 TraceCheckUtils]: 7: Hoare triple {535#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {534#false} is VALID [2020-07-28 19:01:19,381 INFO L280 TraceCheckUtils]: 8: Hoare triple {534#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {534#false} is VALID [2020-07-28 19:01:19,381 INFO L280 TraceCheckUtils]: 9: Hoare triple {534#false} assume !(0 != ~pumpRunning~0); {534#false} is VALID [2020-07-28 19:01:19,382 INFO L280 TraceCheckUtils]: 10: Hoare triple {534#false} assume !(0 != ~systemActive~0); {534#false} is VALID [2020-07-28 19:01:19,382 INFO L280 TraceCheckUtils]: 11: Hoare triple {534#false} havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; {534#false} is VALID [2020-07-28 19:01:19,382 INFO L280 TraceCheckUtils]: 12: Hoare triple {534#false} __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret31 && __utac_acc__Specification3_spec__1_#t~ret31 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; {534#false} is VALID [2020-07-28 19:01:19,383 INFO L280 TraceCheckUtils]: 13: Hoare triple {534#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {534#false} is VALID [2020-07-28 19:01:19,383 INFO L280 TraceCheckUtils]: 14: Hoare triple {534#false} __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret32 && __utac_acc__Specification3_spec__1_#t~ret32 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; {534#false} is VALID [2020-07-28 19:01:19,383 INFO L280 TraceCheckUtils]: 15: Hoare triple {534#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {534#false} is VALID [2020-07-28 19:01:19,384 INFO L280 TraceCheckUtils]: 16: Hoare triple {534#false} __utac_acc__Specification3_spec__1_#t~ret33 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret33 && __utac_acc__Specification3_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret33;havoc __utac_acc__Specification3_spec__1_#t~ret33; {534#false} is VALID [2020-07-28 19:01:19,384 INFO L280 TraceCheckUtils]: 17: Hoare triple {534#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {534#false} is VALID [2020-07-28 19:01:19,384 INFO L280 TraceCheckUtils]: 18: Hoare triple {534#false} assume !false; {534#false} is VALID [2020-07-28 19:01:19,388 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 19:01:19,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692797975] [2020-07-28 19:01:19,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:19,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:19,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436038834] [2020-07-28 19:01:19,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:19,394 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:19,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:19,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:19,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:19,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:19,429 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 19:01:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,643 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:01:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:19,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:19,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:19,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:01:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:01:19,649 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:01:19,784 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,786 INFO L225 Difference]: With dead ends: 71 [2020-07-28 19:01:19,786 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:01:19,787 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 19:01:19,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:01:19,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:01:19,803 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:19,803 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:19,803 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:19,804 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:19,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,806 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:01:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:19,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,807 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:19,807 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:19,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,810 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:01:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:19,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,811 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,811 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:19,811 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:01:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:01:19,813 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-07-28 19:01:19,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:19,814 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:01:19,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:01:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:19,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:19,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:19,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:19,816 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:19,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:19,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2020-07-28 19:01:19,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:19,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520673826] [2020-07-28 19:01:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:19,987 INFO L280 TraceCheckUtils]: 0: Hoare triple {752#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:19,988 INFO L280 TraceCheckUtils]: 1: Hoare triple {754#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {754#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:19,989 INFO L280 TraceCheckUtils]: 2: Hoare triple {754#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {755#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:01:19,990 INFO L280 TraceCheckUtils]: 3: Hoare triple {755#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {756#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-28 19:01:19,991 INFO L280 TraceCheckUtils]: 4: Hoare triple {756#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {757#(not (= 0 ~systemActive~0))} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,993 INFO L280 TraceCheckUtils]: 6: Hoare triple {757#(not (= 0 ~systemActive~0))} assume !false; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,994 INFO L280 TraceCheckUtils]: 7: Hoare triple {757#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,995 INFO L280 TraceCheckUtils]: 8: Hoare triple {757#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,995 INFO L280 TraceCheckUtils]: 9: Hoare triple {757#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4); {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,996 INFO L280 TraceCheckUtils]: 10: Hoare triple {757#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,997 INFO L280 TraceCheckUtils]: 11: Hoare triple {757#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,998 INFO L280 TraceCheckUtils]: 12: Hoare triple {757#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,999 INFO L280 TraceCheckUtils]: 13: Hoare triple {757#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:19,999 INFO L280 TraceCheckUtils]: 14: Hoare triple {757#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {757#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:01:20,000 INFO L280 TraceCheckUtils]: 15: Hoare triple {757#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {753#false} is VALID [2020-07-28 19:01:20,001 INFO L280 TraceCheckUtils]: 16: Hoare triple {753#false} havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; {753#false} is VALID [2020-07-28 19:01:20,001 INFO L280 TraceCheckUtils]: 17: Hoare triple {753#false} __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret31 && __utac_acc__Specification3_spec__1_#t~ret31 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; {753#false} is VALID [2020-07-28 19:01:20,002 INFO L280 TraceCheckUtils]: 18: Hoare triple {753#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {753#false} is VALID [2020-07-28 19:01:20,002 INFO L280 TraceCheckUtils]: 19: Hoare triple {753#false} __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret32 && __utac_acc__Specification3_spec__1_#t~ret32 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; {753#false} is VALID [2020-07-28 19:01:20,002 INFO L280 TraceCheckUtils]: 20: Hoare triple {753#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {753#false} is VALID [2020-07-28 19:01:20,003 INFO L280 TraceCheckUtils]: 21: Hoare triple {753#false} __utac_acc__Specification3_spec__1_#t~ret33 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret33 && __utac_acc__Specification3_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret33;havoc __utac_acc__Specification3_spec__1_#t~ret33; {753#false} is VALID [2020-07-28 19:01:20,003 INFO L280 TraceCheckUtils]: 22: Hoare triple {753#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {753#false} is VALID [2020-07-28 19:01:20,003 INFO L280 TraceCheckUtils]: 23: Hoare triple {753#false} assume !false; {753#false} is VALID [2020-07-28 19:01:20,005 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 19:01:20,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520673826] [2020-07-28 19:01:20,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:20,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:20,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558624982] [2020-07-28 19:01:20,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:20,007 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:20,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:01:20,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:20,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:01:20,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:20,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:01:20,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:01:20,044 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-07-28 19:01:20,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,508 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 19:01:20,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:01:20,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 19:01:20,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:01:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:01:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2020-07-28 19:01:20,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2020-07-28 19:01:20,616 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:20,617 INFO L225 Difference]: With dead ends: 60 [2020-07-28 19:01:20,617 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:01:20,618 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 19:01:20,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:01:20,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:01:20,647 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:20,648 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:20,648 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:20,648 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:20,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,650 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:01:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:20,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:20,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:20,651 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:20,651 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:01:20,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,653 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:01:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:20,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:20,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:20,654 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:20,655 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:01:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 19:01:20,657 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-07-28 19:01:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:20,657 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 19:01:20,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:01:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:01:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:20,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:20,659 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 19:01:20,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:20,659 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:20,660 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2020-07-28 19:01:20,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:20,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483314312] [2020-07-28 19:01:20,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:20,787 INFO L280 TraceCheckUtils]: 0: Hoare triple {959#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,788 INFO L280 TraceCheckUtils]: 1: Hoare triple {961#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,790 INFO L280 TraceCheckUtils]: 2: Hoare triple {961#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,790 INFO L280 TraceCheckUtils]: 3: Hoare triple {961#(= 1 ~waterLevel~0)} main_#t~ret11 := valid_product_#res;assume -2147483648 <= main_#t~ret11 && main_#t~ret11 <= 2147483647;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,791 INFO L280 TraceCheckUtils]: 4: Hoare triple {961#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,792 INFO L280 TraceCheckUtils]: 5: Hoare triple {961#(= 1 ~waterLevel~0)} havoc test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,793 INFO L280 TraceCheckUtils]: 6: Hoare triple {961#(= 1 ~waterLevel~0)} assume !false; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,793 INFO L280 TraceCheckUtils]: 7: Hoare triple {961#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,794 INFO L280 TraceCheckUtils]: 8: Hoare triple {961#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet34 && test_#t~nondet34 <= 2147483647;test_~tmp~4 := test_#t~nondet34;havoc test_#t~nondet34; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,795 INFO L280 TraceCheckUtils]: 9: Hoare triple {961#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,796 INFO L280 TraceCheckUtils]: 10: Hoare triple {961#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet35 && test_#t~nondet35 <= 2147483647;test_~tmp___0~1 := test_#t~nondet35;havoc test_#t~nondet35; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,796 INFO L280 TraceCheckUtils]: 11: Hoare triple {961#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,797 INFO L280 TraceCheckUtils]: 12: Hoare triple {961#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet36 && test_#t~nondet36 <= 2147483647;test_~tmp___2~0 := test_#t~nondet36;havoc test_#t~nondet36; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,798 INFO L280 TraceCheckUtils]: 13: Hoare triple {961#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,799 INFO L280 TraceCheckUtils]: 14: Hoare triple {961#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,799 INFO L280 TraceCheckUtils]: 15: Hoare triple {961#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,800 INFO L280 TraceCheckUtils]: 16: Hoare triple {961#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,801 INFO L280 TraceCheckUtils]: 17: Hoare triple {961#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_#t~ret32, __utac_acc__Specification3_spec__1_#t~ret33, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;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; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,801 INFO L280 TraceCheckUtils]: 18: Hoare triple {961#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret31 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret31 && __utac_acc__Specification3_spec__1_#t~ret31 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret31;havoc __utac_acc__Specification3_spec__1_#t~ret31; {961#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,802 INFO L280 TraceCheckUtils]: 19: Hoare triple {961#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {962#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:20,803 INFO L280 TraceCheckUtils]: 20: Hoare triple {962#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret32 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret32 && __utac_acc__Specification3_spec__1_#t~ret32 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret32;havoc __utac_acc__Specification3_spec__1_#t~ret32; {963#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:01:20,804 INFO L280 TraceCheckUtils]: 21: Hoare triple {963#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {960#false} is VALID [2020-07-28 19:01:20,805 INFO L280 TraceCheckUtils]: 22: Hoare triple {960#false} __utac_acc__Specification3_spec__1_#t~ret33 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret33 && __utac_acc__Specification3_spec__1_#t~ret33 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret33;havoc __utac_acc__Specification3_spec__1_#t~ret33; {960#false} is VALID [2020-07-28 19:01:20,805 INFO L280 TraceCheckUtils]: 23: Hoare triple {960#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {960#false} is VALID [2020-07-28 19:01:20,805 INFO L280 TraceCheckUtils]: 24: Hoare triple {960#false} assume !false; {960#false} is VALID [2020-07-28 19:01:20,807 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 19:01:20,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483314312] [2020-07-28 19:01:20,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:20,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:20,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743277110] [2020-07-28 19:01:20,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:20,809 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:20,809 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:20,847 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 19:01:20,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:20,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:20,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:20,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:20,848 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-07-28 19:01:21,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:21,522 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2020-07-28 19:01:21,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:21,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:01:21,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 234 transitions. [2020-07-28 19:01:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 234 transitions. [2020-07-28 19:01:21,532 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 234 transitions. [2020-07-28 19:01:21,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:21,840 INFO L225 Difference]: With dead ends: 158 [2020-07-28 19:01:21,840 INFO L226 Difference]: Without dead ends: 131 [2020-07-28 19:01:21,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:21,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-28 19:01:21,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2020-07-28 19:01:21,912 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:21,912 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:21,912 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:21,912 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 56 states. [2020-07-28 19:01:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:21,919 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2020-07-28 19:01:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2020-07-28 19:01:21,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:21,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:21,921 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 131 states. [2020-07-28 19:01:21,921 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 131 states. [2020-07-28 19:01:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:21,929 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2020-07-28 19:01:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2020-07-28 19:01:21,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:21,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:21,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:21,931 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 19:01:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-07-28 19:01:21,933 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2020-07-28 19:01:21,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:21,934 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-07-28 19:01:21,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-07-28 19:01:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:21,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:21,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:21,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:21,936 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:21,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:21,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2020-07-28 19:01:21,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:21,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217418713] [2020-07-28 19:01:21,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:21,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:22,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:22,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:22,084 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:22,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:22,188 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:22,188 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:22,188 WARN L170 areAnnotationChecker]: L151 has no Hoare annotation [2020-07-28 19:01:22,188 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:01:22,188 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:01:22,188 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L258-1 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L441-1 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L441-1 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L441-1 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L267 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L516 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 19:01:22,189 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L283-1 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L283-1 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L283-2 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L283-2 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 19:01:22,190 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L315-1 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L315-1 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L290-1 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L480-1 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 19:01:22,191 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L376-1 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L435-2 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L435-2 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L490-1 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L319-1 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L319-1 has no Hoare annotation [2020-07-28 19:01:22,192 WARN L170 areAnnotationChecker]: L441-3 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L185-2 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L185-2 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L185-2 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L441-2 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L441-2 has no Hoare annotation [2020-07-28 19:01:22,193 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L385-1 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L283 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L283 has no Hoare annotation [2020-07-28 19:01:22,194 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L445-2 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L445-2 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L315 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L315 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L290 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-28 19:01:22,195 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L283-3 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L283-3 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L376 has no Hoare annotation [2020-07-28 19:01:22,196 WARN L170 areAnnotationChecker]: L435 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L435 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L315-2 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L315-2 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L290-2 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L319 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L319 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L89-4 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L89-5 has no Hoare annotation [2020-07-28 19:01:22,197 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L376-2 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L435-4 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L435-4 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L319-2 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L319-2 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L441-5 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L121-2 has no Hoare annotation [2020-07-28 19:01:22,198 WARN L170 areAnnotationChecker]: L445 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L445 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L441-4 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L441-4 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L385-2 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L445-4 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L445-4 has no Hoare annotation [2020-07-28 19:01:22,199 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2020-07-28 19:01:22,200 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2020-07-28 19:01:22,200 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 19:01:22,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:22 BoogieIcfgContainer [2020-07-28 19:01:22,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:22,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:22,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:22,203 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:22,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:18" (3/4) ... [2020-07-28 19:01:22,206 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:22,333 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:22,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:22,337 INFO L168 Benchmark]: Toolchain (without parser) took 6680.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 950.8 MB in the beginning and 870.1 MB in the end (delta: 80.8 MB). Peak memory consumption was 294.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,337 INFO L168 Benchmark]: CDTParser took 0.79 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 19:01:22,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.22 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 19:01:22,339 INFO L168 Benchmark]: Boogie Preprocessor took 55.38 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 19:01:22,339 INFO L168 Benchmark]: RCFGBuilder took 1482.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 143.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,340 INFO L168 Benchmark]: TraceAbstraction took 4139.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 974.2 MB in the beginning and 893.3 MB in the end (delta: 81.0 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,341 INFO L168 Benchmark]: Witness Printer took 130.77 ms. Allocated memory is still 1.2 GB. Free memory was 893.3 MB in the beginning and 870.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,344 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 0.79 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 763.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.22 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 55.38 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 1482.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 974.2 MB in the end (delta: 143.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4139.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 974.2 MB in the beginning and 893.3 MB in the end (delta: 81.0 MB). Peak memory consumption was 151.2 MB. Max. memory is 11.5 GB. * Witness Printer took 130.77 ms. Allocated memory is still 1.2 GB. Free memory was 893.3 MB in the beginning and 870.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) [L312] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] tmp___1 = isPumpRunning() [L445] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 336 SDslu, 175 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...