./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product30.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_product30.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 cd03795a63c29b127effb5dc5ece6588a3bdb5e0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:01:31,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:31,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:31,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:31,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:31,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:31,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:31,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:31,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:31,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:31,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:31,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:31,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:31,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:31,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:31,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:31,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:31,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:31,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:31,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:31,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:31,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:31,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:31,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:31,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:31,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:31,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:31,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:31,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:31,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:31,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:31,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:31,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:31,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:31,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:31,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:31,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:31,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:31,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:31,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:31,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:31,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:31,679 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:31,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:31,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:31,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:31,683 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:31,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:31,684 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:31,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:31,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:31,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:31,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:31,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:31,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:31,688 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:31,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:31,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:31,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:31,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:31,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:31,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:31,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:31,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:31,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:31,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:31,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:31,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:31,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:31,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:31,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:31,692 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 -> cd03795a63c29b127effb5dc5ece6588a3bdb5e0 [2020-07-28 19:01:31,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:32,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:32,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:32,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:32,017 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:32,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2020-07-28 19:01:32,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf4234f6/0d19b702c8104b299c630853b8871469/FLAG14772c448 [2020-07-28 19:01:32,628 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:32,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product30.cil.c [2020-07-28 19:01:32,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf4234f6/0d19b702c8104b299c630853b8871469/FLAG14772c448 [2020-07-28 19:01:32,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf4234f6/0d19b702c8104b299c630853b8871469 [2020-07-28 19:01:32,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:32,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:32,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:32,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:32,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:32,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbc83fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:32, skipping insertion in model container [2020-07-28 19:01:32,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:32" (1/1) ... [2020-07-28 19:01:32,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:33,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:33,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:33,512 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:33,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:33,661 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:33,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33 WrapperNode [2020-07-28 19:01:33,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:33,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:33,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:33,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:33,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:33,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:33,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:33,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:33,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (1/1) ... [2020-07-28 19:01:33,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:33,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:33,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:33,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:33,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (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 19:01:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:35,580 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:35,581 INFO L295 CfgBuilder]: Removed 164 assume(true) statements. [2020-07-28 19:01:35,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:35 BoogieIcfgContainer [2020-07-28 19:01:35,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:35,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:35,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:35,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:35,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:32" (1/3) ... [2020-07-28 19:01:35,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1483b58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:35, skipping insertion in model container [2020-07-28 19:01:35,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:33" (2/3) ... [2020-07-28 19:01:35,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1483b58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:35, skipping insertion in model container [2020-07-28 19:01:35,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:35" (3/3) ... [2020-07-28 19:01:35,598 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product30.cil.c [2020-07-28 19:01:35,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:35,620 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:35,637 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:35,666 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:35,667 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:35,667 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:35,667 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:35,668 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:35,668 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:35,668 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:35,669 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2020-07-28 19:01:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:35,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:35,701 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 19:01:35,702 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:35,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:35,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692801, now seen corresponding path program 1 times [2020-07-28 19:01:35,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:35,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46756115] [2020-07-28 19:01:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:36,146 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {114#true} is VALID [2020-07-28 19:01:36,147 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {114#true} is VALID [2020-07-28 19:01:36,148 INFO L280 TraceCheckUtils]: 2: Hoare triple {114#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {114#true} is VALID [2020-07-28 19:01:36,148 INFO L280 TraceCheckUtils]: 3: Hoare triple {114#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {114#true} is VALID [2020-07-28 19:01:36,149 INFO L280 TraceCheckUtils]: 4: Hoare triple {114#true} assume 0 != main_~tmp~0; {114#true} is VALID [2020-07-28 19:01:36,150 INFO L280 TraceCheckUtils]: 5: Hoare triple {114#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {114#true} is VALID [2020-07-28 19:01:36,151 INFO L280 TraceCheckUtils]: 6: Hoare triple {114#true} assume !true; {115#false} is VALID [2020-07-28 19:01:36,152 INFO L280 TraceCheckUtils]: 7: Hoare triple {115#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {115#false} is VALID [2020-07-28 19:01:36,152 INFO L280 TraceCheckUtils]: 8: Hoare triple {115#false} assume !(0 != ~pumpRunning~0); {115#false} is VALID [2020-07-28 19:01:36,153 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#false} assume !(0 != ~systemActive~0); {115#false} is VALID [2020-07-28 19:01:36,153 INFO L280 TraceCheckUtils]: 10: Hoare triple {115#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {115#false} is VALID [2020-07-28 19:01:36,153 INFO L280 TraceCheckUtils]: 11: Hoare triple {115#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {115#false} is VALID [2020-07-28 19:01:36,154 INFO L280 TraceCheckUtils]: 12: Hoare triple {115#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);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; {115#false} is VALID [2020-07-28 19:01:36,154 INFO L280 TraceCheckUtils]: 13: Hoare triple {115#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {115#false} is VALID [2020-07-28 19:01:36,155 INFO L280 TraceCheckUtils]: 14: Hoare triple {115#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {115#false} is VALID [2020-07-28 19:01:36,155 INFO L280 TraceCheckUtils]: 15: Hoare triple {115#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {115#false} is VALID [2020-07-28 19:01:36,156 INFO L280 TraceCheckUtils]: 16: Hoare triple {115#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {115#false} is VALID [2020-07-28 19:01:36,156 INFO L280 TraceCheckUtils]: 17: Hoare triple {115#false} assume !false; {115#false} is VALID [2020-07-28 19:01:36,160 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 19:01:36,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46756115] [2020-07-28 19:01:36,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:36,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:36,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574547638] [2020-07-28 19:01:36,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:36,172 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:36,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:36,222 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 19:01:36,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:36,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:36,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:36,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:36,237 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2020-07-28 19:01:36,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:36,530 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2020-07-28 19:01:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:36,531 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:36,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 323 transitions. [2020-07-28 19:01:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 323 transitions. [2020-07-28 19:01:36,555 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 323 transitions. [2020-07-28 19:01:36,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 323 edges. 323 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:36,980 INFO L225 Difference]: With dead ends: 216 [2020-07-28 19:01:36,981 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 19:01:36,985 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 19:01:37,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 19:01:37,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-28 19:01:37,061 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:37,062 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:37,062 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:37,063 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,071 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-07-28 19:01:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-07-28 19:01:37,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,073 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:37,073 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-28 19:01:37,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,103 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-07-28 19:01:37,104 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-07-28 19:01:37,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,105 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,105 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:37,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-28 19:01:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2020-07-28 19:01:37,113 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2020-07-28 19:01:37,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:37,114 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2020-07-28 19:01:37,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2020-07-28 19:01:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:37,115 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:37,116 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 19:01:37,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:37,116 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:37,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:37,118 INFO L82 PathProgramCache]: Analyzing trace with hash 573769835, now seen corresponding path program 1 times [2020-07-28 19:01:37,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:37,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147137891] [2020-07-28 19:01:37,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:37,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {788#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {788#true} is VALID [2020-07-28 19:01:37,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {788#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {788#true} is VALID [2020-07-28 19:01:37,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {788#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {788#true} is VALID [2020-07-28 19:01:37,257 INFO L280 TraceCheckUtils]: 3: Hoare triple {788#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {788#true} is VALID [2020-07-28 19:01:37,257 INFO L280 TraceCheckUtils]: 4: Hoare triple {788#true} assume 0 != main_~tmp~0; {788#true} is VALID [2020-07-28 19:01:37,258 INFO L280 TraceCheckUtils]: 5: Hoare triple {788#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {790#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:37,259 INFO L280 TraceCheckUtils]: 6: Hoare triple {790#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {790#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:37,261 INFO L280 TraceCheckUtils]: 7: Hoare triple {790#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {789#false} is VALID [2020-07-28 19:01:37,261 INFO L280 TraceCheckUtils]: 8: Hoare triple {789#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {789#false} is VALID [2020-07-28 19:01:37,262 INFO L280 TraceCheckUtils]: 9: Hoare triple {789#false} assume !(0 != ~pumpRunning~0); {789#false} is VALID [2020-07-28 19:01:37,262 INFO L280 TraceCheckUtils]: 10: Hoare triple {789#false} assume !(0 != ~systemActive~0); {789#false} is VALID [2020-07-28 19:01:37,263 INFO L280 TraceCheckUtils]: 11: Hoare triple {789#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {789#false} is VALID [2020-07-28 19:01:37,263 INFO L280 TraceCheckUtils]: 12: Hoare triple {789#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {789#false} is VALID [2020-07-28 19:01:37,264 INFO L280 TraceCheckUtils]: 13: Hoare triple {789#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);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; {789#false} is VALID [2020-07-28 19:01:37,264 INFO L280 TraceCheckUtils]: 14: Hoare triple {789#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {789#false} is VALID [2020-07-28 19:01:37,264 INFO L280 TraceCheckUtils]: 15: Hoare triple {789#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {789#false} is VALID [2020-07-28 19:01:37,264 INFO L280 TraceCheckUtils]: 16: Hoare triple {789#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {789#false} is VALID [2020-07-28 19:01:37,265 INFO L280 TraceCheckUtils]: 17: Hoare triple {789#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {789#false} is VALID [2020-07-28 19:01:37,265 INFO L280 TraceCheckUtils]: 18: Hoare triple {789#false} assume !false; {789#false} is VALID [2020-07-28 19:01:37,266 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 19:01:37,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147137891] [2020-07-28 19:01:37,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:37,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:37,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462281062] [2020-07-28 19:01:37,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:37,269 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:37,269 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:37,304 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 19:01:37,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:37,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:37,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:37,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:37,306 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2020-07-28 19:01:37,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,600 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2020-07-28 19:01:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:37,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:37,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-28 19:01:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-28 19:01:37,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 153 transitions. [2020-07-28 19:01:37,821 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:37,824 INFO L225 Difference]: With dead ends: 107 [2020-07-28 19:01:37,824 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 19:01:37,826 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 19:01:37,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 19:01:37,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 19:01:37,849 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:37,850 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,850 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,850 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,852 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 19:01:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:01:37,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,853 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,853 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:37,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:37,856 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2020-07-28 19:01:37,856 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:01:37,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:37,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:37,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:37,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:37,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 19:01:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-07-28 19:01:37,859 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2020-07-28 19:01:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:37,860 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-07-28 19:01:37,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-07-28 19:01:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:37,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:37,861 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 19:01:37,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:37,862 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:37,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:37,862 INFO L82 PathProgramCache]: Analyzing trace with hash 197323452, now seen corresponding path program 1 times [2020-07-28 19:01:37,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:37,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567984821] [2020-07-28 19:01:37,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:37,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {1097#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1097#true} is VALID [2020-07-28 19:01:37,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {1097#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {1097#true} is VALID [2020-07-28 19:01:37,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {1097#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1097#true} is VALID [2020-07-28 19:01:37,961 INFO L280 TraceCheckUtils]: 3: Hoare triple {1097#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1097#true} is VALID [2020-07-28 19:01:37,961 INFO L280 TraceCheckUtils]: 4: Hoare triple {1097#true} assume 0 != main_~tmp~0; {1097#true} is VALID [2020-07-28 19:01:37,961 INFO L280 TraceCheckUtils]: 5: Hoare triple {1097#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1097#true} is VALID [2020-07-28 19:01:37,962 INFO L280 TraceCheckUtils]: 6: Hoare triple {1097#true} assume !false; {1097#true} is VALID [2020-07-28 19:01:37,962 INFO L280 TraceCheckUtils]: 7: Hoare triple {1097#true} assume test_~splverifierCounter~0 < 4; {1097#true} is VALID [2020-07-28 19:01:37,962 INFO L280 TraceCheckUtils]: 8: Hoare triple {1097#true} assume -2147483648 <= test_#t~nondet46 && test_#t~nondet46 <= 2147483647;test_~tmp~4 := test_#t~nondet46;havoc test_#t~nondet46; {1097#true} is VALID [2020-07-28 19:01:37,962 INFO L280 TraceCheckUtils]: 9: Hoare triple {1097#true} assume !(0 != test_~tmp~4); {1097#true} is VALID [2020-07-28 19:01:37,963 INFO L280 TraceCheckUtils]: 10: Hoare triple {1097#true} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; {1097#true} is VALID [2020-07-28 19:01:37,963 INFO L280 TraceCheckUtils]: 11: Hoare triple {1097#true} assume !(0 != test_~tmp___0~0); {1097#true} is VALID [2020-07-28 19:01:37,963 INFO L280 TraceCheckUtils]: 12: Hoare triple {1097#true} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; {1097#true} is VALID [2020-07-28 19:01:37,964 INFO L280 TraceCheckUtils]: 13: Hoare triple {1097#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1099#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,965 INFO L280 TraceCheckUtils]: 14: Hoare triple {1099#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1099#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:37,966 INFO L280 TraceCheckUtils]: 15: Hoare triple {1099#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1098#false} is VALID [2020-07-28 19:01:37,966 INFO L280 TraceCheckUtils]: 16: Hoare triple {1098#false} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {1098#false} is VALID [2020-07-28 19:01:37,966 INFO L280 TraceCheckUtils]: 17: Hoare triple {1098#false} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {1098#false} is VALID [2020-07-28 19:01:37,967 INFO L280 TraceCheckUtils]: 18: Hoare triple {1098#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);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; {1098#false} is VALID [2020-07-28 19:01:37,967 INFO L280 TraceCheckUtils]: 19: Hoare triple {1098#false} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {1098#false} is VALID [2020-07-28 19:01:37,967 INFO L280 TraceCheckUtils]: 20: Hoare triple {1098#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1098#false} is VALID [2020-07-28 19:01:37,968 INFO L280 TraceCheckUtils]: 21: Hoare triple {1098#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {1098#false} is VALID [2020-07-28 19:01:37,968 INFO L280 TraceCheckUtils]: 22: Hoare triple {1098#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1098#false} is VALID [2020-07-28 19:01:37,968 INFO L280 TraceCheckUtils]: 23: Hoare triple {1098#false} assume !false; {1098#false} is VALID [2020-07-28 19:01:37,969 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 19:01:37,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567984821] [2020-07-28 19:01:37,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:37,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:37,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892977209] [2020-07-28 19:01:37,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:37,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:37,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:38,002 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 19:01:38,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:38,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:38,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:38,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:38,003 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2020-07-28 19:01:38,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:38,207 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2020-07-28 19:01:38,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:38,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:38,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2020-07-28 19:01:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2020-07-28 19:01:38,218 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 122 transitions. [2020-07-28 19:01:38,357 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:38,358 INFO L225 Difference]: With dead ends: 84 [2020-07-28 19:01:38,359 INFO L226 Difference]: Without dead ends: 45 [2020-07-28 19:01:38,360 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 19:01:38,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-07-28 19:01:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-07-28 19:01:38,395 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:38,395 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:38,395 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:38,396 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:38,398 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2020-07-28 19:01:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-07-28 19:01:38,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:38,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:38,399 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:38,399 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 45 states. [2020-07-28 19:01:38,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:38,401 INFO L93 Difference]: Finished difference Result 45 states and 63 transitions. [2020-07-28 19:01:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-07-28 19:01:38,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:38,402 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:38,402 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:38,403 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-07-28 19:01:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2020-07-28 19:01:38,405 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2020-07-28 19:01:38,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:38,405 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2020-07-28 19:01:38,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2020-07-28 19:01:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:01:38,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:38,406 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 19:01:38,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:38,407 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:38,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:38,407 INFO L82 PathProgramCache]: Analyzing trace with hash -303470070, now seen corresponding path program 1 times [2020-07-28 19:01:38,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:38,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339894499] [2020-07-28 19:01:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:38,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {1372#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~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,540 INFO L280 TraceCheckUtils]: 1: Hoare triple {1374#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,541 INFO L280 TraceCheckUtils]: 2: Hoare triple {1374#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,542 INFO L280 TraceCheckUtils]: 3: Hoare triple {1374#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,543 INFO L280 TraceCheckUtils]: 4: Hoare triple {1374#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,544 INFO L280 TraceCheckUtils]: 5: Hoare triple {1374#(= 1 ~waterLevel~0)} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,544 INFO L280 TraceCheckUtils]: 6: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !false; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,545 INFO L280 TraceCheckUtils]: 7: Hoare triple {1374#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,546 INFO L280 TraceCheckUtils]: 8: Hoare triple {1374#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet46 && test_#t~nondet46 <= 2147483647;test_~tmp~4 := test_#t~nondet46;havoc test_#t~nondet46; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,547 INFO L280 TraceCheckUtils]: 9: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,547 INFO L280 TraceCheckUtils]: 10: Hoare triple {1374#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,548 INFO L280 TraceCheckUtils]: 11: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,549 INFO L280 TraceCheckUtils]: 12: Hoare triple {1374#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,550 INFO L280 TraceCheckUtils]: 13: Hoare triple {1374#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,551 INFO L280 TraceCheckUtils]: 14: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,551 INFO L280 TraceCheckUtils]: 15: Hoare triple {1374#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,552 INFO L280 TraceCheckUtils]: 16: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,553 INFO L280 TraceCheckUtils]: 17: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,554 INFO L280 TraceCheckUtils]: 18: Hoare triple {1374#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_#t~ret74, __utac_acc__Specification3_spec__1_~tmp~9, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~9;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,555 INFO L280 TraceCheckUtils]: 19: Hoare triple {1374#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret72 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~9 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {1374#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:38,556 INFO L280 TraceCheckUtils]: 20: Hoare triple {1374#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~9);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; {1375#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:38,557 INFO L280 TraceCheckUtils]: 21: Hoare triple {1375#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret73 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret73 && __utac_acc__Specification3_spec__1_#t~ret73 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret73;havoc __utac_acc__Specification3_spec__1_#t~ret73; {1376#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2)} is VALID [2020-07-28 19:01:38,557 INFO L280 TraceCheckUtils]: 22: Hoare triple {1376#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1373#false} is VALID [2020-07-28 19:01:38,558 INFO L280 TraceCheckUtils]: 23: Hoare triple {1373#false} __utac_acc__Specification3_spec__1_#t~ret74 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret74 && __utac_acc__Specification3_spec__1_#t~ret74 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret74;havoc __utac_acc__Specification3_spec__1_#t~ret74; {1373#false} is VALID [2020-07-28 19:01:38,558 INFO L280 TraceCheckUtils]: 24: Hoare triple {1373#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1373#false} is VALID [2020-07-28 19:01:38,558 INFO L280 TraceCheckUtils]: 25: Hoare triple {1373#false} assume !false; {1373#false} is VALID [2020-07-28 19:01:38,560 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 19:01:38,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339894499] [2020-07-28 19:01:38,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:38,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:38,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117572784] [2020-07-28 19:01:38,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 19:01:38,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:38,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:38,598 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:38,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:38,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:38,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:38,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:38,600 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2020-07-28 19:01:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:39,422 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2020-07-28 19:01:39,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:39,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 19:01:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 360 transitions. [2020-07-28 19:01:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 360 transitions. [2020-07-28 19:01:39,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 360 transitions. [2020-07-28 19:01:39,881 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:39,888 INFO L225 Difference]: With dead ends: 242 [2020-07-28 19:01:39,888 INFO L226 Difference]: Without dead ends: 203 [2020-07-28 19:01:39,889 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 19:01:39,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-28 19:01:39,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2020-07-28 19:01:39,992 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:39,993 INFO L82 GeneralOperation]: Start isEquivalent. First operand 203 states. Second operand 80 states. [2020-07-28 19:01:39,993 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand 80 states. [2020-07-28 19:01:39,993 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 80 states. [2020-07-28 19:01:40,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:40,002 INFO L93 Difference]: Finished difference Result 203 states and 296 transitions. [2020-07-28 19:01:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2020-07-28 19:01:40,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:40,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:40,004 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 203 states. [2020-07-28 19:01:40,005 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 203 states. [2020-07-28 19:01:40,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:40,018 INFO L93 Difference]: Finished difference Result 203 states and 296 transitions. [2020-07-28 19:01:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2020-07-28 19:01:40,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:40,019 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:40,019 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:40,020 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 19:01:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2020-07-28 19:01:40,024 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2020-07-28 19:01:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:40,024 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2020-07-28 19:01:40,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2020-07-28 19:01:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:40,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:40,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:40,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:40,026 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:40,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:40,027 INFO L82 PathProgramCache]: Analyzing trace with hash -912506616, now seen corresponding path program 1 times [2020-07-28 19:01:40,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:40,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470245893] [2020-07-28 19:01:40,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:40,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:40,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:40,270 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:40,271 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:40,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:40,434 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:40,434 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:40,434 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-28 19:01:40,435 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-28 19:01:40,435 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 19:01:40,435 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-28 19:01:40,435 WARN L170 areAnnotationChecker]: L197 has no Hoare annotation [2020-07-28 19:01:40,435 WARN L170 areAnnotationChecker]: L224-1 has no Hoare annotation [2020-07-28 19:01:40,439 WARN L170 areAnnotationChecker]: L938-1 has no Hoare annotation [2020-07-28 19:01:40,439 WARN L170 areAnnotationChecker]: L938-1 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L938-1 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L663 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L683-1 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L683-1 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 19:01:40,440 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L683-2 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L683-2 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L741-1 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L741-1 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L690-1 has no Hoare annotation [2020-07-28 19:01:40,441 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:40,445 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:40,445 WARN L170 areAnnotationChecker]: L625-1 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L715-3 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L715-3 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L802-1 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L131-3 has no Hoare annotation [2020-07-28 19:01:40,446 WARN L170 areAnnotationChecker]: L932-2 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L932-2 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L745-1 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L745-1 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L860-9 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L860-9 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L938-3 has no Hoare annotation [2020-07-28 19:01:40,447 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L715-2 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L715-2 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L860-11 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L148-2 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L938-2 has no Hoare annotation [2020-07-28 19:01:40,448 WARN L170 areAnnotationChecker]: L938-2 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L653-2 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L653-2 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L653 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L653 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L131-2 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L866-3 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L811-1 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:40,449 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L683 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L683 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L860-6 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L860-6 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L719-3 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L719-3 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L942-2 has no Hoare annotation [2020-07-28 19:01:40,450 WARN L170 areAnnotationChecker]: L942-2 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L860-8 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L152-1 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L152-1 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L883-1 has no Hoare annotation [2020-07-28 19:01:40,451 WARN L170 areAnnotationChecker]: L883-1 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L715-1 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L715-1 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L90-1 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L683-3 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L683-3 has no Hoare annotation [2020-07-28 19:01:40,452 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L131-1 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L932 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L932 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L719-2 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L719-2 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L741-2 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L741-2 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L690-2 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L745 has no Hoare annotation [2020-07-28 19:01:40,453 WARN L170 areAnnotationChecker]: L745 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L860-3 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L860-3 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L122 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L90-4 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L715-5 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L715-5 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L90-5 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L715 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L715 has no Hoare annotation [2020-07-28 19:01:40,454 WARN L170 areAnnotationChecker]: L860-5 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L802-2 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L131-5 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L932-4 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L932-4 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L866-1 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-28 19:01:40,455 WARN L170 areAnnotationChecker]: L745-2 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L745-2 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L860-15 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L860-15 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L938-5 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L719-1 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L719-1 has no Hoare annotation [2020-07-28 19:01:40,456 WARN L170 areAnnotationChecker]: L942 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L942 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L715-4 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L715-4 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L860-17 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L938-4 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L938-4 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L860-2 has no Hoare annotation [2020-07-28 19:01:40,457 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L883 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L131-4 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L866-5 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L811-2 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L860-12 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L860-12 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L719-5 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L719-5 has no Hoare annotation [2020-07-28 19:01:40,458 WARN L170 areAnnotationChecker]: L942-4 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L942-4 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L860-14 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L883-2 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L883-2 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L866-4 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L719-4 has no Hoare annotation [2020-07-28 19:01:40,459 WARN L170 areAnnotationChecker]: L719-4 has no Hoare annotation [2020-07-28 19:01:40,460 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 19:01:40,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:40 BoogieIcfgContainer [2020-07-28 19:01:40,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:40,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:40,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:40,464 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:40,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:35" (3/4) ... [2020-07-28 19:01:40,467 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:40,588 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:40,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:40,593 INFO L168 Benchmark]: Toolchain (without parser) took 7643.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 954.9 MB in the beginning and 1.3 GB in the end (delta: -315.6 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:40,594 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:40,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:40,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.02 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:40,603 INFO L168 Benchmark]: Boogie Preprocessor took 51.22 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 19:01:40,604 INFO L168 Benchmark]: RCFGBuilder took 1780.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.0 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:40,604 INFO L168 Benchmark]: TraceAbstraction took 4874.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 923.0 MB in the beginning and 1.3 GB in the end (delta: -366.5 MB). Peak memory consumption was 213.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:40,605 INFO L168 Benchmark]: Witness Printer took 124.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:40,613 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 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 712.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.02 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.22 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 1780.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.0 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4874.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 923.0 MB in the beginning and 1.3 GB in the end (delta: -366.5 MB). Peak memory consumption was 213.2 MB. Max. memory is 11.5 GB. * Witness Printer took 124.67 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 883]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L407] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L675] int pumpRunning = 0; [L676] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L215] int retValue_acc ; [L216] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L914] int retValue_acc ; [L917] retValue_acc = 1 [L918] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L222] tmp = valid_product() [L224] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND TRUE \read(tmp___2) [L874] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L683] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L690] COND TRUE \read(systemActive) [L738] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L741] COND FALSE !(\read(pumpRunning)) [L712] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L715] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] int tmp ; [L925] int tmp___0 ; [L926] int tmp___1 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] tmp = isMethaneLevelCritical() [L932] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L936] tmp___0 = getWaterLevel() [L938] COND TRUE tmp___0 == 2 [L807] int retValue_acc ; [L810] retValue_acc = pumpRunning [L811] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L940] tmp___1 = isPumpRunning() [L942] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L883] __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, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 412 SDslu, 253 SDs, 0 SdLazy, 50 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3031 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...