./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product14.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 ffb924ee3454938bf87e2a52362fa3f53467287e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:39,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:39,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:39,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:39,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:39,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:39,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:39,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:39,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:39,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:39,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:39,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:39,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:39,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:39,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:39,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:39,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:39,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:39,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:39,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:39,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:39,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:39,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:39,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:39,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:39,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:39,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:39,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:39,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:39,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:39,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:39,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:39,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:39,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:39,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:39,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:39,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:39,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:39,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:39,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:39,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:39,715 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:39,736 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:39,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:39,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:39,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:39,741 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:39,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:39,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:39,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:39,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:39,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:39,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:39,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:39,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:39,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:39,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:39,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:39,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:39,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:39,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:39,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:39,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:39,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:39,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:39,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:39,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:39,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:39,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:39,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:39,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:39,748 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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2020-07-28 18:57:40,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:40,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:40,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:40,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:40,105 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:40,106 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2020-07-28 18:57:40,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4542d8a9b/9e1f374199d048de9a2514dea4ba4788/FLAGa67d7dc76 [2020-07-28 18:57:40,723 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:40,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2020-07-28 18:57:40,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4542d8a9b/9e1f374199d048de9a2514dea4ba4788/FLAGa67d7dc76 [2020-07-28 18:57:41,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4542d8a9b/9e1f374199d048de9a2514dea4ba4788 [2020-07-28 18:57:41,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:41,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:41,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:41,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:41,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:41,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc74d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41, skipping insertion in model container [2020-07-28 18:57:41,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:41,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:41,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:41,700 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:41,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:41,841 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:41,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41 WrapperNode [2020-07-28 18:57:41,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:41,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:41,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:41,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:41,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:41,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:41,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:41,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:41,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... [2020-07-28 18:57:41,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:41,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:41,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:41,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:41,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:57:43,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:57:43,415 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 18:57:43,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:43 BoogieIcfgContainer [2020-07-28 18:57:43,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:57:43,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:57:43,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:57:43,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:57:43,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:41" (1/3) ... [2020-07-28 18:57:43,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b20444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:43, skipping insertion in model container [2020-07-28 18:57:43,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:41" (2/3) ... [2020-07-28 18:57:43,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b20444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:57:43, skipping insertion in model container [2020-07-28 18:57:43,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:43" (3/3) ... [2020-07-28 18:57:43,430 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2020-07-28 18:57:43,441 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:57:43,449 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:57:43,464 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:57:43,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:57:43,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:57:43,487 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:57:43,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:57:43,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:57:43,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:57:43,489 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:57:43,489 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:57:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-07-28 18:57:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:57:43,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:43,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:43,517 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:43,524 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2020-07-28 18:57:43,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:43,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116493561] [2020-07-28 18:57:43,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:43,826 INFO L280 TraceCheckUtils]: 0: Hoare triple {72#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {72#true} is VALID [2020-07-28 18:57:43,828 INFO L280 TraceCheckUtils]: 1: Hoare triple {72#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {72#true} is VALID [2020-07-28 18:57:43,828 INFO L280 TraceCheckUtils]: 2: Hoare triple {72#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {72#true} is VALID [2020-07-28 18:57:43,829 INFO L280 TraceCheckUtils]: 3: Hoare triple {72#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {72#true} is VALID [2020-07-28 18:57:43,829 INFO L280 TraceCheckUtils]: 4: Hoare triple {72#true} assume 0 != main_~tmp~3; {72#true} is VALID [2020-07-28 18:57:43,830 INFO L280 TraceCheckUtils]: 5: Hoare triple {72#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; {72#true} is VALID [2020-07-28 18:57:43,831 INFO L280 TraceCheckUtils]: 6: Hoare triple {72#true} assume false; {73#false} is VALID [2020-07-28 18:57:43,831 INFO L280 TraceCheckUtils]: 7: Hoare triple {73#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {73#false} is VALID [2020-07-28 18:57:43,832 INFO L280 TraceCheckUtils]: 8: Hoare triple {73#false} assume !(0 != ~pumpRunning~0); {73#false} is VALID [2020-07-28 18:57:43,832 INFO L280 TraceCheckUtils]: 9: Hoare triple {73#false} assume !(0 != ~systemActive~0); {73#false} is VALID [2020-07-28 18:57:43,833 INFO L280 TraceCheckUtils]: 10: Hoare triple {73#false} havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; {73#false} is VALID [2020-07-28 18:57:43,833 INFO L280 TraceCheckUtils]: 11: Hoare triple {73#false} __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {73#false} is VALID [2020-07-28 18:57:43,834 INFO L280 TraceCheckUtils]: 12: Hoare triple {73#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {73#false} is VALID [2020-07-28 18:57:43,834 INFO L280 TraceCheckUtils]: 13: Hoare triple {73#false} __utac_acc__Specification1_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret71 && __utac_acc__Specification1_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; {73#false} is VALID [2020-07-28 18:57:43,835 INFO L280 TraceCheckUtils]: 14: Hoare triple {73#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {73#false} is VALID [2020-07-28 18:57:43,835 INFO L280 TraceCheckUtils]: 15: Hoare triple {73#false} assume !false; {73#false} is VALID [2020-07-28 18:57:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:43,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116493561] [2020-07-28 18:57:43,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:43,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:57:43,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378218936] [2020-07-28 18:57:43,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:43,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:43,860 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:57:43,920 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:43,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:57:43,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:43,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:57:43,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:43,934 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-07-28 18:57:44,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:44,204 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-07-28 18:57:44,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:57:44,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:57:44,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 18:57:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:57:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 18:57:44,237 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 197 transitions. [2020-07-28 18:57:44,537 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:44,556 INFO L225 Difference]: With dead ends: 132 [2020-07-28 18:57:44,557 INFO L226 Difference]: Without dead ends: 65 [2020-07-28 18:57:44,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:57:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-28 18:57:44,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-28 18:57:44,636 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:44,637 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2020-07-28 18:57:44,637 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 18:57:44,638 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 18:57:44,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:44,647 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 18:57:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 18:57:44,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:44,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:44,649 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 18:57:44,649 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 18:57:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:44,665 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 18:57:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 18:57:44,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:44,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:44,669 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:44,669 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 18:57:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-07-28 18:57:44,683 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-07-28 18:57:44,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:44,684 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-07-28 18:57:44,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:57:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 18:57:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:57:44,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:44,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:44,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:57:44,686 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:44,688 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2020-07-28 18:57:44,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:44,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479790901] [2020-07-28 18:57:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:44,902 INFO L280 TraceCheckUtils]: 0: Hoare triple {491#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {491#true} is VALID [2020-07-28 18:57:44,903 INFO L280 TraceCheckUtils]: 1: Hoare triple {491#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {491#true} is VALID [2020-07-28 18:57:44,903 INFO L280 TraceCheckUtils]: 2: Hoare triple {491#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {491#true} is VALID [2020-07-28 18:57:44,903 INFO L280 TraceCheckUtils]: 3: Hoare triple {491#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {491#true} is VALID [2020-07-28 18:57:44,904 INFO L280 TraceCheckUtils]: 4: Hoare triple {491#true} assume 0 != main_~tmp~3; {491#true} is VALID [2020-07-28 18:57:44,908 INFO L280 TraceCheckUtils]: 5: Hoare triple {491#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:44,910 INFO L280 TraceCheckUtils]: 6: Hoare triple {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:57:44,912 INFO L280 TraceCheckUtils]: 7: Hoare triple {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {492#false} is VALID [2020-07-28 18:57:44,912 INFO L280 TraceCheckUtils]: 8: Hoare triple {492#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {492#false} is VALID [2020-07-28 18:57:44,912 INFO L280 TraceCheckUtils]: 9: Hoare triple {492#false} assume !(0 != ~pumpRunning~0); {492#false} is VALID [2020-07-28 18:57:44,913 INFO L280 TraceCheckUtils]: 10: Hoare triple {492#false} assume !(0 != ~systemActive~0); {492#false} is VALID [2020-07-28 18:57:44,913 INFO L280 TraceCheckUtils]: 11: Hoare triple {492#false} havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; {492#false} is VALID [2020-07-28 18:57:44,913 INFO L280 TraceCheckUtils]: 12: Hoare triple {492#false} __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {492#false} is VALID [2020-07-28 18:57:44,914 INFO L280 TraceCheckUtils]: 13: Hoare triple {492#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {492#false} is VALID [2020-07-28 18:57:44,914 INFO L280 TraceCheckUtils]: 14: Hoare triple {492#false} __utac_acc__Specification1_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret71 && __utac_acc__Specification1_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; {492#false} is VALID [2020-07-28 18:57:44,914 INFO L280 TraceCheckUtils]: 15: Hoare triple {492#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {492#false} is VALID [2020-07-28 18:57:44,914 INFO L280 TraceCheckUtils]: 16: Hoare triple {492#false} assume !false; {492#false} is VALID [2020-07-28 18:57:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:44,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479790901] [2020-07-28 18:57:44,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:44,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:44,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020157676] [2020-07-28 18:57:44,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:44,920 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:44,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:44,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:44,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:44,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:44,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:44,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:44,952 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-07-28 18:57:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:45,142 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 18:57:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:45,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:57:45,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:45,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 18:57:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 18:57:45,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 90 transitions. [2020-07-28 18:57:45,292 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:45,293 INFO L225 Difference]: With dead ends: 65 [2020-07-28 18:57:45,294 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 18:57:45,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:45,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 18:57:45,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 18:57:45,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:45,323 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,323 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,323 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:45,326 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 18:57:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:57:45,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:45,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:45,328 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,328 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:45,332 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 18:57:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:57:45,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:45,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:45,333 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:45,334 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 18:57:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 18:57:45,336 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-07-28 18:57:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:45,336 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 18:57:45,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 18:57:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:57:45,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:45,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:45,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:57:45,338 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:45,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:45,339 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-07-28 18:57:45,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:45,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151959193] [2020-07-28 18:57:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:45,433 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {696#true} is VALID [2020-07-28 18:57:45,434 INFO L280 TraceCheckUtils]: 1: Hoare triple {696#true} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {696#true} is VALID [2020-07-28 18:57:45,434 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {696#true} is VALID [2020-07-28 18:57:45,435 INFO L280 TraceCheckUtils]: 3: Hoare triple {696#true} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {696#true} is VALID [2020-07-28 18:57:45,435 INFO L280 TraceCheckUtils]: 4: Hoare triple {696#true} assume 0 != main_~tmp~3; {696#true} is VALID [2020-07-28 18:57:45,435 INFO L280 TraceCheckUtils]: 5: Hoare triple {696#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; {696#true} is VALID [2020-07-28 18:57:45,436 INFO L280 TraceCheckUtils]: 6: Hoare triple {696#true} assume !false; {696#true} is VALID [2020-07-28 18:57:45,436 INFO L280 TraceCheckUtils]: 7: Hoare triple {696#true} assume test_~splverifierCounter~0 < 4; {696#true} is VALID [2020-07-28 18:57:45,436 INFO L280 TraceCheckUtils]: 8: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {696#true} is VALID [2020-07-28 18:57:45,437 INFO L280 TraceCheckUtils]: 9: Hoare triple {696#true} assume !(0 != test_~tmp~4); {696#true} is VALID [2020-07-28 18:57:45,437 INFO L280 TraceCheckUtils]: 10: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; {696#true} is VALID [2020-07-28 18:57:45,437 INFO L280 TraceCheckUtils]: 11: Hoare triple {696#true} assume !(0 != test_~tmp___0~0); {696#true} is VALID [2020-07-28 18:57:45,438 INFO L280 TraceCheckUtils]: 12: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {696#true} is VALID [2020-07-28 18:57:45,439 INFO L280 TraceCheckUtils]: 13: Hoare triple {696#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {698#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:45,440 INFO L280 TraceCheckUtils]: 14: Hoare triple {698#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {698#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:57:45,440 INFO L280 TraceCheckUtils]: 15: Hoare triple {698#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {697#false} is VALID [2020-07-28 18:57:45,441 INFO L280 TraceCheckUtils]: 16: Hoare triple {697#false} havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; {697#false} is VALID [2020-07-28 18:57:45,441 INFO L280 TraceCheckUtils]: 17: Hoare triple {697#false} __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {697#false} is VALID [2020-07-28 18:57:45,441 INFO L280 TraceCheckUtils]: 18: Hoare triple {697#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {697#false} is VALID [2020-07-28 18:57:45,442 INFO L280 TraceCheckUtils]: 19: Hoare triple {697#false} __utac_acc__Specification1_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret71 && __utac_acc__Specification1_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; {697#false} is VALID [2020-07-28 18:57:45,442 INFO L280 TraceCheckUtils]: 20: Hoare triple {697#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {697#false} is VALID [2020-07-28 18:57:45,442 INFO L280 TraceCheckUtils]: 21: Hoare triple {697#false} assume !false; {697#false} is VALID [2020-07-28 18:57:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:45,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151959193] [2020-07-28 18:57:45,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:45,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:57:45,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968996729] [2020-07-28 18:57:45,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:45,446 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:45,446 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:57:45,506 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:45,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:57:45,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:45,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:57:45,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:45,508 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-07-28 18:57:45,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:45,736 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-07-28 18:57:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:57:45,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:57:45,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2020-07-28 18:57:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:57:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2020-07-28 18:57:45,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 80 transitions. [2020-07-28 18:57:45,844 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:45,845 INFO L225 Difference]: With dead ends: 56 [2020-07-28 18:57:45,845 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 18:57:45,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:57:45,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 18:57:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 18:57:45,865 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:45,865 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,865 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,866 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:45,867 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 18:57:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 18:57:45,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:45,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:45,868 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,868 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 18:57:45,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:45,870 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 18:57:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 18:57:45,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:45,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:45,871 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:45,871 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 18:57:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-07-28 18:57:45,872 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-07-28 18:57:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:45,873 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-07-28 18:57:45,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:57:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 18:57:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:57:45,874 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:45,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:45,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:57:45,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:45,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:45,875 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-07-28 18:57:45,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:45,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083830931] [2020-07-28 18:57:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:45,983 INFO L280 TraceCheckUtils]: 0: Hoare triple {886#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,986 INFO L280 TraceCheckUtils]: 3: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,986 INFO L280 TraceCheckUtils]: 4: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~3; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,987 INFO L280 TraceCheckUtils]: 5: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,989 INFO L280 TraceCheckUtils]: 6: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume !false; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,990 INFO L280 TraceCheckUtils]: 7: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,992 INFO L280 TraceCheckUtils]: 8: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,992 INFO L280 TraceCheckUtils]: 9: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~4); {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,993 INFO L280 TraceCheckUtils]: 10: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,994 INFO L280 TraceCheckUtils]: 11: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,994 INFO L280 TraceCheckUtils]: 12: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,995 INFO L280 TraceCheckUtils]: 13: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,996 INFO L280 TraceCheckUtils]: 14: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,997 INFO L280 TraceCheckUtils]: 15: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,997 INFO L280 TraceCheckUtils]: 16: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {888#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:57:45,998 INFO L280 TraceCheckUtils]: 17: Hoare triple {888#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; {889#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:57:45,999 INFO L280 TraceCheckUtils]: 18: Hoare triple {889#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {890#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} is VALID [2020-07-28 18:57:46,000 INFO L280 TraceCheckUtils]: 19: Hoare triple {890#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {887#false} is VALID [2020-07-28 18:57:46,000 INFO L280 TraceCheckUtils]: 20: Hoare triple {887#false} __utac_acc__Specification1_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret71 && __utac_acc__Specification1_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; {887#false} is VALID [2020-07-28 18:57:46,001 INFO L280 TraceCheckUtils]: 21: Hoare triple {887#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {887#false} is VALID [2020-07-28 18:57:46,001 INFO L280 TraceCheckUtils]: 22: Hoare triple {887#false} assume !false; {887#false} is VALID [2020-07-28 18:57:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:46,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083830931] [2020-07-28 18:57:46,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:46,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:46,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388287128] [2020-07-28 18:57:46,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:46,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:46,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:46,040 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:46,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:46,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:46,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:46,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:46,041 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-07-28 18:57:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:46,665 INFO L93 Difference]: Finished difference Result 132 states and 195 transitions. [2020-07-28 18:57:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:57:46,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:57:46,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 195 transitions. [2020-07-28 18:57:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 195 transitions. [2020-07-28 18:57:46,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 195 transitions. [2020-07-28 18:57:46,912 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:46,919 INFO L225 Difference]: With dead ends: 132 [2020-07-28 18:57:46,920 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 18:57:46,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:57:46,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 18:57:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 52. [2020-07-28 18:57:47,001 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:47,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 52 states. [2020-07-28 18:57:47,002 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 52 states. [2020-07-28 18:57:47,002 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 52 states. [2020-07-28 18:57:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:47,008 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2020-07-28 18:57:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2020-07-28 18:57:47,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:47,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:47,010 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 107 states. [2020-07-28 18:57:47,010 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 107 states. [2020-07-28 18:57:47,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:47,016 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2020-07-28 18:57:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2020-07-28 18:57:47,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:47,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:47,017 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:47,018 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:47,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 18:57:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 72 transitions. [2020-07-28 18:57:47,020 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 72 transitions. Word has length 23 [2020-07-28 18:57:47,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:47,021 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 72 transitions. [2020-07-28 18:57:47,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2020-07-28 18:57:47,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:57:47,022 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:57:47,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:57:47,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:57:47,023 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:57:47,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:57:47,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1414455604, now seen corresponding path program 1 times [2020-07-28 18:57:47,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:57:47,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363008872] [2020-07-28 18:57:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:57:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:57:47,107 INFO L280 TraceCheckUtils]: 0: Hoare triple {1378#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,108 INFO L280 TraceCheckUtils]: 1: Hoare triple {1380#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,109 INFO L280 TraceCheckUtils]: 2: Hoare triple {1380#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,109 INFO L280 TraceCheckUtils]: 3: Hoare triple {1380#(= 0 ~pumpRunning~0)} main_#t~ret46 := valid_product_#res;assume -2147483648 <= main_#t~ret46 && main_#t~ret46 <= 2147483647;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,110 INFO L280 TraceCheckUtils]: 4: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,111 INFO L280 TraceCheckUtils]: 5: Hoare triple {1380#(= 0 ~pumpRunning~0)} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,112 INFO L280 TraceCheckUtils]: 6: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume !false; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,113 INFO L280 TraceCheckUtils]: 7: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,113 INFO L280 TraceCheckUtils]: 8: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,114 INFO L280 TraceCheckUtils]: 9: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,115 INFO L280 TraceCheckUtils]: 10: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,115 INFO L280 TraceCheckUtils]: 11: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,117 INFO L280 TraceCheckUtils]: 12: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,120 INFO L280 TraceCheckUtils]: 13: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,122 INFO L280 TraceCheckUtils]: 14: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,124 INFO L280 TraceCheckUtils]: 15: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,127 INFO L280 TraceCheckUtils]: 16: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,127 INFO L280 TraceCheckUtils]: 17: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,128 INFO L280 TraceCheckUtils]: 18: Hoare triple {1380#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,129 INFO L280 TraceCheckUtils]: 19: Hoare triple {1380#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret70 && __utac_acc__Specification1_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; {1380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:57:47,130 INFO L280 TraceCheckUtils]: 20: Hoare triple {1380#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; {1381#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:57:47,131 INFO L280 TraceCheckUtils]: 21: Hoare triple {1381#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret71 && __utac_acc__Specification1_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1 := __utac_acc__Specification1_spec__1_#t~ret71;havoc __utac_acc__Specification1_spec__1_#t~ret71; {1382#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} is VALID [2020-07-28 18:57:47,131 INFO L280 TraceCheckUtils]: 22: Hoare triple {1382#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1; {1379#false} is VALID [2020-07-28 18:57:47,132 INFO L280 TraceCheckUtils]: 23: Hoare triple {1379#false} assume !false; {1379#false} is VALID [2020-07-28 18:57:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:57:47,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363008872] [2020-07-28 18:57:47,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:57:47,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:57:47,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852910154] [2020-07-28 18:57:47,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:57:47,134 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:57:47,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:57:47,168 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:47,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:57:47,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:57:47,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:57:47,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:57:47,169 INFO L87 Difference]: Start difference. First operand 52 states and 72 transitions. Second operand 5 states. [2020-07-28 18:57:47,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:47,673 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2020-07-28 18:57:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:57:47,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:57:47,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:57:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2020-07-28 18:57:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:57:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2020-07-28 18:57:47,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 120 transitions. [2020-07-28 18:57:47,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:57:47,824 INFO L225 Difference]: With dead ends: 144 [2020-07-28 18:57:47,824 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:57:47,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:57:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:57:47,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:57:47,825 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:57:47,825 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:47,826 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:47,826 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:47,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:47,826 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:47,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:47,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:47,827 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:47,827 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:57:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:57:47,827 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:57:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:47,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:47,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:57:47,828 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:57:47,828 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:57:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:57:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:57:47,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 18:57:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:57:47,828 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:57:47,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:57:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:57:47,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:57:47,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:57:47,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:57:48,207 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-28 18:57:48,208 INFO L268 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2020-07-28 18:57:48,208 INFO L268 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2020-07-28 18:57:48,208 INFO L268 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2020-07-28 18:57:48,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:57:48,208 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-07-28 18:57:48,209 INFO L271 CegarLoopResult]: At program point L615-1(lines 615 622) the Hoare annotation is: true [2020-07-28 18:57:48,209 INFO L264 CegarLoopResult]: At program point L715(lines 715 721) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,209 INFO L264 CegarLoopResult]: At program point L715-1(lines 715 721) the Hoare annotation is: false [2020-07-28 18:57:48,209 INFO L264 CegarLoopResult]: At program point L715-2(lines 715 721) the Hoare annotation is: false [2020-07-28 18:57:48,209 INFO L264 CegarLoopResult]: At program point L517(lines 1 893) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,209 INFO L268 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-07-28 18:57:48,210 INFO L264 CegarLoopResult]: At program point L650-1(lines 650 656) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,210 INFO L264 CegarLoopResult]: At program point L89(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:48,210 INFO L264 CegarLoopResult]: At program point L89-1(lines 84 92) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,210 INFO L264 CegarLoopResult]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:48,210 INFO L264 CegarLoopResult]: At program point L89-3(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:48,210 INFO L264 CegarLoopResult]: At program point L89-4(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:48,211 INFO L264 CegarLoopResult]: At program point L89-5(lines 84 92) the Hoare annotation is: false [2020-07-28 18:57:48,211 INFO L264 CegarLoopResult]: At program point L801(lines 794 804) the Hoare annotation is: false [2020-07-28 18:57:48,211 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:57:48,211 INFO L264 CegarLoopResult]: At program point L801-1(lines 794 804) the Hoare annotation is: false [2020-07-28 18:57:48,211 INFO L264 CegarLoopResult]: At program point L801-2(lines 794 804) the Hoare annotation is: false [2020-07-28 18:57:48,211 INFO L268 CegarLoopResult]: For program point L868(lines 868 881) no Hoare annotation was computed. [2020-07-28 18:57:48,211 INFO L264 CegarLoopResult]: At program point L868-1(lines 1 893) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,212 INFO L268 CegarLoopResult]: For program point L868-2(lines 868 881) no Hoare annotation was computed. [2020-07-28 18:57:48,212 INFO L264 CegarLoopResult]: At program point L868-3(lines 1 893) the Hoare annotation is: false [2020-07-28 18:57:48,212 INFO L268 CegarLoopResult]: For program point L868-4(lines 868 881) no Hoare annotation was computed. [2020-07-28 18:57:48,212 INFO L264 CegarLoopResult]: At program point L868-5(lines 1 893) the Hoare annotation is: false [2020-07-28 18:57:48,212 INFO L268 CegarLoopResult]: For program point L670(lines 670 683) no Hoare annotation was computed. [2020-07-28 18:57:48,212 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-28 18:57:48,212 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-07-28 18:57:48,213 INFO L264 CegarLoopResult]: At program point L688(lines 639 689) the Hoare annotation is: false [2020-07-28 18:57:48,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:57:48,213 INFO L271 CegarLoopResult]: At program point L624(lines 605 627) the Hoare annotation is: true [2020-07-28 18:57:48,213 INFO L264 CegarLoopResult]: At program point L591(lines 587 593) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,213 INFO L264 CegarLoopResult]: At program point L525(lines 520 528) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,213 INFO L268 CegarLoopResult]: For program point L872(lines 872 878) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 878) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L268 CegarLoopResult]: For program point L740(lines 740 757) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L268 CegarLoopResult]: For program point L872-4(lines 872 878) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L268 CegarLoopResult]: For program point L740-1(lines 740 757) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L268 CegarLoopResult]: For program point L740-2(lines 740 757) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L268 CegarLoopResult]: For program point L641(lines 640 687) no Hoare annotation was computed. [2020-07-28 18:57:48,214 INFO L264 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2020-07-28 18:57:48,215 INFO L264 CegarLoopResult]: At program point L708(lines 707 726) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,215 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2020-07-28 18:57:48,215 INFO L268 CegarLoopResult]: For program point L642(lines 642 646) no Hoare annotation was computed. [2020-07-28 18:57:48,215 INFO L264 CegarLoopResult]: At program point L708-2(lines 707 726) the Hoare annotation is: false [2020-07-28 18:57:48,215 INFO L264 CegarLoopResult]: At program point L708-3(lines 707 726) the Hoare annotation is: false [2020-07-28 18:57:48,215 INFO L268 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2020-07-28 18:57:48,215 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L268 CegarLoopResult]: For program point L890-1(line 890) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L268 CegarLoopResult]: For program point L890-2(line 890) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-28 18:57:48,216 INFO L264 CegarLoopResult]: At program point L660-1(lines 660 666) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,217 INFO L264 CegarLoopResult]: At program point L810(lines 805 813) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,217 INFO L264 CegarLoopResult]: At program point L810-1(lines 805 813) the Hoare annotation is: false [2020-07-28 18:57:48,217 INFO L268 CegarLoopResult]: For program point L744(lines 744 752) no Hoare annotation was computed. [2020-07-28 18:57:48,217 INFO L264 CegarLoopResult]: At program point L810-2(lines 805 813) the Hoare annotation is: false [2020-07-28 18:57:48,217 INFO L268 CegarLoopResult]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2020-07-28 18:57:48,217 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-28 18:57:48,218 INFO L268 CegarLoopResult]: For program point L744-2(lines 744 752) no Hoare annotation was computed. [2020-07-28 18:57:48,218 INFO L264 CegarLoopResult]: At program point L678-2(lines 708 714) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:57:48,218 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-07-28 18:57:48,218 INFO L268 CegarLoopResult]: For program point L546-1(lines 708 714) no Hoare annotation was computed. [2020-07-28 18:57:48,223 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:57:48,223 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:57:48,224 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 18:57:48,224 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 18:57:48,224 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 18:57:48,233 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 18:57:48,233 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:48,233 WARN L170 areAnnotationChecker]: L708-1 has no Hoare annotation [2020-07-28 18:57:48,233 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 18:57:48,233 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 18:57:48,233 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L708-1 has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L708-1 has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L740-1 has no Hoare annotation [2020-07-28 18:57:48,234 WARN L170 areAnnotationChecker]: L650 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L650 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L740-1 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L740-1 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L868-2 has no Hoare annotation [2020-07-28 18:57:48,235 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L744-1 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L868-2 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L868-2 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 18:57:48,236 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L744-1 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L744-1 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L872-2 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L872-2 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L872-2 has no Hoare annotation [2020-07-28 18:57:48,237 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 18:57:48,238 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 18:57:48,239 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-28 18:57:48,239 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-28 18:57:48,240 WARN L170 areAnnotationChecker]: L890-1 has no Hoare annotation [2020-07-28 18:57:48,240 WARN L170 areAnnotationChecker]: L890-1 has no Hoare annotation [2020-07-28 18:57:48,240 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 18:57:48,240 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 18:57:48,240 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 18:57:48,240 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-28 18:57:48,244 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:57:48,245 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-28 18:57:48,245 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-28 18:57:48,245 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-28 18:57:48,246 WARN L170 areAnnotationChecker]: L546-1 has no Hoare annotation [2020-07-28 18:57:48,246 WARN L170 areAnnotationChecker]: L546-1 has no Hoare annotation [2020-07-28 18:57:48,246 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:57:48,246 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 18:57:48,246 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L740-2 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L740-2 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L740-2 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-28 18:57:48,247 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L868-4 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L744-2 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L868-4 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L868-4 has no Hoare annotation [2020-07-28 18:57:48,248 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 18:57:48,249 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 18:57:48,249 WARN L170 areAnnotationChecker]: L744-2 has no Hoare annotation [2020-07-28 18:57:48,249 WARN L170 areAnnotationChecker]: L744-2 has no Hoare annotation [2020-07-28 18:57:48,249 WARN L170 areAnnotationChecker]: L872-4 has no Hoare annotation [2020-07-28 18:57:48,249 WARN L170 areAnnotationChecker]: L872-4 has no Hoare annotation [2020-07-28 18:57:48,250 WARN L170 areAnnotationChecker]: L872-4 has no Hoare annotation [2020-07-28 18:57:48,250 WARN L170 areAnnotationChecker]: L890-2 has no Hoare annotation [2020-07-28 18:57:48,250 WARN L170 areAnnotationChecker]: L890-2 has no Hoare annotation [2020-07-28 18:57:48,251 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:57:48,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:57:48 BoogieIcfgContainer [2020-07-28 18:57:48,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:57:48,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:57:48,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:57:48,279 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:57:48,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:57:43" (3/4) ... [2020-07-28 18:57:48,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:57:48,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:57:48,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:57:48,302 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:57:48,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:57:48,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:57:48,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:48,305 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:57:48,338 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 18:57:48,419 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:57:48,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:57:48,423 INFO L168 Benchmark]: Toolchain (without parser) took 7404.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 954.9 MB in the beginning and 831.8 MB in the end (delta: 123.1 MB). Peak memory consumption was 337.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:48,423 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:48,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:48,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.02 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:48,424 INFO L168 Benchmark]: Boogie Preprocessor took 41.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:57:48,425 INFO L168 Benchmark]: RCFGBuilder took 1450.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 138.4 MB). Peak memory consumption was 138.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:48,425 INFO L168 Benchmark]: TraceAbstraction took 4856.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 976.4 MB in the beginning and 839.5 MB in the end (delta: 136.9 MB). Peak memory consumption was 210.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:48,426 INFO L168 Benchmark]: Witness Printer took 141.10 ms. Allocated memory is still 1.2 GB. Free memory was 839.5 MB in the beginning and 831.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:57:48,428 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 821.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.02 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.91 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 1450.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 138.4 MB). Peak memory consumption was 138.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4856.31 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 976.4 MB in the beginning and 839.5 MB in the end (delta: 136.9 MB). Peak memory consumption was 210.3 MB. Max. memory is 11.5 GB. * Witness Printer took 141.10 ms. Allocated memory is still 1.2 GB. Free memory was 839.5 MB in the beginning and 831.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 276 SDslu, 233 SDs, 0 SdLazy, 53 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1038 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 296 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct! Received shutdown request...