./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_spec2_product19.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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:59:24,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:59:24,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:59:24,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:59:24,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:59:24,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:59:24,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:59:24,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:59:24,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:59:24,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:59:24,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:59:24,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:59:24,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:59:24,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:59:24,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:59:24,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:59:24,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:59:24,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:59:24,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:59:24,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:59:24,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:59:24,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:59:24,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:59:24,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:59:24,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:59:24,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:59:24,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:59:24,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:59:24,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:59:24,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:59:24,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:59:24,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:59:24,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:59:24,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:59:24,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:59:24,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:59:24,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:59:24,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:59:24,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:59:24,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:59:24,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:59:24,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:59:24,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:59:24,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:59:24,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:59:24,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:59:24,530 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:59:24,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:59:24,531 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:59:24,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:59:24,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:59:24,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:59:24,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:59:24,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:59:24,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:59:24,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:59:24,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:59:24,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:59:24,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:59:24,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:59:24,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:59:24,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:59:24,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:59:24,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:59:24,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:59:24,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:59:24,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:59:24,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:59:24,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:59:24,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:59:24,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:59:24,540 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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2020-07-28 18:59:24,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:59:24,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:59:24,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:59:24,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:59:24,887 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:59:24,887 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-07-28 18:59:24,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f9c7944b/520c6d0cc6c242c49878aa96d6b556cb/FLAGdb333ff6e [2020-07-28 18:59:25,532 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:59:25,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-07-28 18:59:25,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f9c7944b/520c6d0cc6c242c49878aa96d6b556cb/FLAGdb333ff6e [2020-07-28 18:59:25,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f9c7944b/520c6d0cc6c242c49878aa96d6b556cb [2020-07-28 18:59:25,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:59:25,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:59:25,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:25,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:59:25,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:59:25,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d973b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:25, skipping insertion in model container [2020-07-28 18:59:25,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:59:25" (1/1) ... [2020-07-28 18:59:25,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:59:26,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:59:26,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:26,404 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:59:26,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:59:26,544 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:59:26,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26 WrapperNode [2020-07-28 18:59:26,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:59:26,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:26,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:59:26,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:59:26,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:59:26,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:59:26,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:59:26,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:59:26,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (1/1) ... [2020-07-28 18:59:26,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:59:26,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:59:26,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:59:26,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:59:26,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (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 18:59:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:59:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:59:26,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:59:26,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:59:28,176 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:59:28,177 INFO L295 CfgBuilder]: Removed 102 assume(true) statements. [2020-07-28 18:59:28,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:28 BoogieIcfgContainer [2020-07-28 18:59:28,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:59:28,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:59:28,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:59:28,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:59:28,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:59:25" (1/3) ... [2020-07-28 18:59:28,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3faf03c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:28, skipping insertion in model container [2020-07-28 18:59:28,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:59:26" (2/3) ... [2020-07-28 18:59:28,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3faf03c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:59:28, skipping insertion in model container [2020-07-28 18:59:28,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:28" (3/3) ... [2020-07-28 18:59:28,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2020-07-28 18:59:28,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:59:28,212 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:59:28,227 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:59:28,252 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:59:28,253 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:59:28,253 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:59:28,253 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:59:28,254 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:59:28,254 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:59:28,254 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:59:28,254 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:59:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-07-28 18:59:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 18:59:28,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:28,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:28,282 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:28,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:28,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2020-07-28 18:59:28,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:28,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31983750] [2020-07-28 18:59:28,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:28,663 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {84#true} is VALID [2020-07-28 18:59:28,664 INFO L280 TraceCheckUtils]: 1: Hoare triple {84#true} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {84#true} is VALID [2020-07-28 18:59:28,664 INFO L280 TraceCheckUtils]: 2: Hoare triple {84#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {84#true} is VALID [2020-07-28 18:59:28,665 INFO L280 TraceCheckUtils]: 3: Hoare triple {84#true} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {84#true} is VALID [2020-07-28 18:59:28,665 INFO L280 TraceCheckUtils]: 4: Hoare triple {84#true} assume 0 != main_~tmp~3; {84#true} is VALID [2020-07-28 18:59:28,666 INFO L280 TraceCheckUtils]: 5: Hoare triple {84#true} ~methAndRunningLastTime~0 := 0; {84#true} is VALID [2020-07-28 18:59:28,666 INFO L280 TraceCheckUtils]: 6: Hoare triple {84#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {84#true} is VALID [2020-07-28 18:59:28,667 INFO L280 TraceCheckUtils]: 7: Hoare triple {84#true} assume false; {85#false} is VALID [2020-07-28 18:59:28,668 INFO L280 TraceCheckUtils]: 8: Hoare triple {85#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {85#false} is VALID [2020-07-28 18:59:28,668 INFO L280 TraceCheckUtils]: 9: Hoare triple {85#false} assume !(0 != ~pumpRunning~0); {85#false} is VALID [2020-07-28 18:59:28,669 INFO L280 TraceCheckUtils]: 10: Hoare triple {85#false} assume !(0 != ~systemActive~0); {85#false} is VALID [2020-07-28 18:59:28,669 INFO L280 TraceCheckUtils]: 11: Hoare triple {85#false} havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {85#false} is VALID [2020-07-28 18:59:28,670 INFO L280 TraceCheckUtils]: 12: Hoare triple {85#false} __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {85#false} is VALID [2020-07-28 18:59:28,670 INFO L280 TraceCheckUtils]: 13: Hoare triple {85#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {85#false} is VALID [2020-07-28 18:59:28,670 INFO L280 TraceCheckUtils]: 14: Hoare triple {85#false} __utac_acc__Specification2_spec__2_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {85#false} is VALID [2020-07-28 18:59:28,671 INFO L280 TraceCheckUtils]: 15: Hoare triple {85#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {85#false} is VALID [2020-07-28 18:59:28,671 INFO L280 TraceCheckUtils]: 16: Hoare triple {85#false} assume 0 != ~methAndRunningLastTime~0; {85#false} is VALID [2020-07-28 18:59:28,672 INFO L280 TraceCheckUtils]: 17: Hoare triple {85#false} assume !false; {85#false} is VALID [2020-07-28 18:59:28,676 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 18:59:28,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31983750] [2020-07-28 18:59:28,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:28,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:59:28,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509710290] [2020-07-28 18:59:28,686 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:28,688 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:28,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:59:28,736 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:28,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:59:28,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:28,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:59:28,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:59:28,750 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2020-07-28 18:59:28,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:28,961 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2020-07-28 18:59:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:59:28,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 18:59:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:28,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 234 transitions. [2020-07-28 18:59:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:59:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 234 transitions. [2020-07-28 18:59:28,978 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 234 transitions. [2020-07-28 18:59:29,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 234 edges. 234 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:29,302 INFO L225 Difference]: With dead ends: 155 [2020-07-28 18:59:29,302 INFO L226 Difference]: Without dead ends: 77 [2020-07-28 18:59:29,307 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 18:59:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-28 18:59:29,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-07-28 18:59:29,370 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:29,370 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand 77 states. [2020-07-28 18:59:29,371 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2020-07-28 18:59:29,371 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2020-07-28 18:59:29,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,386 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-07-28 18:59:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-07-28 18:59:29,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:29,389 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:29,389 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 77 states. [2020-07-28 18:59:29,389 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 77 states. [2020-07-28 18:59:29,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,401 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-07-28 18:59:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-07-28 18:59:29,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:29,403 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:29,403 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:29,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-28 18:59:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-07-28 18:59:29,411 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-07-28 18:59:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:29,411 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-07-28 18:59:29,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:59:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-07-28 18:59:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 18:59:29,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:29,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:29,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:59:29,414 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:29,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:29,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2020-07-28 18:59:29,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:29,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360862015] [2020-07-28 18:59:29,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:29,581 INFO L280 TraceCheckUtils]: 0: Hoare triple {567#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {567#true} is VALID [2020-07-28 18:59:29,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {567#true} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {567#true} is VALID [2020-07-28 18:59:29,582 INFO L280 TraceCheckUtils]: 2: Hoare triple {567#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {567#true} is VALID [2020-07-28 18:59:29,582 INFO L280 TraceCheckUtils]: 3: Hoare triple {567#true} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {567#true} is VALID [2020-07-28 18:59:29,583 INFO L280 TraceCheckUtils]: 4: Hoare triple {567#true} assume 0 != main_~tmp~3; {567#true} is VALID [2020-07-28 18:59:29,583 INFO L280 TraceCheckUtils]: 5: Hoare triple {567#true} ~methAndRunningLastTime~0 := 0; {567#true} is VALID [2020-07-28 18:59:29,584 INFO L280 TraceCheckUtils]: 6: Hoare triple {567#true} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {569#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:29,585 INFO L280 TraceCheckUtils]: 7: Hoare triple {569#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {569#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:59:29,586 INFO L280 TraceCheckUtils]: 8: Hoare triple {569#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {568#false} is VALID [2020-07-28 18:59:29,587 INFO L280 TraceCheckUtils]: 9: Hoare triple {568#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {568#false} is VALID [2020-07-28 18:59:29,587 INFO L280 TraceCheckUtils]: 10: Hoare triple {568#false} assume !(0 != ~pumpRunning~0); {568#false} is VALID [2020-07-28 18:59:29,587 INFO L280 TraceCheckUtils]: 11: Hoare triple {568#false} assume !(0 != ~systemActive~0); {568#false} is VALID [2020-07-28 18:59:29,588 INFO L280 TraceCheckUtils]: 12: Hoare triple {568#false} havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {568#false} is VALID [2020-07-28 18:59:29,588 INFO L280 TraceCheckUtils]: 13: Hoare triple {568#false} __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {568#false} is VALID [2020-07-28 18:59:29,589 INFO L280 TraceCheckUtils]: 14: Hoare triple {568#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {568#false} is VALID [2020-07-28 18:59:29,589 INFO L280 TraceCheckUtils]: 15: Hoare triple {568#false} __utac_acc__Specification2_spec__2_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {568#false} is VALID [2020-07-28 18:59:29,589 INFO L280 TraceCheckUtils]: 16: Hoare triple {568#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {568#false} is VALID [2020-07-28 18:59:29,590 INFO L280 TraceCheckUtils]: 17: Hoare triple {568#false} assume 0 != ~methAndRunningLastTime~0; {568#false} is VALID [2020-07-28 18:59:29,590 INFO L280 TraceCheckUtils]: 18: Hoare triple {568#false} assume !false; {568#false} is VALID [2020-07-28 18:59:29,592 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 18:59:29,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360862015] [2020-07-28 18:59:29,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:29,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:59:29,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298257720] [2020-07-28 18:59:29,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:29,595 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:29,595 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:59:29,636 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:29,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:59:29,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:29,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:59:29,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:59:29,638 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-07-28 18:59:29,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:29,841 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-07-28 18:59:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:59:29,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 18:59:29,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2020-07-28 18:59:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:59:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2020-07-28 18:59:29,847 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 109 transitions. [2020-07-28 18:59:30,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:30,035 INFO L225 Difference]: With dead ends: 77 [2020-07-28 18:59:30,035 INFO L226 Difference]: Without dead ends: 37 [2020-07-28 18:59:30,036 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 18:59:30,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-28 18:59:30,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-28 18:59:30,067 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:30,067 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 37 states. [2020-07-28 18:59:30,067 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 18:59:30,068 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 18:59:30,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,070 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-07-28 18:59:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-07-28 18:59:30,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:30,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:30,071 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 37 states. [2020-07-28 18:59:30,071 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 37 states. [2020-07-28 18:59:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,074 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-07-28 18:59:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-07-28 18:59:30,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:30,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:30,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:30,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-28 18:59:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-07-28 18:59:30,078 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-07-28 18:59:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:30,078 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-07-28 18:59:30,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:59:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-07-28 18:59:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:59:30,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:30,080 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 18:59:30,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:59:30,081 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:30,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2020-07-28 18:59:30,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:30,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179654312] [2020-07-28 18:59:30,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:30,194 INFO L280 TraceCheckUtils]: 0: Hoare triple {806#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {808#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:30,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {808#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {808#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:30,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {808#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {809#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:59:30,198 INFO L280 TraceCheckUtils]: 3: Hoare triple {809#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {810#(= ULTIMATE.start_main_~tmp~3 ~systemActive~0)} is VALID [2020-07-28 18:59:30,199 INFO L280 TraceCheckUtils]: 4: Hoare triple {810#(= ULTIMATE.start_main_~tmp~3 ~systemActive~0)} assume 0 != main_~tmp~3; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,200 INFO L280 TraceCheckUtils]: 5: Hoare triple {811#(not (= 0 ~systemActive~0))} ~methAndRunningLastTime~0 := 0; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,201 INFO L280 TraceCheckUtils]: 6: Hoare triple {811#(not (= 0 ~systemActive~0))} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,202 INFO L280 TraceCheckUtils]: 7: Hoare triple {811#(not (= 0 ~systemActive~0))} assume !false; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,203 INFO L280 TraceCheckUtils]: 8: Hoare triple {811#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,204 INFO L280 TraceCheckUtils]: 9: Hoare triple {811#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,205 INFO L280 TraceCheckUtils]: 10: Hoare triple {811#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~7); {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,206 INFO L280 TraceCheckUtils]: 11: Hoare triple {811#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,207 INFO L280 TraceCheckUtils]: 12: Hoare triple {811#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2); {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,208 INFO L280 TraceCheckUtils]: 13: Hoare triple {811#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,209 INFO L280 TraceCheckUtils]: 14: Hoare triple {811#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,210 INFO L280 TraceCheckUtils]: 15: Hoare triple {811#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {811#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:59:30,211 INFO L280 TraceCheckUtils]: 16: Hoare triple {811#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {807#false} is VALID [2020-07-28 18:59:30,211 INFO L280 TraceCheckUtils]: 17: Hoare triple {807#false} havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {807#false} is VALID [2020-07-28 18:59:30,211 INFO L280 TraceCheckUtils]: 18: Hoare triple {807#false} __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {807#false} is VALID [2020-07-28 18:59:30,212 INFO L280 TraceCheckUtils]: 19: Hoare triple {807#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {807#false} is VALID [2020-07-28 18:59:30,212 INFO L280 TraceCheckUtils]: 20: Hoare triple {807#false} __utac_acc__Specification2_spec__2_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {807#false} is VALID [2020-07-28 18:59:30,212 INFO L280 TraceCheckUtils]: 21: Hoare triple {807#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {807#false} is VALID [2020-07-28 18:59:30,213 INFO L280 TraceCheckUtils]: 22: Hoare triple {807#false} assume 0 != ~methAndRunningLastTime~0; {807#false} is VALID [2020-07-28 18:59:30,213 INFO L280 TraceCheckUtils]: 23: Hoare triple {807#false} assume !false; {807#false} is VALID [2020-07-28 18:59:30,215 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 18:59:30,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179654312] [2020-07-28 18:59:30,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:30,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:59:30,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950899466] [2020-07-28 18:59:30,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 18:59:30,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:30,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:59:30,253 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 18:59:30,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:59:30,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:30,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:59:30,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:59:30,255 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 6 states. [2020-07-28 18:59:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:30,971 INFO L93 Difference]: Finished difference Result 121 states and 178 transitions. [2020-07-28 18:59:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:59:30,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-07-28 18:59:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 178 transitions. [2020-07-28 18:59:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 178 transitions. [2020-07-28 18:59:30,978 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 178 transitions. [2020-07-28 18:59:31,204 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:31,208 INFO L225 Difference]: With dead ends: 121 [2020-07-28 18:59:31,208 INFO L226 Difference]: Without dead ends: 91 [2020-07-28 18:59:31,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:59:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-28 18:59:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 57. [2020-07-28 18:59:31,260 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:31,260 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand 57 states. [2020-07-28 18:59:31,260 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 57 states. [2020-07-28 18:59:31,260 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 57 states. [2020-07-28 18:59:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:31,272 INFO L93 Difference]: Finished difference Result 91 states and 131 transitions. [2020-07-28 18:59:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-07-28 18:59:31,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:31,277 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:31,277 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 91 states. [2020-07-28 18:59:31,277 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 91 states. [2020-07-28 18:59:31,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:31,286 INFO L93 Difference]: Finished difference Result 91 states and 131 transitions. [2020-07-28 18:59:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-07-28 18:59:31,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:31,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:31,287 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:31,287 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-28 18:59:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2020-07-28 18:59:31,296 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 24 [2020-07-28 18:59:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:31,296 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2020-07-28 18:59:31,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:59:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2020-07-28 18:59:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:59:31,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:31,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:31,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:59:31,298 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:31,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:31,302 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2020-07-28 18:59:31,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:31,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371984914] [2020-07-28 18:59:31,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:31,439 INFO L280 TraceCheckUtils]: 0: Hoare triple {1247#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,440 INFO L280 TraceCheckUtils]: 1: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,441 INFO L280 TraceCheckUtils]: 2: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,442 INFO L280 TraceCheckUtils]: 3: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,442 INFO L280 TraceCheckUtils]: 4: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~3; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,443 INFO L280 TraceCheckUtils]: 5: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,443 INFO L280 TraceCheckUtils]: 6: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,444 INFO L280 TraceCheckUtils]: 7: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume !false; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,444 INFO L280 TraceCheckUtils]: 8: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,445 INFO L280 TraceCheckUtils]: 9: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,446 INFO L280 TraceCheckUtils]: 10: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~7); {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,446 INFO L280 TraceCheckUtils]: 11: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,447 INFO L280 TraceCheckUtils]: 12: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,447 INFO L280 TraceCheckUtils]: 13: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,448 INFO L280 TraceCheckUtils]: 14: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,449 INFO L280 TraceCheckUtils]: 15: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,449 INFO L280 TraceCheckUtils]: 16: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,450 INFO L280 TraceCheckUtils]: 17: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {1249#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:59:31,450 INFO L280 TraceCheckUtils]: 18: Hoare triple {1249#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1250#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:59:31,451 INFO L280 TraceCheckUtils]: 19: Hoare triple {1250#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {1251#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4)} is VALID [2020-07-28 18:59:31,453 INFO L280 TraceCheckUtils]: 20: Hoare triple {1251#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1248#false} is VALID [2020-07-28 18:59:31,453 INFO L280 TraceCheckUtils]: 21: Hoare triple {1248#false} __utac_acc__Specification2_spec__2_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {1248#false} is VALID [2020-07-28 18:59:31,453 INFO L280 TraceCheckUtils]: 22: Hoare triple {1248#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1248#false} is VALID [2020-07-28 18:59:31,453 INFO L280 TraceCheckUtils]: 23: Hoare triple {1248#false} assume 0 != ~methAndRunningLastTime~0; {1248#false} is VALID [2020-07-28 18:59:31,454 INFO L280 TraceCheckUtils]: 24: Hoare triple {1248#false} assume !false; {1248#false} is VALID [2020-07-28 18:59:31,456 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 18:59:31,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371984914] [2020-07-28 18:59:31,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:31,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:31,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737709638] [2020-07-28 18:59:31,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:31,459 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:31,459 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:31,496 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:31,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:31,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:31,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:31,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:31,497 INFO L87 Difference]: Start difference. First operand 57 states and 83 transitions. Second operand 5 states. [2020-07-28 18:59:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:32,351 INFO L93 Difference]: Finished difference Result 261 states and 400 transitions. [2020-07-28 18:59:32,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:59:32,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:59:32,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 256 transitions. [2020-07-28 18:59:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 256 transitions. [2020-07-28 18:59:32,363 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 256 transitions. [2020-07-28 18:59:32,652 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 256 edges. 256 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:32,662 INFO L225 Difference]: With dead ends: 261 [2020-07-28 18:59:32,662 INFO L226 Difference]: Without dead ends: 211 [2020-07-28 18:59:32,663 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 18:59:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-28 18:59:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 99. [2020-07-28 18:59:32,805 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:32,805 INFO L82 GeneralOperation]: Start isEquivalent. First operand 211 states. Second operand 99 states. [2020-07-28 18:59:32,806 INFO L74 IsIncluded]: Start isIncluded. First operand 211 states. Second operand 99 states. [2020-07-28 18:59:32,806 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 99 states. [2020-07-28 18:59:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:32,816 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2020-07-28 18:59:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2020-07-28 18:59:32,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:32,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:32,818 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 211 states. [2020-07-28 18:59:32,818 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 211 states. [2020-07-28 18:59:32,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:32,827 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2020-07-28 18:59:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2020-07-28 18:59:32,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:32,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:32,829 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:32,829 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-28 18:59:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2020-07-28 18:59:32,833 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 25 [2020-07-28 18:59:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:32,833 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2020-07-28 18:59:32,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2020-07-28 18:59:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:59:32,835 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:32,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:32,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:59:32,835 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:32,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:32,836 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2020-07-28 18:59:32,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:32,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306764904] [2020-07-28 18:59:32,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:32,918 INFO L280 TraceCheckUtils]: 0: Hoare triple {2193#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string57.base, #t~string57.offset, 1);call write~init~int(80, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(117, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(109, #t~string57.base, 3 + #t~string57.offset, 1);call write~init~int(112, #t~string57.base, 4 + #t~string57.offset, 1);call write~init~int(58, #t~string57.base, 5 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 6 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string63.base, #t~string63.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string65.base, #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 1 + #t~string65.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,921 INFO L280 TraceCheckUtils]: 1: Hoare triple {2195#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,924 INFO L280 TraceCheckUtils]: 2: Hoare triple {2195#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,925 INFO L280 TraceCheckUtils]: 3: Hoare triple {2195#(= 0 ~pumpRunning~0)} main_#t~ret45 := valid_product_#res;assume -2147483648 <= main_#t~ret45 && main_#t~ret45 <= 2147483647;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,928 INFO L280 TraceCheckUtils]: 4: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,928 INFO L280 TraceCheckUtils]: 5: Hoare triple {2195#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,930 INFO L280 TraceCheckUtils]: 6: Hoare triple {2195#(= 0 ~pumpRunning~0)} havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,931 INFO L280 TraceCheckUtils]: 7: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume !false; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,932 INFO L280 TraceCheckUtils]: 8: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,932 INFO L280 TraceCheckUtils]: 9: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet67 && test_#t~nondet67 <= 2147483647;test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,933 INFO L280 TraceCheckUtils]: 10: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~7); {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,933 INFO L280 TraceCheckUtils]: 11: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet68 && test_#t~nondet68 <= 2147483647;test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,934 INFO L280 TraceCheckUtils]: 12: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~2; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,935 INFO L280 TraceCheckUtils]: 13: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,936 INFO L280 TraceCheckUtils]: 14: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,936 INFO L280 TraceCheckUtils]: 15: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,937 INFO L280 TraceCheckUtils]: 16: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,937 INFO L280 TraceCheckUtils]: 17: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,938 INFO L280 TraceCheckUtils]: 18: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,939 INFO L280 TraceCheckUtils]: 19: Hoare triple {2195#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,939 INFO L280 TraceCheckUtils]: 20: Hoare triple {2195#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {2195#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:59:32,943 INFO L280 TraceCheckUtils]: 21: Hoare triple {2195#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {2196#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:59:32,944 INFO L280 TraceCheckUtils]: 22: Hoare triple {2196#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret47 && __utac_acc__Specification2_spec__2_#t~ret47 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret47;havoc __utac_acc__Specification2_spec__2_#t~ret47; {2197#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} is VALID [2020-07-28 18:59:32,944 INFO L280 TraceCheckUtils]: 23: Hoare triple {2197#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {2194#false} is VALID [2020-07-28 18:59:32,945 INFO L280 TraceCheckUtils]: 24: Hoare triple {2194#false} assume 0 != ~methAndRunningLastTime~0; {2194#false} is VALID [2020-07-28 18:59:32,945 INFO L280 TraceCheckUtils]: 25: Hoare triple {2194#false} assume !false; {2194#false} is VALID [2020-07-28 18:59:32,947 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 18:59:32,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306764904] [2020-07-28 18:59:32,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:59:32,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:59:32,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286934448] [2020-07-28 18:59:32,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:32,948 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:32,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:32,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:32,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:32,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:32,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:32,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:59:32,996 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand 5 states. [2020-07-28 18:59:33,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:33,657 INFO L93 Difference]: Finished difference Result 289 states and 430 transitions. [2020-07-28 18:59:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:33,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:59:33,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2020-07-28 18:59:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2020-07-28 18:59:33,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 142 transitions. [2020-07-28 18:59:33,845 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:33,846 INFO L225 Difference]: With dead ends: 289 [2020-07-28 18:59:33,846 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:33,849 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 18:59:33,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:33,849 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:33,849 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:33,849 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:33,850 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:33,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:33,850 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:33,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:33,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:33,851 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:33,851 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:33,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:33,851 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:33,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:33,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:33,852 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:33,852 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:33,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-28 18:59:33,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:33,852 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:33,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:33,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:33,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:59:33,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:34,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:34,223 INFO L264 CegarLoopResult]: At program point L465(lines 460 468) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,223 INFO L264 CegarLoopResult]: At program point L465-1(lines 460 468) the Hoare annotation is: false [2020-07-28 18:59:34,223 INFO L264 CegarLoopResult]: At program point L465-2(lines 460 468) the Hoare annotation is: false [2020-07-28 18:59:34,223 INFO L268 CegarLoopResult]: For program point L845(lines 845 851) no Hoare annotation was computed. [2020-07-28 18:59:34,223 INFO L264 CegarLoopResult]: At program point L845-1(lines 845 851) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,223 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:34,224 INFO L268 CegarLoopResult]: For program point L697(lines 697 714) no Hoare annotation was computed. [2020-07-28 18:59:34,224 INFO L268 CegarLoopResult]: For program point L697-1(lines 697 714) no Hoare annotation was computed. [2020-07-28 18:59:34,224 INFO L268 CegarLoopResult]: For program point L697-2(lines 697 714) no Hoare annotation was computed. [2020-07-28 18:59:34,224 INFO L268 CegarLoopResult]: For program point L813(lines 813 819) no Hoare annotation was computed. [2020-07-28 18:59:34,224 INFO L264 CegarLoopResult]: At program point L813-1(lines 813 819) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,224 INFO L264 CegarLoopResult]: At program point L665(lines 664 683) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,224 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 671) no Hoare annotation was computed. [2020-07-28 18:59:34,224 INFO L264 CegarLoopResult]: At program point L665-2(lines 664 683) the Hoare annotation is: false [2020-07-28 18:59:34,225 INFO L264 CegarLoopResult]: At program point L665-3(lines 664 683) the Hoare annotation is: false [2020-07-28 18:59:34,225 INFO L268 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-07-28 18:59:34,225 INFO L264 CegarLoopResult]: At program point L633-1(lines 1 925) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,225 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-07-28 18:59:34,225 INFO L264 CegarLoopResult]: At program point L633-3(lines 1 925) the Hoare annotation is: false [2020-07-28 18:59:34,225 INFO L268 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2020-07-28 18:59:34,225 INFO L264 CegarLoopResult]: At program point L633-5(lines 1 925) the Hoare annotation is: false [2020-07-28 18:59:34,225 INFO L264 CegarLoopResult]: At program point L914(lines 1 925) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:34,225 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-07-28 18:59:34,225 INFO L268 CegarLoopResult]: For program point L865(lines 865 878) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L799-5(lines 799 803) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2020-07-28 18:59:34,226 INFO L271 CegarLoopResult]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2020-07-28 18:59:34,226 INFO L268 CegarLoopResult]: For program point L799-8(lines 799 803) no Hoare annotation was computed. [2020-07-28 18:59:34,227 INFO L264 CegarLoopResult]: At program point L750(lines 745 753) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,227 INFO L264 CegarLoopResult]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2020-07-28 18:59:34,227 INFO L264 CegarLoopResult]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2020-07-28 18:59:34,227 INFO L268 CegarLoopResult]: For program point L701(lines 701 709) no Hoare annotation was computed. [2020-07-28 18:59:34,227 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 709) no Hoare annotation was computed. [2020-07-28 18:59:34,227 INFO L268 CegarLoopResult]: For program point L701-2(lines 701 709) no Hoare annotation was computed. [2020-07-28 18:59:34,227 INFO L264 CegarLoopResult]: At program point L883(lines 834 884) the Hoare annotation is: false [2020-07-28 18:59:34,227 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:34,227 INFO L268 CegarLoopResult]: For program point L637(lines 637 647) no Hoare annotation was computed. [2020-07-28 18:59:34,228 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 647) no Hoare annotation was computed. [2020-07-28 18:59:34,228 INFO L268 CegarLoopResult]: For program point L637-4(lines 637 647) no Hoare annotation was computed. [2020-07-28 18:59:34,228 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:34,228 INFO L268 CegarLoopResult]: For program point L836(lines 835 882) no Hoare annotation was computed. [2020-07-28 18:59:34,228 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-07-28 18:59:34,228 INFO L264 CegarLoopResult]: At program point L572(lines 568 574) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:34,228 INFO L268 CegarLoopResult]: For program point L638-2(lines 638 644) no Hoare annotation was computed. [2020-07-28 18:59:34,229 INFO L264 CegarLoopResult]: At program point L506(lines 501 509) the Hoare annotation is: false [2020-07-28 18:59:34,229 INFO L268 CegarLoopResult]: For program point L638-4(lines 638 644) no Hoare annotation was computed. [2020-07-28 18:59:34,229 INFO L264 CegarLoopResult]: At program point L506-1(lines 501 509) the Hoare annotation is: false [2020-07-28 18:59:34,229 INFO L268 CegarLoopResult]: For program point L440(lines 440 444) no Hoare annotation was computed. [2020-07-28 18:59:34,229 INFO L264 CegarLoopResult]: At program point L506-2(lines 501 509) the Hoare annotation is: false [2020-07-28 18:59:34,229 INFO L264 CegarLoopResult]: At program point L622(lines 617 624) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:34,229 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 18:59:34,229 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 18:59:34,229 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 18:59:34,230 INFO L264 CegarLoopResult]: At program point L523-2(lines 523 537) the Hoare annotation is: false [2020-07-28 18:59:34,230 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-07-28 18:59:34,230 INFO L264 CegarLoopResult]: At program point L672(lines 672 678) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,230 INFO L264 CegarLoopResult]: At program point L672-1(lines 672 678) the Hoare annotation is: false [2020-07-28 18:59:34,230 INFO L264 CegarLoopResult]: At program point L672-2(lines 672 678) the Hoare annotation is: false [2020-07-28 18:59:34,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:34,230 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-28 18:59:34,230 INFO L268 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-07-28 18:59:34,230 INFO L264 CegarLoopResult]: At program point L871-1(lines 665 671) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,231 INFO L264 CegarLoopResult]: At program point L805(lines 790 808) the Hoare annotation is: false [2020-07-28 18:59:34,231 INFO L264 CegarLoopResult]: At program point L805-1(lines 790 808) the Hoare annotation is: false [2020-07-28 18:59:34,231 INFO L264 CegarLoopResult]: At program point L805-2(lines 790 808) the Hoare annotation is: false [2020-07-28 18:59:34,231 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-07-28 18:59:34,231 INFO L264 CegarLoopResult]: At program point L855-1(lines 855 861) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 18:59:34,231 INFO L264 CegarLoopResult]: At program point L922(lines 917 925) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:34,231 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-28 18:59:34,231 INFO L268 CegarLoopResult]: For program point L527-1(lines 665 671) no Hoare annotation was computed. [2020-07-28 18:59:34,232 INFO L268 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-07-28 18:59:34,232 INFO L268 CegarLoopResult]: For program point L428-3(lines 428 432) no Hoare annotation was computed. [2020-07-28 18:59:34,232 INFO L268 CegarLoopResult]: For program point L428-6(lines 428 432) no Hoare annotation was computed. [2020-07-28 18:59:34,232 INFO L271 CegarLoopResult]: At program point L610(lines 591 613) the Hoare annotation is: true [2020-07-28 18:59:34,232 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:34,232 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 18:59:34,237 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:34,238 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:34,238 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 18:59:34,239 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 18:59:34,239 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-28 18:59:34,240 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:34,240 WARN L170 areAnnotationChecker]: L836 has no Hoare annotation [2020-07-28 18:59:34,240 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L665-1 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L836 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L836 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L665-1 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L665-1 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L837 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L428-3 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L428-3 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L697-1 has no Hoare annotation [2020-07-28 18:59:34,241 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L697-1 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L697-1 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L799-3 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L633-2 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 18:59:34,242 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L799-3 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L799-3 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L633-2 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L633-2 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L799-5 has no Hoare annotation [2020-07-28 18:59:34,243 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 18:59:34,244 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 18:59:34,250 WARN L170 areAnnotationChecker]: L871 has no Hoare annotation [2020-07-28 18:59:34,250 WARN L170 areAnnotationChecker]: L871 has no Hoare annotation [2020-07-28 18:59:34,250 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 18:59:34,250 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 18:59:34,250 WARN L170 areAnnotationChecker]: L638-2 has no Hoare annotation [2020-07-28 18:59:34,250 WARN L170 areAnnotationChecker]: L638-2 has no Hoare annotation [2020-07-28 18:59:34,251 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 18:59:34,251 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 18:59:34,251 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 18:59:34,251 WARN L170 areAnnotationChecker]: L697 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L697 has no Hoare annotation [2020-07-28 18:59:34,252 WARN L170 areAnnotationChecker]: L697 has no Hoare annotation [2020-07-28 18:59:34,253 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2020-07-28 18:59:34,253 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L633 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L428-6 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L428-6 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L697-2 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L633 has no Hoare annotation [2020-07-28 18:59:34,254 WARN L170 areAnnotationChecker]: L633 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L697-2 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L697-2 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L799-2 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L799-6 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L633-4 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 18:59:34,255 WARN L170 areAnnotationChecker]: L799-6 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L799-6 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L633-4 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L633-4 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L799-8 has no Hoare annotation [2020-07-28 18:59:34,256 WARN L170 areAnnotationChecker]: L637-4 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L637-4 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L637-4 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L701-2 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L638-4 has no Hoare annotation [2020-07-28 18:59:34,257 WARN L170 areAnnotationChecker]: L638-4 has no Hoare annotation [2020-07-28 18:59:34,258 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:59:34,258 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 18:59:34,258 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:34,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:34 BoogieIcfgContainer [2020-07-28 18:59:34,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:34,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:34,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:34,299 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:34,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:59:28" (3/4) ... [2020-07-28 18:59:34,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:34,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:34,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:34,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:34,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:34,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:34,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:34,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:34,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:34,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:34,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive [2020-07-28 18:59:34,381 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 18:59:34,445 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:34,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:34,448 INFO L168 Benchmark]: Toolchain (without parser) took 8537.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:34,449 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:34,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:34,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.04 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 18:59:34,450 INFO L168 Benchmark]: Boogie Preprocessor took 41.66 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 18:59:34,451 INFO L168 Benchmark]: RCFGBuilder took 1502.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.6 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:34,451 INFO L168 Benchmark]: TraceAbstraction took 6113.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:34,451 INFO L168 Benchmark]: Witness Printer took 147.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:34,453 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.04 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. * Boogie Preprocessor took 41.66 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. * RCFGBuilder took 1502.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.6 MB in the end (delta: 144.8 MB). Peak memory consumption was 144.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6113.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Witness Printer took 147.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 462 SDslu, 588 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 146 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 141 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5537 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...