./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product26.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 28a54042f1f5566756557cd1279c2453038441ec .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:57:56,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:57:56,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:57:56,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:57:56,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:57:56,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:57:56,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:57:56,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:57:56,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:57:56,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:57:56,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:57:56,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:57:56,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:57:56,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:57:56,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:57:56,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:57:56,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:57:56,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:57:56,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:57:56,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:57:56,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:57:56,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:57:56,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:57:56,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:57:56,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:57:56,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:57:56,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:57:56,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:57:56,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:57:56,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:57:56,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:57:56,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:57:56,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:57:56,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:57:56,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:57:56,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:57:56,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:57:56,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:57:56,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:57:56,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:57:56,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:57:56,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:57:56,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:57:56,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:57:56,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:57:56,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:57:56,450 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:57:56,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:57:56,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:57:56,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:57:56,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:57:56,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:57:56,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:57:56,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:57:56,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:57:56,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:57:56,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:57:56,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:57:56,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:57:56,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:57:56,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:57:56,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:57:56,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:57:56,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:56,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:57:56,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:57:56,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:57:56,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:57:56,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:57:56,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:57:56,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:57:56,457 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 -> 28a54042f1f5566756557cd1279c2453038441ec [2020-07-28 18:57:56,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:57:56,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:57:56,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:57:56,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:57:56,835 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:57:56,836 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2020-07-28 18:57:56,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086bafb20/c8e78953aa82411f98e31b0bcdc21543/FLAG6c1074125 [2020-07-28 18:57:57,450 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:57:57,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2020-07-28 18:57:57,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086bafb20/c8e78953aa82411f98e31b0bcdc21543/FLAG6c1074125 [2020-07-28 18:57:57,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/086bafb20/c8e78953aa82411f98e31b0bcdc21543 [2020-07-28 18:57:57,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:57:57,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:57:57,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:57,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:57:57,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:57:57,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:57" (1/1) ... [2020-07-28 18:57:57,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcac801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:57, skipping insertion in model container [2020-07-28 18:57:57,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:57:57" (1/1) ... [2020-07-28 18:57:57,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:57:57,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:57:58,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:58,413 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:57:58,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:57:58,551 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:57:58,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58 WrapperNode [2020-07-28 18:57:58,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:57:58,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:58,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:57:58,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:57:58,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:57:58,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:57:58,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:57:58,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:57:58,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... [2020-07-28 18:57:58,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:57:58,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:57:58,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:57:58,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:57:58,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:57:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:57:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:57:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:57:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:00,180 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:00,181 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 18:58:00,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:00 BoogieIcfgContainer [2020-07-28 18:58:00,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:00,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:00,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:00,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:00,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:57:57" (1/3) ... [2020-07-28 18:58:00,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff3f9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:00, skipping insertion in model container [2020-07-28 18:58:00,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:57:58" (2/3) ... [2020-07-28 18:58:00,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff3f9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:00, skipping insertion in model container [2020-07-28 18:58:00,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:00" (3/3) ... [2020-07-28 18:58:00,195 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2020-07-28 18:58:00,206 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:00,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:00,228 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:00,251 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:00,251 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:00,251 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:00,252 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:00,252 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:00,252 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:00,252 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:00,253 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 18:58:00,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:00,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:00,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:00,280 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:00,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:00,285 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2020-07-28 18:58:00,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:00,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483803381] [2020-07-28 18:58:00,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:00,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {78#true} is VALID [2020-07-28 18:58:00,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; {78#true} is VALID [2020-07-28 18:58:00,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {78#true} is VALID [2020-07-28 18:58:00,679 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {78#true} is VALID [2020-07-28 18:58:00,680 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~1; {78#true} is VALID [2020-07-28 18:58:00,681 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 18:58:00,682 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 18:58:00,682 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 18:58:00,683 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 18:58:00,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 18:58:00,684 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {79#false} is VALID [2020-07-28 18:58:00,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {79#false} is VALID [2020-07-28 18:58:00,685 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {79#false} is VALID [2020-07-28 18:58:00,685 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification1_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret12 && __utac_acc__Specification1_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; {79#false} is VALID [2020-07-28 18:58:00,685 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {79#false} is VALID [2020-07-28 18:58:00,686 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 18:58:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:00,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483803381] [2020-07-28 18:58:00,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:00,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:00,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518466010] [2020-07-28 18:58:00,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:00,702 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:00,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:00,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:00,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:00,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:00,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:00,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:00,763 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 18:58:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:01,024 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 18:58:01,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:01,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:01,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:01,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 18:58:01,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 18:58:01,045 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 18:58:01,332 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:01,354 INFO L225 Difference]: With dead ends: 144 [2020-07-28 18:58:01,354 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:58:01,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:01,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:58:01,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:58:01,421 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:01,422 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:01,423 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:01,423 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:01,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:01,433 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 18:58:01,433 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 18:58:01,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:01,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:01,436 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:01,436 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:01,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:01,456 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 18:58:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 18:58:01,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:01,459 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:01,459 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:01,460 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:58:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 18:58:01,476 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-07-28 18:58:01,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:01,476 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 18:58:01,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 18:58:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:01,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:01,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:01,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:01,480 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:01,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:01,481 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2020-07-28 18:58:01,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:01,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157839978] [2020-07-28 18:58:01,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:01,601 INFO L280 TraceCheckUtils]: 0: Hoare triple {527#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {527#true} is VALID [2020-07-28 18:58:01,602 INFO L280 TraceCheckUtils]: 1: Hoare triple {527#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; {527#true} is VALID [2020-07-28 18:58:01,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {527#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {527#true} is VALID [2020-07-28 18:58:01,602 INFO L280 TraceCheckUtils]: 3: Hoare triple {527#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {527#true} is VALID [2020-07-28 18:58:01,603 INFO L280 TraceCheckUtils]: 4: Hoare triple {527#true} assume 0 != main_~tmp~1; {527#true} is VALID [2020-07-28 18:58:01,605 INFO L280 TraceCheckUtils]: 5: Hoare triple {527#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:01,606 INFO L280 TraceCheckUtils]: 6: Hoare triple {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:01,606 INFO L280 TraceCheckUtils]: 7: Hoare triple {529#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {528#false} is VALID [2020-07-28 18:58:01,607 INFO L280 TraceCheckUtils]: 8: Hoare triple {528#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {528#false} is VALID [2020-07-28 18:58:01,607 INFO L280 TraceCheckUtils]: 9: Hoare triple {528#false} assume !(0 != ~pumpRunning~0); {528#false} is VALID [2020-07-28 18:58:01,608 INFO L280 TraceCheckUtils]: 10: Hoare triple {528#false} assume !(0 != ~systemActive~0); {528#false} is VALID [2020-07-28 18:58:01,608 INFO L280 TraceCheckUtils]: 11: Hoare triple {528#false} havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {528#false} is VALID [2020-07-28 18:58:01,609 INFO L280 TraceCheckUtils]: 12: Hoare triple {528#false} __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {528#false} is VALID [2020-07-28 18:58:01,609 INFO L280 TraceCheckUtils]: 13: Hoare triple {528#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {528#false} is VALID [2020-07-28 18:58:01,609 INFO L280 TraceCheckUtils]: 14: Hoare triple {528#false} __utac_acc__Specification1_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret12 && __utac_acc__Specification1_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; {528#false} is VALID [2020-07-28 18:58:01,609 INFO L280 TraceCheckUtils]: 15: Hoare triple {528#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {528#false} is VALID [2020-07-28 18:58:01,610 INFO L280 TraceCheckUtils]: 16: Hoare triple {528#false} assume !false; {528#false} is VALID [2020-07-28 18:58:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:01,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157839978] [2020-07-28 18:58:01,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:01,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:01,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066313640] [2020-07-28 18:58:01,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:01,614 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:01,614 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:01,646 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:01,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:01,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:01,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:01,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:01,648 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 18:58:01,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:01,848 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 18:58:01,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:01,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:01,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 18:58:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 18:58:01,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 18:58:01,987 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:01,989 INFO L225 Difference]: With dead ends: 71 [2020-07-28 18:58:01,989 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:58:01,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:01,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:58:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:58:02,006 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:02,006 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,006 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,006 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:02,009 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:58:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:58:02,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:02,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:02,010 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,010 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:02,013 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 18:58:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:58:02,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:02,014 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:02,015 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:02,015 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:02,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:58:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 18:58:02,017 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 18:58:02,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:02,018 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 18:58:02,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 18:58:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:02,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:02,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:02,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:02,020 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:02,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:02,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2020-07-28 18:58:02,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:02,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335899313] [2020-07-28 18:58:02,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:02,133 INFO L280 TraceCheckUtils]: 0: Hoare triple {744#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {744#true} is VALID [2020-07-28 18:58:02,133 INFO L280 TraceCheckUtils]: 1: Hoare triple {744#true} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; {744#true} is VALID [2020-07-28 18:58:02,134 INFO L280 TraceCheckUtils]: 2: Hoare triple {744#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {744#true} is VALID [2020-07-28 18:58:02,134 INFO L280 TraceCheckUtils]: 3: Hoare triple {744#true} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {744#true} is VALID [2020-07-28 18:58:02,134 INFO L280 TraceCheckUtils]: 4: Hoare triple {744#true} assume 0 != main_~tmp~1; {744#true} is VALID [2020-07-28 18:58:02,135 INFO L280 TraceCheckUtils]: 5: Hoare triple {744#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {744#true} is VALID [2020-07-28 18:58:02,136 INFO L280 TraceCheckUtils]: 6: Hoare triple {744#true} assume !false; {744#true} is VALID [2020-07-28 18:58:02,136 INFO L280 TraceCheckUtils]: 7: Hoare triple {744#true} assume test_~splverifierCounter~0 < 4; {744#true} is VALID [2020-07-28 18:58:02,136 INFO L280 TraceCheckUtils]: 8: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; {744#true} is VALID [2020-07-28 18:58:02,137 INFO L280 TraceCheckUtils]: 9: Hoare triple {744#true} assume !(0 != test_~tmp~8); {744#true} is VALID [2020-07-28 18:58:02,137 INFO L280 TraceCheckUtils]: 10: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {744#true} is VALID [2020-07-28 18:58:02,137 INFO L280 TraceCheckUtils]: 11: Hoare triple {744#true} assume !(0 != test_~tmp___0~2); {744#true} is VALID [2020-07-28 18:58:02,138 INFO L280 TraceCheckUtils]: 12: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {744#true} is VALID [2020-07-28 18:58:02,140 INFO L280 TraceCheckUtils]: 13: Hoare triple {744#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {746#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:02,141 INFO L280 TraceCheckUtils]: 14: Hoare triple {746#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {746#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:02,142 INFO L280 TraceCheckUtils]: 15: Hoare triple {746#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {745#false} is VALID [2020-07-28 18:58:02,142 INFO L280 TraceCheckUtils]: 16: Hoare triple {745#false} havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {745#false} is VALID [2020-07-28 18:58:02,142 INFO L280 TraceCheckUtils]: 17: Hoare triple {745#false} __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {745#false} is VALID [2020-07-28 18:58:02,143 INFO L280 TraceCheckUtils]: 18: Hoare triple {745#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {745#false} is VALID [2020-07-28 18:58:02,143 INFO L280 TraceCheckUtils]: 19: Hoare triple {745#false} __utac_acc__Specification1_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret12 && __utac_acc__Specification1_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; {745#false} is VALID [2020-07-28 18:58:02,146 INFO L280 TraceCheckUtils]: 20: Hoare triple {745#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {745#false} is VALID [2020-07-28 18:58:02,172 INFO L280 TraceCheckUtils]: 21: Hoare triple {745#false} assume !false; {745#false} is VALID [2020-07-28 18:58:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:02,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335899313] [2020-07-28 18:58:02,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:02,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:02,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788900608] [2020-07-28 18:58:02,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:02,175 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:02,175 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:02,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:02,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:02,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:02,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:02,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:02,218 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 18:58:02,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:02,389 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 18:58:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:02,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:02,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 18:58:02,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 18:58:02,393 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 86 transitions. [2020-07-28 18:58:02,507 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:02,508 INFO L225 Difference]: With dead ends: 60 [2020-07-28 18:58:02,508 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 18:58:02,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:02,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 18:58:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 18:58:02,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:02,533 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,534 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,534 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:02,536 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 18:58:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:58:02,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:02,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:02,537 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,537 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 18:58:02,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:02,539 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 18:58:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:58:02,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:02,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:02,540 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:02,540 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 18:58:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 18:58:02,542 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-07-28 18:58:02,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:02,543 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 18:58:02,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 18:58:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 18:58:02,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:02,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:02,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:02,545 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:02,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:02,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2020-07-28 18:58:02,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:02,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763317983] [2020-07-28 18:58:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:02,678 INFO L280 TraceCheckUtils]: 0: Hoare triple {944#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,679 INFO L280 TraceCheckUtils]: 1: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,680 INFO L280 TraceCheckUtils]: 2: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,681 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,682 INFO L280 TraceCheckUtils]: 4: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~1; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,682 INFO L280 TraceCheckUtils]: 5: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,685 INFO L280 TraceCheckUtils]: 6: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume !false; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,687 INFO L280 TraceCheckUtils]: 7: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,688 INFO L280 TraceCheckUtils]: 8: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,688 INFO L280 TraceCheckUtils]: 9: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~8); {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,689 INFO L280 TraceCheckUtils]: 10: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,690 INFO L280 TraceCheckUtils]: 11: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,690 INFO L280 TraceCheckUtils]: 12: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,691 INFO L280 TraceCheckUtils]: 13: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,692 INFO L280 TraceCheckUtils]: 14: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,692 INFO L280 TraceCheckUtils]: 15: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,693 INFO L280 TraceCheckUtils]: 16: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {946#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:02,694 INFO L280 TraceCheckUtils]: 17: Hoare triple {946#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {947#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:02,695 INFO L280 TraceCheckUtils]: 18: Hoare triple {947#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {948#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} is VALID [2020-07-28 18:58:02,696 INFO L280 TraceCheckUtils]: 19: Hoare triple {948#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {945#false} is VALID [2020-07-28 18:58:02,696 INFO L280 TraceCheckUtils]: 20: Hoare triple {945#false} __utac_acc__Specification1_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret12 && __utac_acc__Specification1_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; {945#false} is VALID [2020-07-28 18:58:02,697 INFO L280 TraceCheckUtils]: 21: Hoare triple {945#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {945#false} is VALID [2020-07-28 18:58:02,697 INFO L280 TraceCheckUtils]: 22: Hoare triple {945#false} assume !false; {945#false} is VALID [2020-07-28 18:58:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:02,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763317983] [2020-07-28 18:58:02,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:02,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:02,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482700819] [2020-07-28 18:58:02,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:58:02,701 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:02,701 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:02,734 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:02,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:02,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:02,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:02,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:02,736 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-07-28 18:58:03,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:03,312 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-07-28 18:58:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:03,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 18:58:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 223 transitions. [2020-07-28 18:58:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 223 transitions. [2020-07-28 18:58:03,322 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 223 transitions. [2020-07-28 18:58:03,584 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 223 edges. 223 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:03,590 INFO L225 Difference]: With dead ends: 151 [2020-07-28 18:58:03,591 INFO L226 Difference]: Without dead ends: 124 [2020-07-28 18:58:03,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:03,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-28 18:58:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-07-28 18:58:03,664 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:03,665 INFO L82 GeneralOperation]: Start isEquivalent. First operand 124 states. Second operand 56 states. [2020-07-28 18:58:03,665 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 56 states. [2020-07-28 18:58:03,665 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 56 states. [2020-07-28 18:58:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:03,670 INFO L93 Difference]: Finished difference Result 124 states and 181 transitions. [2020-07-28 18:58:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2020-07-28 18:58:03,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:03,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:03,672 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 124 states. [2020-07-28 18:58:03,672 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 124 states. [2020-07-28 18:58:03,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:03,678 INFO L93 Difference]: Finished difference Result 124 states and 181 transitions. [2020-07-28 18:58:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2020-07-28 18:58:03,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:03,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:03,679 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:03,679 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-28 18:58:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-07-28 18:58:03,681 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-07-28 18:58:03,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:03,682 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-07-28 18:58:03,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-07-28 18:58:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:03,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:03,683 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 18:58:03,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:03,683 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:03,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:03,684 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2020-07-28 18:58:03,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:03,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523485631] [2020-07-28 18:58:03,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:03,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {1496#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(13);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {1498#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,769 INFO L280 TraceCheckUtils]: 2: Hoare triple {1498#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,769 INFO L280 TraceCheckUtils]: 3: Hoare triple {1498#(= 0 ~pumpRunning~0)} main_#t~ret13 := valid_product_#res;assume -2147483648 <= main_#t~ret13 && main_#t~ret13 <= 2147483647;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,770 INFO L280 TraceCheckUtils]: 4: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,770 INFO L280 TraceCheckUtils]: 5: Hoare triple {1498#(= 0 ~pumpRunning~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,771 INFO L280 TraceCheckUtils]: 6: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume !false; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,773 INFO L280 TraceCheckUtils]: 7: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,773 INFO L280 TraceCheckUtils]: 8: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,774 INFO L280 TraceCheckUtils]: 9: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~8); {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,775 INFO L280 TraceCheckUtils]: 10: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,776 INFO L280 TraceCheckUtils]: 11: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~2; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,778 INFO L280 TraceCheckUtils]: 12: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,779 INFO L280 TraceCheckUtils]: 13: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,786 INFO L280 TraceCheckUtils]: 14: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,787 INFO L280 TraceCheckUtils]: 15: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,788 INFO L280 TraceCheckUtils]: 16: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,789 INFO L280 TraceCheckUtils]: 17: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,789 INFO L280 TraceCheckUtils]: 18: Hoare triple {1498#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,790 INFO L280 TraceCheckUtils]: 19: Hoare triple {1498#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret11 && __utac_acc__Specification1_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; {1498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:03,791 INFO L280 TraceCheckUtils]: 20: Hoare triple {1498#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1499#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:03,793 INFO L280 TraceCheckUtils]: 21: Hoare triple {1499#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret12 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret12 && __utac_acc__Specification1_spec__1_#t~ret12 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; {1500#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:03,794 INFO L280 TraceCheckUtils]: 22: Hoare triple {1500#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1497#false} is VALID [2020-07-28 18:58:03,794 INFO L280 TraceCheckUtils]: 23: Hoare triple {1497#false} assume !false; {1497#false} is VALID [2020-07-28 18:58:03,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:03,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523485631] [2020-07-28 18:58:03,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:03,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:03,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508563479] [2020-07-28 18:58:03,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:58:03,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:03,797 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:03,834 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 18:58:03,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:03,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:03,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:03,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:03,836 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-07-28 18:58:04,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:04,331 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-07-28 18:58:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:58:04,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 18:58:04,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2020-07-28 18:58:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 123 transitions. [2020-07-28 18:58:04,335 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 123 transitions. [2020-07-28 18:58:04,469 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:04,469 INFO L225 Difference]: With dead ends: 148 [2020-07-28 18:58:04,469 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:58:04,470 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 18:58:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:58:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:58:04,471 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:04,471 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:04,471 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:04,471 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:04,471 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:58:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:04,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:04,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:04,472 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:04,472 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:04,472 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:58:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:04,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:04,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:04,473 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:04,473 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:58:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:58:04,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 18:58:04,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:04,474 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:58:04,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:04,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:04,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:04,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:58:04,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-07-28 18:58:04,829 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-07-28 18:58:04,829 INFO L264 CegarLoopResult]: At program point L184-1(lines 1 922) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,829 INFO L268 CegarLoopResult]: For program point L184-2(lines 184 197) no Hoare annotation was computed. [2020-07-28 18:58:04,830 INFO L264 CegarLoopResult]: At program point L184-3(lines 1 922) the Hoare annotation is: false [2020-07-28 18:58:04,830 INFO L268 CegarLoopResult]: For program point L184-4(lines 184 197) no Hoare annotation was computed. [2020-07-28 18:58:04,830 INFO L264 CegarLoopResult]: At program point L184-5(lines 1 922) the Hoare annotation is: false [2020-07-28 18:58:04,830 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-07-28 18:58:04,830 INFO L264 CegarLoopResult]: At program point L878-1(lines 878 884) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:58:04,830 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-28 18:58:04,830 INFO L268 CegarLoopResult]: For program point L218-1(lines 311 317) no Hoare annotation was computed. [2020-07-28 18:58:04,831 INFO L264 CegarLoopResult]: At program point L169(lines 164 172) the Hoare annotation is: false [2020-07-28 18:58:04,831 INFO L264 CegarLoopResult]: At program point L169-1(lines 164 172) the Hoare annotation is: false [2020-07-28 18:58:04,831 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-28 18:58:04,831 INFO L264 CegarLoopResult]: At program point L169-2(lines 164 172) the Hoare annotation is: false [2020-07-28 18:58:04,831 INFO L268 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-07-28 18:58:04,831 INFO L264 CegarLoopResult]: At program point L896-2(lines 311 317) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,831 INFO L264 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,832 INFO L264 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: false [2020-07-28 18:58:04,832 INFO L264 CegarLoopResult]: At program point L318-2(lines 318 324) the Hoare annotation is: false [2020-07-28 18:58:04,832 INFO L268 CegarLoopResult]: For program point L287(lines 287 294) no Hoare annotation was computed. [2020-07-28 18:58:04,832 INFO L271 CegarLoopResult]: At program point L287-1(lines 287 294) the Hoare annotation is: true [2020-07-28 18:58:04,832 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-28 18:58:04,832 INFO L268 CegarLoopResult]: For program point L188-2(lines 188 194) no Hoare annotation was computed. [2020-07-28 18:58:04,832 INFO L268 CegarLoopResult]: For program point L188-4(lines 188 194) no Hoare annotation was computed. [2020-07-28 18:58:04,833 INFO L264 CegarLoopResult]: At program point L469(lines 454 472) the Hoare annotation is: false [2020-07-28 18:58:04,833 INFO L264 CegarLoopResult]: At program point L469-1(lines 454 472) the Hoare annotation is: false [2020-07-28 18:58:04,833 INFO L264 CegarLoopResult]: At program point L469-2(lines 454 472) the Hoare annotation is: false [2020-07-28 18:58:04,833 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:58:04,833 INFO L268 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-07-28 18:58:04,834 INFO L268 CegarLoopResult]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2020-07-28 18:58:04,834 INFO L268 CegarLoopResult]: For program point L91-6(lines 91 95) no Hoare annotation was computed. [2020-07-28 18:58:04,834 INFO L268 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-07-28 18:58:04,834 INFO L264 CegarLoopResult]: At program point L868-1(lines 868 874) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-07-28 18:58:04,834 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-28 18:58:04,834 INFO L268 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-07-28 18:58:04,835 INFO L268 CegarLoopResult]: For program point L919-2(line 919) no Hoare annotation was computed. [2020-07-28 18:58:04,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:58:04,835 INFO L264 CegarLoopResult]: At program point L128(lines 123 131) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,835 INFO L264 CegarLoopResult]: At program point L128-1(lines 123 131) the Hoare annotation is: false [2020-07-28 18:58:04,835 INFO L264 CegarLoopResult]: At program point L128-2(lines 123 131) the Hoare annotation is: false [2020-07-28 18:58:04,835 INFO L268 CegarLoopResult]: For program point L888(lines 888 901) no Hoare annotation was computed. [2020-07-28 18:58:04,835 INFO L268 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2020-07-28 18:58:04,836 INFO L268 CegarLoopResult]: For program point L343-1(lines 343 360) no Hoare annotation was computed. [2020-07-28 18:58:04,836 INFO L268 CegarLoopResult]: For program point L343-2(lines 343 360) no Hoare annotation was computed. [2020-07-28 18:58:04,836 INFO L264 CegarLoopResult]: At program point L311(lines 310 329) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,836 INFO L268 CegarLoopResult]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2020-07-28 18:58:04,836 INFO L264 CegarLoopResult]: At program point L311-2(lines 310 329) the Hoare annotation is: false [2020-07-28 18:58:04,837 INFO L264 CegarLoopResult]: At program point L311-3(lines 310 329) the Hoare annotation is: false [2020-07-28 18:58:04,837 INFO L264 CegarLoopResult]: At program point L906(lines 857 907) the Hoare annotation is: false [2020-07-28 18:58:04,837 INFO L271 CegarLoopResult]: At program point L296(lines 277 299) the Hoare annotation is: true [2020-07-28 18:58:04,837 INFO L264 CegarLoopResult]: At program point L263(lines 259 265) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,837 INFO L264 CegarLoopResult]: At program point L65(lines 1 922) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,837 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L264 CegarLoopResult]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point L859(lines 858 905) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 355) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2020-07-28 18:58:04,838 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L268 CegarLoopResult]: For program point L463-3(lines 463 467) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L268 CegarLoopResult]: For program point L463-5(lines 463 467) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L268 CegarLoopResult]: For program point L463-6(lines 463 467) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L268 CegarLoopResult]: For program point L463-8(lines 463 467) no Hoare annotation was computed. [2020-07-28 18:58:04,839 INFO L264 CegarLoopResult]: At program point L414(lines 409 417) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:04,840 INFO L264 CegarLoopResult]: At program point L414-1(lines 409 417) the Hoare annotation is: false [2020-07-28 18:58:04,840 INFO L268 CegarLoopResult]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-07-28 18:58:04,840 INFO L264 CegarLoopResult]: At program point L414-2(lines 409 417) the Hoare annotation is: false [2020-07-28 18:58:04,845 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:04,845 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:04,846 WARN L170 areAnnotationChecker]: L287 has no Hoare annotation [2020-07-28 18:58:04,846 WARN L170 areAnnotationChecker]: L287 has no Hoare annotation [2020-07-28 18:58:04,846 WARN L170 areAnnotationChecker]: L287 has no Hoare annotation [2020-07-28 18:58:04,848 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 18:58:04,848 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:04,848 WARN L170 areAnnotationChecker]: L311-1 has no Hoare annotation [2020-07-28 18:58:04,848 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 18:58:04,848 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 18:58:04,848 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L311-1 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L311-1 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L91-3 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L91-3 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:58:04,849 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L463-3 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L184-2 has no Hoare annotation [2020-07-28 18:58:04,850 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L878 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L463-3 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L463-3 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L184-2 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L184-2 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 18:58:04,851 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L463-5 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L188-2 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L347-1 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L188-2 has no Hoare annotation [2020-07-28 18:58:04,852 WARN L170 areAnnotationChecker]: L188-2 has no Hoare annotation [2020-07-28 18:58:04,853 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2020-07-28 18:58:04,853 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L347-1 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L347-1 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L919-1 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L919-1 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2020-07-28 18:58:04,854 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:04,855 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:04,855 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 18:58:04,855 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-28 18:58:04,856 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-28 18:58:04,856 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 18:58:04,856 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L218-1 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L218-1 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L463 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L91-6 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L91-6 has no Hoare annotation [2020-07-28 18:58:04,857 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L463 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L463 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-28 18:58:04,858 WARN L170 areAnnotationChecker]: L463-2 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L463-6 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L184-4 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L463-6 has no Hoare annotation [2020-07-28 18:58:04,859 WARN L170 areAnnotationChecker]: L463-6 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L184-4 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L184-4 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L919 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L919 has no Hoare annotation [2020-07-28 18:58:04,860 WARN L170 areAnnotationChecker]: L463-8 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L188-4 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L347-2 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L188-4 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L188-4 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L347-2 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L347-2 has no Hoare annotation [2020-07-28 18:58:04,861 WARN L170 areAnnotationChecker]: L919-2 has no Hoare annotation [2020-07-28 18:58:04,862 WARN L170 areAnnotationChecker]: L919-2 has no Hoare annotation [2020-07-28 18:58:04,862 INFO L163 areAnnotationChecker]: CFG has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:04,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:04 BoogieIcfgContainer [2020-07-28 18:58:04,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:04,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:04,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:04,883 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:04,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:00" (3/4) ... [2020-07-28 18:58:04,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:58:04,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:58:04,905 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:58:04,906 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:58:04,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:58:04,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:58:04,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:58:04,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:58:04,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 18:58:05,006 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:05,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:05,010 INFO L168 Benchmark]: Toolchain (without parser) took 7092.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 962.9 MB in the beginning and 790.1 MB in the end (delta: 172.9 MB). Peak memory consumption was 357.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:05,010 INFO L168 Benchmark]: CDTParser took 0.30 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 18:58:05,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -117.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:05,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:05,012 INFO L168 Benchmark]: Boogie Preprocessor took 49.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:05,012 INFO L168 Benchmark]: RCFGBuilder took 1484.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 926.2 MB in the end (delta: 142.0 MB). Peak memory consumption was 142.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:05,013 INFO L168 Benchmark]: TraceAbstraction took 4694.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 926.2 MB in the beginning and 798.2 MB in the end (delta: 128.1 MB). Peak memory consumption was 218.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:05,013 INFO L168 Benchmark]: Witness Printer took 124.45 ms. Allocated memory is still 1.2 GB. Free memory was 798.2 MB in the beginning and 790.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:05,015 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 0.30 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 632.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -117.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1484.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 926.2 MB in the end (delta: 142.0 MB). Peak memory consumption was 142.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4694.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.2 MB). Free memory was 926.2 MB in the beginning and 798.2 MB in the end (delta: 128.1 MB). Peak memory consumption was 218.2 MB. Max. memory is 11.5 GB. * Witness Printer took 124.45 ms. Allocated memory is still 1.2 GB. Free memory was 798.2 MB in the beginning and 790.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 919]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 919]: 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: 868]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 311 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1115 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 180 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...