./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product18.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_spec4_product18.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 7139998cc0921a9b712bced77cbd2064338f38d5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:03:04,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:04,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:04,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:04,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:04,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:04,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:04,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:04,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:04,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:04,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:04,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:04,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:04,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:04,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:04,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:04,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:04,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:04,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:04,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:04,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:04,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:04,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:04,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:04,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:04,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:04,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:04,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:04,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:04,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:04,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:04,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:04,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:04,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:04,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:04,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:04,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:04,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:04,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:04,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:04,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:04,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:04,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:04,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:04,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:04,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:04,480 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:04,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:04,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:04,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:04,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:04,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:04,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:04,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:04,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:04,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:04,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:04,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:04,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:04,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:04,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:04,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:04,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:04,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:04,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:04,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:04,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:04,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:04,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:04,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:04,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:04,487 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 -> 7139998cc0921a9b712bced77cbd2064338f38d5 [2020-07-28 19:03:04,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:04,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:04,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:04,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:04,859 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:04,859 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-07-28 19:03:04,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e550c7e0c/8723613e387c45359c55ddf3749cf1b3/FLAGdff35dde0 [2020-07-28 19:03:05,475 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:05,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-07-28 19:03:05,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e550c7e0c/8723613e387c45359c55ddf3749cf1b3/FLAGdff35dde0 [2020-07-28 19:03:05,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e550c7e0c/8723613e387c45359c55ddf3749cf1b3 [2020-07-28 19:03:05,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:05,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:05,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:05,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:05,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:05,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17def24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:05, skipping insertion in model container [2020-07-28 19:03:05,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:05" (1/1) ... [2020-07-28 19:03:05,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:05,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:06,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:06,336 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:06,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:06,523 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:06,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06 WrapperNode [2020-07-28 19:03:06,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:06,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:06,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:06,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:06,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:06,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:06,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:06,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:06,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... [2020-07-28 19:03:06,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:06,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:06,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:06,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:06,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:06,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:08,333 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:08,334 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 19:03:08,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:08 BoogieIcfgContainer [2020-07-28 19:03:08,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:08,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:08,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:08,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:08,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:05" (1/3) ... [2020-07-28 19:03:08,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50aa10c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:08, skipping insertion in model container [2020-07-28 19:03:08,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:06" (2/3) ... [2020-07-28 19:03:08,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50aa10c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:08, skipping insertion in model container [2020-07-28 19:03:08,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:08" (3/3) ... [2020-07-28 19:03:08,352 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2020-07-28 19:03:08,363 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:08,374 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:08,391 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:08,424 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:08,424 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:08,425 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:08,426 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:08,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:08,427 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:08,427 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:08,427 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-28 19:03:08,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:08,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:08,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:08,459 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:08,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:08,466 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2020-07-28 19:03:08,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:08,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698089149] [2020-07-28 19:03:08,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:08,820 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {78#true} is VALID [2020-07-28 19:03:08,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#true} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {78#true} is VALID [2020-07-28 19:03:08,821 INFO L280 TraceCheckUtils]: 2: Hoare triple {78#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {78#true} is VALID [2020-07-28 19:03:08,821 INFO L280 TraceCheckUtils]: 3: Hoare triple {78#true} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {78#true} is VALID [2020-07-28 19:03:08,822 INFO L280 TraceCheckUtils]: 4: Hoare triple {78#true} assume 0 != main_~tmp~3; {78#true} is VALID [2020-07-28 19:03:08,822 INFO L280 TraceCheckUtils]: 5: Hoare triple {78#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {78#true} is VALID [2020-07-28 19:03:08,824 INFO L280 TraceCheckUtils]: 6: Hoare triple {78#true} assume false; {79#false} is VALID [2020-07-28 19:03:08,824 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {79#false} is VALID [2020-07-28 19:03:08,824 INFO L280 TraceCheckUtils]: 8: Hoare triple {79#false} assume !(0 != ~pumpRunning~0); {79#false} is VALID [2020-07-28 19:03:08,825 INFO L280 TraceCheckUtils]: 9: Hoare triple {79#false} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-28 19:03:08,825 INFO L280 TraceCheckUtils]: 10: Hoare triple {79#false} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {79#false} is VALID [2020-07-28 19:03:08,826 INFO L280 TraceCheckUtils]: 11: Hoare triple {79#false} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {79#false} is VALID [2020-07-28 19:03:08,826 INFO L280 TraceCheckUtils]: 12: Hoare triple {79#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {79#false} is VALID [2020-07-28 19:03:08,826 INFO L280 TraceCheckUtils]: 13: Hoare triple {79#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {79#false} is VALID [2020-07-28 19:03:08,827 INFO L280 TraceCheckUtils]: 14: Hoare triple {79#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {79#false} is VALID [2020-07-28 19:03:08,827 INFO L280 TraceCheckUtils]: 15: Hoare triple {79#false} assume !false; {79#false} is VALID [2020-07-28 19:03:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:08,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698089149] [2020-07-28 19:03:08,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:08,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:08,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375625977] [2020-07-28 19:03:08,840 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:08,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:08,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:08,888 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 19:03:08,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:08,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:08,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:08,901 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-07-28 19:03:09,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,173 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-07-28 19:03:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:09,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:03:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 215 transitions. [2020-07-28 19:03:09,200 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 215 transitions. [2020-07-28 19:03:09,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 215 edges. 215 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:09,536 INFO L225 Difference]: With dead ends: 144 [2020-07-28 19:03:09,537 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 19:03:09,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 19:03:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 19:03:09,606 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:09,607 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:09,608 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:09,608 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:09,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,616 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:09,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,619 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:09,619 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 19:03:09,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,637 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:09,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,641 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:09,641 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 19:03:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-07-28 19:03:09,652 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-07-28 19:03:09,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:09,652 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-07-28 19:03:09,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-07-28 19:03:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:09,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:09,657 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 19:03:09,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:09,658 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:09,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:09,659 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2020-07-28 19:03:09,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:09,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102992729] [2020-07-28 19:03:09,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:09,858 INFO L280 TraceCheckUtils]: 0: Hoare triple {527#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {527#true} is VALID [2020-07-28 19:03:09,859 INFO L280 TraceCheckUtils]: 1: Hoare triple {527#true} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {527#true} is VALID [2020-07-28 19:03:09,859 INFO L280 TraceCheckUtils]: 2: Hoare triple {527#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {527#true} is VALID [2020-07-28 19:03:09,860 INFO L280 TraceCheckUtils]: 3: Hoare triple {527#true} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {527#true} is VALID [2020-07-28 19:03:09,860 INFO L280 TraceCheckUtils]: 4: Hoare triple {527#true} assume 0 != main_~tmp~3; {527#true} is VALID [2020-07-28 19:03:09,861 INFO L280 TraceCheckUtils]: 5: Hoare triple {527#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;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 19:03:09,861 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 19:03:09,862 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 19:03:09,863 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 19:03:09,863 INFO L280 TraceCheckUtils]: 9: Hoare triple {528#false} assume !(0 != ~pumpRunning~0); {528#false} is VALID [2020-07-28 19:03:09,863 INFO L280 TraceCheckUtils]: 10: Hoare triple {528#false} assume !(0 != ~systemActive~0); {528#false} is VALID [2020-07-28 19:03:09,864 INFO L280 TraceCheckUtils]: 11: Hoare triple {528#false} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {528#false} is VALID [2020-07-28 19:03:09,864 INFO L280 TraceCheckUtils]: 12: Hoare triple {528#false} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {528#false} is VALID [2020-07-28 19:03:09,864 INFO L280 TraceCheckUtils]: 13: Hoare triple {528#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {528#false} is VALID [2020-07-28 19:03:09,864 INFO L280 TraceCheckUtils]: 14: Hoare triple {528#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {528#false} is VALID [2020-07-28 19:03:09,865 INFO L280 TraceCheckUtils]: 15: Hoare triple {528#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {528#false} is VALID [2020-07-28 19:03:09,865 INFO L280 TraceCheckUtils]: 16: Hoare triple {528#false} assume !false; {528#false} is VALID [2020-07-28 19:03:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:09,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102992729] [2020-07-28 19:03:09,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:09,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:09,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611635146] [2020-07-28 19:03:09,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:09,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:09,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:09,896 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 19:03:09,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:09,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:09,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:09,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:09,898 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-07-28 19:03:10,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,131 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-07-28 19:03:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:10,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:03:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2020-07-28 19:03:10,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 99 transitions. [2020-07-28 19:03:10,293 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:10,295 INFO L225 Difference]: With dead ends: 71 [2020-07-28 19:03:10,295 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:10,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:10,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:10,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:10,317 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:10,318 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,318 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,318 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,324 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:10,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:10,325 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:10,326 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,326 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,328 INFO L93 Difference]: Finished difference Result 33 states and 46 transitions. [2020-07-28 19:03:10,328 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:10,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:10,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:10,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:10,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-07-28 19:03:10,331 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-07-28 19:03:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:10,332 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-07-28 19:03:10,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:10,333 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-07-28 19:03:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:10,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:10,334 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 19:03:10,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:10,335 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:10,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:10,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2020-07-28 19:03:10,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:10,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078082689] [2020-07-28 19:03:10,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:10,469 INFO L280 TraceCheckUtils]: 0: Hoare triple {744#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {744#true} is VALID [2020-07-28 19:03:10,470 INFO L280 TraceCheckUtils]: 1: Hoare triple {744#true} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {744#true} is VALID [2020-07-28 19:03:10,470 INFO L280 TraceCheckUtils]: 2: Hoare triple {744#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {744#true} is VALID [2020-07-28 19:03:10,470 INFO L280 TraceCheckUtils]: 3: Hoare triple {744#true} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {744#true} is VALID [2020-07-28 19:03:10,470 INFO L280 TraceCheckUtils]: 4: Hoare triple {744#true} assume 0 != main_~tmp~3; {744#true} is VALID [2020-07-28 19:03:10,471 INFO L280 TraceCheckUtils]: 5: Hoare triple {744#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {744#true} is VALID [2020-07-28 19:03:10,472 INFO L280 TraceCheckUtils]: 6: Hoare triple {744#true} assume !false; {744#true} is VALID [2020-07-28 19:03:10,472 INFO L280 TraceCheckUtils]: 7: Hoare triple {744#true} assume test_~splverifierCounter~0 < 4; {744#true} is VALID [2020-07-28 19:03:10,472 INFO L280 TraceCheckUtils]: 8: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {744#true} is VALID [2020-07-28 19:03:10,473 INFO L280 TraceCheckUtils]: 9: Hoare triple {744#true} assume !(0 != test_~tmp~0); {744#true} is VALID [2020-07-28 19:03:10,473 INFO L280 TraceCheckUtils]: 10: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {744#true} is VALID [2020-07-28 19:03:10,473 INFO L280 TraceCheckUtils]: 11: Hoare triple {744#true} assume !(0 != test_~tmp___0~0); {744#true} is VALID [2020-07-28 19:03:10,474 INFO L280 TraceCheckUtils]: 12: Hoare triple {744#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {744#true} is VALID [2020-07-28 19:03:10,475 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 19:03:10,476 INFO L280 TraceCheckUtils]: 14: Hoare triple {746#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {746#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:10,477 INFO L280 TraceCheckUtils]: 15: Hoare triple {746#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {745#false} is VALID [2020-07-28 19:03:10,478 INFO L280 TraceCheckUtils]: 16: Hoare triple {745#false} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {745#false} is VALID [2020-07-28 19:03:10,478 INFO L280 TraceCheckUtils]: 17: Hoare triple {745#false} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {745#false} is VALID [2020-07-28 19:03:10,478 INFO L280 TraceCheckUtils]: 18: Hoare triple {745#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {745#false} is VALID [2020-07-28 19:03:10,479 INFO L280 TraceCheckUtils]: 19: Hoare triple {745#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {745#false} is VALID [2020-07-28 19:03:10,479 INFO L280 TraceCheckUtils]: 20: Hoare triple {745#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {745#false} is VALID [2020-07-28 19:03:10,479 INFO L280 TraceCheckUtils]: 21: Hoare triple {745#false} assume !false; {745#false} is VALID [2020-07-28 19:03:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:10,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078082689] [2020-07-28 19:03:10,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:10,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:10,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061244058] [2020-07-28 19:03:10,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:10,506 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:10,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:10,551 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 19:03:10,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:10,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:10,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:10,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:10,552 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-07-28 19:03:10,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,720 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-07-28 19:03:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:10,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:10,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 19:03:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2020-07-28 19:03:10,724 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 86 transitions. [2020-07-28 19:03:10,835 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:10,837 INFO L225 Difference]: With dead ends: 60 [2020-07-28 19:03:10,837 INFO L226 Difference]: Without dead ends: 33 [2020-07-28 19:03:10,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:10,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-28 19:03:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-28 19:03:10,868 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:10,869 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,869 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,869 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,871 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:03:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:10,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:10,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:10,872 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,872 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-28 19:03:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:10,873 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2020-07-28 19:03:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:10,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:10,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:10,874 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:10,874 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-28 19:03:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-07-28 19:03:10,876 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-07-28 19:03:10,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:10,876 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-07-28 19:03:10,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-07-28 19:03:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:10,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:10,877 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 19:03:10,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:10,878 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:10,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:10,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2020-07-28 19:03:10,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:10,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488665172] [2020-07-28 19:03:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:10,989 INFO L280 TraceCheckUtils]: 0: Hoare triple {944#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,990 INFO L280 TraceCheckUtils]: 1: Hoare triple {946#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,991 INFO L280 TraceCheckUtils]: 2: Hoare triple {946#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,991 INFO L280 TraceCheckUtils]: 3: Hoare triple {946#(= 1 ~waterLevel~0)} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,992 INFO L280 TraceCheckUtils]: 4: Hoare triple {946#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,993 INFO L280 TraceCheckUtils]: 5: Hoare triple {946#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,994 INFO L280 TraceCheckUtils]: 6: Hoare triple {946#(= 1 ~waterLevel~0)} assume !false; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:10,999 INFO L280 TraceCheckUtils]: 7: Hoare triple {946#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:11,001 INFO L280 TraceCheckUtils]: 8: Hoare triple {946#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:11,002 INFO L280 TraceCheckUtils]: 9: Hoare triple {946#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:11,002 INFO L280 TraceCheckUtils]: 10: Hoare triple {946#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:11,003 INFO L280 TraceCheckUtils]: 11: Hoare triple {946#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:11,004 INFO L280 TraceCheckUtils]: 12: Hoare triple {946#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {946#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:11,005 INFO L280 TraceCheckUtils]: 13: Hoare triple {946#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {947#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:11,005 INFO L280 TraceCheckUtils]: 14: Hoare triple {947#(= ~waterLevel~0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {947#(= ~waterLevel~0 ~systemActive~0)} is VALID [2020-07-28 19:03:11,006 INFO L280 TraceCheckUtils]: 15: Hoare triple {947#(= ~waterLevel~0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:11,007 INFO L280 TraceCheckUtils]: 16: Hoare triple {948#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {948#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:03:11,008 INFO L280 TraceCheckUtils]: 17: Hoare triple {948#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {949#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:03:11,009 INFO L280 TraceCheckUtils]: 18: Hoare triple {949#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {950#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))} is VALID [2020-07-28 19:03:11,010 INFO L280 TraceCheckUtils]: 19: Hoare triple {950#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {945#false} is VALID [2020-07-28 19:03:11,010 INFO L280 TraceCheckUtils]: 20: Hoare triple {945#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {945#false} is VALID [2020-07-28 19:03:11,010 INFO L280 TraceCheckUtils]: 21: Hoare triple {945#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {945#false} is VALID [2020-07-28 19:03:11,010 INFO L280 TraceCheckUtils]: 22: Hoare triple {945#false} assume !false; {945#false} is VALID [2020-07-28 19:03:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:11,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488665172] [2020-07-28 19:03:11,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:11,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 19:03:11,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536166833] [2020-07-28 19:03:11,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-07-28 19:03:11,014 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:11,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:03:11,046 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 19:03:11,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:03:11,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:11,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:03:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:11,047 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 7 states. [2020-07-28 19:03:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,065 INFO L93 Difference]: Finished difference Result 196 states and 293 transitions. [2020-07-28 19:03:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:03:12,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-07-28 19:03:12,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:03:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 293 transitions. [2020-07-28 19:03:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:03:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 293 transitions. [2020-07-28 19:03:12,076 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 293 transitions. [2020-07-28 19:03:12,443 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:12,450 INFO L225 Difference]: With dead ends: 196 [2020-07-28 19:03:12,450 INFO L226 Difference]: Without dead ends: 169 [2020-07-28 19:03:12,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-07-28 19:03:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-28 19:03:12,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2020-07-28 19:03:12,560 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:12,560 INFO L82 GeneralOperation]: Start isEquivalent. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:12,561 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:12,561 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 78 states. [2020-07-28 19:03:12,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,569 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2020-07-28 19:03:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2020-07-28 19:03:12,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,571 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 169 states. [2020-07-28 19:03:12,571 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 169 states. [2020-07-28 19:03:12,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,579 INFO L93 Difference]: Finished difference Result 169 states and 248 transitions. [2020-07-28 19:03:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 248 transitions. [2020-07-28 19:03:12,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,580 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,580 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:12,581 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 19:03:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2020-07-28 19:03:12,584 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2020-07-28 19:03:12,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:12,585 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2020-07-28 19:03:12,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:03:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2020-07-28 19:03:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:12,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:12,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:12,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:12,587 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:12,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:12,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2020-07-28 19:03:12,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:12,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624293472] [2020-07-28 19:03:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:12,659 INFO L280 TraceCheckUtils]: 0: Hoare triple {1688#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,661 INFO L280 TraceCheckUtils]: 1: Hoare triple {1690#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,662 INFO L280 TraceCheckUtils]: 2: Hoare triple {1690#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,664 INFO L280 TraceCheckUtils]: 3: Hoare triple {1690#(= 0 ~pumpRunning~0)} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,666 INFO L280 TraceCheckUtils]: 4: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,667 INFO L280 TraceCheckUtils]: 5: Hoare triple {1690#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,668 INFO L280 TraceCheckUtils]: 6: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume !false; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,670 INFO L280 TraceCheckUtils]: 7: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,670 INFO L280 TraceCheckUtils]: 8: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,671 INFO L280 TraceCheckUtils]: 9: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,672 INFO L280 TraceCheckUtils]: 10: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,672 INFO L280 TraceCheckUtils]: 11: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,673 INFO L280 TraceCheckUtils]: 12: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,674 INFO L280 TraceCheckUtils]: 13: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1690#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:12,675 INFO L280 TraceCheckUtils]: 14: Hoare triple {1690#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {1689#false} is VALID [2020-07-28 19:03:12,675 INFO L280 TraceCheckUtils]: 15: Hoare triple {1689#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {1689#false} is VALID [2020-07-28 19:03:12,675 INFO L280 TraceCheckUtils]: 16: Hoare triple {1689#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1689#false} is VALID [2020-07-28 19:03:12,676 INFO L280 TraceCheckUtils]: 17: Hoare triple {1689#false} assume !(0 != ~pumpRunning~0); {1689#false} is VALID [2020-07-28 19:03:12,676 INFO L280 TraceCheckUtils]: 18: Hoare triple {1689#false} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1689#false} is VALID [2020-07-28 19:03:12,676 INFO L280 TraceCheckUtils]: 19: Hoare triple {1689#false} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {1689#false} is VALID [2020-07-28 19:03:12,676 INFO L280 TraceCheckUtils]: 20: Hoare triple {1689#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1689#false} is VALID [2020-07-28 19:03:12,677 INFO L280 TraceCheckUtils]: 21: Hoare triple {1689#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {1689#false} is VALID [2020-07-28 19:03:12,677 INFO L280 TraceCheckUtils]: 22: Hoare triple {1689#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1689#false} is VALID [2020-07-28 19:03:12,678 INFO L280 TraceCheckUtils]: 23: Hoare triple {1689#false} assume !false; {1689#false} is VALID [2020-07-28 19:03:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:12,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624293472] [2020-07-28 19:03:12,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:12,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:12,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704051609] [2020-07-28 19:03:12,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:12,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:12,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:12,717 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:12,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:12,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:12,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:12,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:12,718 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand 3 states. [2020-07-28 19:03:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,933 INFO L93 Difference]: Finished difference Result 132 states and 186 transitions. [2020-07-28 19:03:12,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:12,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:03:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:12,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:03:13,023 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:13,025 INFO L225 Difference]: With dead ends: 132 [2020-07-28 19:03:13,025 INFO L226 Difference]: Without dead ends: 60 [2020-07-28 19:03:13,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:13,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-28 19:03:13,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-07-28 19:03:13,109 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:13,109 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:13,109 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:13,110 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:13,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,112 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:03:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:13,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,113 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:13,113 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:13,113 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2020-07-28 19:03:13,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,116 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-07-28 19:03:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:13,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:13,117 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:13,117 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:03:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-07-28 19:03:13,120 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2020-07-28 19:03:13,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:13,122 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-07-28 19:03:13,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-07-28 19:03:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-28 19:03:13,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:13,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:13,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:13,124 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:13,124 INFO L82 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2020-07-28 19:03:13,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:13,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571268456] [2020-07-28 19:03:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:13,248 INFO L280 TraceCheckUtils]: 0: Hoare triple {2083#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,249 INFO L280 TraceCheckUtils]: 1: Hoare triple {2085#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,250 INFO L280 TraceCheckUtils]: 2: Hoare triple {2085#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,251 INFO L280 TraceCheckUtils]: 3: Hoare triple {2085#(= 1 ~waterLevel~0)} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,252 INFO L280 TraceCheckUtils]: 4: Hoare triple {2085#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,253 INFO L280 TraceCheckUtils]: 5: Hoare triple {2085#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,254 INFO L280 TraceCheckUtils]: 6: Hoare triple {2085#(= 1 ~waterLevel~0)} assume !false; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,255 INFO L280 TraceCheckUtils]: 7: Hoare triple {2085#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,256 INFO L280 TraceCheckUtils]: 8: Hoare triple {2085#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,257 INFO L280 TraceCheckUtils]: 9: Hoare triple {2085#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~0; {2085#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,258 INFO L280 TraceCheckUtils]: 10: Hoare triple {2085#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,259 INFO L280 TraceCheckUtils]: 11: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,260 INFO L280 TraceCheckUtils]: 12: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,261 INFO L280 TraceCheckUtils]: 13: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,262 INFO L280 TraceCheckUtils]: 14: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,263 INFO L280 TraceCheckUtils]: 15: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,264 INFO L280 TraceCheckUtils]: 16: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,265 INFO L280 TraceCheckUtils]: 17: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,266 INFO L280 TraceCheckUtils]: 18: Hoare triple {2086#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,267 INFO L280 TraceCheckUtils]: 19: Hoare triple {2086#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,268 INFO L280 TraceCheckUtils]: 20: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,268 INFO L280 TraceCheckUtils]: 21: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !false; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,269 INFO L280 TraceCheckUtils]: 22: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,270 INFO L280 TraceCheckUtils]: 23: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,271 INFO L280 TraceCheckUtils]: 24: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~0; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,272 INFO L280 TraceCheckUtils]: 25: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2084#false} is VALID [2020-07-28 19:03:13,272 INFO L280 TraceCheckUtils]: 26: Hoare triple {2084#false} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2084#false} is VALID [2020-07-28 19:03:13,272 INFO L280 TraceCheckUtils]: 27: Hoare triple {2084#false} assume !(0 != test_~tmp___0~0); {2084#false} is VALID [2020-07-28 19:03:13,273 INFO L280 TraceCheckUtils]: 28: Hoare triple {2084#false} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2084#false} is VALID [2020-07-28 19:03:13,273 INFO L280 TraceCheckUtils]: 29: Hoare triple {2084#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2084#false} is VALID [2020-07-28 19:03:13,273 INFO L280 TraceCheckUtils]: 30: Hoare triple {2084#false} assume !(0 != ~pumpRunning~0); {2084#false} is VALID [2020-07-28 19:03:13,274 INFO L280 TraceCheckUtils]: 31: Hoare triple {2084#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2084#false} is VALID [2020-07-28 19:03:13,274 INFO L280 TraceCheckUtils]: 32: Hoare triple {2084#false} assume !(0 != ~pumpRunning~0); {2084#false} is VALID [2020-07-28 19:03:13,274 INFO L280 TraceCheckUtils]: 33: Hoare triple {2084#false} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2084#false} is VALID [2020-07-28 19:03:13,274 INFO L280 TraceCheckUtils]: 34: Hoare triple {2084#false} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {2084#false} is VALID [2020-07-28 19:03:13,275 INFO L280 TraceCheckUtils]: 35: Hoare triple {2084#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2084#false} is VALID [2020-07-28 19:03:13,275 INFO L280 TraceCheckUtils]: 36: Hoare triple {2084#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {2084#false} is VALID [2020-07-28 19:03:13,275 INFO L280 TraceCheckUtils]: 37: Hoare triple {2084#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {2084#false} is VALID [2020-07-28 19:03:13,276 INFO L280 TraceCheckUtils]: 38: Hoare triple {2084#false} assume !false; {2084#false} is VALID [2020-07-28 19:03:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:13,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571268456] [2020-07-28 19:03:13,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82698542] [2020-07-28 19:03:13,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:03:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:13,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 19:03:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:13,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:03:13,608 INFO L280 TraceCheckUtils]: 0: Hoare triple {2083#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);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);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {2090#(<= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {2090#(<= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,612 INFO L280 TraceCheckUtils]: 3: Hoare triple {2090#(<= 1 ~waterLevel~0)} main_#t~ret23 := valid_product_#res;assume -2147483648 <= main_#t~ret23 && main_#t~ret23 <= 2147483647;main_~tmp~3 := main_#t~ret23;havoc main_#t~ret23; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,613 INFO L280 TraceCheckUtils]: 4: Hoare triple {2090#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,613 INFO L280 TraceCheckUtils]: 5: Hoare triple {2090#(<= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,615 INFO L280 TraceCheckUtils]: 6: Hoare triple {2090#(<= 1 ~waterLevel~0)} assume !false; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,615 INFO L280 TraceCheckUtils]: 7: Hoare triple {2090#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,616 INFO L280 TraceCheckUtils]: 8: Hoare triple {2090#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,616 INFO L280 TraceCheckUtils]: 9: Hoare triple {2090#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~0; {2090#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,617 INFO L280 TraceCheckUtils]: 10: Hoare triple {2090#(<= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,618 INFO L280 TraceCheckUtils]: 11: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,618 INFO L280 TraceCheckUtils]: 12: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,619 INFO L280 TraceCheckUtils]: 13: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,619 INFO L280 TraceCheckUtils]: 14: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,620 INFO L280 TraceCheckUtils]: 15: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,620 INFO L280 TraceCheckUtils]: 16: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,621 INFO L280 TraceCheckUtils]: 17: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,622 INFO L280 TraceCheckUtils]: 18: Hoare triple {2086#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,622 INFO L280 TraceCheckUtils]: 19: Hoare triple {2086#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,623 INFO L280 TraceCheckUtils]: 20: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,623 INFO L280 TraceCheckUtils]: 21: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume !false; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,624 INFO L280 TraceCheckUtils]: 22: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,624 INFO L280 TraceCheckUtils]: 23: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,625 INFO L280 TraceCheckUtils]: 24: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~0; {2086#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:03:13,626 INFO L280 TraceCheckUtils]: 25: Hoare triple {2086#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2084#false} is VALID [2020-07-28 19:03:13,626 INFO L280 TraceCheckUtils]: 26: Hoare triple {2084#false} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2084#false} is VALID [2020-07-28 19:03:13,626 INFO L280 TraceCheckUtils]: 27: Hoare triple {2084#false} assume !(0 != test_~tmp___0~0); {2084#false} is VALID [2020-07-28 19:03:13,626 INFO L280 TraceCheckUtils]: 28: Hoare triple {2084#false} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2084#false} is VALID [2020-07-28 19:03:13,627 INFO L280 TraceCheckUtils]: 29: Hoare triple {2084#false} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2084#false} is VALID [2020-07-28 19:03:13,627 INFO L280 TraceCheckUtils]: 30: Hoare triple {2084#false} assume !(0 != ~pumpRunning~0); {2084#false} is VALID [2020-07-28 19:03:13,627 INFO L280 TraceCheckUtils]: 31: Hoare triple {2084#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {2084#false} is VALID [2020-07-28 19:03:13,627 INFO L280 TraceCheckUtils]: 32: Hoare triple {2084#false} assume !(0 != ~pumpRunning~0); {2084#false} is VALID [2020-07-28 19:03:13,627 INFO L280 TraceCheckUtils]: 33: Hoare triple {2084#false} havoc __utac_acc__Specification4_spec__1_#t~ret24, __utac_acc__Specification4_spec__1_#t~ret25, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2084#false} is VALID [2020-07-28 19:03:13,628 INFO L280 TraceCheckUtils]: 34: Hoare triple {2084#false} __utac_acc__Specification4_spec__1_#t~ret24 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret24 && __utac_acc__Specification4_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret24;havoc __utac_acc__Specification4_spec__1_#t~ret24; {2084#false} is VALID [2020-07-28 19:03:13,628 INFO L280 TraceCheckUtils]: 35: Hoare triple {2084#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2084#false} is VALID [2020-07-28 19:03:13,628 INFO L280 TraceCheckUtils]: 36: Hoare triple {2084#false} __utac_acc__Specification4_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25 && __utac_acc__Specification4_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret25;havoc __utac_acc__Specification4_spec__1_#t~ret25; {2084#false} is VALID [2020-07-28 19:03:13,628 INFO L280 TraceCheckUtils]: 37: Hoare triple {2084#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {2084#false} is VALID [2020-07-28 19:03:13,629 INFO L280 TraceCheckUtils]: 38: Hoare triple {2084#false} assume !false; {2084#false} is VALID [2020-07-28 19:03:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:13,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:03:13,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-07-28 19:03:13,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152848575] [2020-07-28 19:03:13,633 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:03:13,633 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:13,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:03:13,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:13,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:03:13,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:13,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:03:13,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:13,690 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 4 states. [2020-07-28 19:03:13,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,999 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-07-28 19:03:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:03:13,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-28 19:03:13,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:03:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:03:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2020-07-28 19:03:14,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 79 transitions. [2020-07-28 19:03:14,091 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:14,091 INFO L225 Difference]: With dead ends: 77 [2020-07-28 19:03:14,091 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:14,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:14,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:14,093 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:14,093 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:14,093 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:14,093 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:14,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:14,095 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:14,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:14,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:14,096 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:14,096 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:14,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:14,096 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:14,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:14,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:14,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:14,097 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:14,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-07-28 19:03:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:14,097 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:14,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:03:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:14,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:14,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-28 19:03:14,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:14,880 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2020-07-28 19:03:14,881 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-28 19:03:14,881 INFO L268 CegarLoopResult]: For program point L366(lines 366 373) no Hoare annotation was computed. [2020-07-28 19:03:14,881 INFO L271 CegarLoopResult]: At program point L366-1(lines 366 373) the Hoare annotation is: true [2020-07-28 19:03:14,881 INFO L264 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:14,881 INFO L264 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2020-07-28 19:03:14,882 INFO L264 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2020-07-28 19:03:14,882 INFO L268 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-07-28 19:03:14,882 INFO L268 CegarLoopResult]: For program point L449-3(lines 449 453) no Hoare annotation was computed. [2020-07-28 19:03:14,882 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,882 INFO L268 CegarLoopResult]: For program point L449-6(lines 449 453) no Hoare annotation was computed. [2020-07-28 19:03:14,882 INFO L264 CegarLoopResult]: At program point L268(lines 253 271) the Hoare annotation is: false [2020-07-28 19:03:14,882 INFO L264 CegarLoopResult]: At program point L268-1(lines 253 271) the Hoare annotation is: false [2020-07-28 19:03:14,882 INFO L264 CegarLoopResult]: At program point L268-2(lines 253 271) the Hoare annotation is: false [2020-07-28 19:03:14,882 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2020-07-28 19:03:14,883 INFO L264 CegarLoopResult]: At program point L518(lines 513 521) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-28 19:03:14,883 INFO L264 CegarLoopResult]: At program point L518-1(lines 513 521) the Hoare annotation is: false [2020-07-28 19:03:14,883 INFO L264 CegarLoopResult]: At program point L518-2(lines 513 521) the Hoare annotation is: false [2020-07-28 19:03:14,883 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-28 19:03:14,883 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-28 19:03:14,883 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-28 19:03:14,883 INFO L268 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-07-28 19:03:14,884 INFO L268 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2020-07-28 19:03:14,884 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,884 INFO L264 CegarLoopResult]: At program point L438(lines 433 441) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:14,884 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-28 19:03:14,884 INFO L264 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:14,884 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2020-07-28 19:03:14,884 INFO L264 CegarLoopResult]: At program point L340(lines 336 342) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:14,885 INFO L268 CegarLoopResult]: For program point L390(lines 390 403) no Hoare annotation was computed. [2020-07-28 19:03:14,885 INFO L264 CegarLoopResult]: At program point L390-1(lines 1 905) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:14,885 INFO L268 CegarLoopResult]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2020-07-28 19:03:14,885 INFO L264 CegarLoopResult]: At program point L390-3(lines 1 905) the Hoare annotation is: false [2020-07-28 19:03:14,885 INFO L268 CegarLoopResult]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2020-07-28 19:03:14,885 INFO L264 CegarLoopResult]: At program point L390-5(lines 1 905) the Hoare annotation is: false [2020-07-28 19:03:14,885 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-28 19:03:14,886 INFO L264 CegarLoopResult]: At program point L93-2(lines 128 134) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:14,886 INFO L268 CegarLoopResult]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-07-28 19:03:14,886 INFO L264 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: false [2020-07-28 19:03:14,886 INFO L268 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-07-28 19:03:14,886 INFO L268 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2020-07-28 19:03:14,886 INFO L268 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2020-07-28 19:03:14,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,886 INFO L271 CegarLoopResult]: At program point L375(lines 356 378) the Hoare annotation is: true [2020-07-28 19:03:14,886 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-07-28 19:03:14,887 INFO L264 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:14,887 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-28 19:03:14,887 INFO L264 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2020-07-28 19:03:14,887 INFO L264 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2020-07-28 19:03:14,887 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-07-28 19:03:14,887 INFO L268 CegarLoopResult]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2020-07-28 19:03:14,887 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-07-28 19:03:14,887 INFO L268 CegarLoopResult]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2020-07-28 19:03:14,888 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2020-07-28 19:03:14,888 INFO L268 CegarLoopResult]: For program point L262-3(lines 262 266) no Hoare annotation was computed. [2020-07-28 19:03:14,888 INFO L268 CegarLoopResult]: For program point L262-5(lines 262 266) no Hoare annotation was computed. [2020-07-28 19:03:14,888 INFO L268 CegarLoopResult]: For program point L262-6(lines 262 266) no Hoare annotation was computed. [2020-07-28 19:03:14,888 INFO L268 CegarLoopResult]: For program point L262-8(lines 262 266) no Hoare annotation was computed. [2020-07-28 19:03:14,888 INFO L264 CegarLoopResult]: At program point L213(lines 208 216) the Hoare annotation is: false [2020-07-28 19:03:14,888 INFO L264 CegarLoopResult]: At program point L213-1(lines 208 216) the Hoare annotation is: false [2020-07-28 19:03:14,888 INFO L264 CegarLoopResult]: At program point L213-2(lines 208 216) the Hoare annotation is: false [2020-07-28 19:03:14,888 INFO L264 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: false [2020-07-28 19:03:14,889 INFO L264 CegarLoopResult]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2020-07-28 19:03:14,889 INFO L268 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-07-28 19:03:14,889 INFO L264 CegarLoopResult]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2020-07-28 19:03:14,889 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-07-28 19:03:14,889 INFO L268 CegarLoopResult]: For program point L296-1(lines 128 134) no Hoare annotation was computed. [2020-07-28 19:03:14,889 INFO L268 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-07-28 19:03:14,889 INFO L268 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2020-07-28 19:03:14,889 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2020-07-28 19:03:14,890 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-28 19:03:14,890 INFO L264 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:03:14,890 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:14,890 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2020-07-28 19:03:14,890 INFO L264 CegarLoopResult]: At program point L430(lines 1 905) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:14,895 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:14,895 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:14,897 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-28 19:03:14,897 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-28 19:03:14,897 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-28 19:03:14,898 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:03:14,898 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:14,898 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 19:03:14,898 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:03:14,898 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L449-3 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L449-3 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 19:03:14,899 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L461 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L461 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L262-3 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L390-2 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L262-3 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L262-3 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L390-2 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L390-2 has no Hoare annotation [2020-07-28 19:03:14,900 WARN L170 areAnnotationChecker]: L473 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L473 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L262-5 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L394-2 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L394-2 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L394-2 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 19:03:14,901 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 19:03:14,902 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:14,902 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:14,902 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 19:03:14,902 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 19:03:14,902 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-28 19:03:14,902 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L449 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L296 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L296 has no Hoare annotation [2020-07-28 19:03:14,903 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 19:03:14,904 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L296-1 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L296-1 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L390 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L449-6 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L449-6 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L390 has no Hoare annotation [2020-07-28 19:03:14,905 WARN L170 areAnnotationChecker]: L390 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L262-2 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L262-6 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L390-4 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L394 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L262-6 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L262-6 has no Hoare annotation [2020-07-28 19:03:14,906 WARN L170 areAnnotationChecker]: L390-4 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L390-4 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L262-8 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L394-4 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L394-4 has no Hoare annotation [2020-07-28 19:03:14,907 WARN L170 areAnnotationChecker]: L394-4 has no Hoare annotation [2020-07-28 19:03:14,908 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 19:03:14,908 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 19:03:14,908 WARN L170 areAnnotationChecker]: L536-2 has no Hoare annotation [2020-07-28 19:03:14,908 WARN L170 areAnnotationChecker]: L536-2 has no Hoare annotation [2020-07-28 19:03:14,908 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 19:03:14,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:14 BoogieIcfgContainer [2020-07-28 19:03:14,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:14,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:14,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:14,951 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:14,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:08" (3/4) ... [2020-07-28 19:03:14,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:14,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:14,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:14,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:14,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:14,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:14,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:14,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:15,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:03:15,019 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:03:15,082 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:15,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:15,085 INFO L168 Benchmark]: Toolchain (without parser) took 9255.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 174.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:15,086 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:15,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:15,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:15,087 INFO L168 Benchmark]: Boogie Preprocessor took 66.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:15,087 INFO L168 Benchmark]: RCFGBuilder took 1657.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.1 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:15,088 INFO L168 Benchmark]: TraceAbstraction took 6608.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 968.1 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:15,088 INFO L168 Benchmark]: Witness Printer took 132.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:15,090 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 0.25 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 691.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1657.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 968.1 MB in the end (delta: 141.5 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6608.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 968.1 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Witness Printer took 132.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 536]: 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: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == tmp)) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 522]: 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: 5.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 408 SDslu, 309 SDs, 0 SdLazy, 85 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 47 NumberOfFragments, 256 HoareAnnotationTreeSize, 31 FomulaSimplifications, 318 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 10339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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...