./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_product26.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:10:14,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:10:14,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:10:14,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:10:14,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:10:14,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:10:14,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:10:14,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:10:14,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:10:14,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:10:14,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:10:14,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:10:14,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:10:14,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:10:14,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:10:14,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:10:14,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:10:14,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:10:14,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:10:14,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:10:14,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:10:14,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:10:14,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:10:14,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:10:14,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:10:14,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:10:14,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:10:14,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:10:14,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:10:14,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:10:14,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:10:14,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:10:14,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:10:14,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:10:14,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:10:14,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:10:14,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:10:14,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:10:14,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:10:14,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:10:14,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:10:14,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:10:14,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:10:14,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:10:14,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:10:14,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:10:14,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:10:14,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:10:14,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:10:14,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:10:14,559 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:10:14,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:10:14,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:10:14,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:10:14,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:10:14,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:10:14,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:10:14,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:10:14,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:10:14,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:10:14,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:10:14,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:10:14,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:10:14,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:10:14,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:10:14,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:10:14,563 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:10:14,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:10:14,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:10:14,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f [2022-02-20 18:10:14,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:10:14,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:10:14,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:10:14,781 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:10:14,782 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:10:14,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2022-02-20 18:10:14,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1132fec/f0904c52c19a4c799db78eda1416605b/FLAG39a717058 [2022-02-20 18:10:15,246 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:10:15,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2022-02-20 18:10:15,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1132fec/f0904c52c19a4c799db78eda1416605b/FLAG39a717058 [2022-02-20 18:10:15,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a1132fec/f0904c52c19a4c799db78eda1416605b [2022-02-20 18:10:15,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:10:15,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:10:15,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:10:15,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:10:15,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:10:15,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b56a141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15, skipping insertion in model container [2022-02-20 18:10:15,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:10:15,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:10:15,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2022-02-20 18:10:15,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:10:15,605 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:10:15,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2022-02-20 18:10:15,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:10:15,673 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:10:15,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15 WrapperNode [2022-02-20 18:10:15,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:10:15,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:10:15,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:10:15,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:10:15,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,741 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 222 [2022-02-20 18:10:15,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:10:15,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:10:15,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:10:15,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:10:15,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:10:15,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:10:15,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:10:15,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:10:15,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (1/1) ... [2022-02-20 18:10:15,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:10:15,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:10:15,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:10:15,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:10:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:10:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-02-20 18:10:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-02-20 18:10:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:10:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:10:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:10:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:10:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:10:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:10:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:10:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:10:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:10:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:10:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:10:15,898 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:10:15,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:10:16,226 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:10:16,236 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:10:16,237 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:10:16,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:10:16 BoogieIcfgContainer [2022-02-20 18:10:16,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:10:16,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:10:16,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:10:16,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:10:16,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:10:15" (1/3) ... [2022-02-20 18:10:16,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5286e7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:10:16, skipping insertion in model container [2022-02-20 18:10:16,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:15" (2/3) ... [2022-02-20 18:10:16,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5286e7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:10:16, skipping insertion in model container [2022-02-20 18:10:16,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:10:16" (3/3) ... [2022-02-20 18:10:16,256 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2022-02-20 18:10:16,277 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:10:16,277 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:10:16,318 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:10:16,322 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:10:16,322 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:10:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 55 states have (on average 1.4) internal successors, (77), 61 states have internal predecessors, (77), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:10:16,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 18:10:16,345 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:16,345 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:10:16,346 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:16,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:16,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1610382818, now seen corresponding path program 1 times [2022-02-20 18:10:16,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:16,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147306765] [2022-02-20 18:10:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:16,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:16,561 INFO L290 TraceCheckUtils]: 0: Hoare triple {73#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {73#true} is VALID [2022-02-20 18:10:16,565 INFO L290 TraceCheckUtils]: 1: Hoare triple {73#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {73#true} is VALID [2022-02-20 18:10:16,565 INFO L290 TraceCheckUtils]: 2: Hoare triple {73#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {73#true} is VALID [2022-02-20 18:10:16,566 INFO L290 TraceCheckUtils]: 3: Hoare triple {73#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {73#true} is VALID [2022-02-20 18:10:16,566 INFO L290 TraceCheckUtils]: 4: Hoare triple {73#true} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {73#true} is VALID [2022-02-20 18:10:16,566 INFO L290 TraceCheckUtils]: 5: Hoare triple {73#true} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {73#true} is VALID [2022-02-20 18:10:16,566 INFO L290 TraceCheckUtils]: 6: Hoare triple {73#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {73#true} is VALID [2022-02-20 18:10:16,567 INFO L290 TraceCheckUtils]: 7: Hoare triple {73#true} assume false; {74#false} is VALID [2022-02-20 18:10:16,568 INFO L272 TraceCheckUtils]: 8: Hoare triple {74#false} call cleanup(); {74#false} is VALID [2022-02-20 18:10:16,568 INFO L290 TraceCheckUtils]: 9: Hoare triple {74#false} havoc ~i~0;havoc ~__cil_tmp2~0; {74#false} is VALID [2022-02-20 18:10:16,568 INFO L272 TraceCheckUtils]: 10: Hoare triple {74#false} call timeShift(); {74#false} is VALID [2022-02-20 18:10:16,569 INFO L290 TraceCheckUtils]: 11: Hoare triple {74#false} assume !(0 != ~pumpRunning~0); {74#false} is VALID [2022-02-20 18:10:16,569 INFO L290 TraceCheckUtils]: 12: Hoare triple {74#false} assume !(0 != ~systemActive~0); {74#false} is VALID [2022-02-20 18:10:16,569 INFO L290 TraceCheckUtils]: 13: Hoare triple {74#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {74#false} is VALID [2022-02-20 18:10:16,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {74#false} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {74#false} is VALID [2022-02-20 18:10:16,570 INFO L290 TraceCheckUtils]: 15: Hoare triple {74#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {74#false} is VALID [2022-02-20 18:10:16,570 INFO L290 TraceCheckUtils]: 16: Hoare triple {74#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {74#false} is VALID [2022-02-20 18:10:16,570 INFO L290 TraceCheckUtils]: 17: Hoare triple {74#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {74#false} is VALID [2022-02-20 18:10:16,571 INFO L290 TraceCheckUtils]: 18: Hoare triple {74#false} assume !false; {74#false} is VALID [2022-02-20 18:10:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:10:16,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:16,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147306765] [2022-02-20 18:10:16,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147306765] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:16,573 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:16,573 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:10:16,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403455559] [2022-02-20 18:10:16,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:16,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 18:10:16,583 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:16,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:16,614 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:16,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:10:16,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:16,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:10:16,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:10:16,639 INFO L87 Difference]: Start difference. First operand has 70 states, 55 states have (on average 1.4) internal successors, (77), 61 states have internal predecessors, (77), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:16,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:16,732 INFO L93 Difference]: Finished difference Result 132 states and 181 transitions. [2022-02-20 18:10:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:10:16,732 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 18:10:16,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 181 transitions. [2022-02-20 18:10:16,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 181 transitions. [2022-02-20 18:10:16,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 181 transitions. [2022-02-20 18:10:16,862 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:16,869 INFO L225 Difference]: With dead ends: 132 [2022-02-20 18:10:16,870 INFO L226 Difference]: Without dead ends: 61 [2022-02-20 18:10:16,885 INFO L932 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 [2022-02-20 18:10:16,887 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:16,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:16,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-02-20 18:10:16,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-02-20 18:10:16,909 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:16,910 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:10:16,910 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:10:16,911 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:10:16,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:16,915 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2022-02-20 18:10:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-02-20 18:10:16,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:16,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:16,916 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 61 states. [2022-02-20 18:10:16,917 INFO L87 Difference]: Start difference. First operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand 61 states. [2022-02-20 18:10:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:16,920 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2022-02-20 18:10:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-02-20 18:10:16,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:16,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:16,921 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:16,921 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.3125) internal successors, (63), 53 states have internal predecessors, (63), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:10:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2022-02-20 18:10:16,925 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 78 transitions. Word has length 19 [2022-02-20 18:10:16,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:16,926 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 78 transitions. [2022-02-20 18:10:16,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-02-20 18:10:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 18:10:16,927 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:16,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:10:16,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:10:16,928 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:16,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:16,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2007451734, now seen corresponding path program 1 times [2022-02-20 18:10:16,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:16,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710023123] [2022-02-20 18:10:16,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:16,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:16,986 INFO L290 TraceCheckUtils]: 0: Hoare triple {481#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {481#true} is VALID [2022-02-20 18:10:16,987 INFO L290 TraceCheckUtils]: 1: Hoare triple {481#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {481#true} is VALID [2022-02-20 18:10:16,987 INFO L290 TraceCheckUtils]: 2: Hoare triple {481#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {481#true} is VALID [2022-02-20 18:10:16,987 INFO L290 TraceCheckUtils]: 3: Hoare triple {481#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {481#true} is VALID [2022-02-20 18:10:16,987 INFO L290 TraceCheckUtils]: 4: Hoare triple {481#true} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {481#true} is VALID [2022-02-20 18:10:16,987 INFO L290 TraceCheckUtils]: 5: Hoare triple {481#true} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {481#true} is VALID [2022-02-20 18:10:16,988 INFO L290 TraceCheckUtils]: 6: Hoare triple {481#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {483#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:10:16,988 INFO L290 TraceCheckUtils]: 7: Hoare triple {483#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {483#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:10:16,989 INFO L290 TraceCheckUtils]: 8: Hoare triple {483#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {482#false} is VALID [2022-02-20 18:10:16,989 INFO L272 TraceCheckUtils]: 9: Hoare triple {482#false} call cleanup(); {482#false} is VALID [2022-02-20 18:10:16,989 INFO L290 TraceCheckUtils]: 10: Hoare triple {482#false} havoc ~i~0;havoc ~__cil_tmp2~0; {482#false} is VALID [2022-02-20 18:10:16,989 INFO L272 TraceCheckUtils]: 11: Hoare triple {482#false} call timeShift(); {482#false} is VALID [2022-02-20 18:10:16,990 INFO L290 TraceCheckUtils]: 12: Hoare triple {482#false} assume !(0 != ~pumpRunning~0); {482#false} is VALID [2022-02-20 18:10:16,990 INFO L290 TraceCheckUtils]: 13: Hoare triple {482#false} assume !(0 != ~systemActive~0); {482#false} is VALID [2022-02-20 18:10:16,990 INFO L290 TraceCheckUtils]: 14: Hoare triple {482#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {482#false} is VALID [2022-02-20 18:10:16,990 INFO L290 TraceCheckUtils]: 15: Hoare triple {482#false} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {482#false} is VALID [2022-02-20 18:10:16,990 INFO L290 TraceCheckUtils]: 16: Hoare triple {482#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {482#false} is VALID [2022-02-20 18:10:16,990 INFO L290 TraceCheckUtils]: 17: Hoare triple {482#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {482#false} is VALID [2022-02-20 18:10:16,991 INFO L290 TraceCheckUtils]: 18: Hoare triple {482#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {482#false} is VALID [2022-02-20 18:10:16,991 INFO L290 TraceCheckUtils]: 19: Hoare triple {482#false} assume !false; {482#false} is VALID [2022-02-20 18:10:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:10:16,991 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:16,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710023123] [2022-02-20 18:10:16,992 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710023123] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:16,992 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:16,992 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:10:16,993 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098135917] [2022-02-20 18:10:16,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:16,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 18:10:16,994 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:16,994 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,009 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:17,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:10:17,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:17,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:10:17,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:17,011 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:17,084 INFO L93 Difference]: Finished difference Result 87 states and 111 transitions. [2022-02-20 18:10:17,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:10:17,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 18:10:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2022-02-20 18:10:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2022-02-20 18:10:17,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 111 transitions. [2022-02-20 18:10:17,155 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:17,157 INFO L225 Difference]: With dead ends: 87 [2022-02-20 18:10:17,157 INFO L226 Difference]: Without dead ends: 52 [2022-02-20 18:10:17,157 INFO L932 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 [2022-02-20 18:10:17,158 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 13 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:17,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 113 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:17,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-02-20 18:10:17,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-02-20 18:10:17,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:17,163 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 47 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,163 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 47 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,164 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 47 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:17,165 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2022-02-20 18:10:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-02-20 18:10:17,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:17,166 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:17,166 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 47 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 52 states. [2022-02-20 18:10:17,166 INFO L87 Difference]: Start difference. First operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 47 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 52 states. [2022-02-20 18:10:17,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:17,168 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2022-02-20 18:10:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-02-20 18:10:17,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:17,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:17,169 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:17,169 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 47 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-02-20 18:10:17,171 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 20 [2022-02-20 18:10:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:17,171 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-02-20 18:10:17,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-02-20 18:10:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:10:17,172 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:17,172 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:10:17,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:10:17,173 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:17,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash -262713576, now seen corresponding path program 1 times [2022-02-20 18:10:17,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:17,174 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241906346] [2022-02-20 18:10:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:17,229 INFO L290 TraceCheckUtils]: 0: Hoare triple {792#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {794#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:17,230 INFO L290 TraceCheckUtils]: 1: Hoare triple {794#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {794#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:17,230 INFO L290 TraceCheckUtils]: 2: Hoare triple {794#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {794#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:17,231 INFO L290 TraceCheckUtils]: 3: Hoare triple {794#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {795#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-20 18:10:17,231 INFO L290 TraceCheckUtils]: 4: Hoare triple {795#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {796#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} is VALID [2022-02-20 18:10:17,232 INFO L290 TraceCheckUtils]: 5: Hoare triple {796#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,232 INFO L290 TraceCheckUtils]: 6: Hoare triple {797#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,232 INFO L290 TraceCheckUtils]: 7: Hoare triple {797#(not (= 0 ~systemActive~0))} assume !false; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,233 INFO L290 TraceCheckUtils]: 8: Hoare triple {797#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,233 INFO L290 TraceCheckUtils]: 9: Hoare triple {797#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,234 INFO L290 TraceCheckUtils]: 10: Hoare triple {797#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0#1); {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,234 INFO L290 TraceCheckUtils]: 11: Hoare triple {797#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,235 INFO L290 TraceCheckUtils]: 12: Hoare triple {797#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,235 INFO L290 TraceCheckUtils]: 13: Hoare triple {797#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,236 INFO L290 TraceCheckUtils]: 14: Hoare triple {797#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,236 INFO L290 TraceCheckUtils]: 15: Hoare triple {797#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___1~0#1; {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,237 INFO L272 TraceCheckUtils]: 16: Hoare triple {797#(not (= 0 ~systemActive~0))} call timeShift(); {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,237 INFO L290 TraceCheckUtils]: 17: Hoare triple {797#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {797#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:17,237 INFO L290 TraceCheckUtils]: 18: Hoare triple {797#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {793#false} is VALID [2022-02-20 18:10:17,238 INFO L290 TraceCheckUtils]: 19: Hoare triple {793#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {793#false} is VALID [2022-02-20 18:10:17,238 INFO L290 TraceCheckUtils]: 20: Hoare triple {793#false} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {793#false} is VALID [2022-02-20 18:10:17,238 INFO L290 TraceCheckUtils]: 21: Hoare triple {793#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {793#false} is VALID [2022-02-20 18:10:17,238 INFO L290 TraceCheckUtils]: 22: Hoare triple {793#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {793#false} is VALID [2022-02-20 18:10:17,238 INFO L290 TraceCheckUtils]: 23: Hoare triple {793#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {793#false} is VALID [2022-02-20 18:10:17,239 INFO L290 TraceCheckUtils]: 24: Hoare triple {793#false} assume !false; {793#false} is VALID [2022-02-20 18:10:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:10:17,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:17,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241906346] [2022-02-20 18:10:17,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241906346] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:17,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:17,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:10:17,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962251303] [2022-02-20 18:10:17,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:17,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 18:10:17,241 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:17,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,264 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:17,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:10:17,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:17,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:10:17,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:10:17,265 INFO L87 Difference]: Start difference. First operand 52 states and 66 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:17,408 INFO L93 Difference]: Finished difference Result 97 states and 126 transitions. [2022-02-20 18:10:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:10:17,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 18:10:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2022-02-20 18:10:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2022-02-20 18:10:17,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 126 transitions. [2022-02-20 18:10:17,493 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:17,494 INFO L225 Difference]: With dead ends: 97 [2022-02-20 18:10:17,495 INFO L226 Difference]: Without dead ends: 52 [2022-02-20 18:10:17,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 18:10:17,496 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 91 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:17,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 129 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:17,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-02-20 18:10:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-02-20 18:10:17,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:17,500 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,501 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,501 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:17,502 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2022-02-20 18:10:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-02-20 18:10:17,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:17,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:17,503 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 52 states. [2022-02-20 18:10:17,504 INFO L87 Difference]: Start difference. First operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 52 states. [2022-02-20 18:10:17,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:17,505 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2022-02-20 18:10:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-02-20 18:10:17,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:17,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:17,506 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:17,506 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:10:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2022-02-20 18:10:17,508 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 25 [2022-02-20 18:10:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:17,508 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2022-02-20 18:10:17,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-02-20 18:10:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:10:17,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:17,509 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:10:17,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:10:17,510 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:17,510 INFO L85 PathProgramCache]: Analyzing trace with hash -678572638, now seen corresponding path program 1 times [2022-02-20 18:10:17,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:17,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244528493] [2022-02-20 18:10:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:17,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:10:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:17,578 INFO L290 TraceCheckUtils]: 0: Hoare triple {1122#true} assume true; {1122#true} is VALID [2022-02-20 18:10:17,578 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1122#true} {1127#(not (= ~waterLevel~0 0))} #198#return; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,579 INFO L290 TraceCheckUtils]: 0: Hoare triple {1122#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1124#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:17,579 INFO L290 TraceCheckUtils]: 1: Hoare triple {1124#(= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {1124#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:17,580 INFO L290 TraceCheckUtils]: 2: Hoare triple {1124#(= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1124#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:17,580 INFO L290 TraceCheckUtils]: 3: Hoare triple {1124#(= ~waterLevel~0 1)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {1125#(= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0)} is VALID [2022-02-20 18:10:17,581 INFO L290 TraceCheckUtils]: 4: Hoare triple {1125#(= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {1126#(= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|)} is VALID [2022-02-20 18:10:17,581 INFO L290 TraceCheckUtils]: 5: Hoare triple {1126#(= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,581 INFO L290 TraceCheckUtils]: 6: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,582 INFO L290 TraceCheckUtils]: 7: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume !false; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,582 INFO L290 TraceCheckUtils]: 8: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume test_~splverifierCounter~0#1 < 4; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,582 INFO L290 TraceCheckUtils]: 9: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,583 INFO L290 TraceCheckUtils]: 10: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume !(0 != test_~tmp~0#1); {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,583 INFO L290 TraceCheckUtils]: 11: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,583 INFO L290 TraceCheckUtils]: 12: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume !(0 != test_~tmp___0~0#1); {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,584 INFO L290 TraceCheckUtils]: 13: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,584 INFO L290 TraceCheckUtils]: 14: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,585 INFO L290 TraceCheckUtils]: 15: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume 0 != test_~tmp___1~0#1; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,585 INFO L272 TraceCheckUtils]: 16: Hoare triple {1127#(not (= ~waterLevel~0 0))} call timeShift(); {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,585 INFO L290 TraceCheckUtils]: 17: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume !(0 != ~pumpRunning~0); {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,586 INFO L290 TraceCheckUtils]: 18: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,586 INFO L290 TraceCheckUtils]: 19: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume !(0 != ~pumpRunning~0); {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,586 INFO L272 TraceCheckUtils]: 20: Hoare triple {1127#(not (= ~waterLevel~0 0))} call processEnvironment__wrappee__base(); {1122#true} is VALID [2022-02-20 18:10:17,586 INFO L290 TraceCheckUtils]: 21: Hoare triple {1122#true} assume true; {1122#true} is VALID [2022-02-20 18:10:17,587 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1122#true} {1127#(not (= ~waterLevel~0 0))} #198#return; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,587 INFO L290 TraceCheckUtils]: 23: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume { :end_inline_processEnvironment } true; {1127#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:17,588 INFO L290 TraceCheckUtils]: 24: Hoare triple {1127#(not (= ~waterLevel~0 0))} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {1130#(not (= |timeShift_getWaterLevel_#res#1| 0))} is VALID [2022-02-20 18:10:17,588 INFO L290 TraceCheckUtils]: 25: Hoare triple {1130#(not (= |timeShift_getWaterLevel_#res#1| 0))} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {1131#(not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))} is VALID [2022-02-20 18:10:17,588 INFO L290 TraceCheckUtils]: 26: Hoare triple {1131#(not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {1123#false} is VALID [2022-02-20 18:10:17,589 INFO L290 TraceCheckUtils]: 27: Hoare triple {1123#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {1123#false} is VALID [2022-02-20 18:10:17,589 INFO L290 TraceCheckUtils]: 28: Hoare triple {1123#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {1123#false} is VALID [2022-02-20 18:10:17,589 INFO L290 TraceCheckUtils]: 29: Hoare triple {1123#false} assume !false; {1123#false} is VALID [2022-02-20 18:10:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:10:17,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:17,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244528493] [2022-02-20 18:10:17,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244528493] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:17,590 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:17,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 18:10:17,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758806149] [2022-02-20 18:10:17,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:17,591 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:10:17,591 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:17,591 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:17,610 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:17,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 18:10:17,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:17,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 18:10:17,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-20 18:10:17,611 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:18,031 INFO L93 Difference]: Finished difference Result 179 states and 241 transitions. [2022-02-20 18:10:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 18:10:18,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:10:18,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:18,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 241 transitions. [2022-02-20 18:10:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 241 transitions. [2022-02-20 18:10:18,041 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 241 transitions. [2022-02-20 18:10:18,205 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:18,209 INFO L225 Difference]: With dead ends: 179 [2022-02-20 18:10:18,209 INFO L226 Difference]: Without dead ends: 134 [2022-02-20 18:10:18,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-20 18:10:18,210 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 156 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:18,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 397 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:10:18,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-02-20 18:10:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 129. [2022-02-20 18:10:18,226 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:18,227 INFO L82 GeneralOperation]: Start isEquivalent. First operand 134 states. Second operand has 129 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 18:10:18,227 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand has 129 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 18:10:18,228 INFO L87 Difference]: Start difference. First operand 134 states. Second operand has 129 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 18:10:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:18,231 INFO L93 Difference]: Finished difference Result 134 states and 176 transitions. [2022-02-20 18:10:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2022-02-20 18:10:18,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:18,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:18,233 INFO L74 IsIncluded]: Start isIncluded. First operand has 129 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) Second operand 134 states. [2022-02-20 18:10:18,233 INFO L87 Difference]: Start difference. First operand has 129 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) Second operand 134 states. [2022-02-20 18:10:18,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:18,237 INFO L93 Difference]: Finished difference Result 134 states and 176 transitions. [2022-02-20 18:10:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2022-02-20 18:10:18,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:18,237 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:18,238 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:18,238 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 115 states have internal predecessors, (135), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 18:10:18,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 166 transitions. [2022-02-20 18:10:18,242 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 166 transitions. Word has length 30 [2022-02-20 18:10:18,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:18,242 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 166 transitions. [2022-02-20 18:10:18,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 166 transitions. [2022-02-20 18:10:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 18:10:18,243 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:18,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:10:18,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:10:18,244 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:18,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:18,244 INFO L85 PathProgramCache]: Analyzing trace with hash -186593091, now seen corresponding path program 1 times [2022-02-20 18:10:18,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:18,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882368455] [2022-02-20 18:10:18,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-02-20 18:10:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {1856#true} assume true; {1856#true} is VALID [2022-02-20 18:10:18,278 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1856#true} {1857#false} #198#return; {1857#false} is VALID [2022-02-20 18:10:18,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {1856#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,279 INFO L290 TraceCheckUtils]: 1: Hoare triple {1858#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,279 INFO L290 TraceCheckUtils]: 2: Hoare triple {1858#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,280 INFO L290 TraceCheckUtils]: 3: Hoare triple {1858#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,280 INFO L290 TraceCheckUtils]: 4: Hoare triple {1858#(= ~pumpRunning~0 0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,280 INFO L290 TraceCheckUtils]: 5: Hoare triple {1858#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,281 INFO L290 TraceCheckUtils]: 6: Hoare triple {1858#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,281 INFO L290 TraceCheckUtils]: 7: Hoare triple {1858#(= ~pumpRunning~0 0)} assume !false; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,281 INFO L290 TraceCheckUtils]: 8: Hoare triple {1858#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,282 INFO L290 TraceCheckUtils]: 9: Hoare triple {1858#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,282 INFO L290 TraceCheckUtils]: 10: Hoare triple {1858#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~0#1); {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,282 INFO L290 TraceCheckUtils]: 11: Hoare triple {1858#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,283 INFO L290 TraceCheckUtils]: 12: Hoare triple {1858#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,283 INFO L290 TraceCheckUtils]: 13: Hoare triple {1858#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,283 INFO L290 TraceCheckUtils]: 14: Hoare triple {1858#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,284 INFO L290 TraceCheckUtils]: 15: Hoare triple {1858#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___1~0#1; {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,284 INFO L272 TraceCheckUtils]: 16: Hoare triple {1858#(= ~pumpRunning~0 0)} call timeShift(); {1858#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,284 INFO L290 TraceCheckUtils]: 17: Hoare triple {1858#(= ~pumpRunning~0 0)} assume 0 != ~pumpRunning~0;assume { :begin_inline_lowerWaterLevel } true; {1857#false} is VALID [2022-02-20 18:10:18,285 INFO L290 TraceCheckUtils]: 18: Hoare triple {1857#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {1857#false} is VALID [2022-02-20 18:10:18,285 INFO L290 TraceCheckUtils]: 19: Hoare triple {1857#false} assume { :end_inline_lowerWaterLevel } true; {1857#false} is VALID [2022-02-20 18:10:18,285 INFO L290 TraceCheckUtils]: 20: Hoare triple {1857#false} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {1857#false} is VALID [2022-02-20 18:10:18,285 INFO L290 TraceCheckUtils]: 21: Hoare triple {1857#false} assume !(0 != ~pumpRunning~0); {1857#false} is VALID [2022-02-20 18:10:18,285 INFO L272 TraceCheckUtils]: 22: Hoare triple {1857#false} call processEnvironment__wrappee__base(); {1856#true} is VALID [2022-02-20 18:10:18,285 INFO L290 TraceCheckUtils]: 23: Hoare triple {1856#true} assume true; {1856#true} is VALID [2022-02-20 18:10:18,286 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {1856#true} {1857#false} #198#return; {1857#false} is VALID [2022-02-20 18:10:18,286 INFO L290 TraceCheckUtils]: 25: Hoare triple {1857#false} assume { :end_inline_processEnvironment } true; {1857#false} is VALID [2022-02-20 18:10:18,286 INFO L290 TraceCheckUtils]: 26: Hoare triple {1857#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {1857#false} is VALID [2022-02-20 18:10:18,286 INFO L290 TraceCheckUtils]: 27: Hoare triple {1857#false} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {1857#false} is VALID [2022-02-20 18:10:18,286 INFO L290 TraceCheckUtils]: 28: Hoare triple {1857#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {1857#false} is VALID [2022-02-20 18:10:18,287 INFO L290 TraceCheckUtils]: 29: Hoare triple {1857#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {1857#false} is VALID [2022-02-20 18:10:18,287 INFO L290 TraceCheckUtils]: 30: Hoare triple {1857#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {1857#false} is VALID [2022-02-20 18:10:18,287 INFO L290 TraceCheckUtils]: 31: Hoare triple {1857#false} assume !false; {1857#false} is VALID [2022-02-20 18:10:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:10:18,287 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:18,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882368455] [2022-02-20 18:10:18,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882368455] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:18,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:18,288 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:10:18,288 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822404156] [2022-02-20 18:10:18,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:18,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-02-20 18:10:18,289 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:18,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,307 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:18,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:10:18,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:18,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:10:18,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:18,308 INFO L87 Difference]: Start difference. First operand 129 states and 166 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:18,342 INFO L93 Difference]: Finished difference Result 225 states and 291 transitions. [2022-02-20 18:10:18,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:10:18,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-02-20 18:10:18,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2022-02-20 18:10:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2022-02-20 18:10:18,345 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 111 transitions. [2022-02-20 18:10:18,415 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:18,417 INFO L225 Difference]: With dead ends: 225 [2022-02-20 18:10:18,418 INFO L226 Difference]: Without dead ends: 103 [2022-02-20 18:10:18,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:18,419 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:18,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 47 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:18,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-02-20 18:10:18,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-02-20 18:10:18,425 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:18,426 INFO L82 GeneralOperation]: Start isEquivalent. First operand 103 states. Second operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 18:10:18,426 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 18:10:18,426 INFO L87 Difference]: Start difference. First operand 103 states. Second operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 18:10:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:18,429 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2022-02-20 18:10:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-02-20 18:10:18,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:18,429 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:18,429 INFO L74 IsIncluded]: Start isIncluded. First operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 103 states. [2022-02-20 18:10:18,430 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 103 states. [2022-02-20 18:10:18,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:18,432 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2022-02-20 18:10:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-02-20 18:10:18,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:18,432 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:18,432 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:18,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:18,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 18:10:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-02-20 18:10:18,435 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 32 [2022-02-20 18:10:18,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:18,435 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-02-20 18:10:18,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:10:18,436 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-02-20 18:10:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-20 18:10:18,437 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:18,437 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2022-02-20 18:10:18,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 18:10:18,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:18,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:18,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1947547759, now seen corresponding path program 1 times [2022-02-20 18:10:18,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:18,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964244310] [2022-02-20 18:10:18,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:18,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-20 18:10:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,493 INFO L290 TraceCheckUtils]: 0: Hoare triple {2559#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2533#true} is VALID [2022-02-20 18:10:18,493 INFO L290 TraceCheckUtils]: 1: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,493 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #200#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:10:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:10:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,507 INFO L290 TraceCheckUtils]: 0: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,508 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #198#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,508 INFO L290 TraceCheckUtils]: 0: Hoare triple {2560#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,508 INFO L290 TraceCheckUtils]: 1: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,509 INFO L290 TraceCheckUtils]: 2: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,509 INFO L272 TraceCheckUtils]: 3: Hoare triple {2535#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {2533#true} is VALID [2022-02-20 18:10:18,509 INFO L290 TraceCheckUtils]: 4: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,509 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #198#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,510 INFO L290 TraceCheckUtils]: 6: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,510 INFO L290 TraceCheckUtils]: 7: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,510 INFO L290 TraceCheckUtils]: 8: Hoare triple {2535#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,511 INFO L290 TraceCheckUtils]: 9: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,511 INFO L290 TraceCheckUtils]: 10: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,511 INFO L290 TraceCheckUtils]: 11: Hoare triple {2535#(= ~pumpRunning~0 0)} assume true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,512 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2535#(= ~pumpRunning~0 0)} {2535#(= ~pumpRunning~0 0)} #204#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 18:10:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,515 INFO L290 TraceCheckUtils]: 0: Hoare triple {2559#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2533#true} is VALID [2022-02-20 18:10:18,516 INFO L290 TraceCheckUtils]: 1: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,516 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #200#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 18:10:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,518 INFO L290 TraceCheckUtils]: 0: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,519 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #198#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,519 INFO L290 TraceCheckUtils]: 0: Hoare triple {2533#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,520 INFO L290 TraceCheckUtils]: 1: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,520 INFO L290 TraceCheckUtils]: 2: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,520 INFO L290 TraceCheckUtils]: 3: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,520 INFO L290 TraceCheckUtils]: 4: Hoare triple {2535#(= ~pumpRunning~0 0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,521 INFO L290 TraceCheckUtils]: 5: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,521 INFO L290 TraceCheckUtils]: 6: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,521 INFO L290 TraceCheckUtils]: 7: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !false; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,522 INFO L290 TraceCheckUtils]: 8: Hoare triple {2535#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,522 INFO L290 TraceCheckUtils]: 9: Hoare triple {2535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,522 INFO L290 TraceCheckUtils]: 10: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != test_~tmp~0#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,523 INFO L272 TraceCheckUtils]: 11: Hoare triple {2535#(= ~pumpRunning~0 0)} call waterRise(); {2559#(= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:18,523 INFO L290 TraceCheckUtils]: 12: Hoare triple {2559#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2533#true} is VALID [2022-02-20 18:10:18,523 INFO L290 TraceCheckUtils]: 13: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,523 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #200#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,524 INFO L290 TraceCheckUtils]: 15: Hoare triple {2535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,524 INFO L290 TraceCheckUtils]: 16: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,524 INFO L290 TraceCheckUtils]: 17: Hoare triple {2535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,525 INFO L290 TraceCheckUtils]: 18: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,525 INFO L290 TraceCheckUtils]: 19: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___1~0#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,525 INFO L272 TraceCheckUtils]: 20: Hoare triple {2535#(= ~pumpRunning~0 0)} call timeShift(); {2560#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))} is VALID [2022-02-20 18:10:18,526 INFO L290 TraceCheckUtils]: 21: Hoare triple {2560#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,526 INFO L290 TraceCheckUtils]: 22: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,526 INFO L290 TraceCheckUtils]: 23: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,526 INFO L272 TraceCheckUtils]: 24: Hoare triple {2535#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {2533#true} is VALID [2022-02-20 18:10:18,526 INFO L290 TraceCheckUtils]: 25: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,527 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #198#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,527 INFO L290 TraceCheckUtils]: 27: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,527 INFO L290 TraceCheckUtils]: 28: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,528 INFO L290 TraceCheckUtils]: 29: Hoare triple {2535#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,528 INFO L290 TraceCheckUtils]: 30: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,528 INFO L290 TraceCheckUtils]: 31: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,529 INFO L290 TraceCheckUtils]: 32: Hoare triple {2535#(= ~pumpRunning~0 0)} assume true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,529 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {2535#(= ~pumpRunning~0 0)} {2535#(= ~pumpRunning~0 0)} #204#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,529 INFO L290 TraceCheckUtils]: 34: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !false; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,530 INFO L290 TraceCheckUtils]: 35: Hoare triple {2535#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,530 INFO L290 TraceCheckUtils]: 36: Hoare triple {2535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,530 INFO L290 TraceCheckUtils]: 37: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != test_~tmp~0#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,537 INFO L272 TraceCheckUtils]: 38: Hoare triple {2535#(= ~pumpRunning~0 0)} call waterRise(); {2559#(= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:18,537 INFO L290 TraceCheckUtils]: 39: Hoare triple {2559#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2533#true} is VALID [2022-02-20 18:10:18,538 INFO L290 TraceCheckUtils]: 40: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,538 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #200#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,538 INFO L290 TraceCheckUtils]: 42: Hoare triple {2535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,538 INFO L290 TraceCheckUtils]: 43: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,539 INFO L290 TraceCheckUtils]: 44: Hoare triple {2535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,539 INFO L290 TraceCheckUtils]: 45: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,539 INFO L290 TraceCheckUtils]: 46: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___1~0#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,540 INFO L272 TraceCheckUtils]: 47: Hoare triple {2535#(= ~pumpRunning~0 0)} call timeShift(); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,540 INFO L290 TraceCheckUtils]: 48: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,540 INFO L290 TraceCheckUtils]: 49: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,541 INFO L290 TraceCheckUtils]: 50: Hoare triple {2535#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,541 INFO L272 TraceCheckUtils]: 51: Hoare triple {2535#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {2533#true} is VALID [2022-02-20 18:10:18,541 INFO L290 TraceCheckUtils]: 52: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:18,541 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {2533#true} {2535#(= ~pumpRunning~0 0)} #198#return; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,542 INFO L290 TraceCheckUtils]: 54: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,542 INFO L290 TraceCheckUtils]: 55: Hoare triple {2535#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,542 INFO L290 TraceCheckUtils]: 56: Hoare triple {2535#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:18,543 INFO L290 TraceCheckUtils]: 57: Hoare triple {2535#(= ~pumpRunning~0 0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {2557#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:10:18,543 INFO L290 TraceCheckUtils]: 58: Hoare triple {2557#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {2558#(= |timeShift___utac_acc__Specification4_spec__1_~tmp___0~2#1| 0)} is VALID [2022-02-20 18:10:18,543 INFO L290 TraceCheckUtils]: 59: Hoare triple {2558#(= |timeShift___utac_acc__Specification4_spec__1_~tmp___0~2#1| 0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {2534#false} is VALID [2022-02-20 18:10:18,543 INFO L290 TraceCheckUtils]: 60: Hoare triple {2534#false} assume !false; {2534#false} is VALID [2022-02-20 18:10:18,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-02-20 18:10:18,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:18,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964244310] [2022-02-20 18:10:18,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964244310] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:10:18,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953475747] [2022-02-20 18:10:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:18,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:10:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:10:18,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 18:10:18,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 18:10:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 18:10:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:18,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:10:19,027 INFO L290 TraceCheckUtils]: 0: Hoare triple {2533#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,028 INFO L290 TraceCheckUtils]: 2: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,028 INFO L290 TraceCheckUtils]: 3: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,028 INFO L290 TraceCheckUtils]: 4: Hoare triple {2566#(<= 1 ~waterLevel~0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,028 INFO L290 TraceCheckUtils]: 5: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,029 INFO L290 TraceCheckUtils]: 6: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,029 INFO L290 TraceCheckUtils]: 7: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume !false; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,029 INFO L290 TraceCheckUtils]: 8: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,030 INFO L290 TraceCheckUtils]: 9: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,030 INFO L290 TraceCheckUtils]: 10: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~0#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,031 INFO L272 TraceCheckUtils]: 11: Hoare triple {2566#(<= 1 ~waterLevel~0)} call waterRise(); {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,031 INFO L290 TraceCheckUtils]: 12: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2604#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} is VALID [2022-02-20 18:10:19,032 INFO L290 TraceCheckUtils]: 13: Hoare triple {2604#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} assume true; {2604#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} is VALID [2022-02-20 18:10:19,032 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2604#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} {2566#(<= 1 ~waterLevel~0)} #200#return; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,033 INFO L290 TraceCheckUtils]: 15: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,033 INFO L290 TraceCheckUtils]: 16: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0#1); {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,033 INFO L290 TraceCheckUtils]: 17: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,034 INFO L290 TraceCheckUtils]: 18: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,034 INFO L290 TraceCheckUtils]: 19: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___1~0#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,034 INFO L272 TraceCheckUtils]: 20: Hoare triple {2611#(<= 2 ~waterLevel~0)} call timeShift(); {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,035 INFO L290 TraceCheckUtils]: 21: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,035 INFO L290 TraceCheckUtils]: 22: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,035 INFO L290 TraceCheckUtils]: 23: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,035 INFO L272 TraceCheckUtils]: 24: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} call processEnvironment__wrappee__base(); {2533#true} is VALID [2022-02-20 18:10:19,036 INFO L290 TraceCheckUtils]: 25: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:19,036 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2533#true} {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} #198#return; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,036 INFO L290 TraceCheckUtils]: 27: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume { :end_inline_processEnvironment } true; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,037 INFO L290 TraceCheckUtils]: 28: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,037 INFO L290 TraceCheckUtils]: 29: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,037 INFO L290 TraceCheckUtils]: 30: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,037 INFO L290 TraceCheckUtils]: 31: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,038 INFO L290 TraceCheckUtils]: 32: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume true; {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,038 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} {2611#(<= 2 ~waterLevel~0)} #204#return; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,039 INFO L290 TraceCheckUtils]: 34: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume !false; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,039 INFO L290 TraceCheckUtils]: 35: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,039 INFO L290 TraceCheckUtils]: 36: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,040 INFO L290 TraceCheckUtils]: 37: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~0#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,040 INFO L272 TraceCheckUtils]: 38: Hoare triple {2611#(<= 2 ~waterLevel~0)} call waterRise(); {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:19,040 INFO L290 TraceCheckUtils]: 39: Hoare triple {2600#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2687#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:19,041 INFO L290 TraceCheckUtils]: 40: Hoare triple {2687#(< |old(~waterLevel~0)| 2)} assume true; {2687#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:19,041 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2687#(< |old(~waterLevel~0)| 2)} {2611#(<= 2 ~waterLevel~0)} #200#return; {2534#false} is VALID [2022-02-20 18:10:19,041 INFO L290 TraceCheckUtils]: 42: Hoare triple {2534#false} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {2534#false} is VALID [2022-02-20 18:10:19,041 INFO L290 TraceCheckUtils]: 43: Hoare triple {2534#false} assume !(0 != test_~tmp___0~0#1); {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L290 TraceCheckUtils]: 44: Hoare triple {2534#false} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L290 TraceCheckUtils]: 45: Hoare triple {2534#false} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L290 TraceCheckUtils]: 46: Hoare triple {2534#false} assume 0 != test_~tmp___1~0#1; {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L272 TraceCheckUtils]: 47: Hoare triple {2534#false} call timeShift(); {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L290 TraceCheckUtils]: 48: Hoare triple {2534#false} assume !(0 != ~pumpRunning~0); {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L290 TraceCheckUtils]: 49: Hoare triple {2534#false} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2534#false} is VALID [2022-02-20 18:10:19,042 INFO L290 TraceCheckUtils]: 50: Hoare triple {2534#false} assume !(0 != ~pumpRunning~0); {2534#false} is VALID [2022-02-20 18:10:19,043 INFO L272 TraceCheckUtils]: 51: Hoare triple {2534#false} call processEnvironment__wrappee__base(); {2534#false} is VALID [2022-02-20 18:10:19,043 INFO L290 TraceCheckUtils]: 52: Hoare triple {2534#false} assume true; {2534#false} is VALID [2022-02-20 18:10:19,043 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {2534#false} {2534#false} #198#return; {2534#false} is VALID [2022-02-20 18:10:19,043 INFO L290 TraceCheckUtils]: 54: Hoare triple {2534#false} assume { :end_inline_processEnvironment } true; {2534#false} is VALID [2022-02-20 18:10:19,043 INFO L290 TraceCheckUtils]: 55: Hoare triple {2534#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2534#false} is VALID [2022-02-20 18:10:19,043 INFO L290 TraceCheckUtils]: 56: Hoare triple {2534#false} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2534#false} is VALID [2022-02-20 18:10:19,044 INFO L290 TraceCheckUtils]: 57: Hoare triple {2534#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {2534#false} is VALID [2022-02-20 18:10:19,044 INFO L290 TraceCheckUtils]: 58: Hoare triple {2534#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {2534#false} is VALID [2022-02-20 18:10:19,044 INFO L290 TraceCheckUtils]: 59: Hoare triple {2534#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {2534#false} is VALID [2022-02-20 18:10:19,044 INFO L290 TraceCheckUtils]: 60: Hoare triple {2534#false} assume !false; {2534#false} is VALID [2022-02-20 18:10:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:10:19,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:10:19,534 INFO L290 TraceCheckUtils]: 60: Hoare triple {2534#false} assume !false; {2534#false} is VALID [2022-02-20 18:10:19,534 INFO L290 TraceCheckUtils]: 59: Hoare triple {2534#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {2534#false} is VALID [2022-02-20 18:10:19,534 INFO L290 TraceCheckUtils]: 58: Hoare triple {2534#false} __utac_acc__Specification4_spec__1_#t~ret26#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret26#1 && __utac_acc__Specification4_spec__1_#t~ret26#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2#1 := __utac_acc__Specification4_spec__1_#t~ret26#1;havoc __utac_acc__Specification4_spec__1_#t~ret26#1; {2534#false} is VALID [2022-02-20 18:10:19,534 INFO L290 TraceCheckUtils]: 57: Hoare triple {2534#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {2534#false} is VALID [2022-02-20 18:10:19,534 INFO L290 TraceCheckUtils]: 56: Hoare triple {2534#false} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2534#false} is VALID [2022-02-20 18:10:19,534 INFO L290 TraceCheckUtils]: 55: Hoare triple {2534#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2534#false} is VALID [2022-02-20 18:10:19,535 INFO L290 TraceCheckUtils]: 54: Hoare triple {2534#false} assume { :end_inline_processEnvironment } true; {2534#false} is VALID [2022-02-20 18:10:19,535 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {2533#true} {2534#false} #198#return; {2534#false} is VALID [2022-02-20 18:10:19,535 INFO L290 TraceCheckUtils]: 52: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:19,535 INFO L272 TraceCheckUtils]: 51: Hoare triple {2534#false} call processEnvironment__wrappee__base(); {2533#true} is VALID [2022-02-20 18:10:19,535 INFO L290 TraceCheckUtils]: 50: Hoare triple {2534#false} assume !(0 != ~pumpRunning~0); {2534#false} is VALID [2022-02-20 18:10:19,535 INFO L290 TraceCheckUtils]: 49: Hoare triple {2534#false} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L290 TraceCheckUtils]: 48: Hoare triple {2534#false} assume !(0 != ~pumpRunning~0); {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L272 TraceCheckUtils]: 47: Hoare triple {2534#false} call timeShift(); {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L290 TraceCheckUtils]: 46: Hoare triple {2534#false} assume 0 != test_~tmp___1~0#1; {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L290 TraceCheckUtils]: 45: Hoare triple {2534#false} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L290 TraceCheckUtils]: 44: Hoare triple {2534#false} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L290 TraceCheckUtils]: 43: Hoare triple {2534#false} assume !(0 != test_~tmp___0~0#1); {2534#false} is VALID [2022-02-20 18:10:19,536 INFO L290 TraceCheckUtils]: 42: Hoare triple {2534#false} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {2534#false} is VALID [2022-02-20 18:10:19,537 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2687#(< |old(~waterLevel~0)| 2)} {2611#(<= 2 ~waterLevel~0)} #200#return; {2534#false} is VALID [2022-02-20 18:10:19,537 INFO L290 TraceCheckUtils]: 40: Hoare triple {2687#(< |old(~waterLevel~0)| 2)} assume true; {2687#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:19,538 INFO L290 TraceCheckUtils]: 39: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2687#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:19,538 INFO L272 TraceCheckUtils]: 38: Hoare triple {2611#(<= 2 ~waterLevel~0)} call waterRise(); {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,538 INFO L290 TraceCheckUtils]: 37: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~0#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,539 INFO L290 TraceCheckUtils]: 36: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,539 INFO L290 TraceCheckUtils]: 35: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,539 INFO L290 TraceCheckUtils]: 34: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume !false; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,540 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} {2611#(<= 2 ~waterLevel~0)} #204#return; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,540 INFO L290 TraceCheckUtils]: 32: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume true; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,540 INFO L290 TraceCheckUtils]: 31: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,541 INFO L290 TraceCheckUtils]: 30: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,541 INFO L290 TraceCheckUtils]: 29: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} __utac_acc__Specification4_spec__1_#t~ret25#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret25#1 && __utac_acc__Specification4_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret25#1;havoc __utac_acc__Specification4_spec__1_#t~ret25#1; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,541 INFO L290 TraceCheckUtils]: 28: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_#t~ret26#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,542 INFO L290 TraceCheckUtils]: 27: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume { :end_inline_processEnvironment } true; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,542 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2533#true} {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} #198#return; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,542 INFO L290 TraceCheckUtils]: 25: Hoare triple {2533#true} assume true; {2533#true} is VALID [2022-02-20 18:10:19,542 INFO L272 TraceCheckUtils]: 24: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} call processEnvironment__wrappee__base(); {2533#true} is VALID [2022-02-20 18:10:19,542 INFO L290 TraceCheckUtils]: 23: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume !(0 != ~pumpRunning~0); {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,543 INFO L290 TraceCheckUtils]: 22: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,543 INFO L290 TraceCheckUtils]: 21: Hoare triple {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume !(0 != ~pumpRunning~0); {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,544 INFO L272 TraceCheckUtils]: 20: Hoare triple {2611#(<= 2 ~waterLevel~0)} call timeShift(); {2817#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:19,544 INFO L290 TraceCheckUtils]: 19: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___1~0#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,544 INFO L290 TraceCheckUtils]: 18: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,544 INFO L290 TraceCheckUtils]: 17: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,545 INFO L290 TraceCheckUtils]: 16: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0#1); {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,545 INFO L290 TraceCheckUtils]: 15: Hoare triple {2611#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,545 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2893#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} {2566#(<= 1 ~waterLevel~0)} #200#return; {2611#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,546 INFO L290 TraceCheckUtils]: 13: Hoare triple {2893#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} assume true; {2893#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} is VALID [2022-02-20 18:10:19,546 INFO L290 TraceCheckUtils]: 12: Hoare triple {2900#(or (< |old(~waterLevel~0)| 1) (<= 1 ~waterLevel~0))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2893#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} is VALID [2022-02-20 18:10:19,547 INFO L272 TraceCheckUtils]: 11: Hoare triple {2566#(<= 1 ~waterLevel~0)} call waterRise(); {2900#(or (< |old(~waterLevel~0)| 1) (<= 1 ~waterLevel~0))} is VALID [2022-02-20 18:10:19,547 INFO L290 TraceCheckUtils]: 10: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~0#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,547 INFO L290 TraceCheckUtils]: 9: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,548 INFO L290 TraceCheckUtils]: 8: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,548 INFO L290 TraceCheckUtils]: 7: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume !false; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,548 INFO L290 TraceCheckUtils]: 6: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,549 INFO L290 TraceCheckUtils]: 5: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,549 INFO L290 TraceCheckUtils]: 4: Hoare triple {2566#(<= 1 ~waterLevel~0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret51#1 && main_#t~ret51#1 <= 2147483647;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,549 INFO L290 TraceCheckUtils]: 3: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,549 INFO L290 TraceCheckUtils]: 2: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,550 INFO L290 TraceCheckUtils]: 1: Hoare triple {2566#(<= 1 ~waterLevel~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,552 INFO L290 TraceCheckUtils]: 0: Hoare triple {2533#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2566#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 18:10:19,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953475747] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:10:19,553 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:10:19,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2022-02-20 18:10:19,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395556427] [2022-02-20 18:10:19,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:10:19,554 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 61 [2022-02-20 18:10:19,554 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:19,555 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-02-20 18:10:19,633 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:19,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 18:10:19,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:19,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 18:10:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-02-20 18:10:19,634 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-02-20 18:10:20,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:20,057 INFO L93 Difference]: Finished difference Result 137 states and 161 transitions. [2022-02-20 18:10:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 18:10:20,057 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 61 [2022-02-20 18:10:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-02-20 18:10:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 126 transitions. [2022-02-20 18:10:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-02-20 18:10:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 126 transitions. [2022-02-20 18:10:20,061 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 126 transitions. [2022-02-20 18:10:20,129 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:20,130 INFO L225 Difference]: With dead ends: 137 [2022-02-20 18:10:20,130 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:10:20,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-02-20 18:10:20,131 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 126 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:20,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 317 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:10:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:10:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:10:20,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:20,131 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:20,132 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:20,132 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:20,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:20,132 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:10:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:20,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:20,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:20,132 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-20 18:10:20,132 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-20 18:10:20,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:20,132 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:10:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:20,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:20,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:20,132 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:20,133 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:10:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:10:20,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-02-20 18:10:20,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:20,133 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:10:20,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-02-20 18:10:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:20,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:20,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:10:20,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 18:10:20,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-20 18:10:20,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:10:21,276 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 167 173) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 167 173) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point L349-1(lines 345 356) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 345 356) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 345 356) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point L864(lines 839 868) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 839 868) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 839 868) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point L853(lines 853 857) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point L853-1(lines 853 857) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point L849-2(lines 849 863) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L861 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2022-02-20 18:10:21,277 INFO L858 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2022-02-20 18:10:21,277 INFO L854 garLoopResultBuilder]: At program point L250(lines 245 253) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L403(lines 398 406) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,278 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 146 165) no Hoare annotation was computed. [2022-02-20 18:10:21,278 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 143 166) no Hoare annotation was computed. [2022-02-20 18:10:21,278 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2022-02-20 18:10:21,278 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 426) no Hoare annotation was computed. [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L325-2(lines 321 332) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,278 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 429) no Hoare annotation was computed. [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L416-1(lines 408 432) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))) (.cse4 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 .cse4 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L305(lines 290 308) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L231(lines 226 233) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse1 (= ~waterLevel~0 1))))) [2022-02-20 18:10:21,278 INFO L854 garLoopResultBuilder]: At program point L194-1(lines 175 199) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse1 (= ~waterLevel~0 1))))) [2022-02-20 18:10:21,279 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-02-20 18:10:21,279 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 154 160) no Hoare annotation was computed. [2022-02-20 18:10:21,279 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed. [2022-02-20 18:10:21,279 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-02-20 18:10:21,280 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 196) no Hoare annotation was computed. [2022-02-20 18:10:21,280 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 143 166) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse1 (= ~waterLevel~0 1))))) [2022-02-20 18:10:21,280 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-02-20 18:10:21,280 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 143 166) no Hoare annotation was computed. [2022-02-20 18:10:21,280 INFO L854 garLoopResultBuilder]: At program point L394(lines 389 397) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-02-20 18:10:21,280 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 299 303) no Hoare annotation was computed. [2022-02-20 18:10:21,280 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L854 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2022-02-20 18:10:21,281 INFO L861 garLoopResultBuilder]: At program point L907(lines 900 909) the Hoare annotation is: true [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 927) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L854 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3))) [2022-02-20 18:10:21,281 INFO L854 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3))) [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point L920-2(lines 920 927) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L861 garLoopResultBuilder]: At program point L929(lines 910 932) the Hoare annotation is: true [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:10:21,281 INFO L854 garLoopResultBuilder]: At program point L314(lines 309 316) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3))) [2022-02-20 18:10:21,281 INFO L854 garLoopResultBuilder]: At program point L467(lines 462 470) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:21,281 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L854 garLoopResultBuilder]: At program point L112-2(lines 104 117) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3))) [2022-02-20 18:10:21,282 INFO L854 garLoopResultBuilder]: At program point L459(lines 455 461) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L854 garLoopResultBuilder]: At program point L897(lines 893 899) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)) [2022-02-20 18:10:21,282 INFO L854 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~8#1|) .cse3))) [2022-02-20 18:10:21,282 INFO L861 garLoopResultBuilder]: At program point L125(lines 64 129) the Hoare annotation is: true [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L854 garLoopResultBuilder]: At program point L452(lines 448 454) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point L337-1(lines 333 344) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 333 344) no Hoare annotation was computed. [2022-02-20 18:10:21,282 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 333 344) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2022-02-20 18:10:21,285 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-20 18:10:21,285 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L349-1 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L349-1 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L147-1 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L337-1 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L337-1 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L349-1 has no Hoare annotation [2022-02-20 18:10:21,300 WARN L170 areAnnotationChecker]: L845-1 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L147-1 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L147-1 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L337-1 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:10:21,301 WARN L170 areAnnotationChecker]: L845-1 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L147-1 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L154-1 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2022-02-20 18:10:21,302 WARN L170 areAnnotationChecker]: L416 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L416 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L416 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2022-02-20 18:10:21,303 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L299-2 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2022-02-20 18:10:21,304 WARN L170 areAnnotationChecker]: L94-1 has no Hoare annotation [2022-02-20 18:10:21,305 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2022-02-20 18:10:21,305 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2022-02-20 18:10:21,305 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2022-02-20 18:10:21,306 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2022-02-20 18:10:21,306 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:10:21,306 WARN L170 areAnnotationChecker]: L920-2 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L920-2 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:10:21,307 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:10:21,309 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:10:21,309 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 18:10:21,309 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2022-02-20 18:10:21,309 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2022-02-20 18:10:21,309 WARN L170 areAnnotationChecker]: L84-1 has no Hoare annotation [2022-02-20 18:10:21,310 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:10:21,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:10:21 BoogieIcfgContainer [2022-02-20 18:10:21,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:10:21,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:10:21,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:10:21,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:10:21,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:10:16" (3/4) ... [2022-02-20 18:10:21,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:10:21,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-02-20 18:10:21,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:10:21,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:10:21,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:10:21,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:10:21,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-02-20 18:10:21,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:10:21,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:10:21,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:10:21,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:10:21,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:10:21,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:10:21,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-02-20 18:10:21,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive [2022-02-20 18:10:21,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive) [2022-02-20 18:10:21,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) [2022-02-20 18:10:21,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) [2022-02-20 18:10:21,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive) [2022-02-20 18:10:21,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-02-20 18:10:21,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-02-20 18:10:21,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) [2022-02-20 18:10:21,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) [2022-02-20 18:10:21,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) [2022-02-20 18:10:21,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) [2022-02-20 18:10:21,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) [2022-02-20 18:10:21,443 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:10:21,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:10:21,456 INFO L158 Benchmark]: Toolchain (without parser) took 6182.45ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 74.3MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,456 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:10:21,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.14ms. Allocated memory is still 94.4MB. Free memory was 74.1MB in the beginning and 59.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.53ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 56.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,457 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 55.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,457 INFO L158 Benchmark]: RCFGBuilder took 468.42ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 71.3MB in the end (delta: -16.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,457 INFO L158 Benchmark]: TraceAbstraction took 5093.19ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 70.8MB in the beginning and 76.4MB in the end (delta: -5.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,457 INFO L158 Benchmark]: Witness Printer took 98.91ms. Allocated memory is still 144.7MB. Free memory was 76.4MB in the beginning and 71.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 18:10:21,459 INFO L339 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 0.20ms. Allocated memory is still 77.6MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.14ms. Allocated memory is still 94.4MB. Free memory was 74.1MB in the beginning and 59.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.53ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 56.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 55.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.42ms. Allocated memory is still 94.4MB. Free memory was 55.0MB in the beginning and 71.3MB in the end (delta: -16.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5093.19ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 70.8MB in the beginning and 76.4MB in the end (delta: -5.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Witness Printer took 98.91ms. Allocated memory is still 144.7MB. Free memory was 76.4MB in the beginning and 71.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 422 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 419 mSDsluCounter, 1090 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 700 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 390 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 227 PreInvPairs, 249 NumberOfFragments, 608 HoareAnnotationTreeSize, 227 FomulaSimplifications, 104 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 469 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || (((((pumpRunning == 0 && \result == systemActive) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1)) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:10:21,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE