./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product06.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_product06.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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:09:57,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:09:57,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:09:57,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:09:57,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:09:57,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:09:57,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:09:57,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:09:57,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:09:57,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:09:57,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:09:57,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:09:57,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:09:57,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:09:57,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:09:57,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:09:57,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:09:57,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:09:57,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:09:57,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:09:57,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:09:57,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:09:57,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:09:57,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:09:57,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:09:57,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:09:57,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:09:57,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:09:57,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:09:57,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:09:57,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:09:57,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:09:57,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:09:57,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:09:57,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:09:57,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:09:57,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:09:57,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:09:57,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:09:57,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:09:57,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:09:57,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:09:57,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:09:57,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:09:57,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:09:57,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:09:57,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:09:57,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:09:57,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:09:57,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:09:57,508 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:09:57,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:09:57,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:09:57,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:09:57,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:09:57,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:09:57,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:09:57,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:09:57,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:09:57,510 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:09:57,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:09:57,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:09:57,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:09:57,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:09:57,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:09:57,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:09:57,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:09:57,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:09:57,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:09:57,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:09:57,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:09:57,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:09:57,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:09:57,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:09:57,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:09:57,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2022-02-20 18:09:57,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:09:57,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:09:57,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:09:57,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:09:57,784 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:09:57,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-02-20 18:09:57,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2dbfca0d/db1a9c77632e427e9ab3dcef809a2280/FLAG4d2f3f48b [2022-02-20 18:09:58,282 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:09:58,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-02-20 18:09:58,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2dbfca0d/db1a9c77632e427e9ab3dcef809a2280/FLAG4d2f3f48b [2022-02-20 18:09:58,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2dbfca0d/db1a9c77632e427e9ab3dcef809a2280 [2022-02-20 18:09:58,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:09:58,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:09:58,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:09:58,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:09:58,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:09:58,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:09:58" (1/1) ... [2022-02-20 18:09:58,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dff7696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:58, skipping insertion in model container [2022-02-20 18:09:58,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:09:58" (1/1) ... [2022-02-20 18:09:58,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:09:58,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:09:58,956 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_product06.cil.c[17188,17201] [2022-02-20 18:09:58,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:09:58,966 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:09:59,059 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_product06.cil.c[17188,17201] [2022-02-20 18:09:59,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:09:59,074 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:09:59,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59 WrapperNode [2022-02-20 18:09:59,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:09:59,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:09:59,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:09:59,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:09:59,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,135 INFO L137 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 216 [2022-02-20 18:09:59,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:09:59,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:09:59,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:09:59,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:09:59,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:09:59,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:09:59,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:09:59,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:09:59,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (1/1) ... [2022-02-20 18:09:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:09:59,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:09:59,218 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 18:09:59,220 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 18:09:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:09:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-02-20 18:09:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-02-20 18:09:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:09:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:09:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:09:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:09:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:09:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:09:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:09:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:09:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:09:59,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:09:59,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:09:59,307 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:09:59,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:09:59,687 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:09:59,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:09:59,704 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:09:59,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:09:59 BoogieIcfgContainer [2022-02-20 18:09:59,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:09:59,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:09:59,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:09:59,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:09:59,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:09:58" (1/3) ... [2022-02-20 18:09:59,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aad7cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:09:59, skipping insertion in model container [2022-02-20 18:09:59,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:09:59" (2/3) ... [2022-02-20 18:09:59,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aad7cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:09:59, skipping insertion in model container [2022-02-20 18:09:59,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:09:59" (3/3) ... [2022-02-20 18:09:59,715 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2022-02-20 18:09:59,720 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:09:59,720 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:09:59,771 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:09:59,777 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 18:09:59,778 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:09:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 59 states have internal predecessors, (74), 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 18:09:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 18:09:59,815 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:09:59,816 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 18:09:59,816 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:09:59,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:09:59,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1379054688, now seen corresponding path program 1 times [2022-02-20 18:09:59,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:09:59,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678692977] [2022-02-20 18:09:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:09:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:09:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:00,072 INFO L290 TraceCheckUtils]: 0: Hoare triple {71#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {71#true} is VALID [2022-02-20 18:10:00,073 INFO L290 TraceCheckUtils]: 1: Hoare triple {71#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {71#true} is VALID [2022-02-20 18:10:00,073 INFO L290 TraceCheckUtils]: 2: Hoare triple {71#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {71#true} is VALID [2022-02-20 18:10:00,074 INFO L290 TraceCheckUtils]: 3: Hoare triple {71#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {71#true} is VALID [2022-02-20 18:10:00,074 INFO L290 TraceCheckUtils]: 4: Hoare triple {71#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {71#true} is VALID [2022-02-20 18:10:00,074 INFO L290 TraceCheckUtils]: 5: Hoare triple {71#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {71#true} is VALID [2022-02-20 18:10:00,075 INFO L290 TraceCheckUtils]: 6: Hoare triple {71#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {71#true} is VALID [2022-02-20 18:10:00,076 INFO L290 TraceCheckUtils]: 7: Hoare triple {71#true} assume !true; {72#false} is VALID [2022-02-20 18:10:00,076 INFO L272 TraceCheckUtils]: 8: Hoare triple {72#false} call cleanup(); {72#false} is VALID [2022-02-20 18:10:00,076 INFO L290 TraceCheckUtils]: 9: Hoare triple {72#false} havoc ~i~0;havoc ~__cil_tmp2~0; {72#false} is VALID [2022-02-20 18:10:00,076 INFO L272 TraceCheckUtils]: 10: Hoare triple {72#false} call timeShift(); {72#false} is VALID [2022-02-20 18:10:00,077 INFO L290 TraceCheckUtils]: 11: Hoare triple {72#false} assume !(0 != ~pumpRunning~0); {72#false} is VALID [2022-02-20 18:10:00,077 INFO L290 TraceCheckUtils]: 12: Hoare triple {72#false} assume !(0 != ~systemActive~0); {72#false} is VALID [2022-02-20 18:10:00,077 INFO L290 TraceCheckUtils]: 13: Hoare triple {72#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {72#false} is VALID [2022-02-20 18:10:00,077 INFO L290 TraceCheckUtils]: 14: Hoare triple {72#false} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {72#false} is VALID [2022-02-20 18:10:00,078 INFO L290 TraceCheckUtils]: 15: Hoare triple {72#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {72#false} is VALID [2022-02-20 18:10:00,078 INFO L290 TraceCheckUtils]: 16: Hoare triple {72#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {72#false} is VALID [2022-02-20 18:10:00,078 INFO L290 TraceCheckUtils]: 17: Hoare triple {72#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {72#false} is VALID [2022-02-20 18:10:00,079 INFO L290 TraceCheckUtils]: 18: Hoare triple {72#false} assume !false; {72#false} is VALID [2022-02-20 18:10:00,080 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 18:10:00,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:00,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678692977] [2022-02-20 18:10:00,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678692977] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:00,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:00,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:10:00,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490233338] [2022-02-20 18:10:00,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:00,088 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 18:10:00,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:00,091 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 18:10:00,134 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 18:10:00,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:10:00,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:00,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:10:00,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:10:00,160 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 59 states have internal predecessors, (74), 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 18:10:00,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:00,276 INFO L93 Difference]: Finished difference Result 128 states and 175 transitions. [2022-02-20 18:10:00,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:10:00,277 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 18:10:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:00,278 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 18:10:00,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 175 transitions. [2022-02-20 18:10:00,288 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 18:10:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 175 transitions. [2022-02-20 18:10:00,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 175 transitions. [2022-02-20 18:10:00,471 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:00,480 INFO L225 Difference]: With dead ends: 128 [2022-02-20 18:10:00,480 INFO L226 Difference]: Without dead ends: 59 [2022-02-20 18:10:00,483 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 18:10:00,486 INFO L933 BasicCegarLoop]: 84 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, 84 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 18:10:00,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:00,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-02-20 18:10:00,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-02-20 18:10:00,513 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:00,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:10:00,515 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:10:00,516 INFO L87 Difference]: Start difference. First operand 59 states. Second operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:10:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:00,521 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2022-02-20 18:10:00,521 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-02-20 18:10:00,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:00,522 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:00,523 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 59 states. [2022-02-20 18:10:00,523 INFO L87 Difference]: Start difference. First operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 59 states. [2022-02-20 18:10:00,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:00,527 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2022-02-20 18:10:00,527 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-02-20 18:10:00,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:00,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:00,529 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:00,529 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:10:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2022-02-20 18:10:00,534 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 19 [2022-02-20 18:10:00,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:00,535 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2022-02-20 18:10:00,535 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 18:10:00,535 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-02-20 18:10:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 18:10:00,536 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:00,537 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 18:10:00,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:10:00,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash -320924759, now seen corresponding path program 1 times [2022-02-20 18:10:00,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:00,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545010492] [2022-02-20 18:10:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:00,641 INFO L290 TraceCheckUtils]: 0: Hoare triple {469#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {469#true} is VALID [2022-02-20 18:10:00,642 INFO L290 TraceCheckUtils]: 1: Hoare triple {469#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {469#true} is VALID [2022-02-20 18:10:00,642 INFO L290 TraceCheckUtils]: 2: Hoare triple {469#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {469#true} is VALID [2022-02-20 18:10:00,642 INFO L290 TraceCheckUtils]: 3: Hoare triple {469#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {469#true} is VALID [2022-02-20 18:10:00,643 INFO L290 TraceCheckUtils]: 4: Hoare triple {469#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {469#true} is VALID [2022-02-20 18:10:00,643 INFO L290 TraceCheckUtils]: 5: Hoare triple {469#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {469#true} is VALID [2022-02-20 18:10:00,644 INFO L290 TraceCheckUtils]: 6: Hoare triple {469#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {471#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:10:00,645 INFO L290 TraceCheckUtils]: 7: Hoare triple {471#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {471#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:10:00,645 INFO L290 TraceCheckUtils]: 8: Hoare triple {471#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {470#false} is VALID [2022-02-20 18:10:00,646 INFO L272 TraceCheckUtils]: 9: Hoare triple {470#false} call cleanup(); {470#false} is VALID [2022-02-20 18:10:00,646 INFO L290 TraceCheckUtils]: 10: Hoare triple {470#false} havoc ~i~0;havoc ~__cil_tmp2~0; {470#false} is VALID [2022-02-20 18:10:00,647 INFO L272 TraceCheckUtils]: 11: Hoare triple {470#false} call timeShift(); {470#false} is VALID [2022-02-20 18:10:00,647 INFO L290 TraceCheckUtils]: 12: Hoare triple {470#false} assume !(0 != ~pumpRunning~0); {470#false} is VALID [2022-02-20 18:10:00,647 INFO L290 TraceCheckUtils]: 13: Hoare triple {470#false} assume !(0 != ~systemActive~0); {470#false} is VALID [2022-02-20 18:10:00,648 INFO L290 TraceCheckUtils]: 14: Hoare triple {470#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {470#false} is VALID [2022-02-20 18:10:00,648 INFO L290 TraceCheckUtils]: 15: Hoare triple {470#false} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {470#false} is VALID [2022-02-20 18:10:00,648 INFO L290 TraceCheckUtils]: 16: Hoare triple {470#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {470#false} is VALID [2022-02-20 18:10:00,648 INFO L290 TraceCheckUtils]: 17: Hoare triple {470#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {470#false} is VALID [2022-02-20 18:10:00,649 INFO L290 TraceCheckUtils]: 18: Hoare triple {470#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {470#false} is VALID [2022-02-20 18:10:00,649 INFO L290 TraceCheckUtils]: 19: Hoare triple {470#false} assume !false; {470#false} is VALID [2022-02-20 18:10:00,649 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 18:10:00,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:00,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545010492] [2022-02-20 18:10:00,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545010492] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:00,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:00,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:10:00,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512992812] [2022-02-20 18:10:00,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:00,652 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 18:10:00,653 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:00,653 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 18:10:00,670 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 18:10:00,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:10:00,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:10:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:00,672 INFO L87 Difference]: Start difference. First operand 59 states and 75 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 18:10:00,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:00,759 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-02-20 18:10:00,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:10:00,760 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 18:10:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:00,760 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 18:10:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2022-02-20 18:10:00,765 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 18:10:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2022-02-20 18:10:00,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 105 transitions. [2022-02-20 18:10:00,877 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:00,880 INFO L225 Difference]: With dead ends: 83 [2022-02-20 18:10:00,881 INFO L226 Difference]: Without dead ends: 50 [2022-02-20 18:10:00,885 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 18:10:00,887 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 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 18:10:00,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-02-20 18:10:00,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-02-20 18:10:00,899 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:00,899 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 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 18:10:00,901 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 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 18:10:00,902 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 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 18:10:00,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:00,909 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-02-20 18:10:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-02-20 18:10:00,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:00,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:00,913 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 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 50 states. [2022-02-20 18:10:00,914 INFO L87 Difference]: Start difference. First operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 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 50 states. [2022-02-20 18:10:00,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:00,918 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2022-02-20 18:10:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-02-20 18:10:00,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:00,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:00,926 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:00,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:00,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 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 18:10:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-02-20 18:10:00,930 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 20 [2022-02-20 18:10:00,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:00,931 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-02-20 18:10:00,931 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 18:10:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-02-20 18:10:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:10:00,932 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:00,933 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 18:10:00,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:10:00,933 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:00,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -810441205, now seen corresponding path program 1 times [2022-02-20 18:10:00,935 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:00,935 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49299990] [2022-02-20 18:10:00,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:01,048 INFO L290 TraceCheckUtils]: 0: Hoare triple {770#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {770#true} is VALID [2022-02-20 18:10:01,048 INFO L290 TraceCheckUtils]: 1: Hoare triple {770#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {770#true} is VALID [2022-02-20 18:10:01,049 INFO L290 TraceCheckUtils]: 2: Hoare triple {770#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {770#true} is VALID [2022-02-20 18:10:01,049 INFO L290 TraceCheckUtils]: 3: Hoare triple {770#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {772#(= |ULTIMATE.start_valid_product_#res#1| 1)} is VALID [2022-02-20 18:10:01,050 INFO L290 TraceCheckUtils]: 4: Hoare triple {772#(= |ULTIMATE.start_valid_product_#res#1| 1)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {773#(= |ULTIMATE.start_main_~tmp~0#1| 1)} is VALID [2022-02-20 18:10:01,050 INFO L290 TraceCheckUtils]: 5: Hoare triple {773#(= |ULTIMATE.start_main_~tmp~0#1| 1)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {770#true} is VALID [2022-02-20 18:10:01,051 INFO L290 TraceCheckUtils]: 6: Hoare triple {770#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {770#true} is VALID [2022-02-20 18:10:01,051 INFO L290 TraceCheckUtils]: 7: Hoare triple {770#true} assume !false; {770#true} is VALID [2022-02-20 18:10:01,051 INFO L290 TraceCheckUtils]: 8: Hoare triple {770#true} assume test_~splverifierCounter~0#1 < 4; {770#true} is VALID [2022-02-20 18:10:01,051 INFO L290 TraceCheckUtils]: 9: Hoare triple {770#true} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {770#true} is VALID [2022-02-20 18:10:01,052 INFO L290 TraceCheckUtils]: 10: Hoare triple {770#true} assume !(0 != test_~tmp~3#1); {770#true} is VALID [2022-02-20 18:10:01,052 INFO L290 TraceCheckUtils]: 11: Hoare triple {770#true} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {770#true} is VALID [2022-02-20 18:10:01,052 INFO L290 TraceCheckUtils]: 12: Hoare triple {770#true} assume !(0 != test_~tmp___0~1#1); {770#true} is VALID [2022-02-20 18:10:01,052 INFO L290 TraceCheckUtils]: 13: Hoare triple {770#true} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {770#true} is VALID [2022-02-20 18:10:01,053 INFO L290 TraceCheckUtils]: 14: Hoare triple {770#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {774#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:01,053 INFO L290 TraceCheckUtils]: 15: Hoare triple {774#(not (= 0 ~systemActive~0))} assume { :end_inline_startSystem } true; {774#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:01,054 INFO L272 TraceCheckUtils]: 16: Hoare triple {774#(not (= 0 ~systemActive~0))} call timeShift(); {774#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:01,055 INFO L290 TraceCheckUtils]: 17: Hoare triple {774#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {774#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:10:01,055 INFO L290 TraceCheckUtils]: 18: Hoare triple {774#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {771#false} is VALID [2022-02-20 18:10:01,055 INFO L290 TraceCheckUtils]: 19: Hoare triple {771#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {771#false} is VALID [2022-02-20 18:10:01,056 INFO L290 TraceCheckUtils]: 20: Hoare triple {771#false} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {771#false} is VALID [2022-02-20 18:10:01,056 INFO L290 TraceCheckUtils]: 21: Hoare triple {771#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {771#false} is VALID [2022-02-20 18:10:01,056 INFO L290 TraceCheckUtils]: 22: Hoare triple {771#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {771#false} is VALID [2022-02-20 18:10:01,056 INFO L290 TraceCheckUtils]: 23: Hoare triple {771#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {771#false} is VALID [2022-02-20 18:10:01,057 INFO L290 TraceCheckUtils]: 24: Hoare triple {771#false} assume !false; {771#false} is VALID [2022-02-20 18:10:01,057 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 18:10:01,057 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:01,057 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49299990] [2022-02-20 18:10:01,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49299990] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:01,058 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:01,058 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:10:01,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848347759] [2022-02-20 18:10:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:01,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) 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 18:10:01,059 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:01,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.8) 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 18:10:01,081 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 18:10:01,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:10:01,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:01,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:10:01,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:10:01,082 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 5 states, 5 states have (on average 4.8) 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 18:10:01,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:01,324 INFO L93 Difference]: Finished difference Result 93 states and 120 transitions. [2022-02-20 18:10:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:10:01,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) 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 18:10:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.8) 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 18:10:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2022-02-20 18:10:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.8) 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 18:10:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2022-02-20 18:10:01,330 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 120 transitions. [2022-02-20 18:10:01,455 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 18:10:01,458 INFO L225 Difference]: With dead ends: 93 [2022-02-20 18:10:01,458 INFO L226 Difference]: Without dead ends: 50 [2022-02-20 18:10:01,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:10:01,462 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 88 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:01,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 136 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-02-20 18:10:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-02-20 18:10:01,471 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:01,472 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 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 18:10:01,472 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 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 18:10:01,473 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 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 18:10:01,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:01,475 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-02-20 18:10:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-02-20 18:10:01,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:01,476 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:01,476 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 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 50 states. [2022-02-20 18:10:01,477 INFO L87 Difference]: Start difference. First operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 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 50 states. [2022-02-20 18:10:01,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:01,478 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-02-20 18:10:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-02-20 18:10:01,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:01,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:01,479 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:01,479 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:01,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 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 18:10:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-02-20 18:10:01,481 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 25 [2022-02-20 18:10:01,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:01,481 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-02-20 18:10:01,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) 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 18:10:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-02-20 18:10:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:10:01,482 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:01,482 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 18:10:01,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:10:01,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:01,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:01,483 INFO L85 PathProgramCache]: Analyzing trace with hash 475641660, now seen corresponding path program 1 times [2022-02-20 18:10:01,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:01,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400601506] [2022-02-20 18:10:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:10:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:01,569 INFO L290 TraceCheckUtils]: 0: Hoare triple {1090#true} assume true; {1090#true} is VALID [2022-02-20 18:10:01,569 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1090#true} {1095#(not (= ~waterLevel~0 0))} #187#return; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,570 INFO L290 TraceCheckUtils]: 0: Hoare triple {1090#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1092#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:01,570 INFO L290 TraceCheckUtils]: 1: Hoare triple {1092#(= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {1092#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:01,571 INFO L290 TraceCheckUtils]: 2: Hoare triple {1092#(= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1092#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:01,571 INFO L290 TraceCheckUtils]: 3: Hoare triple {1092#(= ~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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {1093#(= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0)} is VALID [2022-02-20 18:10:01,572 INFO L290 TraceCheckUtils]: 4: Hoare triple {1093#(= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {1094#(= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|)} is VALID [2022-02-20 18:10:01,573 INFO L290 TraceCheckUtils]: 5: Hoare triple {1094#(= ~waterLevel~0 |ULTIMATE.start_main_~tmp~0#1|)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,573 INFO L290 TraceCheckUtils]: 6: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,574 INFO L290 TraceCheckUtils]: 7: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume !false; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,574 INFO L290 TraceCheckUtils]: 8: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume test_~splverifierCounter~0#1 < 4; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,574 INFO L290 TraceCheckUtils]: 9: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,575 INFO L290 TraceCheckUtils]: 10: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume !(0 != test_~tmp~3#1); {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,575 INFO L290 TraceCheckUtils]: 11: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,576 INFO L290 TraceCheckUtils]: 12: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume !(0 != test_~tmp___0~1#1); {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,576 INFO L290 TraceCheckUtils]: 13: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,577 INFO L290 TraceCheckUtils]: 14: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,577 INFO L290 TraceCheckUtils]: 15: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume { :end_inline_startSystem } true; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,578 INFO L272 TraceCheckUtils]: 16: Hoare triple {1095#(not (= ~waterLevel~0 0))} call timeShift(); {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,578 INFO L290 TraceCheckUtils]: 17: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume !(0 != ~pumpRunning~0); {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,578 INFO L290 TraceCheckUtils]: 18: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,579 INFO L290 TraceCheckUtils]: 19: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume !(0 != ~pumpRunning~0); {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,579 INFO L272 TraceCheckUtils]: 20: Hoare triple {1095#(not (= ~waterLevel~0 0))} call processEnvironment__wrappee__base(); {1090#true} is VALID [2022-02-20 18:10:01,581 INFO L290 TraceCheckUtils]: 21: Hoare triple {1090#true} assume true; {1090#true} is VALID [2022-02-20 18:10:01,581 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1090#true} {1095#(not (= ~waterLevel~0 0))} #187#return; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,585 INFO L290 TraceCheckUtils]: 23: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume { :end_inline_processEnvironment } true; {1095#(not (= ~waterLevel~0 0))} is VALID [2022-02-20 18:10:01,586 INFO L290 TraceCheckUtils]: 24: Hoare triple {1095#(not (= ~waterLevel~0 0))} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {1098#(not (= |timeShift_getWaterLevel_#res#1| 0))} is VALID [2022-02-20 18:10:01,586 INFO L290 TraceCheckUtils]: 25: Hoare triple {1098#(not (= |timeShift_getWaterLevel_#res#1| 0))} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {1099#(not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 0))} is VALID [2022-02-20 18:10:01,587 INFO L290 TraceCheckUtils]: 26: Hoare triple {1099#(not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 0))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {1091#false} is VALID [2022-02-20 18:10:01,587 INFO L290 TraceCheckUtils]: 27: Hoare triple {1091#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {1091#false} is VALID [2022-02-20 18:10:01,587 INFO L290 TraceCheckUtils]: 28: Hoare triple {1091#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {1091#false} is VALID [2022-02-20 18:10:01,588 INFO L290 TraceCheckUtils]: 29: Hoare triple {1091#false} assume !false; {1091#false} is VALID [2022-02-20 18:10:01,588 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 18:10:01,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:01,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400601506] [2022-02-20 18:10:01,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400601506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:01,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:01,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 18:10:01,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001035135] [2022-02-20 18:10:01,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:01,591 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 18:10:01,591 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:01,591 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 18:10:01,619 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 18:10:01,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 18:10:01,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:01,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 18:10:01,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-20 18:10:01,620 INFO L87 Difference]: Start difference. First operand 50 states and 62 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 18:10:02,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:02,121 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-02-20 18:10:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 18:10:02,121 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 18:10:02,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:02,121 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 18:10:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2022-02-20 18:10:02,126 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 18:10:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 229 transitions. [2022-02-20 18:10:02,130 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 229 transitions. [2022-02-20 18:10:02,290 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 229 edges. 229 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:02,294 INFO L225 Difference]: With dead ends: 171 [2022-02-20 18:10:02,294 INFO L226 Difference]: Without dead ends: 128 [2022-02-20 18:10:02,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-20 18:10:02,295 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 124 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:02,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 417 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:10:02,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-02-20 18:10:02,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2022-02-20 18:10:02,306 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:02,307 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 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 18:10:02,307 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 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 18:10:02,308 INFO L87 Difference]: Start difference. First operand 128 states. Second operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 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 18:10:02,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:02,312 INFO L93 Difference]: Finished difference Result 128 states and 167 transitions. [2022-02-20 18:10:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2022-02-20 18:10:02,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:02,313 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:02,314 INFO L74 IsIncluded]: Start isIncluded. First operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 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 128 states. [2022-02-20 18:10:02,314 INFO L87 Difference]: Start difference. First operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 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 128 states. [2022-02-20 18:10:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:02,321 INFO L93 Difference]: Finished difference Result 128 states and 167 transitions. [2022-02-20 18:10:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2022-02-20 18:10:02,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:02,322 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:02,322 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:02,322 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 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 18:10:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2022-02-20 18:10:02,330 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 30 [2022-02-20 18:10:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:02,330 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2022-02-20 18:10:02,331 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 18:10:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2022-02-20 18:10:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 18:10:02,332 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:02,332 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 18:10:02,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:10:02,332 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:02,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:02,333 INFO L85 PathProgramCache]: Analyzing trace with hash 557208599, now seen corresponding path program 1 times [2022-02-20 18:10:02,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:02,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059266719] [2022-02-20 18:10:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:02,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-02-20 18:10:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,406 INFO L290 TraceCheckUtils]: 0: Hoare triple {1798#true} assume true; {1798#true} is VALID [2022-02-20 18:10:02,406 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1798#true} {1799#false} #187#return; {1799#false} is VALID [2022-02-20 18:10:02,407 INFO L290 TraceCheckUtils]: 0: Hoare triple {1798#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,407 INFO L290 TraceCheckUtils]: 1: Hoare triple {1800#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,408 INFO L290 TraceCheckUtils]: 2: Hoare triple {1800#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,408 INFO L290 TraceCheckUtils]: 3: Hoare triple {1800#(= ~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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,408 INFO L290 TraceCheckUtils]: 4: Hoare triple {1800#(= ~pumpRunning~0 0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,409 INFO L290 TraceCheckUtils]: 5: Hoare triple {1800#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,409 INFO L290 TraceCheckUtils]: 6: Hoare triple {1800#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,409 INFO L290 TraceCheckUtils]: 7: Hoare triple {1800#(= ~pumpRunning~0 0)} assume !false; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,410 INFO L290 TraceCheckUtils]: 8: Hoare triple {1800#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,410 INFO L290 TraceCheckUtils]: 9: Hoare triple {1800#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,411 INFO L290 TraceCheckUtils]: 10: Hoare triple {1800#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~3#1); {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,411 INFO L290 TraceCheckUtils]: 11: Hoare triple {1800#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,412 INFO L290 TraceCheckUtils]: 12: Hoare triple {1800#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~1#1); {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,412 INFO L290 TraceCheckUtils]: 13: Hoare triple {1800#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,413 INFO L290 TraceCheckUtils]: 14: Hoare triple {1800#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,413 INFO L290 TraceCheckUtils]: 15: Hoare triple {1800#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,413 INFO L272 TraceCheckUtils]: 16: Hoare triple {1800#(= ~pumpRunning~0 0)} call timeShift(); {1800#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,414 INFO L290 TraceCheckUtils]: 17: Hoare triple {1800#(= ~pumpRunning~0 0)} assume 0 != ~pumpRunning~0;assume { :begin_inline_lowerWaterLevel } true; {1799#false} is VALID [2022-02-20 18:10:02,414 INFO L290 TraceCheckUtils]: 18: Hoare triple {1799#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {1799#false} is VALID [2022-02-20 18:10:02,414 INFO L290 TraceCheckUtils]: 19: Hoare triple {1799#false} assume { :end_inline_lowerWaterLevel } true; {1799#false} is VALID [2022-02-20 18:10:02,415 INFO L290 TraceCheckUtils]: 20: Hoare triple {1799#false} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {1799#false} is VALID [2022-02-20 18:10:02,415 INFO L290 TraceCheckUtils]: 21: Hoare triple {1799#false} assume !(0 != ~pumpRunning~0); {1799#false} is VALID [2022-02-20 18:10:02,415 INFO L272 TraceCheckUtils]: 22: Hoare triple {1799#false} call processEnvironment__wrappee__base(); {1798#true} is VALID [2022-02-20 18:10:02,415 INFO L290 TraceCheckUtils]: 23: Hoare triple {1798#true} assume true; {1798#true} is VALID [2022-02-20 18:10:02,415 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {1798#true} {1799#false} #187#return; {1799#false} is VALID [2022-02-20 18:10:02,415 INFO L290 TraceCheckUtils]: 25: Hoare triple {1799#false} assume { :end_inline_processEnvironment } true; {1799#false} is VALID [2022-02-20 18:10:02,416 INFO L290 TraceCheckUtils]: 26: Hoare triple {1799#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {1799#false} is VALID [2022-02-20 18:10:02,416 INFO L290 TraceCheckUtils]: 27: Hoare triple {1799#false} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {1799#false} is VALID [2022-02-20 18:10:02,416 INFO L290 TraceCheckUtils]: 28: Hoare triple {1799#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {1799#false} is VALID [2022-02-20 18:10:02,416 INFO L290 TraceCheckUtils]: 29: Hoare triple {1799#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {1799#false} is VALID [2022-02-20 18:10:02,416 INFO L290 TraceCheckUtils]: 30: Hoare triple {1799#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {1799#false} is VALID [2022-02-20 18:10:02,416 INFO L290 TraceCheckUtils]: 31: Hoare triple {1799#false} assume !false; {1799#false} is VALID [2022-02-20 18:10:02,417 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 18:10:02,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:02,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059266719] [2022-02-20 18:10:02,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059266719] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:02,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:02,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:10:02,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711061885] [2022-02-20 18:10:02,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:02,418 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 18:10:02,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:02,419 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 18:10:02,457 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 18:10:02,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:10:02,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:02,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:10:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:02,458 INFO L87 Difference]: Start difference. First operand 123 states and 157 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 18:10:02,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:02,514 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2022-02-20 18:10:02,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:10:02,514 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 18:10:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:02,515 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 18:10:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2022-02-20 18:10:02,516 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 18:10:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2022-02-20 18:10:02,518 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 108 transitions. [2022-02-20 18:10:02,593 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:02,596 INFO L225 Difference]: With dead ends: 219 [2022-02-20 18:10:02,596 INFO L226 Difference]: Without dead ends: 103 [2022-02-20 18:10:02,598 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 18:10:02,598 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 18:10:02,599 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 18:10:02,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-02-20 18:10:02,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-02-20 18:10:02,607 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:02,608 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 18:10:02,608 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 18:10:02,609 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 18:10:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:02,612 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2022-02-20 18:10:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-02-20 18:10:02,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:02,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:02,613 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 18:10:02,613 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 18:10:02,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:02,616 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2022-02-20 18:10:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-02-20 18:10:02,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:02,617 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:02,617 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:02,617 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:02,617 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 18:10:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-02-20 18:10:02,620 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 32 [2022-02-20 18:10:02,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:02,621 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-02-20 18:10:02,621 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 18:10:02,621 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-02-20 18:10:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-20 18:10:02,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:02,622 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 18:10:02,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 18:10:02,623 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:02,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:02,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1600959184, now seen corresponding path program 1 times [2022-02-20 18:10:02,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:02,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826387940] [2022-02-20 18:10:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:02,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-20 18:10:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,695 INFO L290 TraceCheckUtils]: 0: Hoare triple {2495#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2469#true} is VALID [2022-02-20 18:10:02,696 INFO L290 TraceCheckUtils]: 1: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,697 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #193#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:10:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 18:10:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,714 INFO L290 TraceCheckUtils]: 0: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,714 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #187#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,715 INFO L290 TraceCheckUtils]: 0: Hoare triple {2496#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,715 INFO L290 TraceCheckUtils]: 1: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,715 INFO L290 TraceCheckUtils]: 2: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,715 INFO L272 TraceCheckUtils]: 3: Hoare triple {2471#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {2469#true} is VALID [2022-02-20 18:10:02,716 INFO L290 TraceCheckUtils]: 4: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,716 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #187#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,716 INFO L290 TraceCheckUtils]: 6: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,717 INFO L290 TraceCheckUtils]: 7: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,717 INFO L290 TraceCheckUtils]: 8: Hoare triple {2471#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,717 INFO L290 TraceCheckUtils]: 9: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,718 INFO L290 TraceCheckUtils]: 10: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,718 INFO L290 TraceCheckUtils]: 11: Hoare triple {2471#(= ~pumpRunning~0 0)} assume true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,719 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2471#(= ~pumpRunning~0 0)} {2471#(= ~pumpRunning~0 0)} #197#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 18:10:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,728 INFO L290 TraceCheckUtils]: 0: Hoare triple {2495#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2469#true} is VALID [2022-02-20 18:10:02,728 INFO L290 TraceCheckUtils]: 1: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,729 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #193#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 18:10:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,738 INFO L290 TraceCheckUtils]: 0: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,739 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #187#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,739 INFO L290 TraceCheckUtils]: 0: Hoare triple {2469#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,740 INFO L290 TraceCheckUtils]: 1: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,740 INFO L290 TraceCheckUtils]: 2: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,741 INFO L290 TraceCheckUtils]: 3: Hoare triple {2471#(= ~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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,741 INFO L290 TraceCheckUtils]: 4: Hoare triple {2471#(= ~pumpRunning~0 0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,741 INFO L290 TraceCheckUtils]: 5: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,742 INFO L290 TraceCheckUtils]: 6: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,742 INFO L290 TraceCheckUtils]: 7: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !false; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,742 INFO L290 TraceCheckUtils]: 8: Hoare triple {2471#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,743 INFO L290 TraceCheckUtils]: 9: Hoare triple {2471#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,743 INFO L290 TraceCheckUtils]: 10: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != test_~tmp~3#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,744 INFO L272 TraceCheckUtils]: 11: Hoare triple {2471#(= ~pumpRunning~0 0)} call waterRise(); {2495#(= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:02,744 INFO L290 TraceCheckUtils]: 12: Hoare triple {2495#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2469#true} is VALID [2022-02-20 18:10:02,744 INFO L290 TraceCheckUtils]: 13: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,744 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #193#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,745 INFO L290 TraceCheckUtils]: 15: Hoare triple {2471#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,745 INFO L290 TraceCheckUtils]: 16: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~1#1); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,746 INFO L290 TraceCheckUtils]: 17: Hoare triple {2471#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,746 INFO L290 TraceCheckUtils]: 18: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,746 INFO L290 TraceCheckUtils]: 19: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,747 INFO L272 TraceCheckUtils]: 20: Hoare triple {2471#(= ~pumpRunning~0 0)} call timeShift(); {2496#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))} is VALID [2022-02-20 18:10:02,747 INFO L290 TraceCheckUtils]: 21: Hoare triple {2496#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,747 INFO L290 TraceCheckUtils]: 22: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,748 INFO L290 TraceCheckUtils]: 23: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,748 INFO L272 TraceCheckUtils]: 24: Hoare triple {2471#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {2469#true} is VALID [2022-02-20 18:10:02,748 INFO L290 TraceCheckUtils]: 25: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,749 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #187#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,749 INFO L290 TraceCheckUtils]: 27: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,749 INFO L290 TraceCheckUtils]: 28: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,750 INFO L290 TraceCheckUtils]: 29: Hoare triple {2471#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,750 INFO L290 TraceCheckUtils]: 30: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,750 INFO L290 TraceCheckUtils]: 31: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,754 INFO L290 TraceCheckUtils]: 32: Hoare triple {2471#(= ~pumpRunning~0 0)} assume true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,755 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {2471#(= ~pumpRunning~0 0)} {2471#(= ~pumpRunning~0 0)} #197#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,755 INFO L290 TraceCheckUtils]: 34: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !false; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,755 INFO L290 TraceCheckUtils]: 35: Hoare triple {2471#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,756 INFO L290 TraceCheckUtils]: 36: Hoare triple {2471#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,756 INFO L290 TraceCheckUtils]: 37: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != test_~tmp~3#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,757 INFO L272 TraceCheckUtils]: 38: Hoare triple {2471#(= ~pumpRunning~0 0)} call waterRise(); {2495#(= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:02,757 INFO L290 TraceCheckUtils]: 39: Hoare triple {2495#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2469#true} is VALID [2022-02-20 18:10:02,757 INFO L290 TraceCheckUtils]: 40: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,757 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #193#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,758 INFO L290 TraceCheckUtils]: 42: Hoare triple {2471#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,758 INFO L290 TraceCheckUtils]: 43: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~1#1); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,759 INFO L290 TraceCheckUtils]: 44: Hoare triple {2471#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,759 INFO L290 TraceCheckUtils]: 45: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,759 INFO L290 TraceCheckUtils]: 46: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,760 INFO L272 TraceCheckUtils]: 47: Hoare triple {2471#(= ~pumpRunning~0 0)} call timeShift(); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,763 INFO L290 TraceCheckUtils]: 48: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,763 INFO L290 TraceCheckUtils]: 49: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,764 INFO L290 TraceCheckUtils]: 50: Hoare triple {2471#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,764 INFO L272 TraceCheckUtils]: 51: Hoare triple {2471#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {2469#true} is VALID [2022-02-20 18:10:02,764 INFO L290 TraceCheckUtils]: 52: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:02,764 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {2469#true} {2471#(= ~pumpRunning~0 0)} #187#return; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,765 INFO L290 TraceCheckUtils]: 54: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,765 INFO L290 TraceCheckUtils]: 55: Hoare triple {2471#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,765 INFO L290 TraceCheckUtils]: 56: Hoare triple {2471#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2471#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:02,766 INFO L290 TraceCheckUtils]: 57: Hoare triple {2471#(= ~pumpRunning~0 0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {2493#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:10:02,766 INFO L290 TraceCheckUtils]: 58: Hoare triple {2493#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {2494#(= |timeShift___utac_acc__Specification4_spec__1_~tmp___0~0#1| 0)} is VALID [2022-02-20 18:10:02,767 INFO L290 TraceCheckUtils]: 59: Hoare triple {2494#(= |timeShift___utac_acc__Specification4_spec__1_~tmp___0~0#1| 0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {2470#false} is VALID [2022-02-20 18:10:02,767 INFO L290 TraceCheckUtils]: 60: Hoare triple {2470#false} assume !false; {2470#false} is VALID [2022-02-20 18:10:02,767 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 18:10:02,768 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:02,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826387940] [2022-02-20 18:10:02,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826387940] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 18:10:02,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961887363] [2022-02-20 18:10:02,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:02,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 18:10:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:10:02,771 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 18:10:02,788 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 18:10:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 18:10:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:02,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 18:10:03,380 INFO L290 TraceCheckUtils]: 0: Hoare triple {2469#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,381 INFO L290 TraceCheckUtils]: 3: Hoare triple {2502#(<= 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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,382 INFO L290 TraceCheckUtils]: 4: Hoare triple {2502#(<= 1 ~waterLevel~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,382 INFO L290 TraceCheckUtils]: 5: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,382 INFO L290 TraceCheckUtils]: 6: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,383 INFO L290 TraceCheckUtils]: 7: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume !false; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,383 INFO L290 TraceCheckUtils]: 8: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,383 INFO L290 TraceCheckUtils]: 9: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,384 INFO L290 TraceCheckUtils]: 10: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~3#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,384 INFO L272 TraceCheckUtils]: 11: Hoare triple {2502#(<= 1 ~waterLevel~0)} call waterRise(); {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,385 INFO L290 TraceCheckUtils]: 12: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2540#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} is VALID [2022-02-20 18:10:03,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {2540#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} assume true; {2540#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} is VALID [2022-02-20 18:10:03,386 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2540#(<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)} {2502#(<= 1 ~waterLevel~0)} #193#return; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,387 INFO L290 TraceCheckUtils]: 16: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1#1); {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,387 INFO L290 TraceCheckUtils]: 17: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,388 INFO L290 TraceCheckUtils]: 18: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,388 INFO L290 TraceCheckUtils]: 19: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume { :end_inline_startSystem } true; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,388 INFO L272 TraceCheckUtils]: 20: Hoare triple {2547#(<= 2 ~waterLevel~0)} call timeShift(); {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,389 INFO L290 TraceCheckUtils]: 21: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,389 INFO L290 TraceCheckUtils]: 23: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,390 INFO L272 TraceCheckUtils]: 24: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} call processEnvironment__wrappee__base(); {2469#true} is VALID [2022-02-20 18:10:03,390 INFO L290 TraceCheckUtils]: 25: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:03,390 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2469#true} {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} #187#return; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,390 INFO L290 TraceCheckUtils]: 27: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume { :end_inline_processEnvironment } true; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,391 INFO L290 TraceCheckUtils]: 28: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,391 INFO L290 TraceCheckUtils]: 29: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,391 INFO L290 TraceCheckUtils]: 30: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,392 INFO L290 TraceCheckUtils]: 31: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,395 INFO L290 TraceCheckUtils]: 32: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume true; {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,397 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} {2547#(<= 2 ~waterLevel~0)} #197#return; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,398 INFO L290 TraceCheckUtils]: 34: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume !false; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,405 INFO L290 TraceCheckUtils]: 35: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,405 INFO L290 TraceCheckUtils]: 36: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,406 INFO L290 TraceCheckUtils]: 37: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~3#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:03,406 INFO L272 TraceCheckUtils]: 38: Hoare triple {2547#(<= 2 ~waterLevel~0)} call waterRise(); {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:03,407 INFO L290 TraceCheckUtils]: 39: Hoare triple {2536#(<= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2623#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:03,408 INFO L290 TraceCheckUtils]: 40: Hoare triple {2623#(< |old(~waterLevel~0)| 2)} assume true; {2623#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:03,411 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2623#(< |old(~waterLevel~0)| 2)} {2547#(<= 2 ~waterLevel~0)} #193#return; {2470#false} is VALID [2022-02-20 18:10:03,411 INFO L290 TraceCheckUtils]: 42: Hoare triple {2470#false} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 43: Hoare triple {2470#false} assume !(0 != test_~tmp___0~1#1); {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 44: Hoare triple {2470#false} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 45: Hoare triple {2470#false} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 46: Hoare triple {2470#false} assume { :end_inline_startSystem } true; {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L272 TraceCheckUtils]: 47: Hoare triple {2470#false} call timeShift(); {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 48: Hoare triple {2470#false} assume !(0 != ~pumpRunning~0); {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 49: Hoare triple {2470#false} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2470#false} is VALID [2022-02-20 18:10:03,412 INFO L290 TraceCheckUtils]: 50: Hoare triple {2470#false} assume !(0 != ~pumpRunning~0); {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L272 TraceCheckUtils]: 51: Hoare triple {2470#false} call processEnvironment__wrappee__base(); {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L290 TraceCheckUtils]: 52: Hoare triple {2470#false} assume true; {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {2470#false} {2470#false} #187#return; {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L290 TraceCheckUtils]: 54: Hoare triple {2470#false} assume { :end_inline_processEnvironment } true; {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L290 TraceCheckUtils]: 55: Hoare triple {2470#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L290 TraceCheckUtils]: 56: Hoare triple {2470#false} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2470#false} is VALID [2022-02-20 18:10:03,413 INFO L290 TraceCheckUtils]: 57: Hoare triple {2470#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {2470#false} is VALID [2022-02-20 18:10:03,414 INFO L290 TraceCheckUtils]: 58: Hoare triple {2470#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {2470#false} is VALID [2022-02-20 18:10:03,414 INFO L290 TraceCheckUtils]: 59: Hoare triple {2470#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {2470#false} is VALID [2022-02-20 18:10:03,414 INFO L290 TraceCheckUtils]: 60: Hoare triple {2470#false} assume !false; {2470#false} is VALID [2022-02-20 18:10:03,414 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 18:10:03,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 18:10:04,145 INFO L290 TraceCheckUtils]: 60: Hoare triple {2470#false} assume !false; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 59: Hoare triple {2470#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline___automaton_fail } true; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 58: Hoare triple {2470#false} __utac_acc__Specification4_spec__1_#t~ret11#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11#1 && __utac_acc__Specification4_spec__1_#t~ret11#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 57: Hoare triple {2470#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 56: Hoare triple {2470#false} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 55: Hoare triple {2470#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 54: Hoare triple {2470#false} assume { :end_inline_processEnvironment } true; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L284 TraceCheckUtils]: 53: Hoare quadruple {2469#true} {2470#false} #187#return; {2470#false} is VALID [2022-02-20 18:10:04,146 INFO L290 TraceCheckUtils]: 52: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:04,146 INFO L272 TraceCheckUtils]: 51: Hoare triple {2470#false} call processEnvironment__wrappee__base(); {2469#true} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 50: Hoare triple {2470#false} assume !(0 != ~pumpRunning~0); {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 49: Hoare triple {2470#false} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 48: Hoare triple {2470#false} assume !(0 != ~pumpRunning~0); {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L272 TraceCheckUtils]: 47: Hoare triple {2470#false} call timeShift(); {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 46: Hoare triple {2470#false} assume { :end_inline_startSystem } true; {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 45: Hoare triple {2470#false} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 44: Hoare triple {2470#false} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 43: Hoare triple {2470#false} assume !(0 != test_~tmp___0~1#1); {2470#false} is VALID [2022-02-20 18:10:04,147 INFO L290 TraceCheckUtils]: 42: Hoare triple {2470#false} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2470#false} is VALID [2022-02-20 18:10:04,148 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2623#(< |old(~waterLevel~0)| 2)} {2547#(<= 2 ~waterLevel~0)} #193#return; {2470#false} is VALID [2022-02-20 18:10:04,148 INFO L290 TraceCheckUtils]: 40: Hoare triple {2623#(< |old(~waterLevel~0)| 2)} assume true; {2623#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:04,149 INFO L290 TraceCheckUtils]: 39: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2623#(< |old(~waterLevel~0)| 2)} is VALID [2022-02-20 18:10:04,149 INFO L272 TraceCheckUtils]: 38: Hoare triple {2547#(<= 2 ~waterLevel~0)} call waterRise(); {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,150 INFO L290 TraceCheckUtils]: 37: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp~3#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,150 INFO L290 TraceCheckUtils]: 36: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,151 INFO L290 TraceCheckUtils]: 35: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,151 INFO L290 TraceCheckUtils]: 34: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume !false; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,152 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} {2547#(<= 2 ~waterLevel~0)} #197#return; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,152 INFO L290 TraceCheckUtils]: 32: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume true; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,153 INFO L290 TraceCheckUtils]: 31: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,153 INFO L290 TraceCheckUtils]: 30: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,154 INFO L290 TraceCheckUtils]: 29: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10#1 && __utac_acc__Specification4_spec__1_#t~ret10#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,154 INFO L290 TraceCheckUtils]: 28: Hoare triple {2753#(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~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,155 INFO L290 TraceCheckUtils]: 27: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume { :end_inline_processEnvironment } true; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,156 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2469#true} {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} #187#return; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,156 INFO L290 TraceCheckUtils]: 25: Hoare triple {2469#true} assume true; {2469#true} is VALID [2022-02-20 18:10:04,156 INFO L272 TraceCheckUtils]: 24: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} call processEnvironment__wrappee__base(); {2469#true} is VALID [2022-02-20 18:10:04,156 INFO L290 TraceCheckUtils]: 23: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume !(0 != ~pumpRunning~0); {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,157 INFO L290 TraceCheckUtils]: 22: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,157 INFO L290 TraceCheckUtils]: 21: Hoare triple {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} assume !(0 != ~pumpRunning~0); {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,158 INFO L272 TraceCheckUtils]: 20: Hoare triple {2547#(<= 2 ~waterLevel~0)} call timeShift(); {2753#(or (not (< ~waterLevel~0 2)) (< |old(~waterLevel~0)| 2))} is VALID [2022-02-20 18:10:04,158 INFO L290 TraceCheckUtils]: 19: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume { :end_inline_startSystem } true; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,158 INFO L290 TraceCheckUtils]: 18: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,159 INFO L290 TraceCheckUtils]: 17: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24#1 && test_#t~nondet24#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,159 INFO L290 TraceCheckUtils]: 16: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1#1); {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,159 INFO L290 TraceCheckUtils]: 15: Hoare triple {2547#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet23#1 && test_#t~nondet23#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,160 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2829#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} {2502#(<= 1 ~waterLevel~0)} #193#return; {2547#(<= 2 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,160 INFO L290 TraceCheckUtils]: 13: Hoare triple {2829#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} assume true; {2829#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} is VALID [2022-02-20 18:10:04,161 INFO L290 TraceCheckUtils]: 12: Hoare triple {2836#(or (< |old(~waterLevel~0)| 1) (<= 1 ~waterLevel~0))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2829#(or (< |old(~waterLevel~0)| 1) (<= 2 ~waterLevel~0))} is VALID [2022-02-20 18:10:04,161 INFO L272 TraceCheckUtils]: 11: Hoare triple {2502#(<= 1 ~waterLevel~0)} call waterRise(); {2836#(or (< |old(~waterLevel~0)| 1) (<= 1 ~waterLevel~0))} is VALID [2022-02-20 18:10:04,162 INFO L290 TraceCheckUtils]: 10: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume 0 != test_~tmp~3#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,162 INFO L290 TraceCheckUtils]: 9: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet22#1 && test_#t~nondet22#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,162 INFO L290 TraceCheckUtils]: 8: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume test_~splverifierCounter~0#1 < 4; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,163 INFO L290 TraceCheckUtils]: 7: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume !false; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,163 INFO L290 TraceCheckUtils]: 6: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,163 INFO L290 TraceCheckUtils]: 5: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,164 INFO L290 TraceCheckUtils]: 4: Hoare triple {2502#(<= 1 ~waterLevel~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,164 INFO L290 TraceCheckUtils]: 3: Hoare triple {2502#(<= 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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,164 INFO L290 TraceCheckUtils]: 1: Hoare triple {2502#(<= 1 ~waterLevel~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,167 INFO L290 TraceCheckUtils]: 0: Hoare triple {2469#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {2502#(<= 1 ~waterLevel~0)} is VALID [2022-02-20 18:10:04,167 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 18:10:04,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961887363] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 18:10:04,167 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 18:10:04,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2022-02-20 18:10:04,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54652095] [2022-02-20 18:10:04,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 18:10:04,169 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 18:10:04,170 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:04,170 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 18:10:04,256 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 18:10:04,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 18:10:04,256 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:04,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 18:10:04,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-02-20 18:10:04,259 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 18:10:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:04,948 INFO L93 Difference]: Finished difference Result 137 states and 161 transitions. [2022-02-20 18:10:04,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 18:10:04,949 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 18:10:04,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:04,950 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 18:10:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 126 transitions. [2022-02-20 18:10:04,953 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 18:10:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 126 transitions. [2022-02-20 18:10:04,954 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 126 transitions. [2022-02-20 18:10:05,064 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 18:10:05,064 INFO L225 Difference]: With dead ends: 137 [2022-02-20 18:10:05,064 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:10:05,065 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 18:10:05,065 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 123 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:05,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 350 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 18:10:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:10:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:10:05,066 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:05,066 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 18:10:05,067 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 18:10:05,067 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 18:10:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:05,067 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:10:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:05,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:05,067 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:05,067 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 18:10:05,067 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 18:10:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:05,067 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:10:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:05,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:05,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:05,068 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:05,068 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:05,068 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 18:10:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:10:05,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-02-20 18:10:05,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:05,068 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:10:05,069 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 18:10:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:05,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:05,071 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:10:05,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 18:10:05,291 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 18:10:05,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:10:06,230 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 296 302) no Hoare annotation was computed. [2022-02-20 18:10:06,230 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 296 302) the Hoare annotation is: true [2022-02-20 18:10:06,230 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 184 195) the Hoare annotation is: true [2022-02-20 18:10:06,230 INFO L858 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2022-02-20 18:10:06,230 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2022-02-20 18:10:06,230 INFO L858 garLoopResultBuilder]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2022-02-20 18:10:06,230 INFO L858 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2022-02-20 18:10:06,231 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 325) no Hoare annotation was computed. [2022-02-20 18:10:06,231 INFO L858 garLoopResultBuilder]: For program point L882(line 882) no Hoare annotation was computed. [2022-02-20 18:10:06,231 INFO L854 garLoopResultBuilder]: At program point L201(lines 196 204) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,231 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2022-02-20 18:10:06,231 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2022-02-20 18:10:06,231 INFO L854 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,231 INFO L854 garLoopResultBuilder]: At program point L342(lines 337 344) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,231 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 275 294) no Hoare annotation was computed. [2022-02-20 18:10:06,231 INFO L854 garLoopResultBuilder]: At program point L883(lines 878 885) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,231 INFO L854 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,231 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2022-02-20 18:10:06,232 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 261) no Hoare annotation was computed. [2022-02-20 18:10:06,232 INFO L854 garLoopResultBuilder]: At program point L248-1(lines 240 264) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-02-20 18:10:06,232 INFO L854 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-02-20 18:10:06,232 INFO L854 garLoopResultBuilder]: At program point L323-1(lines 304 328) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-02-20 18:10:06,234 INFO L854 garLoopResultBuilder]: At program point L352(lines 345 355) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,235 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-02-20 18:10:06,235 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2022-02-20 18:10:06,235 INFO L854 garLoopResultBuilder]: At program point L233(lines 228 236) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1)) .cse3))) [2022-02-20 18:10:06,235 INFO L854 garLoopResultBuilder]: At program point L361(lines 356 364) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-02-20 18:10:06,235 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2022-02-20 18:10:06,235 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-02-20 18:10:06,235 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-02-20 18:10:06,235 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-02-20 18:10:06,235 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-02-20 18:10:06,235 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-02-20 18:10:06,235 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-02-20 18:10:06,235 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-02-20 18:10:06,236 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-02-20 18:10:06,236 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-02-20 18:10:06,236 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-02-20 18:10:06,236 INFO L854 garLoopResultBuilder]: At program point L865(lines 861 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:10:06,236 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-02-20 18:10:06,236 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-02-20 18:10:06,236 INFO L854 garLoopResultBuilder]: At program point L465(lines 420 467) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-02-20 18:10:06,237 INFO L854 garLoopResultBuilder]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-02-20 18:10:06,237 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:10:06,237 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:10:06,237 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:10:06,238 INFO L854 garLoopResultBuilder]: At program point L858(lines 854 860) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:10:06,238 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-02-20 18:10:06,239 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2022-02-20 18:10:06,239 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-02-20 18:10:06,239 INFO L854 garLoopResultBuilder]: At program point L458-2(lines 450 463) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-02-20 18:10:06,239 INFO L858 garLoopResultBuilder]: For program point L421(lines 420 467) no Hoare annotation was computed. [2022-02-20 18:10:06,239 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 463) no Hoare annotation was computed. [2022-02-20 18:10:06,239 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:10:06,240 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-02-20 18:10:06,240 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-02-20 18:10:06,240 INFO L861 garLoopResultBuilder]: At program point L471(lines 410 475) the Hoare annotation is: true [2022-02-20 18:10:06,240 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-02-20 18:10:06,240 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2022-02-20 18:10:06,240 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2022-02-20 18:10:06,240 INFO L858 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2022-02-20 18:10:06,241 INFO L854 garLoopResultBuilder]: At program point L406(lines 401 408) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-02-20 18:10:06,241 INFO L854 garLoopResultBuilder]: At program point L468(lines 419 469) the Hoare annotation is: false [2022-02-20 18:10:06,241 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:10:06,241 INFO L854 garLoopResultBuilder]: At program point L873(lines 868 876) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:10:06,241 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2022-02-20 18:10:06,241 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2022-02-20 18:10:06,242 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 172 183) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2022-02-20 18:10:06,244 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-20 18:10:06,245 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:10:06,262 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:10:06,262 WARN L170 areAnnotationChecker]: L188-1 has no Hoare annotation [2022-02-20 18:10:06,262 WARN L170 areAnnotationChecker]: L188-1 has no Hoare annotation [2022-02-20 18:10:06,262 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2022-02-20 18:10:06,262 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: L188-1 has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2022-02-20 18:10:06,263 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2022-02-20 18:10:06,264 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2022-02-20 18:10:06,264 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2022-02-20 18:10:06,264 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: L283-1 has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2022-02-20 18:10:06,265 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2022-02-20 18:10:06,266 WARN L170 areAnnotationChecker]: L283-1 has no Hoare annotation [2022-02-20 18:10:06,266 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2022-02-20 18:10:06,266 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:10:06,266 WARN L170 areAnnotationChecker]: L440-1 has no Hoare annotation [2022-02-20 18:10:06,267 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 18:10:06,268 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 18:10:06,268 WARN L170 areAnnotationChecker]: L430-1 has no Hoare annotation [2022-02-20 18:10:06,268 WARN L170 areAnnotationChecker]: L450 has no Hoare annotation [2022-02-20 18:10:06,268 WARN L170 areAnnotationChecker]: L450 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2022-02-20 18:10:06,269 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2022-02-20 18:10:06,270 WARN L170 areAnnotationChecker]: L458 has no Hoare annotation [2022-02-20 18:10:06,270 WARN L170 areAnnotationChecker]: L458 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 18:10:06,271 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 18:10:06,272 WARN L170 areAnnotationChecker]: L440-1 has no Hoare annotation [2022-02-20 18:10:06,274 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 18:10:06,274 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 18:10:06,274 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:10:06,274 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2022-02-20 18:10:06,275 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: L882 has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: L882 has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2022-02-20 18:10:06,277 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:10:06,278 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2022-02-20 18:10:06,278 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2022-02-20 18:10:06,279 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:10:06,279 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2022-02-20 18:10:06,279 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2022-02-20 18:10:06,279 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2022-02-20 18:10:06,279 WARN L170 areAnnotationChecker]: L430-1 has no Hoare annotation [2022-02-20 18:10:06,280 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:10:06,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:10:06 BoogieIcfgContainer [2022-02-20 18:10:06,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:10:06,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:10:06,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:10:06,309 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:10:06,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:09:59" (3/4) ... [2022-02-20 18:10:06,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:10:06,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-02-20 18:10:06,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:10:06,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:10:06,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:10:06,316 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:10:06,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-02-20 18:10:06,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:10:06,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:10:06,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:10:06,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:10:06,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:10:06,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:10:06,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-02-20 18:10:06,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-02-20 18:10:06,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-02-20 18:10:06,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-02-20 18:10:06,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-02-20 18:10:06,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-02-20 18:10:06,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) [2022-02-20 18:10:06,354 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-02-20 18:10:06,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-02-20 18:10:06,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-02-20 18:10:06,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-02-20 18:10:06,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-02-20 18:10:06,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-02-20 18:10:06,384 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:10:06,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:10:06,386 INFO L158 Benchmark]: Toolchain (without parser) took 7745.62ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 56.6MB in the beginning and 80.3MB in the end (delta: -23.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,386 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 63.2MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:10:06,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.95ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 57.4MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.21ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 54.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,387 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 53.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,388 INFO L158 Benchmark]: RCFGBuilder took 520.24ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 85.8MB in the end (delta: -33.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,388 INFO L158 Benchmark]: TraceAbstraction took 6599.80ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: -57.6kB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,388 INFO L158 Benchmark]: Witness Printer took 76.49ms. Allocated memory is still 132.1MB. Free memory was 85.5MB in the beginning and 80.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:10:06,392 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 90.2MB. Free memory was 63.2MB in the beginning and 63.2MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.95ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 57.4MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.21ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 54.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.72ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 53.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.24ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 85.8MB in the end (delta: -33.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6599.80ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: -57.6kB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 76.49ms. Allocated memory is still 132.1MB. Free memory was 85.5MB in the beginning and 80.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 882]: 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 381 mSDsluCounter, 1141 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 762 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 379 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 603 HoareAnnotationTreeSize, 227 FomulaSimplifications, 105 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 372 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: 861]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2022-02-20 18:10:06,451 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