./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_product14.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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:10:05,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:10:05,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:10:05,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:10:05,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:10:05,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:10:05,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:10:05,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:10:05,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:10:05,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:10:05,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:10:05,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:10:05,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:10:05,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:10:05,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:10:05,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:10:05,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:10:05,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:10:05,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:10:05,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:10:05,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:10:05,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:10:05,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:10:05,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:10:05,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:10:05,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:10:05,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:10:05,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:10:05,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:10:05,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:10:05,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:10:05,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:10:05,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:10:05,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:10:05,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:10:05,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:10:05,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:10:05,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:10:05,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:10:05,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:10:05,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:10:05,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:10:05,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:10:05,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:10:05,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:10:05,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:10:05,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:10:05,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:10:05,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:10:05,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:10:05,484 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:10:05,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:10:05,485 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:10:05,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:10:05,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:10:05,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:10:05,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:10:05,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:10:05,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:10:05,486 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:10:05,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:10:05,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:10:05,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:10:05,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:10:05,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:10:05,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:10:05,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:10:05,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:10:05,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:10:05,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:10:05,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:10:05,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:10:05,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:10:05,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:10:05,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:10:05,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2022-02-20 18:10:05,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:10:05,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:10:05,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:10:05,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:10:05,673 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:10:05,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2022-02-20 18:10:05,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326b95ab0/3fb4f2ce096b44b79ccadf445d555ad1/FLAG482e3bac1 [2022-02-20 18:10:06,097 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:10:06,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2022-02-20 18:10:06,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326b95ab0/3fb4f2ce096b44b79ccadf445d555ad1/FLAG482e3bac1 [2022-02-20 18:10:06,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326b95ab0/3fb4f2ce096b44b79ccadf445d555ad1 [2022-02-20 18:10:06,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:10:06,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:10:06,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:10:06,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:10:06,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:10:06,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f62319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06, skipping insertion in model container [2022-02-20 18:10:06,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:10:06,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:10:06,371 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_product14.cil.c[15980,15993] [2022-02-20 18:10:06,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:10:06,384 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:10:06,439 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_product14.cil.c[15980,15993] [2022-02-20 18:10:06,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:10:06,457 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:10:06,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06 WrapperNode [2022-02-20 18:10:06,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:10:06,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:10:06,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:10:06,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:10:06,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,509 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 216 [2022-02-20 18:10:06,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:10:06,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:10:06,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:10:06,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:10:06,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:10:06,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:10:06,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:10:06,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:10:06,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (1/1) ... [2022-02-20 18:10:06,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:10:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:10:06,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:10:06,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:10:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:10:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:10:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:10:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:10:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:10:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:10:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:10:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-02-20 18:10:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-02-20 18:10:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-02-20 18:10:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-02-20 18:10:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:10:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:10:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:10:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:10:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:10:06,685 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:10:06,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:10:07,028 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:10:07,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:10:07,034 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:10:07,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:10:07 BoogieIcfgContainer [2022-02-20 18:10:07,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:10:07,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:10:07,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:10:07,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:10:07,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:10:06" (1/3) ... [2022-02-20 18:10:07,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651f984d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:10:07, skipping insertion in model container [2022-02-20 18:10:07,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:10:06" (2/3) ... [2022-02-20 18:10:07,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651f984d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:10:07, skipping insertion in model container [2022-02-20 18:10:07,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:10:07" (3/3) ... [2022-02-20 18:10:07,042 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2022-02-20 18:10:07,046 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:10:07,046 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:10:07,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:10:07,090 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:10:07,090 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:10:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-02-20 18:10:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 18:10:07,120 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:07,121 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:10:07,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:07,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:07,125 INFO L85 PathProgramCache]: Analyzing trace with hash 543073060, now seen corresponding path program 1 times [2022-02-20 18:10:07,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:07,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830763220] [2022-02-20 18:10:07,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:07,322 INFO L290 TraceCheckUtils]: 0: Hoare triple {75#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {75#true} is VALID [2022-02-20 18:10:07,326 INFO L290 TraceCheckUtils]: 1: Hoare triple {75#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; {75#true} is VALID [2022-02-20 18:10:07,326 INFO L290 TraceCheckUtils]: 2: Hoare triple {75#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {75#true} is VALID [2022-02-20 18:10:07,327 INFO L290 TraceCheckUtils]: 3: Hoare triple {75#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {75#true} is VALID [2022-02-20 18:10:07,327 INFO L290 TraceCheckUtils]: 4: Hoare triple {75#true} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {75#true} is VALID [2022-02-20 18:10:07,327 INFO L290 TraceCheckUtils]: 5: Hoare triple {75#true} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {75#true} is VALID [2022-02-20 18:10:07,328 INFO L290 TraceCheckUtils]: 6: Hoare triple {75#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {75#true} is VALID [2022-02-20 18:10:07,329 INFO L290 TraceCheckUtils]: 7: Hoare triple {75#true} assume !true; {76#false} is VALID [2022-02-20 18:10:07,329 INFO L272 TraceCheckUtils]: 8: Hoare triple {76#false} call cleanup(); {76#false} is VALID [2022-02-20 18:10:07,329 INFO L290 TraceCheckUtils]: 9: Hoare triple {76#false} havoc ~i~0;havoc ~__cil_tmp2~0; {76#false} is VALID [2022-02-20 18:10:07,330 INFO L272 TraceCheckUtils]: 10: Hoare triple {76#false} call timeShift(); {76#false} is VALID [2022-02-20 18:10:07,330 INFO L290 TraceCheckUtils]: 11: Hoare triple {76#false} assume !(0 != ~pumpRunning~0); {76#false} is VALID [2022-02-20 18:10:07,330 INFO L290 TraceCheckUtils]: 12: Hoare triple {76#false} assume !(0 != ~systemActive~0); {76#false} is VALID [2022-02-20 18:10:07,331 INFO L290 TraceCheckUtils]: 13: Hoare triple {76#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; {76#false} is VALID [2022-02-20 18:10:07,331 INFO L290 TraceCheckUtils]: 14: Hoare triple {76#false} __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret49#1 && __utac_acc__Specification4_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; {76#false} is VALID [2022-02-20 18:10:07,331 INFO L290 TraceCheckUtils]: 15: Hoare triple {76#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {76#false} is VALID [2022-02-20 18:10:07,331 INFO L290 TraceCheckUtils]: 16: Hoare triple {76#false} __utac_acc__Specification4_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret50#1 && __utac_acc__Specification4_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; {76#false} is VALID [2022-02-20 18:10:07,332 INFO L290 TraceCheckUtils]: 17: Hoare triple {76#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {76#false} is VALID [2022-02-20 18:10:07,332 INFO L290 TraceCheckUtils]: 18: Hoare triple {76#false} assume !false; {76#false} is VALID [2022-02-20 18:10:07,333 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 18:10:07,333 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:07,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830763220] [2022-02-20 18:10:07,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830763220] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:07,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:07,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:10:07,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701233952] [2022-02-20 18:10:07,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:07,341 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 18:10:07,342 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:07,345 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 18:10:07,371 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 18:10:07,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:10:07,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:07,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:10:07,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:10:07,391 INFO L87 Difference]: Start difference. First operand has 72 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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 18:10:07,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:07,478 INFO L93 Difference]: Finished difference Result 136 states and 183 transitions. [2022-02-20 18:10:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:10:07,478 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 18:10:07,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:07,479 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 18:10:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 183 transitions. [2022-02-20 18:10:07,486 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 18:10:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 183 transitions. [2022-02-20 18:10:07,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 183 transitions. [2022-02-20 18:10:07,636 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:07,645 INFO L225 Difference]: With dead ends: 136 [2022-02-20 18:10:07,645 INFO L226 Difference]: Without dead ends: 63 [2022-02-20 18:10:07,648 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 18:10:07,650 INFO L933 BasicCegarLoop]: 88 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, 88 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 18:10:07,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:07,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-02-20 18:10:07,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-02-20 18:10:07,674 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:07,674 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:10:07,675 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:10:07,676 INFO L87 Difference]: Start difference. First operand 63 states. Second operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:10:07,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:07,679 INFO L93 Difference]: Finished difference Result 63 states and 79 transitions. [2022-02-20 18:10:07,679 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-02-20 18:10:07,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:07,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:07,680 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand 63 states. [2022-02-20 18:10:07,681 INFO L87 Difference]: Start difference. First operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand 63 states. [2022-02-20 18:10:07,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:07,684 INFO L93 Difference]: Finished difference Result 63 states and 79 transitions. [2022-02-20 18:10:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-02-20 18:10:07,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:07,684 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:07,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:07,685 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:10:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-02-20 18:10:07,693 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 19 [2022-02-20 18:10:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:07,693 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-02-20 18:10:07,694 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 18:10:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-02-20 18:10:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 18:10:07,696 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:07,696 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 18:10:07,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:10:07,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:07,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:07,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1467291632, now seen corresponding path program 1 times [2022-02-20 18:10:07,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:07,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905028377] [2022-02-20 18:10:07,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:07,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:07,757 INFO L290 TraceCheckUtils]: 0: Hoare triple {496#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {496#true} is VALID [2022-02-20 18:10:07,757 INFO L290 TraceCheckUtils]: 1: Hoare triple {496#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; {496#true} is VALID [2022-02-20 18:10:07,758 INFO L290 TraceCheckUtils]: 2: Hoare triple {496#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {496#true} is VALID [2022-02-20 18:10:07,758 INFO L290 TraceCheckUtils]: 3: Hoare triple {496#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {496#true} is VALID [2022-02-20 18:10:07,758 INFO L290 TraceCheckUtils]: 4: Hoare triple {496#true} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {496#true} is VALID [2022-02-20 18:10:07,758 INFO L290 TraceCheckUtils]: 5: Hoare triple {496#true} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {496#true} is VALID [2022-02-20 18:10:07,759 INFO L290 TraceCheckUtils]: 6: Hoare triple {496#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {498#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:10:07,759 INFO L290 TraceCheckUtils]: 7: Hoare triple {498#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {498#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:10:07,759 INFO L290 TraceCheckUtils]: 8: Hoare triple {498#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {497#false} is VALID [2022-02-20 18:10:07,760 INFO L272 TraceCheckUtils]: 9: Hoare triple {497#false} call cleanup(); {497#false} is VALID [2022-02-20 18:10:07,760 INFO L290 TraceCheckUtils]: 10: Hoare triple {497#false} havoc ~i~0;havoc ~__cil_tmp2~0; {497#false} is VALID [2022-02-20 18:10:07,760 INFO L272 TraceCheckUtils]: 11: Hoare triple {497#false} call timeShift(); {497#false} is VALID [2022-02-20 18:10:07,760 INFO L290 TraceCheckUtils]: 12: Hoare triple {497#false} assume !(0 != ~pumpRunning~0); {497#false} is VALID [2022-02-20 18:10:07,760 INFO L290 TraceCheckUtils]: 13: Hoare triple {497#false} assume !(0 != ~systemActive~0); {497#false} is VALID [2022-02-20 18:10:07,761 INFO L290 TraceCheckUtils]: 14: Hoare triple {497#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; {497#false} is VALID [2022-02-20 18:10:07,761 INFO L290 TraceCheckUtils]: 15: Hoare triple {497#false} __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret49#1 && __utac_acc__Specification4_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; {497#false} is VALID [2022-02-20 18:10:07,761 INFO L290 TraceCheckUtils]: 16: Hoare triple {497#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {497#false} is VALID [2022-02-20 18:10:07,761 INFO L290 TraceCheckUtils]: 17: Hoare triple {497#false} __utac_acc__Specification4_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret50#1 && __utac_acc__Specification4_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; {497#false} is VALID [2022-02-20 18:10:07,761 INFO L290 TraceCheckUtils]: 18: Hoare triple {497#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {497#false} is VALID [2022-02-20 18:10:07,761 INFO L290 TraceCheckUtils]: 19: Hoare triple {497#false} assume !false; {497#false} is VALID [2022-02-20 18:10:07,762 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 18:10:07,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:07,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905028377] [2022-02-20 18:10:07,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905028377] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:07,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:07,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:10:07,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724771300] [2022-02-20 18:10:07,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:07,764 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 18:10:07,764 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:07,764 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 18:10:07,777 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 18:10:07,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:10:07,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:07,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:10:07,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:07,779 INFO L87 Difference]: Start difference. First operand 63 states and 79 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 18:10:07,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:07,853 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2022-02-20 18:10:07,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:10:07,853 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 18:10:07,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:07,853 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 18:10:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2022-02-20 18:10:07,856 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 18:10:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2022-02-20 18:10:07,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 113 transitions. [2022-02-20 18:10:07,949 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:07,950 INFO L225 Difference]: With dead ends: 91 [2022-02-20 18:10:07,950 INFO L226 Difference]: Without dead ends: 54 [2022-02-20 18:10:07,951 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 18:10:07,952 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 115 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 18:10:07,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:07,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-02-20 18:10:07,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-02-20 18:10:07,956 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:07,956 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:07,956 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:07,956 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:07,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:07,958 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-02-20 18:10:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:10:07,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:07,959 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:07,959 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:10:07,959 INFO L87 Difference]: Start difference. First operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:10:07,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:07,961 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-02-20 18:10:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:10:07,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:07,962 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:07,962 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:07,962 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-02-20 18:10:07,964 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 20 [2022-02-20 18:10:07,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:07,964 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-02-20 18:10:07,964 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 18:10:07,964 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:10:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:10:07,965 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:07,965 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 18:10:07,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:10:07,965 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:07,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash -522814899, now seen corresponding path program 1 times [2022-02-20 18:10:07,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:07,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419603427] [2022-02-20 18:10:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:07,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:08,016 INFO L290 TraceCheckUtils]: 0: Hoare triple {820#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {820#true} is VALID [2022-02-20 18:10:08,016 INFO L290 TraceCheckUtils]: 1: Hoare triple {820#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; {820#true} is VALID [2022-02-20 18:10:08,016 INFO L290 TraceCheckUtils]: 2: Hoare triple {820#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {820#true} is VALID [2022-02-20 18:10:08,016 INFO L290 TraceCheckUtils]: 3: Hoare triple {820#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {820#true} is VALID [2022-02-20 18:10:08,016 INFO L290 TraceCheckUtils]: 4: Hoare triple {820#true} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {820#true} is VALID [2022-02-20 18:10:08,016 INFO L290 TraceCheckUtils]: 5: Hoare triple {820#true} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 6: Hoare triple {820#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 7: Hoare triple {820#true} assume !false; {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 8: Hoare triple {820#true} assume test_~splverifierCounter~0#1 < 4; {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 9: Hoare triple {820#true} assume -2147483648 <= test_#t~nondet33#1 && test_#t~nondet33#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 10: Hoare triple {820#true} assume !(0 != test_~tmp~3#1); {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 11: Hoare triple {820#true} assume -2147483648 <= test_#t~nondet34#1 && test_#t~nondet34#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {820#true} assume !(0 != test_~tmp___0~0#1); {820#true} is VALID [2022-02-20 18:10:08,017 INFO L290 TraceCheckUtils]: 13: Hoare triple {820#true} assume -2147483648 <= test_#t~nondet35#1 && test_#t~nondet35#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; {820#true} is VALID [2022-02-20 18:10:08,018 INFO L290 TraceCheckUtils]: 14: Hoare triple {820#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {822#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:08,019 INFO L290 TraceCheckUtils]: 15: Hoare triple {822#(= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {822#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:08,019 INFO L272 TraceCheckUtils]: 16: Hoare triple {822#(= 1 ~systemActive~0)} call timeShift(); {822#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 17: Hoare triple {822#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {822#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 18: Hoare triple {822#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {821#false} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 19: Hoare triple {821#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; {821#false} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 20: Hoare triple {821#false} __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret49#1 && __utac_acc__Specification4_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; {821#false} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 21: Hoare triple {821#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {821#false} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 22: Hoare triple {821#false} __utac_acc__Specification4_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret50#1 && __utac_acc__Specification4_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; {821#false} is VALID [2022-02-20 18:10:08,020 INFO L290 TraceCheckUtils]: 23: Hoare triple {821#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {821#false} is VALID [2022-02-20 18:10:08,021 INFO L290 TraceCheckUtils]: 24: Hoare triple {821#false} assume !false; {821#false} is VALID [2022-02-20 18:10:08,021 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 18:10:08,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:08,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419603427] [2022-02-20 18:10:08,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419603427] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:08,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:08,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:10:08,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521612332] [2022-02-20 18:10:08,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:08,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,022 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:08,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,037 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 18:10:08,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:10:08,037 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:08,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:10:08,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:10:08,038 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,097 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2022-02-20 18:10:08,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:10:08,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2022-02-20 18:10:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2022-02-20 18:10:08,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 128 transitions. [2022-02-20 18:10:08,179 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 128 edges. 128 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:08,180 INFO L225 Difference]: With dead ends: 101 [2022-02-20 18:10:08,180 INFO L226 Difference]: Without dead ends: 54 [2022-02-20 18:10:08,181 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 18:10:08,182 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:08,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:08,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-02-20 18:10:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-02-20 18:10:08,186 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:08,186 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:08,186 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:08,187 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,188 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2022-02-20 18:10:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-02-20 18:10:08,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:08,189 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:10:08,189 INFO L87 Difference]: Start difference. First operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:10:08,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,191 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2022-02-20 18:10:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-02-20 18:10:08,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:08,192 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:08,192 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:10:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-02-20 18:10:08,193 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 25 [2022-02-20 18:10:08,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:08,194 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-02-20 18:10:08,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 18:10:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-02-20 18:10:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:10:08,195 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:08,195 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 18:10:08,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:10:08,197 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:08,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2111262197, now seen corresponding path program 1 times [2022-02-20 18:10:08,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:08,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589528003] [2022-02-20 18:10:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:08,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:10:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:08,291 INFO L290 TraceCheckUtils]: 0: Hoare triple {1156#true} assume true; {1156#true} is VALID [2022-02-20 18:10:08,292 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1156#true} {1158#(= ~waterLevel~0 1)} #195#return; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,292 INFO L290 TraceCheckUtils]: 0: Hoare triple {1156#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,293 INFO L290 TraceCheckUtils]: 1: Hoare triple {1158#(= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,293 INFO L290 TraceCheckUtils]: 2: Hoare triple {1158#(= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,294 INFO L290 TraceCheckUtils]: 3: Hoare triple {1158#(= ~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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,294 INFO L290 TraceCheckUtils]: 4: Hoare triple {1158#(= ~waterLevel~0 1)} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,294 INFO L290 TraceCheckUtils]: 5: Hoare triple {1158#(= ~waterLevel~0 1)} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,295 INFO L290 TraceCheckUtils]: 6: Hoare triple {1158#(= ~waterLevel~0 1)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,295 INFO L290 TraceCheckUtils]: 7: Hoare triple {1158#(= ~waterLevel~0 1)} assume !false; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,295 INFO L290 TraceCheckUtils]: 8: Hoare triple {1158#(= ~waterLevel~0 1)} assume test_~splverifierCounter~0#1 < 4; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,296 INFO L290 TraceCheckUtils]: 9: Hoare triple {1158#(= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet33#1 && test_#t~nondet33#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,296 INFO L290 TraceCheckUtils]: 10: Hoare triple {1158#(= ~waterLevel~0 1)} assume !(0 != test_~tmp~3#1); {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,296 INFO L290 TraceCheckUtils]: 11: Hoare triple {1158#(= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet34#1 && test_#t~nondet34#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,297 INFO L290 TraceCheckUtils]: 12: Hoare triple {1158#(= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~0#1); {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,297 INFO L290 TraceCheckUtils]: 13: Hoare triple {1158#(= ~waterLevel~0 1)} assume -2147483648 <= test_#t~nondet35#1 && test_#t~nondet35#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,297 INFO L290 TraceCheckUtils]: 14: Hoare triple {1158#(= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,298 INFO L290 TraceCheckUtils]: 15: Hoare triple {1158#(= ~waterLevel~0 1)} assume { :end_inline_startSystem } true; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,298 INFO L272 TraceCheckUtils]: 16: Hoare triple {1158#(= ~waterLevel~0 1)} call timeShift(); {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,298 INFO L290 TraceCheckUtils]: 17: Hoare triple {1158#(= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,299 INFO L290 TraceCheckUtils]: 18: Hoare triple {1158#(= ~waterLevel~0 1)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,299 INFO L290 TraceCheckUtils]: 19: Hoare triple {1158#(= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,299 INFO L272 TraceCheckUtils]: 20: Hoare triple {1158#(= ~waterLevel~0 1)} call processEnvironment__wrappee__methaneQuery(); {1156#true} is VALID [2022-02-20 18:10:08,299 INFO L290 TraceCheckUtils]: 21: Hoare triple {1156#true} assume true; {1156#true} is VALID [2022-02-20 18:10:08,300 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1156#true} {1158#(= ~waterLevel~0 1)} #195#return; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,300 INFO L290 TraceCheckUtils]: 23: Hoare triple {1158#(= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {1158#(= ~waterLevel~0 1)} is VALID [2022-02-20 18:10:08,300 INFO L290 TraceCheckUtils]: 24: Hoare triple {1158#(= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; {1161#(= |timeShift_getWaterLevel_#res#1| 1)} is VALID [2022-02-20 18:10:08,301 INFO L290 TraceCheckUtils]: 25: Hoare triple {1161#(= |timeShift_getWaterLevel_#res#1| 1)} __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret49#1 && __utac_acc__Specification4_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; {1162#(= (+ (- 1) |timeShift___utac_acc__Specification4_spec__1_~tmp~7#1|) 0)} is VALID [2022-02-20 18:10:08,301 INFO L290 TraceCheckUtils]: 26: Hoare triple {1162#(= (+ (- 1) |timeShift___utac_acc__Specification4_spec__1_~tmp~7#1|) 0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {1157#false} is VALID [2022-02-20 18:10:08,302 INFO L290 TraceCheckUtils]: 27: Hoare triple {1157#false} __utac_acc__Specification4_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret50#1 && __utac_acc__Specification4_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; {1157#false} is VALID [2022-02-20 18:10:08,302 INFO L290 TraceCheckUtils]: 28: Hoare triple {1157#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {1157#false} is VALID [2022-02-20 18:10:08,302 INFO L290 TraceCheckUtils]: 29: Hoare triple {1157#false} assume !false; {1157#false} is VALID [2022-02-20 18:10:08,302 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 18:10:08,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:08,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589528003] [2022-02-20 18:10:08,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589528003] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:08,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:08,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:10:08,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377662497] [2022-02-20 18:10:08,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:08,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,304 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:08,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,322 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 18:10:08,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:10:08,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:08,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:10:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:10:08,324 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,480 INFO L93 Difference]: Finished difference Result 141 states and 181 transitions. [2022-02-20 18:10:08,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:10:08,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2022-02-20 18:10:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2022-02-20 18:10:08,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 181 transitions. [2022-02-20 18:10:08,589 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:08,591 INFO L225 Difference]: With dead ends: 141 [2022-02-20 18:10:08,595 INFO L226 Difference]: Without dead ends: 94 [2022-02-20 18:10:08,596 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 18:10:08,604 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 38 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:08,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 257 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:08,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-02-20 18:10:08,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-02-20 18:10:08,611 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:08,612 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2022-02-20 18:10:08,612 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2022-02-20 18:10:08,613 INFO L87 Difference]: Start difference. First operand 94 states. Second operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2022-02-20 18:10:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,615 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2022-02-20 18:10:08,615 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2022-02-20 18:10:08,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:08,616 INFO L74 IsIncluded]: Start isIncluded. First operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) Second operand 94 states. [2022-02-20 18:10:08,616 INFO L87 Difference]: Start difference. First operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) Second operand 94 states. [2022-02-20 18:10:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,618 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2022-02-20 18:10:08,618 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2022-02-20 18:10:08,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,619 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:08,619 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:08,619 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13) [2022-02-20 18:10:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 117 transitions. [2022-02-20 18:10:08,622 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 117 transitions. Word has length 30 [2022-02-20 18:10:08,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:08,622 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 117 transitions. [2022-02-20 18:10:08,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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 18:10:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2022-02-20 18:10:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 18:10:08,622 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:10:08,623 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, 1, 1] [2022-02-20 18:10:08,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:10:08,623 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:10:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:10:08,623 INFO L85 PathProgramCache]: Analyzing trace with hash 884371153, now seen corresponding path program 1 times [2022-02-20 18:10:08,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:10:08,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105997968] [2022-02-20 18:10:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:10:08,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:10:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-20 18:10:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:08,712 INFO L290 TraceCheckUtils]: 0: Hoare triple {1706#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1696#true} is VALID [2022-02-20 18:10:08,712 INFO L290 TraceCheckUtils]: 1: Hoare triple {1696#true} assume true; {1696#true} is VALID [2022-02-20 18:10:08,712 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1696#true} {1698#(= ~pumpRunning~0 0)} #197#return; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 18:10:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:10:08,715 INFO L290 TraceCheckUtils]: 0: Hoare triple {1696#true} assume true; {1696#true} is VALID [2022-02-20 18:10:08,716 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1696#true} {1698#(= ~pumpRunning~0 0)} #195#return; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,716 INFO L290 TraceCheckUtils]: 0: Hoare triple {1696#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,717 INFO L290 TraceCheckUtils]: 1: Hoare triple {1698#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,717 INFO L290 TraceCheckUtils]: 2: Hoare triple {1698#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,717 INFO L290 TraceCheckUtils]: 3: Hoare triple {1698#(= ~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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,718 INFO L290 TraceCheckUtils]: 4: Hoare triple {1698#(= ~pumpRunning~0 0)} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,718 INFO L290 TraceCheckUtils]: 5: Hoare triple {1698#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,718 INFO L290 TraceCheckUtils]: 6: Hoare triple {1698#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,718 INFO L290 TraceCheckUtils]: 7: Hoare triple {1698#(= ~pumpRunning~0 0)} assume !false; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,719 INFO L290 TraceCheckUtils]: 8: Hoare triple {1698#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,720 INFO L290 TraceCheckUtils]: 9: Hoare triple {1698#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet33#1 && test_#t~nondet33#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,720 INFO L290 TraceCheckUtils]: 10: Hoare triple {1698#(= ~pumpRunning~0 0)} assume 0 != test_~tmp~3#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,721 INFO L272 TraceCheckUtils]: 11: Hoare triple {1698#(= ~pumpRunning~0 0)} call waterRise(); {1706#(= |old(~waterLevel~0)| ~waterLevel~0)} is VALID [2022-02-20 18:10:08,721 INFO L290 TraceCheckUtils]: 12: Hoare triple {1706#(= |old(~waterLevel~0)| ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1696#true} is VALID [2022-02-20 18:10:08,721 INFO L290 TraceCheckUtils]: 13: Hoare triple {1696#true} assume true; {1696#true} is VALID [2022-02-20 18:10:08,721 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1696#true} {1698#(= ~pumpRunning~0 0)} #197#return; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,722 INFO L290 TraceCheckUtils]: 15: Hoare triple {1698#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet34#1 && test_#t~nondet34#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,722 INFO L290 TraceCheckUtils]: 16: Hoare triple {1698#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,722 INFO L290 TraceCheckUtils]: 17: Hoare triple {1698#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet35#1 && test_#t~nondet35#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,722 INFO L290 TraceCheckUtils]: 18: Hoare triple {1698#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,723 INFO L290 TraceCheckUtils]: 19: Hoare triple {1698#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,723 INFO L272 TraceCheckUtils]: 20: Hoare triple {1698#(= ~pumpRunning~0 0)} call timeShift(); {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,723 INFO L290 TraceCheckUtils]: 21: Hoare triple {1698#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,724 INFO L290 TraceCheckUtils]: 22: Hoare triple {1698#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,724 INFO L290 TraceCheckUtils]: 23: Hoare triple {1698#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,724 INFO L272 TraceCheckUtils]: 24: Hoare triple {1698#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__methaneQuery(); {1696#true} is VALID [2022-02-20 18:10:08,724 INFO L290 TraceCheckUtils]: 25: Hoare triple {1696#true} assume true; {1696#true} is VALID [2022-02-20 18:10:08,725 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1696#true} {1698#(= ~pumpRunning~0 0)} #195#return; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,725 INFO L290 TraceCheckUtils]: 27: Hoare triple {1698#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,725 INFO L290 TraceCheckUtils]: 28: Hoare triple {1698#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,725 INFO L290 TraceCheckUtils]: 29: Hoare triple {1698#(= ~pumpRunning~0 0)} __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret49#1 && __utac_acc__Specification4_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; {1698#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:10:08,726 INFO L290 TraceCheckUtils]: 30: Hoare triple {1698#(= ~pumpRunning~0 0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; {1704#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:10:08,726 INFO L290 TraceCheckUtils]: 31: Hoare triple {1704#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification4_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret50#1 && __utac_acc__Specification4_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1#1 := __utac_acc__Specification4_spec__1_#t~ret50#1;havoc __utac_acc__Specification4_spec__1_#t~ret50#1; {1705#(= |timeShift___utac_acc__Specification4_spec__1_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:10:08,727 INFO L290 TraceCheckUtils]: 32: Hoare triple {1705#(= |timeShift___utac_acc__Specification4_spec__1_~tmp___0~1#1| 0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {1697#false} is VALID [2022-02-20 18:10:08,727 INFO L290 TraceCheckUtils]: 33: Hoare triple {1697#false} assume !false; {1697#false} is VALID [2022-02-20 18:10:08,727 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 18:10:08,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:10:08,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105997968] [2022-02-20 18:10:08,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105997968] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:10:08,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:10:08,728 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:10:08,728 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697930694] [2022-02-20 18:10:08,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:10:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-02-20 18:10:08,728 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:10:08,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:10:08,749 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:08,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:10:08,749 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:10:08,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:10:08,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:10:08,750 INFO L87 Difference]: Start difference. First operand 94 states and 117 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:10:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,910 INFO L93 Difference]: Finished difference Result 163 states and 207 transitions. [2022-02-20 18:10:08,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 18:10:08,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-02-20 18:10:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:10:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:10:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions. [2022-02-20 18:10:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:10:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 116 transitions. [2022-02-20 18:10:08,915 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 116 transitions. [2022-02-20 18:10:08,980 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:10:08,980 INFO L225 Difference]: With dead ends: 163 [2022-02-20 18:10:08,980 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:10:08,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:10:08,988 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 44 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:10:08,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 140 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:10:08,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:10:08,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:10:08,989 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:10:08,989 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 18:10:08,989 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 18:10:08,989 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 18:10:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,989 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:10:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:08,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:08,989 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 18:10:08,989 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 18:10:08,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:10:08,989 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:10:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:08,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:10:08,990 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:10:08,990 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:10:08,990 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 18:10:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:10:08,990 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-02-20 18:10:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:10:08,990 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:10:08,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:10:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:10:08,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:10:08,992 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:10:08,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 18:10:08,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:10:09,340 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2022-02-20 18:10:09,341 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2022-02-20 18:10:09,341 INFO L861 garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2022-02-20 18:10:09,341 INFO L861 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2022-02-20 18:10:09,341 INFO L861 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed. [2022-02-20 18:10:09,341 INFO L861 garLoopResultBuilder]: At program point L808(lines 783 812) the Hoare annotation is: true [2022-02-20 18:10:09,341 INFO L858 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-02-20 18:10:09,343 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2022-02-20 18:10:09,343 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2022-02-20 18:10:09,344 INFO L854 garLoopResultBuilder]: At program point L886-1(lines 878 902) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~7#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-02-20 18:10:09,345 INFO L858 garLoopResultBuilder]: For program point L622-1(lines 621 640) no Hoare annotation was computed. [2022-02-20 18:10:09,345 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 618 641) no Hoare annotation was computed. [2022-02-20 18:10:09,345 INFO L854 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,345 INFO L854 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,345 INFO L854 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,345 INFO L858 garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed. [2022-02-20 18:10:09,345 INFO L854 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-02-20 18:10:09,346 INFO L854 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,346 INFO L854 garLoopResultBuilder]: At program point L669-1(lines 650 674) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,346 INFO L858 garLoopResultBuilder]: For program point L777(line 777) no Hoare annotation was computed. [2022-02-20 18:10:09,346 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-02-20 18:10:09,346 INFO L854 garLoopResultBuilder]: At program point L100-2(lines 96 107) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,346 INFO L858 garLoopResultBuilder]: For program point L629-1(lines 629 635) no Hoare annotation was computed. [2022-02-20 18:10:09,347 INFO L854 garLoopResultBuilder]: At program point L724(lines 719 727) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2022-02-20 18:10:09,347 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2022-02-20 18:10:09,347 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 618 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,347 INFO L858 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2022-02-20 18:10:09,347 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed. [2022-02-20 18:10:09,347 INFO L854 garLoopResultBuilder]: At program point L778(lines 773 780) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:10:09,348 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2022-02-20 18:10:09,348 INFO L854 garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: false [2022-02-20 18:10:09,348 INFO L854 garLoopResultBuilder]: At program point L841(lines 837 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:09,348 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:10:09,348 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:10:09,348 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2022-02-20 18:10:09,348 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:10:09,349 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2022-02-20 18:10:09,349 INFO L854 garLoopResultBuilder]: At program point L598(lines 553 600) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:10:09,349 INFO L854 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:10:09,349 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:10:09,349 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:09,349 INFO L861 garLoopResultBuilder]: At program point L851(lines 844 853) the Hoare annotation is: true [2022-02-20 18:10:09,349 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 595) no Hoare annotation was computed. [2022-02-20 18:10:09,350 INFO L854 garLoopResultBuilder]: At program point L591-2(lines 583 596) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:10:09,350 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:09,350 INFO L858 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2022-02-20 18:10:09,350 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2022-02-20 18:10:09,350 INFO L854 garLoopResultBuilder]: At program point L769(lines 764 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:10:09,351 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2022-02-20 18:10:09,351 INFO L854 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:10:09,351 INFO L858 garLoopResultBuilder]: For program point L864-2(lines 864 871) no Hoare annotation was computed. [2022-02-20 18:10:09,351 INFO L861 garLoopResultBuilder]: At program point L604(lines 543 608) the Hoare annotation is: true [2022-02-20 18:10:09,351 INFO L858 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2022-02-20 18:10:09,351 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2022-02-20 18:10:09,351 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 559) no Hoare annotation was computed. [2022-02-20 18:10:09,351 INFO L861 garLoopResultBuilder]: At program point L873(lines 854 876) the Hoare annotation is: true [2022-02-20 18:10:09,352 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-02-20 18:10:09,352 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2022-02-20 18:10:09,352 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-02-20 18:10:09,352 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-02-20 18:10:09,352 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed. [2022-02-20 18:10:09,352 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true [2022-02-20 18:10:09,352 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 708 718) the Hoare annotation is: true [2022-02-20 18:10:09,352 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed. [2022-02-20 18:10:09,352 INFO L861 garLoopResultBuilder]: At program point L137(lines 132 140) the Hoare annotation is: true [2022-02-20 18:10:09,353 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 708 718) no Hoare annotation was computed. [2022-02-20 18:10:09,355 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-20 18:10:09,356 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: L622-1 has no Hoare annotation [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-02-20 18:10:09,359 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-02-20 18:10:09,360 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2022-02-20 18:10:09,360 WARN L170 areAnnotationChecker]: L124-1 has no Hoare annotation [2022-02-20 18:10:09,360 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2022-02-20 18:10:09,360 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:10:09,360 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L622-1 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L622-1 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L112-1 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L622-1 has no Hoare annotation [2022-02-20 18:10:09,361 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2022-02-20 18:10:09,362 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2022-02-20 18:10:09,362 WARN L170 areAnnotationChecker]: L629-1 has no Hoare annotation [2022-02-20 18:10:09,375 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:10:09,375 WARN L170 areAnnotationChecker]: L629-1 has no Hoare annotation [2022-02-20 18:10:09,375 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2022-02-20 18:10:09,375 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L656-1 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L563-1 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2022-02-20 18:10:09,376 WARN L170 areAnnotationChecker]: L656-1 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2022-02-20 18:10:09,377 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2022-02-20 18:10:09,378 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2022-02-20 18:10:09,379 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2022-02-20 18:10:09,379 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2022-02-20 18:10:09,379 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L864-2 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L864-2 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2022-02-20 18:10:09,380 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2022-02-20 18:10:09,382 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:10:09,382 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2022-02-20 18:10:09,382 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2022-02-20 18:10:09,382 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2022-02-20 18:10:09,382 WARN L170 areAnnotationChecker]: L563-1 has no Hoare annotation [2022-02-20 18:10:09,383 INFO L163 areAnnotationChecker]: CFG has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:10:09,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:10:09 BoogieIcfgContainer [2022-02-20 18:10:09,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:10:09,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:10:09,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:10:09,401 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:10:09,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:10:07" (3/4) ... [2022-02-20 18:10:09,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:10:09,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:10:09,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:10:09,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:10:09,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:10:09,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-02-20 18:10:09,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-02-20 18:10:09,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-02-20 18:10:09,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:10:09,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:10:09,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:10:09,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:10:09,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:10:09,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:10:09,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:10:09,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) [2022-02-20 18:10:09,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-02-20 18:10:09,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:10:09,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-02-20 18:10:09,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2022-02-20 18:10:09,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-02-20 18:10:09,461 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:10:09,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:10:09,462 INFO L158 Benchmark]: Toolchain (without parser) took 3343.64ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 62.9MB in the beginning and 130.4MB in the end (delta: -67.5MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,462 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:10:09,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.37ms. Allocated memory is still 94.4MB. Free memory was 62.7MB in the beginning and 59.0MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.00ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,463 INFO L158 Benchmark]: Boogie Preprocessor took 36.07ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,463 INFO L158 Benchmark]: RCFGBuilder took 489.56ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 54.8MB in the beginning and 92.7MB in the end (delta: -37.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,464 INFO L158 Benchmark]: TraceAbstraction took 2363.07ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 92.4MB in the beginning and 62.1MB in the end (delta: 30.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,464 INFO L158 Benchmark]: Witness Printer took 61.08ms. Allocated memory is still 159.4MB. Free memory was 62.1MB in the beginning and 130.4MB in the end (delta: -68.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:10:09,465 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 0.16ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.37ms. Allocated memory is still 94.4MB. Free memory was 62.7MB in the beginning and 59.0MB in the end (delta: 3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.00ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.07ms. Allocated memory is still 94.4MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.56ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 54.8MB in the beginning and 92.7MB in the end (delta: -37.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2363.07ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 92.4MB in the beginning and 62.1MB in the end (delta: 30.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Witness Printer took 61.08ms. Allocated memory is still 159.4MB. Free memory was 62.1MB in the beginning and 130.4MB in the end (delta: -68.3MB). Peak memory consumption was 2.1MB. 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: 777]: 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 7 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 665 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 330 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 184 PreInvPairs, 208 NumberOfFragments, 311 HoareAnnotationTreeSize, 184 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 394 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-02-20 18:10:09,495 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