./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product18.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_spec2_product18.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:07:21,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:07:21,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:07:21,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:07:21,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:07:21,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:07:21,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:07:21,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:07:21,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:07:21,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:07:21,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:07:21,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:07:21,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:07:21,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:07:21,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:07:21,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:07:21,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:07:21,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:07:21,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:07:21,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:07:21,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:07:21,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:07:21,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:07:21,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:07:21,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:07:21,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:07:21,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:07:21,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:07:21,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:07:21,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:07:21,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:07:21,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:07:21,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:07:21,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:07:21,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:07:21,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:07:21,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:07:21,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:07:21,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:07:21,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:07:21,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:07:21,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:07:21,576 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:07:21,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:07:21,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:07:21,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:07:21,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:07:21,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:07:21,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:07:21,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:07:21,579 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:07:21,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:07:21,579 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:07:21,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:07:21,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:07:21,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:07:21,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:07:21,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:07:21,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:07:21,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:07:21,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:21,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:07:21,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:07:21,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:07:21,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:07:21,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:07:21,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:07:21,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:07:21,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:07:21,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2022-02-20 18:07:21,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:07:21,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:07:21,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:07:21,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:07:21,819 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:07:21,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2022-02-20 18:07:21,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76b41b375/1341e95b2dc74f8b97c5b4abc18d73d8/FLAG15da1f3f6 [2022-02-20 18:07:22,336 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:07:22,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2022-02-20 18:07:22,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76b41b375/1341e95b2dc74f8b97c5b4abc18d73d8/FLAG15da1f3f6 [2022-02-20 18:07:22,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76b41b375/1341e95b2dc74f8b97c5b4abc18d73d8 [2022-02-20 18:07:22,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:07:22,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:07:22,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:22,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:07:22,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:07:22,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:22" (1/1) ... [2022-02-20 18:07:22,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236891bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:22, skipping insertion in model container [2022-02-20 18:07:22,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:07:22" (1/1) ... [2022-02-20 18:07:22,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:07:22,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:07:23,015 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_spec2_product18.cil.c[18052,18065] [2022-02-20 18:07:23,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:23,023 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:07:23,068 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_spec2_product18.cil.c[18052,18065] [2022-02-20 18:07:23,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:07:23,079 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:07:23,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23 WrapperNode [2022-02-20 18:07:23,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:07:23,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:23,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:07:23,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:07:23,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,122 INFO L137 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 224 [2022-02-20 18:07:23,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:07:23,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:07:23,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:07:23,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:07:23,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:07:23,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:07:23,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:07:23,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:07:23,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (1/1) ... [2022-02-20 18:07:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:07:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:07:23,181 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 18:07:23,185 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 18:07:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:07:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-02-20 18:07:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-02-20 18:07:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:07:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:07:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:07:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:07:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:07:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:07:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:07:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:07:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:07:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:07:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:07:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:07:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:07:23,247 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:07:23,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:07:23,449 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:07:23,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:07:23,454 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:07:23,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:23 BoogieIcfgContainer [2022-02-20 18:07:23,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:07:23,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:07:23,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:07:23,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:07:23,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:07:22" (1/3) ... [2022-02-20 18:07:23,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550b6baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:23, skipping insertion in model container [2022-02-20 18:07:23,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:07:23" (2/3) ... [2022-02-20 18:07:23,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550b6baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:07:23, skipping insertion in model container [2022-02-20 18:07:23,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:23" (3/3) ... [2022-02-20 18:07:23,463 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2022-02-20 18:07:23,466 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:07:23,467 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:07:23,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:07:23,512 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 18:07:23,512 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:07:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 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 18:07:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 18:07:23,540 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:23,541 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 18:07:23,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:23,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:23,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1019546026, now seen corresponding path program 1 times [2022-02-20 18:07:23,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:23,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646055906] [2022-02-20 18:07:23,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:23,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:07:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:23,756 INFO L290 TraceCheckUtils]: 0: Hoare triple {79#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {79#true} is VALID [2022-02-20 18:07:23,756 INFO L290 TraceCheckUtils]: 1: Hoare triple {79#true} assume true; {79#true} is VALID [2022-02-20 18:07:23,756 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {79#true} {80#false} #210#return; {80#false} is VALID [2022-02-20 18:07:23,757 INFO L290 TraceCheckUtils]: 0: Hoare triple {79#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; {79#true} is VALID [2022-02-20 18:07:23,759 INFO L290 TraceCheckUtils]: 1: Hoare triple {79#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {79#true} is VALID [2022-02-20 18:07:23,762 INFO L290 TraceCheckUtils]: 2: Hoare triple {79#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {79#true} is VALID [2022-02-20 18:07:23,763 INFO L290 TraceCheckUtils]: 3: Hoare triple {79#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {79#true} is VALID [2022-02-20 18:07:23,763 INFO L290 TraceCheckUtils]: 4: Hoare triple {79#true} main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; {79#true} is VALID [2022-02-20 18:07:23,763 INFO L290 TraceCheckUtils]: 5: Hoare triple {79#true} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {79#true} is VALID [2022-02-20 18:07:23,763 INFO L290 TraceCheckUtils]: 6: Hoare triple {79#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {79#true} is VALID [2022-02-20 18:07:23,763 INFO L290 TraceCheckUtils]: 7: Hoare triple {79#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {79#true} is VALID [2022-02-20 18:07:23,765 INFO L290 TraceCheckUtils]: 8: Hoare triple {79#true} assume !true; {80#false} is VALID [2022-02-20 18:07:23,765 INFO L272 TraceCheckUtils]: 9: Hoare triple {80#false} call cleanup(); {80#false} is VALID [2022-02-20 18:07:23,766 INFO L290 TraceCheckUtils]: 10: Hoare triple {80#false} havoc ~i~0;havoc ~__cil_tmp2~0; {80#false} is VALID [2022-02-20 18:07:23,766 INFO L272 TraceCheckUtils]: 11: Hoare triple {80#false} call timeShift(); {80#false} is VALID [2022-02-20 18:07:23,766 INFO L290 TraceCheckUtils]: 12: Hoare triple {80#false} assume !(0 != ~pumpRunning~0); {80#false} is VALID [2022-02-20 18:07:23,767 INFO L290 TraceCheckUtils]: 13: Hoare triple {80#false} assume !(0 != ~systemActive~0); {80#false} is VALID [2022-02-20 18:07:23,767 INFO L290 TraceCheckUtils]: 14: Hoare triple {80#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {80#false} is VALID [2022-02-20 18:07:23,767 INFO L272 TraceCheckUtils]: 15: Hoare triple {80#false} call __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical(); {79#true} is VALID [2022-02-20 18:07:23,768 INFO L290 TraceCheckUtils]: 16: Hoare triple {79#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {79#true} is VALID [2022-02-20 18:07:23,768 INFO L290 TraceCheckUtils]: 17: Hoare triple {79#true} assume true; {79#true} is VALID [2022-02-20 18:07:23,771 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {79#true} {80#false} #210#return; {80#false} is VALID [2022-02-20 18:07:23,771 INFO L290 TraceCheckUtils]: 19: Hoare triple {80#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {80#false} is VALID [2022-02-20 18:07:23,771 INFO L290 TraceCheckUtils]: 20: Hoare triple {80#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {80#false} is VALID [2022-02-20 18:07:23,771 INFO L290 TraceCheckUtils]: 21: Hoare triple {80#false} __utac_acc__Specification2_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret50#1 && __utac_acc__Specification2_spec__2_#t~ret50#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; {80#false} is VALID [2022-02-20 18:07:23,772 INFO L290 TraceCheckUtils]: 22: Hoare triple {80#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {80#false} is VALID [2022-02-20 18:07:23,772 INFO L290 TraceCheckUtils]: 23: Hoare triple {80#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {80#false} is VALID [2022-02-20 18:07:23,772 INFO L290 TraceCheckUtils]: 24: Hoare triple {80#false} assume !false; {80#false} is VALID [2022-02-20 18:07:23,772 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 18:07:23,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:23,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646055906] [2022-02-20 18:07:23,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646055906] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:23,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:23,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:07:23,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938978850] [2022-02-20 18:07:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:23,797 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-20 18:07:23,799 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:23,802 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:23,841 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 18:07:23,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:07:23,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:23,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:07:23,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:07:23,864 INFO L87 Difference]: Start difference. First operand has 76 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 65 states have internal predecessors, (82), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:23,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:23,956 INFO L93 Difference]: Finished difference Result 143 states and 194 transitions. [2022-02-20 18:07:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:07:23,956 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-02-20 18:07:23,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 194 transitions. [2022-02-20 18:07:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 194 transitions. [2022-02-20 18:07:23,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 194 transitions. [2022-02-20 18:07:24,112 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:24,122 INFO L225 Difference]: With dead ends: 143 [2022-02-20 18:07:24,123 INFO L226 Difference]: Without dead ends: 67 [2022-02-20 18:07:24,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 18:07:24,129 INFO L933 BasicCegarLoop]: 94 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, 94 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 18:07:24,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:24,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-02-20 18:07:24,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-02-20 18:07:24,161 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:24,162 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 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 18:07:24,166 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 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 18:07:24,169 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 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 18:07:24,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,179 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-02-20 18:07:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-02-20 18:07:24,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:24,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:24,182 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 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 67 states. [2022-02-20 18:07:24,182 INFO L87 Difference]: Start difference. First operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 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 67 states. [2022-02-20 18:07:24,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,195 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-02-20 18:07:24,199 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-02-20 18:07:24,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:24,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:24,201 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:24,201 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 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 18:07:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-02-20 18:07:24,209 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 25 [2022-02-20 18:07:24,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:24,209 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-02-20 18:07:24,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-02-20 18:07:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 18:07:24,218 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:24,218 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] [2022-02-20 18:07:24,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:07:24,219 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:24,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1350723440, now seen corresponding path program 1 times [2022-02-20 18:07:24,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:24,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94295620] [2022-02-20 18:07:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 18:07:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:24,316 INFO L290 TraceCheckUtils]: 0: Hoare triple {524#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {524#true} is VALID [2022-02-20 18:07:24,317 INFO L290 TraceCheckUtils]: 1: Hoare triple {524#true} assume true; {524#true} is VALID [2022-02-20 18:07:24,317 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {524#true} {525#false} #210#return; {525#false} is VALID [2022-02-20 18:07:24,317 INFO L290 TraceCheckUtils]: 0: Hoare triple {524#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; {524#true} is VALID [2022-02-20 18:07:24,317 INFO L290 TraceCheckUtils]: 1: Hoare triple {524#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {524#true} is VALID [2022-02-20 18:07:24,317 INFO L290 TraceCheckUtils]: 2: Hoare triple {524#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {524#true} is VALID [2022-02-20 18:07:24,318 INFO L290 TraceCheckUtils]: 3: Hoare triple {524#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {524#true} is VALID [2022-02-20 18:07:24,318 INFO L290 TraceCheckUtils]: 4: Hoare triple {524#true} main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; {524#true} is VALID [2022-02-20 18:07:24,318 INFO L290 TraceCheckUtils]: 5: Hoare triple {524#true} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {524#true} is VALID [2022-02-20 18:07:24,318 INFO L290 TraceCheckUtils]: 6: Hoare triple {524#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {524#true} is VALID [2022-02-20 18:07:24,319 INFO L290 TraceCheckUtils]: 7: Hoare triple {524#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {526#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:24,319 INFO L290 TraceCheckUtils]: 8: Hoare triple {526#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {526#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:07:24,320 INFO L290 TraceCheckUtils]: 9: Hoare triple {526#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {525#false} is VALID [2022-02-20 18:07:24,320 INFO L272 TraceCheckUtils]: 10: Hoare triple {525#false} call cleanup(); {525#false} is VALID [2022-02-20 18:07:24,320 INFO L290 TraceCheckUtils]: 11: Hoare triple {525#false} havoc ~i~0;havoc ~__cil_tmp2~0; {525#false} is VALID [2022-02-20 18:07:24,320 INFO L272 TraceCheckUtils]: 12: Hoare triple {525#false} call timeShift(); {525#false} is VALID [2022-02-20 18:07:24,320 INFO L290 TraceCheckUtils]: 13: Hoare triple {525#false} assume !(0 != ~pumpRunning~0); {525#false} is VALID [2022-02-20 18:07:24,321 INFO L290 TraceCheckUtils]: 14: Hoare triple {525#false} assume !(0 != ~systemActive~0); {525#false} is VALID [2022-02-20 18:07:24,321 INFO L290 TraceCheckUtils]: 15: Hoare triple {525#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {525#false} is VALID [2022-02-20 18:07:24,321 INFO L272 TraceCheckUtils]: 16: Hoare triple {525#false} call __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical(); {524#true} is VALID [2022-02-20 18:07:24,322 INFO L290 TraceCheckUtils]: 17: Hoare triple {524#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {524#true} is VALID [2022-02-20 18:07:24,322 INFO L290 TraceCheckUtils]: 18: Hoare triple {524#true} assume true; {524#true} is VALID [2022-02-20 18:07:24,322 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {524#true} {525#false} #210#return; {525#false} is VALID [2022-02-20 18:07:24,322 INFO L290 TraceCheckUtils]: 20: Hoare triple {525#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {525#false} is VALID [2022-02-20 18:07:24,322 INFO L290 TraceCheckUtils]: 21: Hoare triple {525#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {525#false} is VALID [2022-02-20 18:07:24,323 INFO L290 TraceCheckUtils]: 22: Hoare triple {525#false} __utac_acc__Specification2_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret50#1 && __utac_acc__Specification2_spec__2_#t~ret50#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; {525#false} is VALID [2022-02-20 18:07:24,323 INFO L290 TraceCheckUtils]: 23: Hoare triple {525#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {525#false} is VALID [2022-02-20 18:07:24,323 INFO L290 TraceCheckUtils]: 24: Hoare triple {525#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {525#false} is VALID [2022-02-20 18:07:24,323 INFO L290 TraceCheckUtils]: 25: Hoare triple {525#false} assume !false; {525#false} is VALID [2022-02-20 18:07:24,323 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 18:07:24,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:24,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94295620] [2022-02-20 18:07:24,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94295620] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:24,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:24,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:07:24,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653549372] [2022-02-20 18:07:24,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:24,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-20 18:07:24,326 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:24,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,345 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:24,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:07:24,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:24,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:07:24,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:24,347 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,419 INFO L93 Difference]: Finished difference Result 98 states and 124 transitions. [2022-02-20 18:07:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:07:24,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-02-20 18:07:24,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:24,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2022-02-20 18:07:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 124 transitions. [2022-02-20 18:07:24,425 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 124 transitions. [2022-02-20 18:07:24,508 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:24,511 INFO L225 Difference]: With dead ends: 98 [2022-02-20 18:07:24,511 INFO L226 Difference]: Without dead ends: 58 [2022-02-20 18:07:24,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:07:24,517 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 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 18:07:24,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:24,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-20 18:07:24,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-02-20 18:07:24,531 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:24,531 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 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 18:07:24,532 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 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 18:07:24,532 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 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 18:07:24,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,538 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2022-02-20 18:07:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-02-20 18:07:24,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:24,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:24,540 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 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 58 states. [2022-02-20 18:07:24,540 INFO L87 Difference]: Start difference. First operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 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 58 states. [2022-02-20 18:07:24,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,544 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2022-02-20 18:07:24,544 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-02-20 18:07:24,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:24,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:24,547 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:24,548 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.326086956521739) internal successors, (61), 51 states have internal predecessors, (61), 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 18:07:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-02-20 18:07:24,551 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 26 [2022-02-20 18:07:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:24,552 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-02-20 18:07:24,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-02-20 18:07:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 18:07:24,554 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:24,557 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] [2022-02-20 18:07:24,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:07:24,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:24,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash 407366415, now seen corresponding path program 1 times [2022-02-20 18:07:24,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:24,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950821594] [2022-02-20 18:07:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 18:07:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:24,660 INFO L290 TraceCheckUtils]: 0: Hoare triple {872#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {872#true} is VALID [2022-02-20 18:07:24,660 INFO L290 TraceCheckUtils]: 1: Hoare triple {872#true} assume true; {872#true} is VALID [2022-02-20 18:07:24,661 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {872#true} {873#false} #210#return; {873#false} is VALID [2022-02-20 18:07:24,661 INFO L290 TraceCheckUtils]: 0: Hoare triple {872#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; {872#true} is VALID [2022-02-20 18:07:24,661 INFO L290 TraceCheckUtils]: 1: Hoare triple {872#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {872#true} is VALID [2022-02-20 18:07:24,661 INFO L290 TraceCheckUtils]: 2: Hoare triple {872#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {872#true} is VALID [2022-02-20 18:07:24,662 INFO L290 TraceCheckUtils]: 3: Hoare triple {872#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {874#(= |ULTIMATE.start_valid_product_#res#1| 1)} is VALID [2022-02-20 18:07:24,662 INFO L290 TraceCheckUtils]: 4: Hoare triple {874#(= |ULTIMATE.start_valid_product_#res#1| 1)} main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; {875#(= |ULTIMATE.start_main_~tmp~3#1| 1)} is VALID [2022-02-20 18:07:24,662 INFO L290 TraceCheckUtils]: 5: Hoare triple {875#(= |ULTIMATE.start_main_~tmp~3#1| 1)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {872#true} is VALID [2022-02-20 18:07:24,663 INFO L290 TraceCheckUtils]: 6: Hoare triple {872#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {872#true} is VALID [2022-02-20 18:07:24,663 INFO L290 TraceCheckUtils]: 7: Hoare triple {872#true} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {872#true} is VALID [2022-02-20 18:07:24,663 INFO L290 TraceCheckUtils]: 8: Hoare triple {872#true} assume !false; {872#true} is VALID [2022-02-20 18:07:24,663 INFO L290 TraceCheckUtils]: 9: Hoare triple {872#true} assume test_~splverifierCounter~0#1 < 4; {872#true} is VALID [2022-02-20 18:07:24,663 INFO L290 TraceCheckUtils]: 10: Hoare triple {872#true} assume -2147483648 <= test_#t~nondet15#1 && test_#t~nondet15#1 <= 2147483647;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {872#true} is VALID [2022-02-20 18:07:24,663 INFO L290 TraceCheckUtils]: 11: Hoare triple {872#true} assume !(0 != test_~tmp~2#1); {872#true} is VALID [2022-02-20 18:07:24,664 INFO L290 TraceCheckUtils]: 12: Hoare triple {872#true} assume -2147483648 <= test_#t~nondet16#1 && test_#t~nondet16#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; {872#true} is VALID [2022-02-20 18:07:24,664 INFO L290 TraceCheckUtils]: 13: Hoare triple {872#true} assume !(0 != test_~tmp___0~1#1); {872#true} is VALID [2022-02-20 18:07:24,664 INFO L290 TraceCheckUtils]: 14: Hoare triple {872#true} assume -2147483648 <= test_#t~nondet17#1 && test_#t~nondet17#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {872#true} is VALID [2022-02-20 18:07:24,664 INFO L290 TraceCheckUtils]: 15: Hoare triple {872#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {876#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:24,665 INFO L290 TraceCheckUtils]: 16: Hoare triple {876#(not (= 0 ~systemActive~0))} assume { :end_inline_startSystem } true; {876#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:24,665 INFO L272 TraceCheckUtils]: 17: Hoare triple {876#(not (= 0 ~systemActive~0))} call timeShift(); {876#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:24,666 INFO L290 TraceCheckUtils]: 18: Hoare triple {876#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {876#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:07:24,666 INFO L290 TraceCheckUtils]: 19: Hoare triple {876#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {873#false} is VALID [2022-02-20 18:07:24,666 INFO L290 TraceCheckUtils]: 20: Hoare triple {873#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {873#false} is VALID [2022-02-20 18:07:24,666 INFO L272 TraceCheckUtils]: 21: Hoare triple {873#false} call __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical(); {872#true} is VALID [2022-02-20 18:07:24,667 INFO L290 TraceCheckUtils]: 22: Hoare triple {872#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {872#true} is VALID [2022-02-20 18:07:24,667 INFO L290 TraceCheckUtils]: 23: Hoare triple {872#true} assume true; {872#true} is VALID [2022-02-20 18:07:24,667 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {872#true} {873#false} #210#return; {873#false} is VALID [2022-02-20 18:07:24,667 INFO L290 TraceCheckUtils]: 25: Hoare triple {873#false} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {873#false} is VALID [2022-02-20 18:07:24,667 INFO L290 TraceCheckUtils]: 26: Hoare triple {873#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {873#false} is VALID [2022-02-20 18:07:24,667 INFO L290 TraceCheckUtils]: 27: Hoare triple {873#false} __utac_acc__Specification2_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret50#1 && __utac_acc__Specification2_spec__2_#t~ret50#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; {873#false} is VALID [2022-02-20 18:07:24,668 INFO L290 TraceCheckUtils]: 28: Hoare triple {873#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {873#false} is VALID [2022-02-20 18:07:24,668 INFO L290 TraceCheckUtils]: 29: Hoare triple {873#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {873#false} is VALID [2022-02-20 18:07:24,668 INFO L290 TraceCheckUtils]: 30: Hoare triple {873#false} assume !false; {873#false} is VALID [2022-02-20 18:07:24,668 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 18:07:24,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:24,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950821594] [2022-02-20 18:07:24,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950821594] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:24,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:24,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:07:24,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763713288] [2022-02-20 18:07:24,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:24,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-20 18:07:24,670 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:24,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:24,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:07:24,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:24,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:07:24,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:07:24,696 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,846 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-02-20 18:07:24,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:07:24,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-02-20 18:07:24,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2022-02-20 18:07:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2022-02-20 18:07:24,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 139 transitions. [2022-02-20 18:07:24,933 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:24,935 INFO L225 Difference]: With dead ends: 108 [2022-02-20 18:07:24,935 INFO L226 Difference]: Without dead ends: 58 [2022-02-20 18:07:24,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 18:07:24,936 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 100 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:24,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 164 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:24,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-20 18:07:24,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-02-20 18:07:24,941 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:24,941 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:07:24,941 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:07:24,942 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:07:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,944 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-02-20 18:07:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-02-20 18:07:24,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:24,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:24,945 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 58 states. [2022-02-20 18:07:24,945 INFO L87 Difference]: Start difference. First operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 58 states. [2022-02-20 18:07:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:24,947 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-02-20 18:07:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-02-20 18:07:24,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:24,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:24,948 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:24,948 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 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 18:07:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-02-20 18:07:24,950 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 31 [2022-02-20 18:07:24,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:24,950 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-02-20 18:07:24,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:07:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-02-20 18:07:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 18:07:24,951 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:07:24,951 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, 1, 1] [2022-02-20 18:07:24,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:07:24,952 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:07:24,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:07:24,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1778598413, now seen corresponding path program 1 times [2022-02-20 18:07:24,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:07:24,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378355561] [2022-02-20 18:07:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:07:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:07:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 18:07:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:25,019 INFO L290 TraceCheckUtils]: 0: Hoare triple {1239#true} assume true; {1239#true} is VALID [2022-02-20 18:07:25,020 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {1239#true} {1241#(= ~pumpRunning~0 0)} #208#return; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 18:07:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:07:25,026 INFO L290 TraceCheckUtils]: 0: Hoare triple {1239#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1239#true} is VALID [2022-02-20 18:07:25,026 INFO L290 TraceCheckUtils]: 1: Hoare triple {1239#true} assume true; {1239#true} is VALID [2022-02-20 18:07:25,027 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1239#true} {1241#(= ~pumpRunning~0 0)} #210#return; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,028 INFO L290 TraceCheckUtils]: 0: Hoare triple {1239#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,028 INFO L290 TraceCheckUtils]: 1: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,029 INFO L290 TraceCheckUtils]: 2: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,030 INFO L290 TraceCheckUtils]: 3: Hoare triple {1241#(= ~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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,031 INFO L290 TraceCheckUtils]: 4: Hoare triple {1241#(= ~pumpRunning~0 0)} main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,031 INFO L290 TraceCheckUtils]: 5: Hoare triple {1241#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,032 INFO L290 TraceCheckUtils]: 6: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,032 INFO L290 TraceCheckUtils]: 7: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,033 INFO L290 TraceCheckUtils]: 8: Hoare triple {1241#(= ~pumpRunning~0 0)} assume !false; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,033 INFO L290 TraceCheckUtils]: 9: Hoare triple {1241#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,034 INFO L290 TraceCheckUtils]: 10: Hoare triple {1241#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet15#1 && test_#t~nondet15#1 <= 2147483647;test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,034 INFO L290 TraceCheckUtils]: 11: Hoare triple {1241#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~2#1); {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,034 INFO L290 TraceCheckUtils]: 12: Hoare triple {1241#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet16#1 && test_#t~nondet16#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,035 INFO L290 TraceCheckUtils]: 13: Hoare triple {1241#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~1#1); {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,035 INFO L290 TraceCheckUtils]: 14: Hoare triple {1241#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet17#1 && test_#t~nondet17#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,035 INFO L290 TraceCheckUtils]: 15: Hoare triple {1241#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,036 INFO L290 TraceCheckUtils]: 16: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,036 INFO L272 TraceCheckUtils]: 17: Hoare triple {1241#(= ~pumpRunning~0 0)} call timeShift(); {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,037 INFO L290 TraceCheckUtils]: 18: Hoare triple {1241#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,037 INFO L290 TraceCheckUtils]: 19: Hoare triple {1241#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,038 INFO L290 TraceCheckUtils]: 20: Hoare triple {1241#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,038 INFO L272 TraceCheckUtils]: 21: Hoare triple {1241#(= ~pumpRunning~0 0)} call processEnvironment__wrappee__base(); {1239#true} is VALID [2022-02-20 18:07:25,038 INFO L290 TraceCheckUtils]: 22: Hoare triple {1239#true} assume true; {1239#true} is VALID [2022-02-20 18:07:25,039 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1239#true} {1241#(= ~pumpRunning~0 0)} #208#return; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,039 INFO L290 TraceCheckUtils]: 24: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,039 INFO L290 TraceCheckUtils]: 25: Hoare triple {1241#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,040 INFO L272 TraceCheckUtils]: 26: Hoare triple {1241#(= ~pumpRunning~0 0)} call __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical(); {1239#true} is VALID [2022-02-20 18:07:25,040 INFO L290 TraceCheckUtils]: 27: Hoare triple {1239#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1239#true} is VALID [2022-02-20 18:07:25,040 INFO L290 TraceCheckUtils]: 28: Hoare triple {1239#true} assume true; {1239#true} is VALID [2022-02-20 18:07:25,041 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {1239#true} {1241#(= ~pumpRunning~0 0)} #210#return; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,041 INFO L290 TraceCheckUtils]: 30: Hoare triple {1241#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret49#1 && __utac_acc__Specification2_spec__2_#t~ret49#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {1241#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:07:25,041 INFO L290 TraceCheckUtils]: 31: Hoare triple {1241#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {1247#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:07:25,042 INFO L290 TraceCheckUtils]: 32: Hoare triple {1247#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification2_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret50#1 && __utac_acc__Specification2_spec__2_#t~ret50#1 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~2#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; {1248#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~2#1| 0)} is VALID [2022-02-20 18:07:25,042 INFO L290 TraceCheckUtils]: 33: Hoare triple {1248#(= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~2#1| 0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~2#1; {1240#false} is VALID [2022-02-20 18:07:25,042 INFO L290 TraceCheckUtils]: 34: Hoare triple {1240#false} assume 0 != ~methAndRunningLastTime~0;assume { :begin_inline___automaton_fail } true; {1240#false} is VALID [2022-02-20 18:07:25,043 INFO L290 TraceCheckUtils]: 35: Hoare triple {1240#false} assume !false; {1240#false} is VALID [2022-02-20 18:07:25,043 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 18:07:25,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:07:25,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378355561] [2022-02-20 18:07:25,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378355561] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:07:25,044 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:07:25,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:07:25,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547621673] [2022-02-20 18:07:25,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:07:25,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 36 [2022-02-20 18:07:25,045 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:07:25,045 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 18:07:25,069 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:25,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:07:25,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:07:25,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:07:25,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:07:25,070 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 18:07:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:25,159 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2022-02-20 18:07:25,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:07:25,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 36 [2022-02-20 18:07:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:07:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 18:07:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2022-02-20 18:07:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 18:07:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2022-02-20 18:07:25,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 124 transitions. [2022-02-20 18:07:25,253 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:07:25,253 INFO L225 Difference]: With dead ends: 99 [2022-02-20 18:07:25,253 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:07:25,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 18:07:25,255 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 34 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:07:25,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 148 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:07:25,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:07:25,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:07:25,256 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:07:25,256 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 18:07:25,256 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 18:07:25,257 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 18:07:25,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:25,257 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:25,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:25,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:25,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:25,257 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 18:07:25,258 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 18:07:25,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:07:25,258 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:07:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:25,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:25,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:07:25,258 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:07:25,259 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:07:25,259 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 18:07:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:07:25,259 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-02-20 18:07:25,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:07:25,259 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:07:25,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 2 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 18:07:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:07:25,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:07:25,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:07:25,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:07:25,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:07:25,456 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2022-02-20 18:07:25,457 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2022-02-20 18:07:25,457 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 454 465) the Hoare annotation is: true [2022-02-20 18:07:25,457 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2022-02-20 18:07:25,457 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 454 465) no Hoare annotation was computed. [2022-02-20 18:07:25,457 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 292 321) no Hoare annotation was computed. [2022-02-20 18:07:25,457 INFO L861 garLoopResultBuilder]: At program point L317(lines 292 321) the Hoare annotation is: true [2022-02-20 18:07:25,458 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 292 321) the Hoare annotation is: true [2022-02-20 18:07:25,458 INFO L858 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2022-02-20 18:07:25,458 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2022-02-20 18:07:25,458 INFO L861 garLoopResultBuilder]: At program point L306-1(lines 306 310) the Hoare annotation is: true [2022-02-20 18:07:25,458 INFO L858 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2022-02-20 18:07:25,458 INFO L861 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: true [2022-02-20 18:07:25,458 INFO L861 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-02-20 18:07:25,459 INFO L858 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2022-02-20 18:07:25,459 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 466 474) the Hoare annotation is: true [2022-02-20 18:07:25,459 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 466 474) no Hoare annotation was computed. [2022-02-20 18:07:25,459 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 466 474) no Hoare annotation was computed. [2022-02-20 18:07:25,459 INFO L858 garLoopResultBuilder]: For program point L927(line 927) no Hoare annotation was computed. [2022-02-20 18:07:25,459 INFO L854 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,459 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2022-02-20 18:07:25,460 INFO L854 garLoopResultBuilder]: At program point L899(line 899) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,460 INFO L858 garLoopResultBuilder]: For program point L899-1(line 899) no Hoare annotation was computed. [2022-02-20 18:07:25,460 INFO L854 garLoopResultBuilder]: At program point L928(lines 923 930) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,460 INFO L854 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,460 INFO L854 garLoopResultBuilder]: At program point L115-1(lines 96 120) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,460 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 206) no Hoare annotation was computed. [2022-02-20 18:07:25,461 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 206) no Hoare annotation was computed. [2022-02-20 18:07:25,461 INFO L854 garLoopResultBuilder]: At program point L512(lines 507 515) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,461 INFO L854 garLoopResultBuilder]: At program point L153(lines 148 156) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,461 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 438) no Hoare annotation was computed. [2022-02-20 18:07:25,461 INFO L854 garLoopResultBuilder]: At program point L434-2(lines 430 441) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,461 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-02-20 18:07:25,462 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 915) no Hoare annotation was computed. [2022-02-20 18:07:25,462 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 112) no Hoare annotation was computed. [2022-02-20 18:07:25,462 INFO L858 garLoopResultBuilder]: For program point L901(lines 901 918) no Hoare annotation was computed. [2022-02-20 18:07:25,462 INFO L858 garLoopResultBuilder]: For program point L100(lines 100 117) no Hoare annotation was computed. [2022-02-20 18:07:25,462 INFO L854 garLoopResultBuilder]: At program point L901-1(lines 893 921) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,462 INFO L854 garLoopResultBuilder]: At program point L208(lines 193 211) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,462 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,463 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2022-02-20 18:07:25,463 INFO L858 garLoopResultBuilder]: For program point L906(lines 906 912) no Hoare annotation was computed. [2022-02-20 18:07:25,463 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 927) no Hoare annotation was computed. [2022-02-20 18:07:25,463 INFO L854 garLoopResultBuilder]: At program point L134(lines 129 136) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-02-20 18:07:25,463 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 67 86) no Hoare annotation was computed. [2022-02-20 18:07:25,463 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 260) no Hoare annotation was computed. [2022-02-20 18:07:25,463 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 260) no Hoare annotation was computed. [2022-02-20 18:07:25,464 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 385) no Hoare annotation was computed. [2022-02-20 18:07:25,464 INFO L854 garLoopResultBuilder]: At program point L890(lines 885 892) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,464 INFO L854 garLoopResultBuilder]: At program point L217(lines 212 219) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,464 INFO L858 garLoopResultBuilder]: For program point L378-2(lines 378 385) no Hoare annotation was computed. [2022-02-20 18:07:25,464 INFO L854 garLoopResultBuilder]: At program point L407(lines 403 409) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,464 INFO L854 garLoopResultBuilder]: At program point L279(lines 234 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,465 INFO L854 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,465 INFO L861 garLoopResultBuilder]: At program point L362(lines 354 364) the Hoare annotation is: true [2022-02-20 18:07:25,465 INFO L861 garLoopResultBuilder]: At program point L387(lines 368 390) the Hoare annotation is: true [2022-02-20 18:07:25,465 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:07:25,465 INFO L854 garLoopResultBuilder]: At program point L350(lines 346 352) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,465 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:07:25,465 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:07:25,466 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2022-02-20 18:07:25,466 INFO L854 garLoopResultBuilder]: At program point L272-2(lines 264 277) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,466 INFO L858 garLoopResultBuilder]: For program point L235(lines 234 281) no Hoare annotation was computed. [2022-02-20 18:07:25,466 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 277) no Hoare annotation was computed. [2022-02-20 18:07:25,466 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:07:25,466 INFO L854 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,466 INFO L861 garLoopResultBuilder]: At program point L285(lines 224 289) the Hoare annotation is: true [2022-02-20 18:07:25,467 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2022-02-20 18:07:25,467 INFO L858 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2022-02-20 18:07:25,467 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2022-02-20 18:07:25,467 INFO L854 garLoopResultBuilder]: At program point L422(lines 417 425) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,467 INFO L854 garLoopResultBuilder]: At program point L414(lines 410 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:07:25,467 INFO L854 garLoopResultBuilder]: At program point L282(lines 233 283) the Hoare annotation is: false [2022-02-20 18:07:25,467 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 442 453) no Hoare annotation was computed. [2022-02-20 18:07:25,467 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2022-02-20 18:07:25,468 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 442 453) the Hoare annotation is: true [2022-02-20 18:07:25,470 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:07:25,471 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:07:25,473 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: L458-1 has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: L458-1 has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: L68-1 has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: L446-1 has no Hoare annotation [2022-02-20 18:07:25,474 WARN L170 areAnnotationChecker]: L446-1 has no Hoare annotation [2022-02-20 18:07:25,475 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:07:25,475 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:07:25,475 WARN L170 areAnnotationChecker]: L458-1 has no Hoare annotation [2022-02-20 18:07:25,475 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L68-1 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L68-1 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L446-1 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2022-02-20 18:07:25,476 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:07:25,477 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2022-02-20 18:07:25,477 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:07:25,477 WARN L170 areAnnotationChecker]: L68-1 has no Hoare annotation [2022-02-20 18:07:25,477 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:07:25,477 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 18:07:25,477 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2022-02-20 18:07:25,478 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:07:25,478 WARN L170 areAnnotationChecker]: L254-1 has no Hoare annotation [2022-02-20 18:07:25,478 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2022-02-20 18:07:25,478 WARN L170 areAnnotationChecker]: L899-1 has no Hoare annotation [2022-02-20 18:07:25,478 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-02-20 18:07:25,478 WARN L170 areAnnotationChecker]: L899-1 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L244-1 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2022-02-20 18:07:25,479 WARN L170 areAnnotationChecker]: L378 has no Hoare annotation [2022-02-20 18:07:25,480 WARN L170 areAnnotationChecker]: L254 has no Hoare annotation [2022-02-20 18:07:25,480 WARN L170 areAnnotationChecker]: L254 has no Hoare annotation [2022-02-20 18:07:25,480 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2022-02-20 18:07:25,480 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2022-02-20 18:07:25,480 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:07:25,480 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: L202-2 has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: L378 has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: L378 has no Hoare annotation [2022-02-20 18:07:25,481 WARN L170 areAnnotationChecker]: L254-1 has no Hoare annotation [2022-02-20 18:07:25,482 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2022-02-20 18:07:25,482 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2022-02-20 18:07:25,482 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2022-02-20 18:07:25,482 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:07:25,483 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 18:07:25,483 WARN L170 areAnnotationChecker]: L378-2 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L235 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L378-2 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 18:07:25,484 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 18:07:25,485 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:25,485 WARN L170 areAnnotationChecker]: L235 has no Hoare annotation [2022-02-20 18:07:25,485 WARN L170 areAnnotationChecker]: L235 has no Hoare annotation [2022-02-20 18:07:25,485 WARN L170 areAnnotationChecker]: L927 has no Hoare annotation [2022-02-20 18:07:25,485 WARN L170 areAnnotationChecker]: L927 has no Hoare annotation [2022-02-20 18:07:25,486 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:07:25,486 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2022-02-20 18:07:25,487 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2022-02-20 18:07:25,487 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2022-02-20 18:07:25,487 WARN L170 areAnnotationChecker]: L244-1 has no Hoare annotation [2022-02-20 18:07:25,487 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 18:07:25,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:07:25 BoogieIcfgContainer [2022-02-20 18:07:25,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:07:25,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:07:25,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:07:25,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:07:25,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:07:23" (3/4) ... [2022-02-20 18:07:25,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:07:25,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-02-20 18:07:25,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:07:25,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:07:25,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:07:25,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:07:25,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:07:25,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-02-20 18:07:25,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:07:25,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:07:25,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:07:25,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:07:25,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:25,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:07:25,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-02-20 18:07:25,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:07:25,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:07:25,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:07:25,556 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-02-20 18:07:25,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-02-20 18:07:25,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:07:25,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-02-20 18:07:25,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive [2022-02-20 18:07:25,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-02-20 18:07:25,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-02-20 18:07:25,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-02-20 18:07:25,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-02-20 18:07:25,591 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:07:25,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:07:25,592 INFO L158 Benchmark]: Toolchain (without parser) took 2885.22ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 94.1MB in the beginning and 136.2MB in the end (delta: -42.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-02-20 18:07:25,592 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:07:25,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.55ms. Allocated memory is still 132.1MB. Free memory was 94.0MB in the beginning and 95.9MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 18:07:25,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.70ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 93.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:25,593 INFO L158 Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 91.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:07:25,593 INFO L158 Benchmark]: RCFGBuilder took 309.01ms. Allocated memory is still 132.1MB. Free memory was 91.6MB in the beginning and 72.9MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-20 18:07:25,594 INFO L158 Benchmark]: TraceAbstraction took 2041.47ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 72.4MB in the beginning and 141.4MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:07:25,594 INFO L158 Benchmark]: Witness Printer took 92.89ms. Allocated memory is still 197.1MB. Free memory was 141.4MB in the beginning and 136.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 18:07:25,595 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 132.1MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.55ms. Allocated memory is still 132.1MB. Free memory was 94.0MB in the beginning and 95.9MB in the end (delta: -2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.70ms. Allocated memory is still 132.1MB. Free memory was 95.9MB in the beginning and 93.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.36ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 91.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.01ms. Allocated memory is still 132.1MB. Free memory was 91.6MB in the beginning and 72.9MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2041.47ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 72.4MB in the beginning and 141.4MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.89ms. Allocated memory is still 197.1MB. Free memory was 141.4MB in the beginning and 136.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 927]: 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, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 283 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 142 PreInvPairs, 157 NumberOfFragments, 271 HoareAnnotationTreeSize, 142 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 885]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-02-20 18:07:25,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE