./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product02.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_spec1_product02.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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:05:27,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:05:27,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:05:27,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:05:27,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:05:27,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:05:27,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:05:27,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:05:27,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:05:27,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:05:27,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:05:27,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:05:27,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:05:27,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:05:27,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:05:27,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:05:27,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:05:27,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:05:27,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:05:27,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:05:27,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:05:27,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:05:27,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:05:27,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:05:27,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:05:27,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:05:27,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:05:27,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:05:27,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:05:27,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:05:27,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:05:27,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:05:27,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:05:27,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:05:27,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:05:27,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:05:27,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:05:27,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:05:27,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:05:27,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:05:27,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:05:27,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:05:27,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:05:27,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:05:27,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:05:27,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:05:27,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:05:27,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:05:27,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:05:27,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:05:27,682 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:05:27,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:05:27,683 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:05:27,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:05:27,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:05:27,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:05:27,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:05:27,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:05:27,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:05:27,684 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:05:27,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:05:27,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:05:27,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:05:27,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:05:27,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:05:27,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:05:27,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:27,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:05:27,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:05:27,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:05:27,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:05:27,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:05:27,687 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:05:27,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:05:27,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:05:27,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2022-02-20 18:05:27,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:05:27,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:05:27,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:05:27,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:05:27,980 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:05:27,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2022-02-20 18:05:28,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db1b0d5e0/0c4d1513e3994463aa6a501635ad0b62/FLAG27e35eefc [2022-02-20 18:05:28,505 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:05:28,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2022-02-20 18:05:28,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db1b0d5e0/0c4d1513e3994463aa6a501635ad0b62/FLAG27e35eefc [2022-02-20 18:05:28,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db1b0d5e0/0c4d1513e3994463aa6a501635ad0b62 [2022-02-20 18:05:28,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:05:28,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:05:28,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:28,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:05:28,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:05:28,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:28" (1/1) ... [2022-02-20 18:05:28,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d48249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:28, skipping insertion in model container [2022-02-20 18:05:28,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:28" (1/1) ... [2022-02-20 18:05:28,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:05:28,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:05:29,213 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_spec1_product02.cil.c[7173,7186] [2022-02-20 18:05:29,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:29,317 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:05:29,376 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_spec1_product02.cil.c[7173,7186] [2022-02-20 18:05:29,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:29,432 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:05:29,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29 WrapperNode [2022-02-20 18:05:29,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:29,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:29,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:05:29,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:05:29,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,483 INFO L137 Inliner]: procedures = 50, calls = 145, calls flagged for inlining = 17, calls inlined = 14, statements flattened = 183 [2022-02-20 18:05:29,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:29,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:05:29,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:05:29,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:05:29,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:05:29,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:05:29,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:05:29,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:05:29,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (1/1) ... [2022-02-20 18:05:29,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:29,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:05:29,555 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 18:05:29,566 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 18:05:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:05:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:05:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:05:29,596 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:05:29,596 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:05:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:05:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:05:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:05:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:05:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:05:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:05:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:05:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:05:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:05:29,657 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:05:29,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:05:30,011 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:05:30,018 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:05:30,019 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:05:30,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:30 BoogieIcfgContainer [2022-02-20 18:05:30,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:05:30,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:05:30,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:05:30,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:05:30,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:05:28" (1/3) ... [2022-02-20 18:05:30,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9c1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:30, skipping insertion in model container [2022-02-20 18:05:30,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:29" (2/3) ... [2022-02-20 18:05:30,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f9c1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:30, skipping insertion in model container [2022-02-20 18:05:30,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:30" (3/3) ... [2022-02-20 18:05:30,028 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2022-02-20 18:05:30,032 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:05:30,033 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:05:30,070 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:05:30,075 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 18:05:30,075 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:05:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:05:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 18:05:30,099 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:30,100 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] [2022-02-20 18:05:30,100 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:30,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1485626955, now seen corresponding path program 1 times [2022-02-20 18:05:30,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:30,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134099416] [2022-02-20 18:05:30,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:05:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:30,346 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {66#true} is VALID [2022-02-20 18:05:30,346 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#true} assume true; {66#true} is VALID [2022-02-20 18:05:30,347 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {66#true} {67#false} #166#return; {67#false} is VALID [2022-02-20 18:05:30,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {66#true} is VALID [2022-02-20 18:05:30,349 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {66#true} is VALID [2022-02-20 18:05:30,349 INFO L290 TraceCheckUtils]: 2: Hoare triple {66#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {66#true} is VALID [2022-02-20 18:05:30,350 INFO L290 TraceCheckUtils]: 3: Hoare triple {66#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {66#true} is VALID [2022-02-20 18:05:30,350 INFO L290 TraceCheckUtils]: 4: Hoare triple {66#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {66#true} is VALID [2022-02-20 18:05:30,350 INFO L290 TraceCheckUtils]: 5: Hoare triple {66#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {66#true} is VALID [2022-02-20 18:05:30,350 INFO L290 TraceCheckUtils]: 6: Hoare triple {66#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {66#true} is VALID [2022-02-20 18:05:30,351 INFO L290 TraceCheckUtils]: 7: Hoare triple {66#true} assume !true; {67#false} is VALID [2022-02-20 18:05:30,352 INFO L272 TraceCheckUtils]: 8: Hoare triple {67#false} call cleanup(); {67#false} is VALID [2022-02-20 18:05:30,352 INFO L290 TraceCheckUtils]: 9: Hoare triple {67#false} havoc ~i~0;havoc ~__cil_tmp2~0; {67#false} is VALID [2022-02-20 18:05:30,352 INFO L272 TraceCheckUtils]: 10: Hoare triple {67#false} call timeShift(); {67#false} is VALID [2022-02-20 18:05:30,353 INFO L290 TraceCheckUtils]: 11: Hoare triple {67#false} assume !(0 != ~pumpRunning~0); {67#false} is VALID [2022-02-20 18:05:30,353 INFO L290 TraceCheckUtils]: 12: Hoare triple {67#false} assume !(0 != ~systemActive~0); {67#false} is VALID [2022-02-20 18:05:30,353 INFO L290 TraceCheckUtils]: 13: Hoare triple {67#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {67#false} is VALID [2022-02-20 18:05:30,353 INFO L272 TraceCheckUtils]: 14: Hoare triple {67#false} call __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical(); {66#true} is VALID [2022-02-20 18:05:30,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {66#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {66#true} is VALID [2022-02-20 18:05:30,354 INFO L290 TraceCheckUtils]: 16: Hoare triple {66#true} assume true; {66#true} is VALID [2022-02-20 18:05:30,354 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {66#true} {67#false} #166#return; {67#false} is VALID [2022-02-20 18:05:30,355 INFO L290 TraceCheckUtils]: 18: Hoare triple {67#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret18#1 && __utac_acc__Specification1_spec__1_#t~ret18#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; {67#false} is VALID [2022-02-20 18:05:30,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {67#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {67#false} is VALID [2022-02-20 18:05:30,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {67#false} __utac_acc__Specification1_spec__1_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret19#1 && __utac_acc__Specification1_spec__1_#t~ret19#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret19#1;havoc __utac_acc__Specification1_spec__1_#t~ret19#1; {67#false} is VALID [2022-02-20 18:05:30,355 INFO L290 TraceCheckUtils]: 21: Hoare triple {67#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {67#false} is VALID [2022-02-20 18:05:30,356 INFO L290 TraceCheckUtils]: 22: Hoare triple {67#false} assume !false; {67#false} is VALID [2022-02-20 18:05:30,356 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 18:05:30,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:30,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134099416] [2022-02-20 18:05:30,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134099416] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:30,358 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:30,358 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:05:30,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089416825] [2022-02-20 18:05:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:30,365 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-02-20 18:05:30,367 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:30,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:05:30,432 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:30,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:05:30,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:30,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:05:30,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:05:30,462 INFO L87 Difference]: Start difference. First operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:05:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:30,544 INFO L93 Difference]: Finished difference Result 118 states and 159 transitions. [2022-02-20 18:05:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:05:30,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-02-20 18:05:30,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:05:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 159 transitions. [2022-02-20 18:05:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:05:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 159 transitions. [2022-02-20 18:05:30,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 159 transitions. [2022-02-20 18:05:30,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:30,703 INFO L225 Difference]: With dead ends: 118 [2022-02-20 18:05:30,703 INFO L226 Difference]: Without dead ends: 54 [2022-02-20 18:05:30,706 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 18:05:30,710 INFO L933 BasicCegarLoop]: 76 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, 76 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 18:05:30,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-02-20 18:05:30,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-02-20 18:05:30,739 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:30,740 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:30,741 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:30,741 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:30,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:30,747 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-02-20 18:05:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:05:30,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:30,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:30,749 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:05:30,749 INFO L87 Difference]: Start difference. First operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:05:30,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:30,754 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-02-20 18:05:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:05:30,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:30,755 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:30,755 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:30,756 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:30,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:30,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-02-20 18:05:30,761 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 23 [2022-02-20 18:05:30,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:30,761 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-02-20 18:05:30,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 18:05:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:05:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 18:05:30,763 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:30,764 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] [2022-02-20 18:05:30,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:05:30,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:30,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1153573553, now seen corresponding path program 1 times [2022-02-20 18:05:30,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:30,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885001604] [2022-02-20 18:05:30,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:30,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:05:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:30,833 INFO L290 TraceCheckUtils]: 0: Hoare triple {427#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {427#true} is VALID [2022-02-20 18:05:30,833 INFO L290 TraceCheckUtils]: 1: Hoare triple {427#true} assume true; {427#true} is VALID [2022-02-20 18:05:30,833 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {427#true} {428#false} #166#return; {428#false} is VALID [2022-02-20 18:05:30,834 INFO L290 TraceCheckUtils]: 0: Hoare triple {427#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {427#true} is VALID [2022-02-20 18:05:30,834 INFO L290 TraceCheckUtils]: 1: Hoare triple {427#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {427#true} is VALID [2022-02-20 18:05:30,834 INFO L290 TraceCheckUtils]: 2: Hoare triple {427#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {427#true} is VALID [2022-02-20 18:05:30,834 INFO L290 TraceCheckUtils]: 3: Hoare triple {427#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {427#true} is VALID [2022-02-20 18:05:30,835 INFO L290 TraceCheckUtils]: 4: Hoare triple {427#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {427#true} is VALID [2022-02-20 18:05:30,835 INFO L290 TraceCheckUtils]: 5: Hoare triple {427#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {427#true} is VALID [2022-02-20 18:05:30,836 INFO L290 TraceCheckUtils]: 6: Hoare triple {427#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:30,836 INFO L290 TraceCheckUtils]: 7: Hoare triple {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:30,837 INFO L290 TraceCheckUtils]: 8: Hoare triple {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {428#false} is VALID [2022-02-20 18:05:30,837 INFO L272 TraceCheckUtils]: 9: Hoare triple {428#false} call cleanup(); {428#false} is VALID [2022-02-20 18:05:30,837 INFO L290 TraceCheckUtils]: 10: Hoare triple {428#false} havoc ~i~0;havoc ~__cil_tmp2~0; {428#false} is VALID [2022-02-20 18:05:30,837 INFO L272 TraceCheckUtils]: 11: Hoare triple {428#false} call timeShift(); {428#false} is VALID [2022-02-20 18:05:30,838 INFO L290 TraceCheckUtils]: 12: Hoare triple {428#false} assume !(0 != ~pumpRunning~0); {428#false} is VALID [2022-02-20 18:05:30,838 INFO L290 TraceCheckUtils]: 13: Hoare triple {428#false} assume !(0 != ~systemActive~0); {428#false} is VALID [2022-02-20 18:05:30,838 INFO L290 TraceCheckUtils]: 14: Hoare triple {428#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {428#false} is VALID [2022-02-20 18:05:30,838 INFO L272 TraceCheckUtils]: 15: Hoare triple {428#false} call __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical(); {427#true} is VALID [2022-02-20 18:05:30,839 INFO L290 TraceCheckUtils]: 16: Hoare triple {427#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {427#true} is VALID [2022-02-20 18:05:30,839 INFO L290 TraceCheckUtils]: 17: Hoare triple {427#true} assume true; {427#true} is VALID [2022-02-20 18:05:30,839 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {427#true} {428#false} #166#return; {428#false} is VALID [2022-02-20 18:05:30,839 INFO L290 TraceCheckUtils]: 19: Hoare triple {428#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret18#1 && __utac_acc__Specification1_spec__1_#t~ret18#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; {428#false} is VALID [2022-02-20 18:05:30,840 INFO L290 TraceCheckUtils]: 20: Hoare triple {428#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {428#false} is VALID [2022-02-20 18:05:30,840 INFO L290 TraceCheckUtils]: 21: Hoare triple {428#false} __utac_acc__Specification1_spec__1_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret19#1 && __utac_acc__Specification1_spec__1_#t~ret19#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret19#1;havoc __utac_acc__Specification1_spec__1_#t~ret19#1; {428#false} is VALID [2022-02-20 18:05:30,840 INFO L290 TraceCheckUtils]: 22: Hoare triple {428#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {428#false} is VALID [2022-02-20 18:05:30,840 INFO L290 TraceCheckUtils]: 23: Hoare triple {428#false} assume !false; {428#false} is VALID [2022-02-20 18:05:30,841 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 18:05:30,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:30,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885001604] [2022-02-20 18:05:30,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885001604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:30,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:30,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:30,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754950208] [2022-02-20 18:05:30,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:30,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-02-20 18:05:30,844 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:30,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:05:30,871 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:30,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:30,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:30,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:30,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:30,873 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:05:30,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:30,948 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2022-02-20 18:05:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:30,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-02-20 18:05:30,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:05:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2022-02-20 18:05:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:05:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2022-02-20 18:05:30,956 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 89 transitions. [2022-02-20 18:05:31,038 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:31,044 INFO L225 Difference]: With dead ends: 73 [2022-02-20 18:05:31,044 INFO L226 Difference]: Without dead ends: 45 [2022-02-20 18:05:31,049 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 18:05:31,052 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 13 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 91 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 18:05:31,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 91 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:31,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-02-20 18:05:31,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-02-20 18:05:31,065 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:31,067 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,068 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,069 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,073 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-02-20 18:05:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-02-20 18:05:31,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:31,074 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:31,074 INFO L87 Difference]: Start difference. First operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:31,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,076 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-02-20 18:05:31,076 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-02-20 18:05:31,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,077 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:31,077 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:31,077 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2022-02-20 18:05:31,080 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 24 [2022-02-20 18:05:31,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:31,080 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2022-02-20 18:05:31,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 18:05:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-02-20 18:05:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 18:05:31,081 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:31,082 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] [2022-02-20 18:05:31,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:05:31,082 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:31,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash 216720962, now seen corresponding path program 1 times [2022-02-20 18:05:31,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:31,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468800327] [2022-02-20 18:05:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:31,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:05:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:31,209 INFO L290 TraceCheckUtils]: 0: Hoare triple {691#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {691#true} is VALID [2022-02-20 18:05:31,209 INFO L290 TraceCheckUtils]: 1: Hoare triple {691#true} assume true; {691#true} is VALID [2022-02-20 18:05:31,210 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {691#true} {692#false} #166#return; {692#false} is VALID [2022-02-20 18:05:31,212 INFO L290 TraceCheckUtils]: 0: Hoare triple {691#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {691#true} is VALID [2022-02-20 18:05:31,215 INFO L290 TraceCheckUtils]: 1: Hoare triple {691#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {691#true} is VALID [2022-02-20 18:05:31,216 INFO L290 TraceCheckUtils]: 2: Hoare triple {691#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {691#true} is VALID [2022-02-20 18:05:31,217 INFO L290 TraceCheckUtils]: 3: Hoare triple {691#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {693#(= |ULTIMATE.start_valid_product_#res#1| 1)} is VALID [2022-02-20 18:05:31,217 INFO L290 TraceCheckUtils]: 4: Hoare triple {693#(= |ULTIMATE.start_valid_product_#res#1| 1)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {694#(= |ULTIMATE.start_main_~tmp~0#1| 1)} is VALID [2022-02-20 18:05:31,218 INFO L290 TraceCheckUtils]: 5: Hoare triple {694#(= |ULTIMATE.start_main_~tmp~0#1| 1)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {691#true} is VALID [2022-02-20 18:05:31,218 INFO L290 TraceCheckUtils]: 6: Hoare triple {691#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {691#true} is VALID [2022-02-20 18:05:31,218 INFO L290 TraceCheckUtils]: 7: Hoare triple {691#true} assume !false; {691#true} is VALID [2022-02-20 18:05:31,219 INFO L290 TraceCheckUtils]: 8: Hoare triple {691#true} assume test_~splverifierCounter~0#1 < 4; {691#true} is VALID [2022-02-20 18:05:31,219 INFO L290 TraceCheckUtils]: 9: Hoare triple {691#true} assume -2147483648 <= test_#t~nondet14#1 && test_#t~nondet14#1 <= 2147483647;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; {691#true} is VALID [2022-02-20 18:05:31,219 INFO L290 TraceCheckUtils]: 10: Hoare triple {691#true} assume !(0 != test_~tmp~1#1); {691#true} is VALID [2022-02-20 18:05:31,219 INFO L290 TraceCheckUtils]: 11: Hoare triple {691#true} assume -2147483648 <= test_#t~nondet15#1 && test_#t~nondet15#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {691#true} is VALID [2022-02-20 18:05:31,220 INFO L290 TraceCheckUtils]: 12: Hoare triple {691#true} assume !(0 != test_~tmp___0~0#1); {691#true} is VALID [2022-02-20 18:05:31,220 INFO L290 TraceCheckUtils]: 13: Hoare triple {691#true} assume -2147483648 <= test_#t~nondet16#1 && test_#t~nondet16#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; {691#true} is VALID [2022-02-20 18:05:31,220 INFO L290 TraceCheckUtils]: 14: Hoare triple {691#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {695#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:05:31,222 INFO L290 TraceCheckUtils]: 15: Hoare triple {695#(not (= 0 ~systemActive~0))} assume { :end_inline_startSystem } true; {695#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:05:31,223 INFO L272 TraceCheckUtils]: 16: Hoare triple {695#(not (= 0 ~systemActive~0))} call timeShift(); {695#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:05:31,223 INFO L290 TraceCheckUtils]: 17: Hoare triple {695#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {695#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:05:31,224 INFO L290 TraceCheckUtils]: 18: Hoare triple {695#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {692#false} is VALID [2022-02-20 18:05:31,224 INFO L290 TraceCheckUtils]: 19: Hoare triple {692#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {692#false} is VALID [2022-02-20 18:05:31,224 INFO L272 TraceCheckUtils]: 20: Hoare triple {692#false} call __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical(); {691#true} is VALID [2022-02-20 18:05:31,224 INFO L290 TraceCheckUtils]: 21: Hoare triple {691#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {691#true} is VALID [2022-02-20 18:05:31,225 INFO L290 TraceCheckUtils]: 22: Hoare triple {691#true} assume true; {691#true} is VALID [2022-02-20 18:05:31,225 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {691#true} {692#false} #166#return; {692#false} is VALID [2022-02-20 18:05:31,225 INFO L290 TraceCheckUtils]: 24: Hoare triple {692#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret18#1 && __utac_acc__Specification1_spec__1_#t~ret18#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; {692#false} is VALID [2022-02-20 18:05:31,226 INFO L290 TraceCheckUtils]: 25: Hoare triple {692#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {692#false} is VALID [2022-02-20 18:05:31,226 INFO L290 TraceCheckUtils]: 26: Hoare triple {692#false} __utac_acc__Specification1_spec__1_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret19#1 && __utac_acc__Specification1_spec__1_#t~ret19#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret19#1;havoc __utac_acc__Specification1_spec__1_#t~ret19#1; {692#false} is VALID [2022-02-20 18:05:31,226 INFO L290 TraceCheckUtils]: 27: Hoare triple {692#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {692#false} is VALID [2022-02-20 18:05:31,226 INFO L290 TraceCheckUtils]: 28: Hoare triple {692#false} assume !false; {692#false} is VALID [2022-02-20 18:05:31,228 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 18:05:31,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:31,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468800327] [2022-02-20 18:05:31,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468800327] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:31,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:31,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:05:31,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149202680] [2022-02-20 18:05:31,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:31,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2022-02-20 18:05:31,232 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:31,232 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 18:05:31,259 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:31,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:05:31,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:31,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:05:31,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:05:31,262 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 18:05:31,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,426 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2022-02-20 18:05:31,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:05:31,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2022-02-20 18:05:31,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 18:05:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2022-02-20 18:05:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 18:05:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2022-02-20 18:05:31,434 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 104 transitions. [2022-02-20 18:05:31,528 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:31,530 INFO L225 Difference]: With dead ends: 83 [2022-02-20 18:05:31,530 INFO L226 Difference]: Without dead ends: 45 [2022-02-20 18:05:31,531 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 18:05:31,532 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 80 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 112 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 18:05:31,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 112 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:31,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-02-20 18:05:31,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-02-20 18:05:31,543 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:31,544 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,545 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,546 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,550 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-02-20 18:05:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-02-20 18:05:31,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,552 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:31,552 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:31,553 INFO L87 Difference]: Start difference. First operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:31,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,558 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-02-20 18:05:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-02-20 18:05:31,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:31,560 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:31,560 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-02-20 18:05:31,562 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 29 [2022-02-20 18:05:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:31,562 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-02-20 18:05:31,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 18:05:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-02-20 18:05:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:05:31,563 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:31,563 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:31,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:05:31,564 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:31,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:31,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1766629655, now seen corresponding path program 1 times [2022-02-20 18:05:31,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:31,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655482776] [2022-02-20 18:05:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 18:05:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:31,644 INFO L290 TraceCheckUtils]: 0: Hoare triple {974#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {974#true} is VALID [2022-02-20 18:05:31,644 INFO L290 TraceCheckUtils]: 1: Hoare triple {974#true} assume true; {974#true} is VALID [2022-02-20 18:05:31,645 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {974#true} {976#(= ~pumpRunning~0 0)} #166#return; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,645 INFO L290 TraceCheckUtils]: 0: Hoare triple {974#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,646 INFO L290 TraceCheckUtils]: 1: Hoare triple {976#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,646 INFO L290 TraceCheckUtils]: 2: Hoare triple {976#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,647 INFO L290 TraceCheckUtils]: 3: Hoare triple {976#(= ~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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,647 INFO L290 TraceCheckUtils]: 4: Hoare triple {976#(= ~pumpRunning~0 0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,648 INFO L290 TraceCheckUtils]: 5: Hoare triple {976#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,648 INFO L290 TraceCheckUtils]: 6: Hoare triple {976#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,655 INFO L290 TraceCheckUtils]: 7: Hoare triple {976#(= ~pumpRunning~0 0)} assume !false; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,656 INFO L290 TraceCheckUtils]: 8: Hoare triple {976#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,656 INFO L290 TraceCheckUtils]: 9: Hoare triple {976#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet14#1 && test_#t~nondet14#1 <= 2147483647;test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,657 INFO L290 TraceCheckUtils]: 10: Hoare triple {976#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~1#1); {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,657 INFO L290 TraceCheckUtils]: 11: Hoare triple {976#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet15#1 && test_#t~nondet15#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,658 INFO L290 TraceCheckUtils]: 12: Hoare triple {976#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,658 INFO L290 TraceCheckUtils]: 13: Hoare triple {976#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet16#1 && test_#t~nondet16#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,661 INFO L290 TraceCheckUtils]: 14: Hoare triple {976#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,662 INFO L290 TraceCheckUtils]: 15: Hoare triple {976#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,665 INFO L272 TraceCheckUtils]: 16: Hoare triple {976#(= ~pumpRunning~0 0)} call timeShift(); {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,665 INFO L290 TraceCheckUtils]: 17: Hoare triple {976#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,666 INFO L290 TraceCheckUtils]: 18: Hoare triple {976#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,666 INFO L290 TraceCheckUtils]: 19: Hoare triple {976#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,667 INFO L290 TraceCheckUtils]: 20: Hoare triple {976#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,667 INFO L272 TraceCheckUtils]: 21: Hoare triple {976#(= ~pumpRunning~0 0)} call __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical(); {974#true} is VALID [2022-02-20 18:05:31,667 INFO L290 TraceCheckUtils]: 22: Hoare triple {974#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {974#true} is VALID [2022-02-20 18:05:31,671 INFO L290 TraceCheckUtils]: 23: Hoare triple {974#true} assume true; {974#true} is VALID [2022-02-20 18:05:31,672 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {974#true} {976#(= ~pumpRunning~0 0)} #166#return; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,672 INFO L290 TraceCheckUtils]: 25: Hoare triple {976#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret18#1 && __utac_acc__Specification1_spec__1_#t~ret18#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; {976#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:31,673 INFO L290 TraceCheckUtils]: 26: Hoare triple {976#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {980#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:05:31,674 INFO L290 TraceCheckUtils]: 27: Hoare triple {980#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification1_spec__1_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret19#1 && __utac_acc__Specification1_spec__1_#t~ret19#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret19#1;havoc __utac_acc__Specification1_spec__1_#t~ret19#1; {981#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:05:31,675 INFO L290 TraceCheckUtils]: 28: Hoare triple {981#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {975#false} is VALID [2022-02-20 18:05:31,675 INFO L290 TraceCheckUtils]: 29: Hoare triple {975#false} assume !false; {975#false} is VALID [2022-02-20 18:05:31,675 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 18:05:31,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:31,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655482776] [2022-02-20 18:05:31,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655482776] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:31,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:31,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:05:31,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112725753] [2022-02-20 18:05:31,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:31,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:05:31,677 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:31,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:31,704 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:31,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:05:31,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:31,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:05:31,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:05:31,706 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,807 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2022-02-20 18:05:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:05:31,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:05:31,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:31,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2022-02-20 18:05:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2022-02-20 18:05:31,815 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 101 transitions. [2022-02-20 18:05:31,897 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:31,898 INFO L225 Difference]: With dead ends: 82 [2022-02-20 18:05:31,898 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:05:31,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 18:05:31,909 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:31,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 136 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:31,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:05:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:05:31,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:31,913 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 18:05:31,913 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 18:05:31,913 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 18:05:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,914 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:31,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,914 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:31,914 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 18:05:31,914 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 18:05:31,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:31,915 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:31,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:31,915 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:31,915 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:31,916 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 18:05:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:05:31,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-02-20 18:05:31,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:31,917 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:05:31,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:31,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:31,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:05:31,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:05:31,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:05:32,073 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 433 444) the Hoare annotation is: true [2022-02-20 18:05:32,073 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2022-02-20 18:05:32,073 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2022-02-20 18:05:32,073 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2022-02-20 18:05:32,074 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2022-02-20 18:05:32,074 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2022-02-20 18:05:32,074 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2022-02-20 18:05:32,074 INFO L861 garLoopResultBuilder]: At program point L353-1(lines 345 369) the Hoare annotation is: true [2022-02-20 18:05:32,074 INFO L861 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: true [2022-02-20 18:05:32,074 INFO L858 garLoopResultBuilder]: For program point L351-1(line 351) no Hoare annotation was computed. [2022-02-20 18:05:32,074 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2022-02-20 18:05:32,075 INFO L854 garLoopResultBuilder]: At program point L413-2(lines 409 420) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-02-20 18:05:32,075 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2022-02-20 18:05:32,075 INFO L854 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-02-20 18:05:32,075 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 165 188) no Hoare annotation was computed. [2022-02-20 18:05:32,075 INFO L854 garLoopResultBuilder]: At program point L228(lines 223 231) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0) (= 0 ~systemActive~0)) [2022-02-20 18:05:32,075 INFO L861 garLoopResultBuilder]: At program point L193(lines 189 195) the Hoare annotation is: true [2022-02-20 18:05:32,076 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 165 188) the Hoare annotation is: true [2022-02-20 18:05:32,076 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-02-20 18:05:32,076 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 165 188) no Hoare annotation was computed. [2022-02-20 18:05:32,076 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2022-02-20 18:05:32,076 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 168 187) no Hoare annotation was computed. [2022-02-20 18:05:32,076 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-02-20 18:05:32,077 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-02-20 18:05:32,077 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-02-20 18:05:32,077 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-02-20 18:05:32,077 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-02-20 18:05:32,077 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-02-20 18:05:32,077 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-02-20 18:05:32,077 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-02-20 18:05:32,077 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-02-20 18:05:32,078 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-02-20 18:05:32,078 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-02-20 18:05:32,078 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2022-02-20 18:05:32,078 INFO L854 garLoopResultBuilder]: At program point L325-2(lines 317 330) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,078 INFO L858 garLoopResultBuilder]: For program point L288(lines 287 334) no Hoare annotation was computed. [2022-02-20 18:05:32,078 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:05:32,079 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:05:32,079 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 330) no Hoare annotation was computed. [2022-02-20 18:05:32,079 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:05:32,079 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,079 INFO L861 garLoopResultBuilder]: At program point L338(lines 277 342) the Hoare annotation is: true [2022-02-20 18:05:32,079 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-02-20 18:05:32,079 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-02-20 18:05:32,080 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2022-02-20 18:05:32,080 INFO L858 garLoopResultBuilder]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2022-02-20 18:05:32,080 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 293) no Hoare annotation was computed. [2022-02-20 18:05:32,080 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:05:32,080 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-02-20 18:05:32,080 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-02-20 18:05:32,080 INFO L854 garLoopResultBuilder]: At program point L401(lines 396 404) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,081 INFO L854 garLoopResultBuilder]: At program point L273(lines 268 275) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,081 INFO L854 garLoopResultBuilder]: At program point L335(lines 286 336) the Hoare annotation is: false [2022-02-20 18:05:32,081 INFO L854 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,081 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2022-02-20 18:05:32,081 INFO L858 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2022-02-20 18:05:32,081 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,082 INFO L854 garLoopResultBuilder]: At program point L332(lines 287 334) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,082 INFO L854 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,082 INFO L854 garLoopResultBuilder]: At program point L386(lines 382 388) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:05:32,082 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2022-02-20 18:05:32,082 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2022-02-20 18:05:32,082 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 421 432) the Hoare annotation is: true [2022-02-20 18:05:32,085 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:05:32,087 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: L437-1 has no Hoare annotation [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: L437-1 has no Hoare annotation [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:05:32,090 WARN L170 areAnnotationChecker]: L425-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L425-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L437-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:05:32,091 WARN L170 areAnnotationChecker]: L425-1 has no Hoare annotation [2022-02-20 18:05:32,092 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:05:32,092 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:05:32,092 WARN L170 areAnnotationChecker]: L169-1 has no Hoare annotation [2022-02-20 18:05:32,092 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 18:05:32,092 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2022-02-20 18:05:32,092 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2022-02-20 18:05:32,093 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:05:32,093 WARN L170 areAnnotationChecker]: L307-1 has no Hoare annotation [2022-02-20 18:05:32,093 WARN L170 areAnnotationChecker]: L351-1 has no Hoare annotation [2022-02-20 18:05:32,093 WARN L170 areAnnotationChecker]: L351-1 has no Hoare annotation [2022-02-20 18:05:32,093 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: L297-1 has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: L317 has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: L317 has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:32,094 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2022-02-20 18:05:32,095 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 18:05:32,095 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2022-02-20 18:05:32,095 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2022-02-20 18:05:32,096 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2022-02-20 18:05:32,096 WARN L170 areAnnotationChecker]: L325 has no Hoare annotation [2022-02-20 18:05:32,096 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2022-02-20 18:05:32,096 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:32,096 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L307-1 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L357 has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:32,097 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2022-02-20 18:05:32,098 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: L491 has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: L491 has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2022-02-20 18:05:32,099 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2022-02-20 18:05:32,100 WARN L170 areAnnotationChecker]: L297-1 has no Hoare annotation [2022-02-20 18:05:32,100 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:05:32,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:05:32 BoogieIcfgContainer [2022-02-20 18:05:32,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:05:32,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:05:32,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:05:32,113 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:05:32,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:30" (3/4) ... [2022-02-20 18:05:32,120 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:05:32,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:05:32,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:05:32,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:05:32,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:05:32,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:05:32,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-02-20 18:05:32,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:05:32,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:05:32,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:05:32,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:05:32,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:32,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:32,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-02-20 18:05:32,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:05:32,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-02-20 18:05:32,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-02-20 18:05:32,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || \result == 0) || 0 == systemActive [2022-02-20 18:05:32,171 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:05:32,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:05:32,172 INFO L158 Benchmark]: Toolchain (without parser) took 3299.22ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 52.6MB in the beginning and 80.8MB in the end (delta: -28.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-02-20 18:05:32,172 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:32,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.85ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.4MB in the beginning and 71.7MB in the end (delta: -19.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-02-20 18:05:32,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.25ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 69.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:05:32,173 INFO L158 Benchmark]: Boogie Preprocessor took 39.05ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:32,173 INFO L158 Benchmark]: RCFGBuilder took 495.83ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 76.0MB in the end (delta: -8.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-20 18:05:32,174 INFO L158 Benchmark]: TraceAbstraction took 2090.18ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 75.5MB in the beginning and 85.0MB in the end (delta: -9.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-02-20 18:05:32,174 INFO L158 Benchmark]: Witness Printer took 58.57ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 80.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:05:32,175 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 0.21ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.85ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.4MB in the beginning and 71.7MB in the end (delta: -19.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.25ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 69.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.05ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 67.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.83ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 76.0MB in the end (delta: -8.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2090.18ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 75.5MB in the beginning and 85.0MB in the end (delta: -9.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 58.57ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 80.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 63 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, 128 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 415 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 225 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 28 LocationsWithAnnotation, 92 PreInvPairs, 106 NumberOfFragments, 169 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 127 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 172 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: 389]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || \result == 0) || 0 == systemActive - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:05:32,213 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