./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec5_product19.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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:25:45,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:25:45,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:25:45,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:25:45,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:25:45,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:25:45,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:25:45,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:25:45,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:25:45,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:25:45,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:25:45,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:25:45,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:25:45,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:25:45,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:25:45,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:25:45,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:25:45,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:25:45,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:25:45,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:25:45,287 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:25:45,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:25:45,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:25:45,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:25:45,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:25:45,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:25:45,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:25:45,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:25:45,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:25:45,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:25:45,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:25:45,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:25:45,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:25:45,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:25:45,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:25:45,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:25:45,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:25:45,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:25:45,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:25:45,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:25:45,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:25:45,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:25:45,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:25:45,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:25:45,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:25:45,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:25:45,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:25:45,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:25:45,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:25:45,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:25:45,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:25:45,331 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:25:45,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:25:45,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:25:45,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:25:45,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:25:45,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:25:45,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:25:45,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:25:45,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:25:45,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:25:45,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:25:45,334 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:25:45,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:25:45,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:25:45,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:25:45,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:25:45,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:25:45,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:25:45,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:25:45,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:25:45,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:25:45,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:25:45,336 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:25:45,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:25:45,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:25:45,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2022-07-19 17:25:45,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:25:45,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:25:45,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:25:45,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:25:45,567 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:25:45,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2022-07-19 17:25:45,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81478f614/115eb902438a41b3be3bc715b740fcf6/FLAGf2d186b51 [2022-07-19 17:25:45,970 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:25:45,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2022-07-19 17:25:45,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81478f614/115eb902438a41b3be3bc715b740fcf6/FLAGf2d186b51 [2022-07-19 17:25:46,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81478f614/115eb902438a41b3be3bc715b740fcf6 [2022-07-19 17:25:46,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:25:46,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:25:46,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:25:46,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:25:46,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:25:46,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283efd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46, skipping insertion in model container [2022-07-19 17:25:46,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:25:46,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:25:46,534 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_spec5_product19.cil.c[4965,4978] [2022-07-19 17:25:46,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:25:46,618 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:25:46,648 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_spec5_product19.cil.c[4965,4978] [2022-07-19 17:25:46,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:25:46,705 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:25:46,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46 WrapperNode [2022-07-19 17:25:46,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:25:46,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:25:46,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:25:46,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:25:46,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,757 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 227 [2022-07-19 17:25:46,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:25:46,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:25:46,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:25:46,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:25:46,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:25:46,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:25:46,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:25:46,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:25:46,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (1/1) ... [2022-07-19 17:25:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:25:46,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:25:46,824 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) [2022-07-19 17:25:46,830 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 [2022-07-19 17:25:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:25:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:25:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:25:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:25:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:25:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:25:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:25:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-19 17:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-19 17:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:25:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:25:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:25:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:25:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:25:46,903 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:25:46,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:25:47,144 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:25:47,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:25:47,160 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:25:47,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:47 BoogieIcfgContainer [2022-07-19 17:25:47,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:25:47,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:25:47,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:25:47,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:25:47,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:25:46" (1/3) ... [2022-07-19 17:25:47,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29cd5eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:25:47, skipping insertion in model container [2022-07-19 17:25:47,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:46" (2/3) ... [2022-07-19 17:25:47,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29cd5eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:25:47, skipping insertion in model container [2022-07-19 17:25:47,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:47" (3/3) ... [2022-07-19 17:25:47,168 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2022-07-19 17:25:47,193 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:25:47,193 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:25:47,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:25:47,246 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@713f7166, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5913da56 [2022-07-19 17:25:47,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:25:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-19 17:25:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 17:25:47,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:47,270 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-07-19 17:25:47,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:47,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:47,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2141742275, now seen corresponding path program 1 times [2022-07-19 17:25:47,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:47,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760310520] [2022-07-19 17:25:47,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:47,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:25:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:25:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:47,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:47,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760310520] [2022-07-19 17:25:47,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760310520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:47,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:47,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:25:47,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771441584] [2022-07-19 17:25:47,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:47,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:25:47,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:47,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:25:47,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:25:47,526 INFO L87 Difference]: Start difference. First operand has 86 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 72 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:47,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:47,560 INFO L93 Difference]: Finished difference Result 163 states and 220 transitions. [2022-07-19 17:25:47,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:25:47,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-19 17:25:47,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:47,571 INFO L225 Difference]: With dead ends: 163 [2022-07-19 17:25:47,571 INFO L226 Difference]: Without dead ends: 77 [2022-07-19 17:25:47,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:25:47,577 INFO L413 NwaCegarLoop]: 107 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, 107 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 [2022-07-19 17:25:47,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-19 17:25:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-19 17:25:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.293103448275862) internal successors, (75), 64 states have internal predecessors, (75), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:25:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-07-19 17:25:47,628 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 32 [2022-07-19 17:25:47,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:47,629 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-07-19 17:25:47,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-07-19 17:25:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 17:25:47,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:47,633 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-07-19 17:25:47,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:25:47,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:47,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:47,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1629755043, now seen corresponding path program 1 times [2022-07-19 17:25:47,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:47,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416971087] [2022-07-19 17:25:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:25:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:25:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:47,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:47,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416971087] [2022-07-19 17:25:47,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416971087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:47,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:47,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:25:47,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591819319] [2022-07-19 17:25:47,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:47,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:25:47,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:47,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:25:47,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:47,745 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:47,770 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2022-07-19 17:25:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:25:47,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-19 17:25:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:47,774 INFO L225 Difference]: With dead ends: 115 [2022-07-19 17:25:47,774 INFO L226 Difference]: Without dead ends: 68 [2022-07-19 17:25:47,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:47,776 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 149 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 [2022-07-19 17:25:47,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:47,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-07-19 17:25:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-07-19 17:25:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-19 17:25:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2022-07-19 17:25:47,787 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 33 [2022-07-19 17:25:47,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:47,787 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-07-19 17:25:47,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:25:47,788 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-07-19 17:25:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-19 17:25:47,788 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:47,789 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:47,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:25:47,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:47,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:47,791 INFO L85 PathProgramCache]: Analyzing trace with hash 464192103, now seen corresponding path program 1 times [2022-07-19 17:25:47,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:47,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135025658] [2022-07-19 17:25:47,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:47,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:25:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 17:25:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:25:47,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:47,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135025658] [2022-07-19 17:25:47,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135025658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:47,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:47,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:25:47,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152909791] [2022-07-19 17:25:47,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:47,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:25:47,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:47,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:25:47,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:25:47,895 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:25:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:48,009 INFO L93 Difference]: Finished difference Result 234 states and 304 transitions. [2022-07-19 17:25:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:25:48,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-07-19 17:25:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:48,016 INFO L225 Difference]: With dead ends: 234 [2022-07-19 17:25:48,016 INFO L226 Difference]: Without dead ends: 174 [2022-07-19 17:25:48,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:25:48,019 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 217 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:48,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 408 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:25:48,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-07-19 17:25:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 168. [2022-07-19 17:25:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 126 states have (on average 1.3412698412698412) internal successors, (169), 140 states have internal predecessors, (169), 24 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (25), 18 states have call predecessors, (25), 24 states have call successors, (25) [2022-07-19 17:25:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 218 transitions. [2022-07-19 17:25:48,055 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 218 transitions. Word has length 37 [2022-07-19 17:25:48,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:48,055 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 218 transitions. [2022-07-19 17:25:48,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:25:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2022-07-19 17:25:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-19 17:25:48,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:48,057 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:48,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:25:48,060 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash 928611800, now seen corresponding path program 1 times [2022-07-19 17:25:48,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:48,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375994815] [2022-07-19 17:25:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:25:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 17:25:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 17:25:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:25:48,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:48,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375994815] [2022-07-19 17:25:48,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375994815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:48,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:48,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:25:48,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509590630] [2022-07-19 17:25:48,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:48,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:25:48,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:48,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:25:48,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:25:48,150 INFO L87 Difference]: Start difference. First operand 168 states and 218 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:25:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:48,204 INFO L93 Difference]: Finished difference Result 300 states and 392 transitions. [2022-07-19 17:25:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:25:48,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-07-19 17:25:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:48,205 INFO L225 Difference]: With dead ends: 300 [2022-07-19 17:25:48,206 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:25:48,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:25:48,210 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 33 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:48,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 212 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:25:48,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:25:48,211 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) [2022-07-19 17:25:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:25:48,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-07-19 17:25:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:48,212 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:25:48,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:25:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:25:48,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:25:48,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:25:48,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:25:48,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:25:48,563 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 203 210) the Hoare annotation is: true [2022-07-19 17:25:48,563 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2022-07-19 17:25:48,564 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 203 210) no Hoare annotation was computed. [2022-07-19 17:25:48,564 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2022-07-19 17:25:48,579 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2022-07-19 17:25:48,579 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 704 715) the Hoare annotation is: true [2022-07-19 17:25:48,580 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 704 715) no Hoare annotation was computed. [2022-07-19 17:25:48,580 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 704 715) no Hoare annotation was computed. [2022-07-19 17:25:48,580 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 855 884) no Hoare annotation was computed. [2022-07-19 17:25:48,580 INFO L902 garLoopResultBuilder]: At program point L865-2(lines 865 879) the Hoare annotation is: true [2022-07-19 17:25:48,580 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-07-19 17:25:48,580 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 855 884) the Hoare annotation is: true [2022-07-19 17:25:48,580 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-07-19 17:25:48,581 INFO L902 garLoopResultBuilder]: At program point L880(lines 855 884) the Hoare annotation is: true [2022-07-19 17:25:48,581 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2022-07-19 17:25:48,581 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2022-07-19 17:25:48,581 INFO L902 garLoopResultBuilder]: At program point L869-1(lines 869 873) the Hoare annotation is: true [2022-07-19 17:25:48,581 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2022-07-19 17:25:48,581 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 849) no Hoare annotation was computed. [2022-07-19 17:25:48,582 INFO L895 garLoopResultBuilder]: At program point L832-1(lines 824 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:25:48,582 INFO L895 garLoopResultBuilder]: At program point L762(lines 757 765) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:25:48,582 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:25:48,582 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:25:48,582 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 688) no Hoare annotation was computed. [2022-07-19 17:25:48,582 INFO L895 garLoopResultBuilder]: At program point L684-2(lines 680 691) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:25:48,582 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 135 161) no Hoare annotation was computed. [2022-07-19 17:25:48,583 INFO L899 garLoopResultBuilder]: For program point L837(lines 837 843) no Hoare annotation was computed. [2022-07-19 17:25:48,583 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-19 17:25:48,583 INFO L895 garLoopResultBuilder]: At program point L189-1(lines 170 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-19 17:25:48,583 INFO L895 garLoopResultBuilder]: At program point L821(lines 814 823) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:25:48,583 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2022-07-19 17:25:48,583 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2022-07-19 17:25:48,584 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:25:48,584 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2022-07-19 17:25:48,584 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2022-07-19 17:25:48,584 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2022-07-19 17:25:48,584 INFO L899 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2022-07-19 17:25:48,584 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2022-07-19 17:25:48,584 INFO L895 garLoopResultBuilder]: At program point L282(lines 267 285) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:25:48,585 INFO L895 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:25:48,585 INFO L895 garLoopResultBuilder]: At program point L307(lines 302 309) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:25:48,585 INFO L899 garLoopResultBuilder]: For program point L819-1(line 819) no Hoare annotation was computed. [2022-07-19 17:25:48,585 INFO L895 garLoopResultBuilder]: At program point L753(lines 748 756) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:25:48,585 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 135 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:25:48,585 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2022-07-19 17:25:48,586 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 138 160) no Hoare annotation was computed. [2022-07-19 17:25:48,586 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 161) no Hoare annotation was computed. [2022-07-19 17:25:48,586 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2022-07-19 17:25:48,586 INFO L899 garLoopResultBuilder]: For program point L836(lines 836 846) no Hoare annotation was computed. [2022-07-19 17:25:48,586 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-19 17:25:48,586 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-07-19 17:25:48,587 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:48,587 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:48,587 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: false [2022-07-19 17:25:48,587 INFO L895 garLoopResultBuilder]: At program point L800(lines 795 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-19 17:25:48,587 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:25:48,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:25:48,587 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:25:48,588 INFO L902 garLoopResultBuilder]: At program point L924(lines 916 926) the Hoare annotation is: true [2022-07-19 17:25:48,588 INFO L895 garLoopResultBuilder]: At program point L792(lines 788 794) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:25:48,588 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 944) no Hoare annotation was computed. [2022-07-19 17:25:48,588 INFO L899 garLoopResultBuilder]: For program point L937-2(lines 937 944) no Hoare annotation was computed. [2022-07-19 17:25:48,588 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-07-19 17:25:48,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:25:48,589 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-07-19 17:25:48,589 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:48,589 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-07-19 17:25:48,589 INFO L902 garLoopResultBuilder]: At program point L946(lines 927 949) the Hoare annotation is: true [2022-07-19 17:25:48,589 INFO L895 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:25:48,589 INFO L895 garLoopResultBuilder]: At program point L913(lines 909 915) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-19 17:25:48,589 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-07-19 17:25:48,590 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-07-19 17:25:48,590 INFO L895 garLoopResultBuilder]: At program point L298(lines 286 300) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:48,590 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-07-19 17:25:48,590 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2022-07-19 17:25:48,590 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2022-07-19 17:25:48,590 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-07-19 17:25:48,591 INFO L895 garLoopResultBuilder]: At program point L811(lines 806 813) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-19 17:25:48,591 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2022-07-19 17:25:48,591 INFO L895 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:48,591 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 692 703) no Hoare annotation was computed. [2022-07-19 17:25:48,591 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 692 703) no Hoare annotation was computed. [2022-07-19 17:25:48,591 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 692 703) the Hoare annotation is: true [2022-07-19 17:25:48,591 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2022-07-19 17:25:48,592 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 222 230) the Hoare annotation is: true [2022-07-19 17:25:48,592 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 222 230) no Hoare annotation was computed. [2022-07-19 17:25:48,597 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-19 17:25:48,599 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:25:48,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:25:48 BoogieIcfgContainer [2022-07-19 17:25:48,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:25:48,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:25:48,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:25:48,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:25:48,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:47" (3/4) ... [2022-07-19 17:25:48,617 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:25:48,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:25:48,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:25:48,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:25:48,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:25:48,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:25:48,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:25:48,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-19 17:25:48,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-07-19 17:25:48,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:25:48,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:25:48,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:25:48,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:25:48,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:25:48,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:25:48,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-07-19 17:25:48,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-19 17:25:48,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-19 17:25:48,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-19 17:25:48,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:25:48,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-19 17:25:48,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-19 17:25:48,660 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:25:48,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-19 17:25:48,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:25:48,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:25:48,676 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:25:48,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:25:48,679 INFO L158 Benchmark]: Toolchain (without parser) took 2337.23ms. Allocated memory was 109.1MB in the beginning and 190.8MB in the end (delta: 81.8MB). Free memory was 82.4MB in the beginning and 93.1MB in the end (delta: -10.7MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,680 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:25:48,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.13ms. Allocated memory was 109.1MB in the beginning and 190.8MB in the end (delta: 81.8MB). Free memory was 82.4MB in the beginning and 157.9MB in the end (delta: -75.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.55ms. Allocated memory is still 190.8MB. Free memory was 157.9MB in the beginning and 155.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,681 INFO L158 Benchmark]: Boogie Preprocessor took 41.50ms. Allocated memory is still 190.8MB. Free memory was 155.4MB in the beginning and 154.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,681 INFO L158 Benchmark]: RCFGBuilder took 361.98ms. Allocated memory is still 190.8MB. Free memory was 154.1MB in the beginning and 138.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,681 INFO L158 Benchmark]: TraceAbstraction took 1447.19ms. Allocated memory is still 190.8MB. Free memory was 137.7MB in the beginning and 98.1MB in the end (delta: 39.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,682 INFO L158 Benchmark]: Witness Printer took 67.62ms. Allocated memory is still 190.8MB. Free memory was 98.1MB in the beginning and 93.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:25:48,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.13ms. Allocated memory was 109.1MB in the beginning and 190.8MB in the end (delta: 81.8MB). Free memory was 82.4MB in the beginning and 157.9MB in the end (delta: -75.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.55ms. Allocated memory is still 190.8MB. Free memory was 157.9MB in the beginning and 155.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.50ms. Allocated memory is still 190.8MB. Free memory was 155.4MB in the beginning and 154.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.98ms. Allocated memory is still 190.8MB. Free memory was 154.1MB in the beginning and 138.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1447.19ms. Allocated memory is still 190.8MB. Free memory was 137.7MB in the beginning and 98.1MB in the end (delta: 39.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Witness Printer took 67.62ms. Allocated memory is still 190.8MB. Free memory was 98.1MB in the beginning and 93.1MB in the end (delta: 5.0MB). 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: 306]: 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 8 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 518 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 358 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 249 PreInvPairs, 288 NumberOfFragments, 198 HoareAnnotationTreeSize, 249 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 633 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 909]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-07-19 17:25:48,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE