./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_product23.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 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:09:32,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:09:32,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:09:32,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:09:32,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:09:32,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:09:32,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:09:32,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:09:32,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:09:32,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:09:32,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:09:32,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:09:32,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:09:32,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:09:32,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:09:32,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:09:32,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:09:32,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:09:32,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:09:32,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:09:32,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:09:32,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:09:32,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:09:32,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:09:32,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:09:32,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:09:32,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:09:32,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:09:32,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:09:32,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:09:32,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:09:32,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:09:32,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:09:32,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:09:32,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:09:32,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:09:32,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:09:32,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:09:32,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:09:32,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:09:32,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:09:32,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:09:32,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:09:32,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:09:32,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:09:32,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:09:32,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:09:32,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:09:32,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:09:32,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:09:32,435 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:09:32,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:09:32,436 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:09:32,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:09:32,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:09:32,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:09:32,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:09:32,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:09:32,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:09:32,437 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:09:32,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:09:32,438 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:09:32,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:09:32,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:09:32,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:09:32,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:09:32,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:32,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:09:32,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:09:32,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:09:32,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:09:32,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:09:32,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:09:32,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:09:32,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:09:32,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:09:32,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 [2021-12-17 15:09:32,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:09:32,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:09:32,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:09:32,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:09:32,684 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:09:32,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2021-12-17 15:09:32,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377ede90d/d0a1d22057f44fbea26b147cff91fac1/FLAG75936ab12 [2021-12-17 15:09:33,152 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:09:33,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2021-12-17 15:09:33,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377ede90d/d0a1d22057f44fbea26b147cff91fac1/FLAG75936ab12 [2021-12-17 15:09:33,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377ede90d/d0a1d22057f44fbea26b147cff91fac1 [2021-12-17 15:09:33,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:09:33,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:09:33,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:33,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:09:33,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:09:33,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2447f803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33, skipping insertion in model container [2021-12-17 15:09:33,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:09:33,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:09:33,402 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_product23.cil.c[11292,11305] [2021-12-17 15:09:33,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:33,474 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:09:33,522 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_product23.cil.c[11292,11305] [2021-12-17 15:09:33,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:09:33,557 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:09:33,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33 WrapperNode [2021-12-17 15:09:33,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:09:33,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:33,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:09:33,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:09:33,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,616 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2021-12-17 15:09:33,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:09:33,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:09:33,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:09:33,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:09:33,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:09:33,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:09:33,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:09:33,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:09:33,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (1/1) ... [2021-12-17 15:09:33,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:09:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:09:33,709 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) [2021-12-17 15:09:33,724 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 [2021-12-17 15:09:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:09:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:09:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:09:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:09:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:09:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:09:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:09:33,754 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:09:33,754 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:09:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-17 15:09:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-12-17 15:09:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-17 15:09:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-17 15:09:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:09:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:09:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:09:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:09:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:09:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:09:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:09:33,844 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:09:33,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:09:34,084 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:09:34,097 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:09:34,097 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:09:34,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:34 BoogieIcfgContainer [2021-12-17 15:09:34,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:09:34,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:09:34,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:09:34,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:09:34,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:09:33" (1/3) ... [2021-12-17 15:09:34,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aebf909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:34, skipping insertion in model container [2021-12-17 15:09:34,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:09:33" (2/3) ... [2021-12-17 15:09:34,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aebf909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:09:34, skipping insertion in model container [2021-12-17 15:09:34,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:34" (3/3) ... [2021-12-17 15:09:34,121 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2021-12-17 15:09:34,126 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:09:34,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:09:34,170 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:09:34,178 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 [2021-12-17 15:09:34,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:09:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-17 15:09:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 15:09:34,206 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:34,207 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:09:34,207 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:34,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:34,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1547746013, now seen corresponding path program 1 times [2021-12-17 15:09:34,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:34,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310550474] [2021-12-17 15:09:34,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:34,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:09:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:09:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:34,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:34,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310550474] [2021-12-17 15:09:34,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310550474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:34,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:34,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:09:34,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116392568] [2021-12-17 15:09:34,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:34,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:09:34,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:09:34,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:09:34,523 INFO L87 Difference]: Start difference. First operand has 96 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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) [2021-12-17 15:09:34,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:34,572 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2021-12-17 15:09:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:09:34,574 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 [2021-12-17 15:09:34,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:34,583 INFO L225 Difference]: With dead ends: 183 [2021-12-17 15:09:34,584 INFO L226 Difference]: Without dead ends: 87 [2021-12-17 15:09:34,588 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:09:34,591 INFO L933 BasicCegarLoop]: 121 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, 121 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 [2021-12-17 15:09:34,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:34,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-17 15:09:34,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-17 15:09:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.296875) internal successors, (83), 72 states have internal predecessors, (83), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-17 15:09:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2021-12-17 15:09:34,642 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2021-12-17 15:09:34,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:34,643 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2021-12-17 15:09:34,643 INFO L471 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) [2021-12-17 15:09:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2021-12-17 15:09:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 15:09:34,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:34,651 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:09:34,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:09:34,653 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:34,654 INFO L85 PathProgramCache]: Analyzing trace with hash 74774986, now seen corresponding path program 1 times [2021-12-17 15:09:34,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:34,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046232410] [2021-12-17 15:09:34,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:34,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:09:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:09:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:34,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:34,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046232410] [2021-12-17 15:09:34,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046232410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:34,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:34,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:34,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566563771] [2021-12-17 15:09:34,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:34,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:34,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:34,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:34,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:34,760 INFO L87 Difference]: Start difference. First operand 87 states and 112 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) [2021-12-17 15:09:34,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:34,777 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2021-12-17 15:09:34,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:34,779 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 [2021-12-17 15:09:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:34,782 INFO L225 Difference]: With dead ends: 135 [2021-12-17 15:09:34,783 INFO L226 Difference]: Without dead ends: 78 [2021-12-17 15:09:34,789 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:09:34,792 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 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 [2021-12-17 15:09:34,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:34,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-17 15:09:34,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-17 15:09:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-17 15:09:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-12-17 15:09:34,806 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 33 [2021-12-17 15:09:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:34,807 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-12-17 15:09:34,808 INFO L471 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) [2021-12-17 15:09:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-12-17 15:09:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-17 15:09:34,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:34,811 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:09:34,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:09:34,811 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:34,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:34,812 INFO L85 PathProgramCache]: Analyzing trace with hash -862494468, now seen corresponding path program 1 times [2021-12-17 15:09:34,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:34,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972301958] [2021-12-17 15:09:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:34,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:09:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:09:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:09:34,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:34,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972301958] [2021-12-17 15:09:34,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972301958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:34,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:34,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:09:34,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511682693] [2021-12-17 15:09:34,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:34,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:09:34,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:34,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:09:34,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:34,900 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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) [2021-12-17 15:09:34,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:34,947 INFO L93 Difference]: Finished difference Result 217 states and 284 transitions. [2021-12-17 15:09:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:09:34,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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 [2021-12-17 15:09:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:34,952 INFO L225 Difference]: With dead ends: 217 [2021-12-17 15:09:34,952 INFO L226 Difference]: Without dead ends: 147 [2021-12-17 15:09:34,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:09:34,954 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 75 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:34,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 213 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:09:34,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-12-17 15:09:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2021-12-17 15:09:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 120 states have internal predecessors, (140), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2021-12-17 15:09:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 188 transitions. [2021-12-17 15:09:34,973 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 188 transitions. Word has length 37 [2021-12-17 15:09:34,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:34,974 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 188 transitions. [2021-12-17 15:09:34,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 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) [2021-12-17 15:09:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 188 transitions. [2021-12-17 15:09:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-17 15:09:34,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:09:34,976 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:09:34,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:09:34,976 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:09:34,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:09:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2078372082, now seen corresponding path program 1 times [2021-12-17 15:09:34,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:09:34,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052174298] [2021-12-17 15:09:34,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:09:34,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:09:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-17 15:09:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-17 15:09:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:09:35,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:09:35,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:09:35,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052174298] [2021-12-17 15:09:35,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052174298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:09:35,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:09:35,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:09:35,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374424547] [2021-12-17 15:09:35,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:09:35,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:09:35,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:09:35,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:09:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:09:35,096 INFO L87 Difference]: Start difference. First operand 144 states and 188 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:09:35,216 INFO L93 Difference]: Finished difference Result 246 states and 321 transitions. [2021-12-17 15:09:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:09:35,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-17 15:09:35,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:09:35,218 INFO L225 Difference]: With dead ends: 246 [2021-12-17 15:09:35,218 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:09:35,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:09:35,226 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 37 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:09:35,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 226 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:09:35,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:09:35,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:09:35,232 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) [2021-12-17 15:09:35,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:09:35,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-12-17 15:09:35,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:09:35,233 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:09:35,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:09:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:09:35,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:09:35,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:09:35,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:09:35,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:09:35,524 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 728 735) the Hoare annotation is: true [2021-12-17 15:09:35,525 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 728 735) no Hoare annotation was computed. [2021-12-17 15:09:35,525 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 728 735) no Hoare annotation was computed. [2021-12-17 15:09:35,525 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 661 667) no Hoare annotation was computed. [2021-12-17 15:09:35,525 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 661 667) the Hoare annotation is: true [2021-12-17 15:09:35,525 INFO L858 garLoopResultBuilder]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2021-12-17 15:09:35,526 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 458 469) the Hoare annotation is: true [2021-12-17 15:09:35,526 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2021-12-17 15:09:35,526 INFO L858 garLoopResultBuilder]: For program point L960(lines 960 970) no Hoare annotation was computed. [2021-12-17 15:09:35,526 INFO L858 garLoopResultBuilder]: For program point L956(lines 956 973) no Hoare annotation was computed. [2021-12-17 15:09:35,526 INFO L854 garLoopResultBuilder]: At program point L956-1(lines 948 976) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,527 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 634 660) no Hoare annotation was computed. [2021-12-17 15:09:35,527 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,527 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-12-17 15:09:35,527 INFO L854 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,527 INFO L858 garLoopResultBuilder]: For program point L961(lines 961 967) no Hoare annotation was computed. [2021-12-17 15:09:35,527 INFO L854 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,528 INFO L854 garLoopResultBuilder]: At program point L945(lines 938 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,528 INFO L854 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,528 INFO L854 garLoopResultBuilder]: At program point L714-1(lines 695 719) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,528 INFO L854 garLoopResultBuilder]: At program point L743(lines 736 746) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,528 INFO L858 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2021-12-17 15:09:35,529 INFO L854 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,529 INFO L854 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,529 INFO L858 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2021-12-17 15:09:35,529 INFO L854 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,529 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-12-17 15:09:35,529 INFO L854 garLoopResultBuilder]: At program point L438-2(lines 434 445) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,530 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2021-12-17 15:09:35,530 INFO L858 garLoopResultBuilder]: For program point L641-2(lines 637 659) no Hoare annotation was computed. [2021-12-17 15:09:35,530 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 711) no Hoare annotation was computed. [2021-12-17 15:09:35,530 INFO L858 garLoopResultBuilder]: For program point L699(lines 699 716) no Hoare annotation was computed. [2021-12-17 15:09:35,530 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 634 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,531 INFO L854 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,531 INFO L858 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2021-12-17 15:09:35,531 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 660) no Hoare annotation was computed. [2021-12-17 15:09:35,531 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-12-17 15:09:35,531 INFO L858 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-12-17 15:09:35,532 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 523 552) no Hoare annotation was computed. [2021-12-17 15:09:35,532 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 523 552) the Hoare annotation is: true [2021-12-17 15:09:35,532 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2021-12-17 15:09:35,532 INFO L861 garLoopResultBuilder]: At program point L537-1(lines 537 541) the Hoare annotation is: true [2021-12-17 15:09:35,532 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-12-17 15:09:35,532 INFO L861 garLoopResultBuilder]: At program point L533-2(lines 533 547) the Hoare annotation is: true [2021-12-17 15:09:35,533 INFO L861 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: true [2021-12-17 15:09:35,533 INFO L858 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2021-12-17 15:09:35,533 INFO L861 garLoopResultBuilder]: At program point L548(lines 523 552) the Hoare annotation is: true [2021-12-17 15:09:35,533 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-12-17 15:09:35,533 INFO L858 garLoopResultBuilder]: For program point L857-1(lines 857 863) no Hoare annotation was computed. [2021-12-17 15:09:35,533 INFO L854 garLoopResultBuilder]: At program point L882(lines 837 884) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,534 INFO L854 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,534 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:09:35,534 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:09:35,534 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:09:35,534 INFO L854 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,534 INFO L854 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,535 INFO L854 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: false [2021-12-17 15:09:35,535 INFO L854 garLoopResultBuilder]: At program point L582(lines 578 584) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,535 INFO L858 garLoopResultBuilder]: For program point L838(lines 837 884) no Hoare annotation was computed. [2021-12-17 15:09:35,535 INFO L858 garLoopResultBuilder]: For program point L611(lines 611 618) no Hoare annotation was computed. [2021-12-17 15:09:35,535 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 880) no Hoare annotation was computed. [2021-12-17 15:09:35,535 INFO L858 garLoopResultBuilder]: For program point L611-2(lines 611 618) no Hoare annotation was computed. [2021-12-17 15:09:35,536 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:09:35,536 INFO L854 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,536 INFO L861 garLoopResultBuilder]: At program point L888(lines 827 892) the Hoare annotation is: true [2021-12-17 15:09:35,536 INFO L861 garLoopResultBuilder]: At program point L595(lines 587 597) the Hoare annotation is: true [2021-12-17 15:09:35,536 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-12-17 15:09:35,536 INFO L858 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2021-12-17 15:09:35,537 INFO L854 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,537 INFO L861 garLoopResultBuilder]: At program point L620(lines 601 623) the Hoare annotation is: true [2021-12-17 15:09:35,537 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-12-17 15:09:35,537 INFO L854 garLoopResultBuilder]: At program point L823(lines 811 825) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,537 INFO L854 garLoopResultBuilder]: At program point L885(lines 836 886) the Hoare annotation is: false [2021-12-17 15:09:35,537 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2021-12-17 15:09:35,538 INFO L858 garLoopResultBuilder]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2021-12-17 15:09:35,538 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-12-17 15:09:35,538 INFO L854 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,538 INFO L854 garLoopResultBuilder]: At program point L873-2(lines 867 880) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,538 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2021-12-17 15:09:35,538 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2021-12-17 15:09:35,539 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 446 457) the Hoare annotation is: true [2021-12-17 15:09:35,539 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-12-17 15:09:35,539 INFO L858 garLoopResultBuilder]: For program point L801(lines 801 805) no Hoare annotation was computed. [2021-12-17 15:09:35,539 INFO L858 garLoopResultBuilder]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2021-12-17 15:09:35,539 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 669 693) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,539 INFO L854 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-12-17 15:09:35,540 INFO L858 garLoopResultBuilder]: For program point L688-1(lines 669 693) no Hoare annotation was computed. [2021-12-17 15:09:35,540 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 669 693) no Hoare annotation was computed. [2021-12-17 15:09:35,540 INFO L854 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,540 INFO L854 garLoopResultBuilder]: At program point L807(lines 792 810) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,540 INFO L854 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,540 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-12-17 15:09:35,541 INFO L854 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-17 15:09:35,541 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 747 755) no Hoare annotation was computed. [2021-12-17 15:09:35,541 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 747 755) the Hoare annotation is: true [2021-12-17 15:09:35,541 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 747 755) no Hoare annotation was computed. [2021-12-17 15:09:35,544 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-17 15:09:35,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:09:35,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:09:35 BoogieIcfgContainer [2021-12-17 15:09:35,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:09:35,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:09:35,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:09:35,559 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:09:35,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:09:34" (3/4) ... [2021-12-17 15:09:35,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:09:35,566 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:09:35,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:09:35,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:09:35,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:09:35,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:09:35,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:09:35,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-12-17 15:09:35,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-17 15:09:35,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-17 15:09:35,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:09:35,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:09:35,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:09:35,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:09:35,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:35,576 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:09:35,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:35,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:35,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:35,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:35,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:35,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-12-17 15:09:35,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:35,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:35,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:35,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-17 15:09:35,615 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:09:35,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:09:35,616 INFO L158 Benchmark]: Toolchain (without parser) took 2441.92ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 86.3MB in the beginning and 62.4MB in the end (delta: 23.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,616 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:09:35,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.98ms. Allocated memory is still 113.2MB. Free memory was 86.1MB in the beginning and 80.5MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.85ms. Allocated memory is still 113.2MB. Free memory was 80.5MB in the beginning and 78.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,617 INFO L158 Benchmark]: Boogie Preprocessor took 53.07ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,618 INFO L158 Benchmark]: RCFGBuilder took 437.63ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 89.2MB in the end (delta: -12.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,618 INFO L158 Benchmark]: TraceAbstraction took 1448.01ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 88.6MB in the beginning and 68.7MB in the end (delta: 19.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,618 INFO L158 Benchmark]: Witness Printer took 57.17ms. Allocated memory is still 138.4MB. Free memory was 68.7MB in the beginning and 62.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:09:35,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.98ms. Allocated memory is still 113.2MB. Free memory was 86.1MB in the beginning and 80.5MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.85ms. Allocated memory is still 113.2MB. Free memory was 80.5MB in the beginning and 78.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.07ms. Allocated memory is still 113.2MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.63ms. Allocated memory is still 113.2MB. Free memory was 76.4MB in the beginning and 89.2MB in the end (delta: -12.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1448.01ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 88.6MB in the beginning and 68.7MB in the end (delta: 19.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 57.17ms. Allocated memory is still 138.4MB. Free memory was 68.7MB in the beginning and 62.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: 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 9 procedures, 96 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 737 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 331 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 406 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 289 PreInvPairs, 314 NumberOfFragments, 205 HoareAnnotationTreeSize, 289 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 420 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 255 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: 511]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: systemActive == 1 && pumpRunning == 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:09:35,663 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