./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product03.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 e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:05:31,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:05:31,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:05:31,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:05:31,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:05:31,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:05:31,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:05:31,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:05:31,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:05:31,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:05:31,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:05:31,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:05:31,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:05:31,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:05:31,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:05:31,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:05:31,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:05:31,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:05:31,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:05:31,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:05:31,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:05:31,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:05:31,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:05:31,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:05:31,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:05:31,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:05:31,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:05:31,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:05:31,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:05:31,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:05:31,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:05:31,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:05:31,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:05:31,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:05:31,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:05:31,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:05:31,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:05:31,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:05:31,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:05:31,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:05:31,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:05:31,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:05:31,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:05:31,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:05:31,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:05:31,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:05:31,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:05:31,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:05:31,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:05:31,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:05:31,307 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:05:31,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:05:31,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:05:31,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:05:31,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:05:31,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:05:31,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:05:31,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:05:31,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:05:31,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:05:31,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:31,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:05:31,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:05:31,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:05:31,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:05:31,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:05:31,311 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:05:31,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:05:31,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:05:31,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f [2022-02-20 18:05:31,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:05:31,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:05:31,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:05:31,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:05:31,540 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:05:31,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2022-02-20 18:05:31,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1051996/666116ff0d084a369d06b8aa7f55058f/FLAG3bd744d49 [2022-02-20 18:05:31,911 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:05:31,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2022-02-20 18:05:31,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1051996/666116ff0d084a369d06b8aa7f55058f/FLAG3bd744d49 [2022-02-20 18:05:32,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b1051996/666116ff0d084a369d06b8aa7f55058f [2022-02-20 18:05:32,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:05:32,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:05:32,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:32,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:05:32,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:05:32,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5593e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32, skipping insertion in model container [2022-02-20 18:05:32,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:05:32,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:05:32,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2022-02-20 18:05:32,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:32,590 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:05:32,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c[6886,6899] [2022-02-20 18:05:32,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:32,651 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:05:32,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32 WrapperNode [2022-02-20 18:05:32,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:32,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:32,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:05:32,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:05:32,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,688 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 187 [2022-02-20 18:05:32,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:32,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:05:32,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:05:32,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:05:32,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:05:32,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:05:32,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:05:32,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:05:32,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (1/1) ... [2022-02-20 18:05:32,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:32,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:05:32,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:05:32,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:05:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:05:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:05:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:05:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:05:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:05:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:05:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:05:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:05:32,831 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:05:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:05:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:05:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:05:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:05:32,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:05:32,884 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:05:32,885 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:05:33,147 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:05:33,153 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:05:33,153 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:05:33,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:33 BoogieIcfgContainer [2022-02-20 18:05:33,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:05:33,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:05:33,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:05:33,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:05:33,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:05:32" (1/3) ... [2022-02-20 18:05:33,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e768c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:33, skipping insertion in model container [2022-02-20 18:05:33,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:32" (2/3) ... [2022-02-20 18:05:33,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e768c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:33, skipping insertion in model container [2022-02-20 18:05:33,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:33" (3/3) ... [2022-02-20 18:05:33,161 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2022-02-20 18:05:33,165 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:05:33,165 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:05:33,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:05:33,200 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:05:33,200 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:05:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:05:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 18:05:33,220 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:33,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:33,221 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:33,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:33,225 INFO L85 PathProgramCache]: Analyzing trace with hash 838225374, now seen corresponding path program 1 times [2022-02-20 18:05:33,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:33,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313944083] [2022-02-20 18:05:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:33,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:05:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:33,440 INFO L290 TraceCheckUtils]: 0: Hoare triple {69#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {69#true} is VALID [2022-02-20 18:05:33,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {69#true} assume true; {69#true} is VALID [2022-02-20 18:05:33,441 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {69#true} {70#false} #179#return; {70#false} is VALID [2022-02-20 18:05:33,442 INFO L290 TraceCheckUtils]: 0: Hoare triple {69#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {69#true} is VALID [2022-02-20 18:05:33,443 INFO L290 TraceCheckUtils]: 1: Hoare triple {69#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {69#true} is VALID [2022-02-20 18:05:33,443 INFO L290 TraceCheckUtils]: 2: Hoare triple {69#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {69#true} is VALID [2022-02-20 18:05:33,443 INFO L290 TraceCheckUtils]: 3: Hoare triple {69#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {69#true} is VALID [2022-02-20 18:05:33,444 INFO L290 TraceCheckUtils]: 4: Hoare triple {69#true} main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; {69#true} is VALID [2022-02-20 18:05:33,444 INFO L290 TraceCheckUtils]: 5: Hoare triple {69#true} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {69#true} is VALID [2022-02-20 18:05:33,444 INFO L290 TraceCheckUtils]: 6: Hoare triple {69#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {69#true} is VALID [2022-02-20 18:05:33,445 INFO L290 TraceCheckUtils]: 7: Hoare triple {69#true} assume false; {70#false} is VALID [2022-02-20 18:05:33,445 INFO L272 TraceCheckUtils]: 8: Hoare triple {70#false} call cleanup(); {70#false} is VALID [2022-02-20 18:05:33,445 INFO L290 TraceCheckUtils]: 9: Hoare triple {70#false} havoc ~i~0;havoc ~__cil_tmp2~0; {70#false} is VALID [2022-02-20 18:05:33,446 INFO L272 TraceCheckUtils]: 10: Hoare triple {70#false} call timeShift(); {70#false} is VALID [2022-02-20 18:05:33,446 INFO L290 TraceCheckUtils]: 11: Hoare triple {70#false} assume !(0 != ~pumpRunning~0); {70#false} is VALID [2022-02-20 18:05:33,446 INFO L290 TraceCheckUtils]: 12: Hoare triple {70#false} assume !(0 != ~systemActive~0); {70#false} is VALID [2022-02-20 18:05:33,446 INFO L290 TraceCheckUtils]: 13: Hoare triple {70#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {70#false} is VALID [2022-02-20 18:05:33,446 INFO L272 TraceCheckUtils]: 14: Hoare triple {70#false} call __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical(); {69#true} is VALID [2022-02-20 18:05:33,447 INFO L290 TraceCheckUtils]: 15: Hoare triple {69#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {69#true} is VALID [2022-02-20 18:05:33,447 INFO L290 TraceCheckUtils]: 16: Hoare triple {69#true} assume true; {69#true} is VALID [2022-02-20 18:05:33,447 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {69#true} {70#false} #179#return; {70#false} is VALID [2022-02-20 18:05:33,448 INFO L290 TraceCheckUtils]: 18: Hoare triple {70#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24#1 && __utac_acc__Specification1_spec__1_#t~ret24#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; {70#false} is VALID [2022-02-20 18:05:33,448 INFO L290 TraceCheckUtils]: 19: Hoare triple {70#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; {70#false} is VALID [2022-02-20 18:05:33,448 INFO L290 TraceCheckUtils]: 20: Hoare triple {70#false} __utac_acc__Specification1_spec__1_#t~ret25#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25#1 && __utac_acc__Specification1_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; {70#false} is VALID [2022-02-20 18:05:33,448 INFO L290 TraceCheckUtils]: 21: Hoare triple {70#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {70#false} is VALID [2022-02-20 18:05:33,449 INFO L290 TraceCheckUtils]: 22: Hoare triple {70#false} assume !false; {70#false} is VALID [2022-02-20 18:05:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:33,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:33,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313944083] [2022-02-20 18:05:33,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313944083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:33,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:33,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:05:33,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855269431] [2022-02-20 18:05:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:33,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-02-20 18:05:33,460 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:33,464 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,503 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:33,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:05:33,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:33,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:05:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:05:33,526 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:33,588 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2022-02-20 18:05:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:05:33,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-02-20 18:05:33,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2022-02-20 18:05:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2022-02-20 18:05:33,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 167 transitions. [2022-02-20 18:05:33,735 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:33,742 INFO L225 Difference]: With dead ends: 124 [2022-02-20 18:05:33,742 INFO L226 Difference]: Without dead ends: 57 [2022-02-20 18:05:33,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:05:33,747 INFO L933 BasicCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:33,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-02-20 18:05:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-02-20 18:05:33,770 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:33,771 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:33,772 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:33,773 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:33,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:33,777 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-02-20 18:05:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-02-20 18:05:33,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:33,778 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:33,778 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 57 states. [2022-02-20 18:05:33,779 INFO L87 Difference]: Start difference. First operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 57 states. [2022-02-20 18:05:33,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:33,782 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2022-02-20 18:05:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-02-20 18:05:33,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:33,783 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:33,783 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:33,783 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-02-20 18:05:33,787 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 23 [2022-02-20 18:05:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:33,788 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-02-20 18:05:33,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-02-20 18:05:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 18:05:33,789 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:33,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:33,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:05:33,790 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:33,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:33,791 INFO L85 PathProgramCache]: Analyzing trace with hash -785140368, now seen corresponding path program 1 times [2022-02-20 18:05:33,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:33,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104768861] [2022-02-20 18:05:33,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:33,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:05:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:33,845 INFO L290 TraceCheckUtils]: 0: Hoare triple {448#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {448#true} is VALID [2022-02-20 18:05:33,845 INFO L290 TraceCheckUtils]: 1: Hoare triple {448#true} assume true; {448#true} is VALID [2022-02-20 18:05:33,845 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {448#true} {449#false} #179#return; {449#false} is VALID [2022-02-20 18:05:33,845 INFO L290 TraceCheckUtils]: 0: Hoare triple {448#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {448#true} is VALID [2022-02-20 18:05:33,846 INFO L290 TraceCheckUtils]: 1: Hoare triple {448#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {448#true} is VALID [2022-02-20 18:05:33,846 INFO L290 TraceCheckUtils]: 2: Hoare triple {448#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {448#true} is VALID [2022-02-20 18:05:33,846 INFO L290 TraceCheckUtils]: 3: Hoare triple {448#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {448#true} is VALID [2022-02-20 18:05:33,846 INFO L290 TraceCheckUtils]: 4: Hoare triple {448#true} main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; {448#true} is VALID [2022-02-20 18:05:33,846 INFO L290 TraceCheckUtils]: 5: Hoare triple {448#true} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {448#true} is VALID [2022-02-20 18:05:33,847 INFO L290 TraceCheckUtils]: 6: Hoare triple {448#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {450#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:33,847 INFO L290 TraceCheckUtils]: 7: Hoare triple {450#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {450#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:33,848 INFO L290 TraceCheckUtils]: 8: Hoare triple {450#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {449#false} is VALID [2022-02-20 18:05:33,848 INFO L272 TraceCheckUtils]: 9: Hoare triple {449#false} call cleanup(); {449#false} is VALID [2022-02-20 18:05:33,848 INFO L290 TraceCheckUtils]: 10: Hoare triple {449#false} havoc ~i~0;havoc ~__cil_tmp2~0; {449#false} is VALID [2022-02-20 18:05:33,848 INFO L272 TraceCheckUtils]: 11: Hoare triple {449#false} call timeShift(); {449#false} is VALID [2022-02-20 18:05:33,849 INFO L290 TraceCheckUtils]: 12: Hoare triple {449#false} assume !(0 != ~pumpRunning~0); {449#false} is VALID [2022-02-20 18:05:33,849 INFO L290 TraceCheckUtils]: 13: Hoare triple {449#false} assume !(0 != ~systemActive~0); {449#false} is VALID [2022-02-20 18:05:33,849 INFO L290 TraceCheckUtils]: 14: Hoare triple {449#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {449#false} is VALID [2022-02-20 18:05:33,849 INFO L272 TraceCheckUtils]: 15: Hoare triple {449#false} call __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical(); {448#true} is VALID [2022-02-20 18:05:33,849 INFO L290 TraceCheckUtils]: 16: Hoare triple {448#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {448#true} is VALID [2022-02-20 18:05:33,850 INFO L290 TraceCheckUtils]: 17: Hoare triple {448#true} assume true; {448#true} is VALID [2022-02-20 18:05:33,850 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {448#true} {449#false} #179#return; {449#false} is VALID [2022-02-20 18:05:33,850 INFO L290 TraceCheckUtils]: 19: Hoare triple {449#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24#1 && __utac_acc__Specification1_spec__1_#t~ret24#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; {449#false} is VALID [2022-02-20 18:05:33,850 INFO L290 TraceCheckUtils]: 20: Hoare triple {449#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; {449#false} is VALID [2022-02-20 18:05:33,850 INFO L290 TraceCheckUtils]: 21: Hoare triple {449#false} __utac_acc__Specification1_spec__1_#t~ret25#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25#1 && __utac_acc__Specification1_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; {449#false} is VALID [2022-02-20 18:05:33,851 INFO L290 TraceCheckUtils]: 22: Hoare triple {449#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {449#false} is VALID [2022-02-20 18:05:33,851 INFO L290 TraceCheckUtils]: 23: Hoare triple {449#false} assume !false; {449#false} is VALID [2022-02-20 18:05:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:33,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:33,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104768861] [2022-02-20 18:05:33,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104768861] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:33,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:33,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:33,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357949406] [2022-02-20 18:05:33,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:33,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-02-20 18:05:33,854 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:33,854 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,871 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:33,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:33,872 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:33,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:33,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:33,873 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:33,928 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2022-02-20 18:05:33,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:33,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-02-20 18:05:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2022-02-20 18:05:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 93 transitions. [2022-02-20 18:05:33,934 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 93 transitions. [2022-02-20 18:05:33,999 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:34,004 INFO L225 Difference]: With dead ends: 76 [2022-02-20 18:05:34,004 INFO L226 Difference]: Without dead ends: 48 [2022-02-20 18:05:34,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:34,010 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:34,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:34,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-02-20 18:05:34,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-02-20 18:05:34,021 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:34,022 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:34,023 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:34,024 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:34,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,031 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2022-02-20 18:05:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-02-20 18:05:34,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:34,034 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 48 states. [2022-02-20 18:05:34,035 INFO L87 Difference]: Start difference. First operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 48 states. [2022-02-20 18:05:34,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,043 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2022-02-20 18:05:34,043 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-02-20 18:05:34,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,045 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:34,045 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:34,045 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-02-20 18:05:34,049 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 24 [2022-02-20 18:05:34,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:34,049 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-02-20 18:05:34,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-02-20 18:05:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 18:05:34,052 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:34,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:34,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:05:34,052 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:34,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:34,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1786967612, now seen corresponding path program 1 times [2022-02-20 18:05:34,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:34,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806901022] [2022-02-20 18:05:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-20 18:05:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:34,173 INFO L290 TraceCheckUtils]: 0: Hoare triple {726#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {726#true} is VALID [2022-02-20 18:05:34,173 INFO L290 TraceCheckUtils]: 1: Hoare triple {726#true} assume true; {726#true} is VALID [2022-02-20 18:05:34,173 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {726#true} {727#false} #179#return; {727#false} is VALID [2022-02-20 18:05:34,191 INFO L290 TraceCheckUtils]: 0: Hoare triple {726#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,192 INFO L290 TraceCheckUtils]: 1: Hoare triple {728#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,193 INFO L290 TraceCheckUtils]: 2: Hoare triple {728#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,193 INFO L290 TraceCheckUtils]: 3: Hoare triple {728#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,194 INFO L290 TraceCheckUtils]: 4: Hoare triple {728#(= 1 ~systemActive~0)} main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,194 INFO L290 TraceCheckUtils]: 5: Hoare triple {728#(= 1 ~systemActive~0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,195 INFO L290 TraceCheckUtils]: 6: Hoare triple {728#(= 1 ~systemActive~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,195 INFO L290 TraceCheckUtils]: 7: Hoare triple {728#(= 1 ~systemActive~0)} assume !false; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,196 INFO L290 TraceCheckUtils]: 8: Hoare triple {728#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0#1 < 4; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,196 INFO L290 TraceCheckUtils]: 9: Hoare triple {728#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,197 INFO L290 TraceCheckUtils]: 10: Hoare triple {728#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~0#1); {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,197 INFO L290 TraceCheckUtils]: 11: Hoare triple {728#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,198 INFO L290 TraceCheckUtils]: 12: Hoare triple {728#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0#1); {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,198 INFO L290 TraceCheckUtils]: 13: Hoare triple {728#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,199 INFO L290 TraceCheckUtils]: 14: Hoare triple {728#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0#1; {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,199 INFO L272 TraceCheckUtils]: 15: Hoare triple {728#(= 1 ~systemActive~0)} call timeShift(); {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,200 INFO L290 TraceCheckUtils]: 16: Hoare triple {728#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {728#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:34,200 INFO L290 TraceCheckUtils]: 17: Hoare triple {728#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {727#false} is VALID [2022-02-20 18:05:34,200 INFO L290 TraceCheckUtils]: 18: Hoare triple {727#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {727#false} is VALID [2022-02-20 18:05:34,201 INFO L272 TraceCheckUtils]: 19: Hoare triple {727#false} call __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical(); {726#true} is VALID [2022-02-20 18:05:34,201 INFO L290 TraceCheckUtils]: 20: Hoare triple {726#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {726#true} is VALID [2022-02-20 18:05:34,201 INFO L290 TraceCheckUtils]: 21: Hoare triple {726#true} assume true; {726#true} is VALID [2022-02-20 18:05:34,201 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {726#true} {727#false} #179#return; {727#false} is VALID [2022-02-20 18:05:34,201 INFO L290 TraceCheckUtils]: 23: Hoare triple {727#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24#1 && __utac_acc__Specification1_spec__1_#t~ret24#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; {727#false} is VALID [2022-02-20 18:05:34,202 INFO L290 TraceCheckUtils]: 24: Hoare triple {727#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; {727#false} is VALID [2022-02-20 18:05:34,202 INFO L290 TraceCheckUtils]: 25: Hoare triple {727#false} __utac_acc__Specification1_spec__1_#t~ret25#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25#1 && __utac_acc__Specification1_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; {727#false} is VALID [2022-02-20 18:05:34,202 INFO L290 TraceCheckUtils]: 26: Hoare triple {727#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {727#false} is VALID [2022-02-20 18:05:34,202 INFO L290 TraceCheckUtils]: 27: Hoare triple {727#false} assume !false; {727#false} is VALID [2022-02-20 18:05:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:34,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:34,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806901022] [2022-02-20 18:05:34,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806901022] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:34,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:34,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:34,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254599430] [2022-02-20 18:05:34,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:34,204 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-02-20 18:05:34,204 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:34,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,229 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:34,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:34,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:34,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:34,231 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,317 INFO L93 Difference]: Finished difference Result 129 states and 163 transitions. [2022-02-20 18:05:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:34,318 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-02-20 18:05:34,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2022-02-20 18:05:34,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2022-02-20 18:05:34,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 163 transitions. [2022-02-20 18:05:34,447 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:34,449 INFO L225 Difference]: With dead ends: 129 [2022-02-20 18:05:34,449 INFO L226 Difference]: Without dead ends: 88 [2022-02-20 18:05:34,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:34,450 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 39 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 111 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 [2022-02-20 18:05:34,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:34,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-02-20 18:05:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2022-02-20 18:05:34,457 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:34,457 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:05:34,457 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:05:34,458 INFO L87 Difference]: Start difference. First operand 88 states. Second operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:05:34,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,460 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-02-20 18:05:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-02-20 18:05:34,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,461 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:34,461 INFO L74 IsIncluded]: Start isIncluded. First operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 88 states. [2022-02-20 18:05:34,462 INFO L87 Difference]: Start difference. First operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 88 states. [2022-02-20 18:05:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,464 INFO L93 Difference]: Finished difference Result 88 states and 109 transitions. [2022-02-20 18:05:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-02-20 18:05:34,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:34,479 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:34,480 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:05:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 104 transitions. [2022-02-20 18:05:34,482 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 104 transitions. Word has length 28 [2022-02-20 18:05:34,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:34,482 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 104 transitions. [2022-02-20 18:05:34,482 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2022-02-20 18:05:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 18:05:34,483 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:34,483 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:34,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:05:34,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:34,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:34,484 INFO L85 PathProgramCache]: Analyzing trace with hash 359771529, now seen corresponding path program 1 times [2022-02-20 18:05:34,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:34,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553220773] [2022-02-20 18:05:34,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:34,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:05:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:34,578 INFO L290 TraceCheckUtils]: 0: Hoare triple {1202#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {1202#true} is VALID [2022-02-20 18:05:34,579 INFO L290 TraceCheckUtils]: 1: Hoare triple {1202#true} assume true; {1202#true} is VALID [2022-02-20 18:05:34,579 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1202#true} {1204#(= ~pumpRunning~0 0)} #179#return; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,580 INFO L290 TraceCheckUtils]: 0: Hoare triple {1202#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,580 INFO L290 TraceCheckUtils]: 1: Hoare triple {1204#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {1204#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,581 INFO L290 TraceCheckUtils]: 3: Hoare triple {1204#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,581 INFO L290 TraceCheckUtils]: 4: Hoare triple {1204#(= ~pumpRunning~0 0)} main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,582 INFO L290 TraceCheckUtils]: 5: Hoare triple {1204#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,582 INFO L290 TraceCheckUtils]: 6: Hoare triple {1204#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,582 INFO L290 TraceCheckUtils]: 7: Hoare triple {1204#(= ~pumpRunning~0 0)} assume !false; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,583 INFO L290 TraceCheckUtils]: 8: Hoare triple {1204#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,583 INFO L290 TraceCheckUtils]: 9: Hoare triple {1204#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,583 INFO L290 TraceCheckUtils]: 10: Hoare triple {1204#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~0#1); {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,584 INFO L290 TraceCheckUtils]: 11: Hoare triple {1204#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,584 INFO L290 TraceCheckUtils]: 12: Hoare triple {1204#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,584 INFO L290 TraceCheckUtils]: 13: Hoare triple {1204#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,585 INFO L290 TraceCheckUtils]: 14: Hoare triple {1204#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,585 INFO L272 TraceCheckUtils]: 15: Hoare triple {1204#(= ~pumpRunning~0 0)} call timeShift(); {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,586 INFO L290 TraceCheckUtils]: 16: Hoare triple {1204#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,586 INFO L290 TraceCheckUtils]: 17: Hoare triple {1204#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,586 INFO L290 TraceCheckUtils]: 18: Hoare triple {1204#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,587 INFO L290 TraceCheckUtils]: 19: Hoare triple {1204#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,587 INFO L272 TraceCheckUtils]: 20: Hoare triple {1204#(= ~pumpRunning~0 0)} call __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical(); {1202#true} is VALID [2022-02-20 18:05:34,587 INFO L290 TraceCheckUtils]: 21: Hoare triple {1202#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {1202#true} is VALID [2022-02-20 18:05:34,587 INFO L290 TraceCheckUtils]: 22: Hoare triple {1202#true} assume true; {1202#true} is VALID [2022-02-20 18:05:34,588 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1202#true} {1204#(= ~pumpRunning~0 0)} #179#return; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,588 INFO L290 TraceCheckUtils]: 24: Hoare triple {1204#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24#1 && __utac_acc__Specification1_spec__1_#t~ret24#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; {1204#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:34,589 INFO L290 TraceCheckUtils]: 25: Hoare triple {1204#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~2#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1; {1208#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:05:34,589 INFO L290 TraceCheckUtils]: 26: Hoare triple {1208#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification1_spec__1_#t~ret25#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25#1 && __utac_acc__Specification1_spec__1_#t~ret25#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; {1209#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:05:34,589 INFO L290 TraceCheckUtils]: 27: Hoare triple {1209#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {1203#false} is VALID [2022-02-20 18:05:34,590 INFO L290 TraceCheckUtils]: 28: Hoare triple {1203#false} assume !false; {1203#false} is VALID [2022-02-20 18:05:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:34,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:34,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553220773] [2022-02-20 18:05:34,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553220773] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:34,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:34,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:05:34,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135859544] [2022-02-20 18:05:34,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:34,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:05:34,592 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:34,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:34,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:05:34,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:34,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:05:34,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:05:34,611 INFO L87 Difference]: Start difference. First operand 83 states and 104 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,715 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2022-02-20 18:05:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:05:34,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:05:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2022-02-20 18:05:34,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2022-02-20 18:05:34,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 110 transitions. [2022-02-20 18:05:34,789 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:34,789 INFO L225 Difference]: With dead ends: 158 [2022-02-20 18:05:34,789 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:05:34,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:05:34,791 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 36 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:34,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:34,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:05:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:05:34,808 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:34,808 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:05:34,808 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:05:34,808 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:05:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,809 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:34,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:34,809 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-20 18:05:34,809 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-20 18:05:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:34,809 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:34,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:34,809 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:34,809 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:05:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:05:34,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-02-20 18:05:34,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:34,810 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:05:34,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:34,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:34,812 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:05:34,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:05:34,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:05:34,931 INFO L858 garLoopResultBuilder]: For program point L321-1(lines 317 328) no Hoare annotation was computed. [2022-02-20 18:05:34,931 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 317 328) the Hoare annotation is: true [2022-02-20 18:05:34,931 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 317 328) no Hoare annotation was computed. [2022-02-20 18:05:34,932 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 329 337) the Hoare annotation is: true [2022-02-20 18:05:34,932 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 329 337) no Hoare annotation was computed. [2022-02-20 18:05:34,932 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 329 337) no Hoare annotation was computed. [2022-02-20 18:05:34,932 INFO L861 garLoopResultBuilder]: At program point L386-1(lines 386 390) the Hoare annotation is: true [2022-02-20 18:05:34,932 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 372 401) no Hoare annotation was computed. [2022-02-20 18:05:34,932 INFO L858 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2022-02-20 18:05:34,932 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 372 401) the Hoare annotation is: true [2022-02-20 18:05:34,933 INFO L861 garLoopResultBuilder]: At program point L382-2(lines 382 396) the Hoare annotation is: true [2022-02-20 18:05:34,933 INFO L861 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-02-20 18:05:34,933 INFO L858 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2022-02-20 18:05:34,933 INFO L861 garLoopResultBuilder]: At program point L397(lines 372 401) the Hoare annotation is: true [2022-02-20 18:05:34,933 INFO L858 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2022-02-20 18:05:34,933 INFO L858 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2022-02-20 18:05:34,933 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-02-20 18:05:34,952 INFO L858 garLoopResultBuilder]: For program point L182-1(lines 182 188) no Hoare annotation was computed. [2022-02-20 18:05:34,952 INFO L854 garLoopResultBuilder]: At program point L234(lines 229 237) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-02-20 18:05:34,952 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L861 garLoopResultBuilder]: At program point L199(lines 195 201) the Hoare annotation is: true [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 497) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L861 garLoopResultBuilder]: At program point L484-1(lines 476 500) the Hoare annotation is: true [2022-02-20 18:05:34,953 INFO L861 garLoopResultBuilder]: At program point L482(line 482) the Hoare annotation is: true [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point L482-1(line 482) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L854 garLoopResultBuilder]: At program point L472(lines 467 474) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-02-20 18:05:34,953 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: true [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 174 193) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 471) no Hoare annotation was computed. [2022-02-20 18:05:34,953 INFO L854 garLoopResultBuilder]: At program point L297-2(lines 293 304) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-02-20 18:05:34,954 INFO L854 garLoopResultBuilder]: At program point L155(lines 150 158) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:34,954 INFO L861 garLoopResultBuilder]: At program point L440(lines 433 442) the Hoare annotation is: true [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-02-20 18:05:34,954 INFO L854 garLoopResultBuilder]: At program point L147(lines 143 149) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:34,954 INFO L854 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:34,954 INFO L854 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 460) no Hoare annotation was computed. [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point L453-2(lines 453 460) no Hoare annotation was computed. [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:05:34,954 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L861 garLoopResultBuilder]: At program point L462(lines 443 465) the Hoare annotation is: true [2022-02-20 18:05:34,957 INFO L854 garLoopResultBuilder]: At program point L140(lines 136 142) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:34,957 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:34,957 INFO L854 garLoopResultBuilder]: At program point L215(lines 210 217) the Hoare annotation is: false [2022-02-20 18:05:34,957 INFO L861 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-02-20 18:05:34,957 INFO L854 garLoopResultBuilder]: At program point L430(lines 426 432) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:34,957 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2022-02-20 18:05:34,957 INFO L854 garLoopResultBuilder]: At program point L286(lines 274 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:34,958 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2022-02-20 18:05:34,958 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 284) no Hoare annotation was computed. [2022-02-20 18:05:34,958 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-02-20 18:05:34,958 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2022-02-20 18:05:34,958 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:34,958 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 305 316) no Hoare annotation was computed. [2022-02-20 18:05:34,958 INFO L858 garLoopResultBuilder]: For program point L309-1(lines 305 316) no Hoare annotation was computed. [2022-02-20 18:05:34,958 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 305 316) the Hoare annotation is: true [2022-02-20 18:05:34,960 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:05:34,961 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:05:34,968 WARN L170 areAnnotationChecker]: L321-1 has no Hoare annotation [2022-02-20 18:05:34,968 WARN L170 areAnnotationChecker]: L321-1 has no Hoare annotation [2022-02-20 18:05:34,968 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L309-1 has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L309-1 has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L321-1 has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L378-1 has no Hoare annotation [2022-02-20 18:05:34,969 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2022-02-20 18:05:34,970 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2022-02-20 18:05:34,970 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2022-02-20 18:05:34,970 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2022-02-20 18:05:34,970 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: L309-1 has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: L378-1 has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: L175-1 has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: L182-1 has no Hoare annotation [2022-02-20 18:05:34,971 WARN L170 areAnnotationChecker]: L182-1 has no Hoare annotation [2022-02-20 18:05:34,972 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:05:34,972 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2022-02-20 18:05:34,972 WARN L170 areAnnotationChecker]: L482-1 has no Hoare annotation [2022-02-20 18:05:34,972 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2022-02-20 18:05:34,972 WARN L170 areAnnotationChecker]: L482-1 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2022-02-20 18:05:34,973 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2022-02-20 18:05:34,974 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2022-02-20 18:05:34,974 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2022-02-20 18:05:34,974 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2022-02-20 18:05:34,974 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:05:34,976 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2022-02-20 18:05:34,976 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2022-02-20 18:05:34,976 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L393 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L453-2 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2022-02-20 18:05:34,977 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: L453-2 has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: L393 has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:34,978 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2022-02-20 18:05:34,979 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:34,979 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:05:34,979 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:05:34,979 WARN L170 areAnnotationChecker]: L75-1 has no Hoare annotation [2022-02-20 18:05:34,979 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:05:34,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:05:34 BoogieIcfgContainer [2022-02-20 18:05:34,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:05:34,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:05:34,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:05:34,988 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:05:34,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:33" (3/4) ... [2022-02-20 18:05:34,991 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:05:34,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:05:34,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:05:34,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:05:34,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:05:34,995 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:05:34,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-02-20 18:05:34,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:05:34,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:05:34,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:05:35,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:05:35,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:35,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:35,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-02-20 18:05:35,030 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:05:35,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:05:35,031 INFO L158 Benchmark]: Toolchain (without parser) took 2713.95ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 64.7MB in the beginning and 97.3MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:35,031 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:35,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.62ms. Allocated memory is still 107.0MB. Free memory was 64.5MB in the beginning and 71.7MB in the end (delta: -7.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-02-20 18:05:35,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:05:35,032 INFO L158 Benchmark]: Boogie Preprocessor took 31.76ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:05:35,033 INFO L158 Benchmark]: RCFGBuilder took 433.42ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 50.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-20 18:05:35,033 INFO L158 Benchmark]: TraceAbstraction took 1831.26ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 50.3MB in the beginning and 101.5MB in the end (delta: -51.3MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-02-20 18:05:35,033 INFO L158 Benchmark]: Witness Printer took 42.48ms. Allocated memory is still 134.2MB. Free memory was 101.5MB in the beginning and 97.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:05:35,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.62ms. Allocated memory is still 107.0MB. Free memory was 64.5MB in the beginning and 71.7MB in the end (delta: -7.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.76ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 67.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.42ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 50.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1831.26ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 50.3MB in the beginning and 101.5MB in the end (delta: -51.3MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 42.48ms. Allocated memory is still 134.2MB. Free memory was 101.5MB in the beginning and 97.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 471]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 249 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 113 PreInvPairs, 136 NumberOfFragments, 96 HoareAnnotationTreeSize, 113 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:05:35,083 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