./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_product04.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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:05:33,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:05:33,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:05:33,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:05:33,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:05:33,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:05:33,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:05:33,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:05:33,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:05:33,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:05:33,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:05:33,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:05:33,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:05:33,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:05:33,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:05:33,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:05:33,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:05:33,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:05:33,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:05:33,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:05:33,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:05:33,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:05:33,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:05:33,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:05:33,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:05:33,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:05:33,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:05:33,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:05:33,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:05:33,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:05:33,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:05:33,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:05:33,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:05:33,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:05:33,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:05:33,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:05:33,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:05:33,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:05:33,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:05:33,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:05:33,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:05:33,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:05:33,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:05:33,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:05:33,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:05:33,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:05:33,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:05:33,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:05:33,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:05:33,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:05:33,451 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:05:33,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:05:33,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:05:33,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:05:33,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:05:33,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:05:33,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:05:33,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:05:33,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:05:33,453 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:05:33,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:05:33,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:05:33,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:05:33,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:05:33,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:05:33,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:05:33,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:33,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:05:33,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:05:33,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:05:33,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:05:33,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:05:33,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:05:33,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:05:33,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:05:33,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2022-02-20 18:05:33,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:05:33,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:05:33,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:05:33,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:05:33,695 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:05:33,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2022-02-20 18:05:33,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1724610ee/664bea02a64a4c8ebd85f8a1566554e7/FLAG9db7d3bf0 [2022-02-20 18:05:34,167 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:05:34,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2022-02-20 18:05:34,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1724610ee/664bea02a64a4c8ebd85f8a1566554e7/FLAG9db7d3bf0 [2022-02-20 18:05:34,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1724610ee/664bea02a64a4c8ebd85f8a1566554e7 [2022-02-20 18:05:34,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:05:34,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:05:34,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:34,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:05:34,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:05:34,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:34" (1/1) ... [2022-02-20 18:05:34,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cd69d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:34, skipping insertion in model container [2022-02-20 18:05:34,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:34" (1/1) ... [2022-02-20 18:05:34,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:05:34,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:05:34,736 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_product04.cil.c[1605,1618] [2022-02-20 18:05:34,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:34,898 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:05:34,918 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_product04.cil.c[1605,1618] [2022-02-20 18:05:35,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:35,021 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:05:35,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35 WrapperNode [2022-02-20 18:05:35,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:35,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:35,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:05:35,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:05:35,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,069 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 190 [2022-02-20 18:05:35,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:35,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:05:35,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:05:35,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:05:35,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:05:35,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:05:35,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:05:35,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:05:35,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (1/1) ... [2022-02-20 18:05:35,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:05:35,144 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 18:05:35,159 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 18:05:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:05:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:05:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:05:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:05:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:05:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:05:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:05:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:05:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:05:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:05:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:05:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:05:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:05:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:05:35,268 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:05:35,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:05:35,604 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:05:35,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:05:35,610 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:05:35,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:35 BoogieIcfgContainer [2022-02-20 18:05:35,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:05:35,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:05:35,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:05:35,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:05:35,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:05:34" (1/3) ... [2022-02-20 18:05:35,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174051b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:35, skipping insertion in model container [2022-02-20 18:05:35,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:35" (2/3) ... [2022-02-20 18:05:35,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@174051b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:35, skipping insertion in model container [2022-02-20 18:05:35,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:35" (3/3) ... [2022-02-20 18:05:35,625 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2022-02-20 18:05:35,628 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:05:35,629 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:05:35,675 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:05:35,685 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 18:05:35,686 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:05:35,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 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 18:05:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 18:05:35,732 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:35,733 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 18:05:35,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:35,739 INFO L85 PathProgramCache]: Analyzing trace with hash -291127646, now seen corresponding path program 1 times [2022-02-20 18:05:35,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:35,748 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818953198] [2022-02-20 18:05:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:05:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:36,048 INFO L290 TraceCheckUtils]: 0: Hoare triple {70#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {70#true} is VALID [2022-02-20 18:05:36,048 INFO L290 TraceCheckUtils]: 1: Hoare triple {70#true} assume true; {70#true} is VALID [2022-02-20 18:05:36,049 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {70#true} {71#false} #181#return; {71#false} is VALID [2022-02-20 18:05:36,055 INFO L290 TraceCheckUtils]: 0: Hoare triple {70#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {70#true} is VALID [2022-02-20 18:05:36,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {70#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {70#true} is VALID [2022-02-20 18:05:36,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {70#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {70#true} is VALID [2022-02-20 18:05:36,057 INFO L290 TraceCheckUtils]: 3: Hoare triple {70#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {70#true} is VALID [2022-02-20 18:05:36,057 INFO L290 TraceCheckUtils]: 4: Hoare triple {70#true} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {70#true} is VALID [2022-02-20 18:05:36,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {70#true} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {70#true} is VALID [2022-02-20 18:05:36,058 INFO L290 TraceCheckUtils]: 6: Hoare triple {70#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; {70#true} is VALID [2022-02-20 18:05:36,059 INFO L290 TraceCheckUtils]: 7: Hoare triple {70#true} assume false; {71#false} is VALID [2022-02-20 18:05:36,060 INFO L272 TraceCheckUtils]: 8: Hoare triple {71#false} call cleanup(); {71#false} is VALID [2022-02-20 18:05:36,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {71#false} havoc ~i~0;havoc ~__cil_tmp2~0; {71#false} is VALID [2022-02-20 18:05:36,060 INFO L272 TraceCheckUtils]: 10: Hoare triple {71#false} call timeShift(); {71#false} is VALID [2022-02-20 18:05:36,061 INFO L290 TraceCheckUtils]: 11: Hoare triple {71#false} assume !(0 != ~pumpRunning~0); {71#false} is VALID [2022-02-20 18:05:36,061 INFO L290 TraceCheckUtils]: 12: Hoare triple {71#false} assume !(0 != ~systemActive~0); {71#false} is VALID [2022-02-20 18:05:36,061 INFO L290 TraceCheckUtils]: 13: Hoare triple {71#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {71#false} is VALID [2022-02-20 18:05:36,062 INFO L272 TraceCheckUtils]: 14: Hoare triple {71#false} call __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical(); {70#true} is VALID [2022-02-20 18:05:36,062 INFO L290 TraceCheckUtils]: 15: Hoare triple {70#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {70#true} is VALID [2022-02-20 18:05:36,062 INFO L290 TraceCheckUtils]: 16: Hoare triple {70#true} assume true; {70#true} is VALID [2022-02-20 18:05:36,063 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {70#true} {71#false} #181#return; {71#false} is VALID [2022-02-20 18:05:36,063 INFO L290 TraceCheckUtils]: 18: Hoare triple {71#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46#1 && __utac_acc__Specification1_spec__1_#t~ret46#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; {71#false} is VALID [2022-02-20 18:05:36,063 INFO L290 TraceCheckUtils]: 19: Hoare triple {71#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {71#false} is VALID [2022-02-20 18:05:36,063 INFO L290 TraceCheckUtils]: 20: Hoare triple {71#false} __utac_acc__Specification1_spec__1_#t~ret47#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {71#false} is VALID [2022-02-20 18:05:36,064 INFO L290 TraceCheckUtils]: 21: Hoare triple {71#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {71#false} is VALID [2022-02-20 18:05:36,065 INFO L290 TraceCheckUtils]: 22: Hoare triple {71#false} assume !false; {71#false} is VALID [2022-02-20 18:05:36,065 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 18:05:36,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:36,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818953198] [2022-02-20 18:05:36,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818953198] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:36,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:36,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:05:36,069 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208423409] [2022-02-20 18:05:36,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:36,076 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 18:05:36,079 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:36,082 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 18:05:36,141 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 18:05:36,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:05:36,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:36,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:05:36,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:05:36,166 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 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 18:05:36,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:36,281 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions. [2022-02-20 18:05:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:05:36,282 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 18:05:36,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:36,284 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 18:05:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 169 transitions. [2022-02-20 18:05:36,297 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 18:05:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 169 transitions. [2022-02-20 18:05:36,303 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 169 transitions. [2022-02-20 18:05:36,482 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:36,493 INFO L225 Difference]: With dead ends: 126 [2022-02-20 18:05:36,493 INFO L226 Difference]: Without dead ends: 58 [2022-02-20 18:05:36,497 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 18:05:36,501 INFO L933 BasicCegarLoop]: 81 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, 81 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 18:05:36,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:36,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-20 18:05:36,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-02-20 18:05:36,535 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:36,536 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:05:36,537 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:05:36,538 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:05:36,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:36,543 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-02-20 18:05:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-02-20 18:05:36,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:36,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:36,545 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 58 states. [2022-02-20 18:05:36,545 INFO L87 Difference]: Start difference. First operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 58 states. [2022-02-20 18:05:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:36,551 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-02-20 18:05:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-02-20 18:05:36,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:36,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:36,557 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:36,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:05:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-02-20 18:05:36,565 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23 [2022-02-20 18:05:36,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:36,565 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-02-20 18:05:36,566 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 18:05:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-02-20 18:05:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 18:05:36,567 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:36,567 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 18:05:36,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:05:36,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:36,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:36,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1914493388, now seen corresponding path program 1 times [2022-02-20 18:05:36,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:36,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854444353] [2022-02-20 18:05:36,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:36,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:05:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:36,626 INFO L290 TraceCheckUtils]: 0: Hoare triple {457#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {457#true} is VALID [2022-02-20 18:05:36,627 INFO L290 TraceCheckUtils]: 1: Hoare triple {457#true} assume true; {457#true} is VALID [2022-02-20 18:05:36,627 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {457#true} {458#false} #181#return; {458#false} is VALID [2022-02-20 18:05:36,627 INFO L290 TraceCheckUtils]: 0: Hoare triple {457#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {457#true} is VALID [2022-02-20 18:05:36,627 INFO L290 TraceCheckUtils]: 1: Hoare triple {457#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {457#true} is VALID [2022-02-20 18:05:36,628 INFO L290 TraceCheckUtils]: 2: Hoare triple {457#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {457#true} is VALID [2022-02-20 18:05:36,628 INFO L290 TraceCheckUtils]: 3: Hoare triple {457#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {457#true} is VALID [2022-02-20 18:05:36,628 INFO L290 TraceCheckUtils]: 4: Hoare triple {457#true} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {457#true} is VALID [2022-02-20 18:05:36,628 INFO L290 TraceCheckUtils]: 5: Hoare triple {457#true} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {457#true} is VALID [2022-02-20 18:05:36,629 INFO L290 TraceCheckUtils]: 6: Hoare triple {457#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; {459#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:36,629 INFO L290 TraceCheckUtils]: 7: Hoare triple {459#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {459#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:36,630 INFO L290 TraceCheckUtils]: 8: Hoare triple {459#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {458#false} is VALID [2022-02-20 18:05:36,630 INFO L272 TraceCheckUtils]: 9: Hoare triple {458#false} call cleanup(); {458#false} is VALID [2022-02-20 18:05:36,630 INFO L290 TraceCheckUtils]: 10: Hoare triple {458#false} havoc ~i~0;havoc ~__cil_tmp2~0; {458#false} is VALID [2022-02-20 18:05:36,631 INFO L272 TraceCheckUtils]: 11: Hoare triple {458#false} call timeShift(); {458#false} is VALID [2022-02-20 18:05:36,631 INFO L290 TraceCheckUtils]: 12: Hoare triple {458#false} assume !(0 != ~pumpRunning~0); {458#false} is VALID [2022-02-20 18:05:36,631 INFO L290 TraceCheckUtils]: 13: Hoare triple {458#false} assume !(0 != ~systemActive~0); {458#false} is VALID [2022-02-20 18:05:36,631 INFO L290 TraceCheckUtils]: 14: Hoare triple {458#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {458#false} is VALID [2022-02-20 18:05:36,632 INFO L272 TraceCheckUtils]: 15: Hoare triple {458#false} call __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical(); {457#true} is VALID [2022-02-20 18:05:36,632 INFO L290 TraceCheckUtils]: 16: Hoare triple {457#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {457#true} is VALID [2022-02-20 18:05:36,632 INFO L290 TraceCheckUtils]: 17: Hoare triple {457#true} assume true; {457#true} is VALID [2022-02-20 18:05:36,632 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {457#true} {458#false} #181#return; {458#false} is VALID [2022-02-20 18:05:36,632 INFO L290 TraceCheckUtils]: 19: Hoare triple {458#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46#1 && __utac_acc__Specification1_spec__1_#t~ret46#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; {458#false} is VALID [2022-02-20 18:05:36,633 INFO L290 TraceCheckUtils]: 20: Hoare triple {458#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {458#false} is VALID [2022-02-20 18:05:36,633 INFO L290 TraceCheckUtils]: 21: Hoare triple {458#false} __utac_acc__Specification1_spec__1_#t~ret47#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {458#false} is VALID [2022-02-20 18:05:36,633 INFO L290 TraceCheckUtils]: 22: Hoare triple {458#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {458#false} is VALID [2022-02-20 18:05:36,633 INFO L290 TraceCheckUtils]: 23: Hoare triple {458#false} assume !false; {458#false} is VALID [2022-02-20 18:05:36,634 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 18:05:36,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:36,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854444353] [2022-02-20 18:05:36,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854444353] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:36,634 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:36,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:36,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44675701] [2022-02-20 18:05:36,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:36,636 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 18:05:36,637 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:36,637 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 18:05:36,659 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 18:05:36,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:36,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:36,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:36,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:36,661 INFO L87 Difference]: Start difference. First operand 58 states and 72 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 18:05:36,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:36,747 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-02-20 18:05:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:36,747 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 18:05:36,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:36,748 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 18:05:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2022-02-20 18:05:36,758 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 18:05:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2022-02-20 18:05:36,764 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 94 transitions. [2022-02-20 18:05:36,842 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:36,846 INFO L225 Difference]: With dead ends: 77 [2022-02-20 18:05:36,846 INFO L226 Difference]: Without dead ends: 49 [2022-02-20 18:05:36,849 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 18:05:36,852 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 96 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 18:05:36,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-02-20 18:05:36,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-02-20 18:05:36,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:36,863 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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 18:05:36,864 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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 18:05:36,865 INFO L87 Difference]: Start difference. First operand 49 states. Second operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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 18:05:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:36,871 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-02-20 18:05:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-02-20 18:05:36,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:36,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:36,873 INFO L74 IsIncluded]: Start isIncluded. First operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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 49 states. [2022-02-20 18:05:36,874 INFO L87 Difference]: Start difference. First operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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 49 states. [2022-02-20 18:05:36,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:36,877 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-02-20 18:05:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-02-20 18:05:36,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:36,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:36,878 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:36,878 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 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 18:05:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2022-02-20 18:05:36,880 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 24 [2022-02-20 18:05:36,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:36,881 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2022-02-20 18:05:36,881 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 18:05:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-02-20 18:05:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 18:05:36,882 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:36,882 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 18:05:36,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:05:36,883 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:36,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -832804307, now seen corresponding path program 1 times [2022-02-20 18:05:36,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:36,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052682468] [2022-02-20 18:05:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:05:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:36,958 INFO L290 TraceCheckUtils]: 0: Hoare triple {741#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {741#true} is VALID [2022-02-20 18:05:36,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {741#true} assume true; {741#true} is VALID [2022-02-20 18:05:36,958 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {741#true} {742#false} #181#return; {742#false} is VALID [2022-02-20 18:05:36,958 INFO L290 TraceCheckUtils]: 0: Hoare triple {741#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {741#true} is VALID [2022-02-20 18:05:36,959 INFO L290 TraceCheckUtils]: 1: Hoare triple {741#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {741#true} is VALID [2022-02-20 18:05:36,959 INFO L290 TraceCheckUtils]: 2: Hoare triple {741#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {741#true} is VALID [2022-02-20 18:05:36,959 INFO L290 TraceCheckUtils]: 3: Hoare triple {741#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {741#true} is VALID [2022-02-20 18:05:36,959 INFO L290 TraceCheckUtils]: 4: Hoare triple {741#true} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {741#true} is VALID [2022-02-20 18:05:36,960 INFO L290 TraceCheckUtils]: 5: Hoare triple {741#true} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {741#true} is VALID [2022-02-20 18:05:36,960 INFO L290 TraceCheckUtils]: 6: Hoare triple {741#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; {741#true} is VALID [2022-02-20 18:05:36,960 INFO L290 TraceCheckUtils]: 7: Hoare triple {741#true} assume !false; {741#true} is VALID [2022-02-20 18:05:36,960 INFO L290 TraceCheckUtils]: 8: Hoare triple {741#true} assume test_~splverifierCounter~0#1 < 4; {741#true} is VALID [2022-02-20 18:05:36,960 INFO L290 TraceCheckUtils]: 9: Hoare triple {741#true} assume -2147483648 <= test_#t~nondet4#1 && test_#t~nondet4#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {741#true} is VALID [2022-02-20 18:05:36,961 INFO L290 TraceCheckUtils]: 10: Hoare triple {741#true} assume !(0 != test_~tmp~0#1); {741#true} is VALID [2022-02-20 18:05:36,961 INFO L290 TraceCheckUtils]: 11: Hoare triple {741#true} 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; {741#true} is VALID [2022-02-20 18:05:36,961 INFO L290 TraceCheckUtils]: 12: Hoare triple {741#true} assume !(0 != test_~tmp___0~0#1); {741#true} is VALID [2022-02-20 18:05:36,961 INFO L290 TraceCheckUtils]: 13: Hoare triple {741#true} 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; {741#true} is VALID [2022-02-20 18:05:36,962 INFO L290 TraceCheckUtils]: 14: Hoare triple {741#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {743#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:36,962 INFO L290 TraceCheckUtils]: 15: Hoare triple {743#(= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {743#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:36,963 INFO L272 TraceCheckUtils]: 16: Hoare triple {743#(= 1 ~systemActive~0)} call timeShift(); {743#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:36,963 INFO L290 TraceCheckUtils]: 17: Hoare triple {743#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {743#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:36,964 INFO L290 TraceCheckUtils]: 18: Hoare triple {743#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {742#false} is VALID [2022-02-20 18:05:36,964 INFO L290 TraceCheckUtils]: 19: Hoare triple {742#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {742#false} is VALID [2022-02-20 18:05:36,964 INFO L272 TraceCheckUtils]: 20: Hoare triple {742#false} call __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical(); {741#true} is VALID [2022-02-20 18:05:36,965 INFO L290 TraceCheckUtils]: 21: Hoare triple {741#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {741#true} is VALID [2022-02-20 18:05:36,965 INFO L290 TraceCheckUtils]: 22: Hoare triple {741#true} assume true; {741#true} is VALID [2022-02-20 18:05:36,965 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {741#true} {742#false} #181#return; {742#false} is VALID [2022-02-20 18:05:36,965 INFO L290 TraceCheckUtils]: 24: Hoare triple {742#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46#1 && __utac_acc__Specification1_spec__1_#t~ret46#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; {742#false} is VALID [2022-02-20 18:05:36,966 INFO L290 TraceCheckUtils]: 25: Hoare triple {742#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {742#false} is VALID [2022-02-20 18:05:36,966 INFO L290 TraceCheckUtils]: 26: Hoare triple {742#false} __utac_acc__Specification1_spec__1_#t~ret47#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {742#false} is VALID [2022-02-20 18:05:36,966 INFO L290 TraceCheckUtils]: 27: Hoare triple {742#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {742#false} is VALID [2022-02-20 18:05:36,966 INFO L290 TraceCheckUtils]: 28: Hoare triple {742#false} assume !false; {742#false} is VALID [2022-02-20 18:05:36,966 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 18:05:36,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:36,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052682468] [2022-02-20 18:05:36,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052682468] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:36,967 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:36,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:36,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831652399] [2022-02-20 18:05:36,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:36,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:05:36,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:36,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:36,991 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 18:05:36,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:36,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:36,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:36,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:36,993 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:37,100 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2022-02-20 18:05:37,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:37,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:05:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-02-20 18:05:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-02-20 18:05:37,108 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2022-02-20 18:05:37,276 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:37,279 INFO L225 Difference]: With dead ends: 131 [2022-02-20 18:05:37,279 INFO L226 Difference]: Without dead ends: 89 [2022-02-20 18:05:37,280 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 18:05:37,281 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 52 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:37,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 111 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:37,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-02-20 18:05:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2022-02-20 18:05:37,289 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:37,290 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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 18:05:37,290 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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 18:05:37,291 INFO L87 Difference]: Start difference. First operand 89 states. Second operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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 18:05:37,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:37,294 INFO L93 Difference]: Finished difference Result 89 states and 110 transitions. [2022-02-20 18:05:37,294 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2022-02-20 18:05:37,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:37,295 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:37,295 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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 89 states. [2022-02-20 18:05:37,296 INFO L87 Difference]: Start difference. First operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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 89 states. [2022-02-20 18:05:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:37,299 INFO L93 Difference]: Finished difference Result 89 states and 110 transitions. [2022-02-20 18:05:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2022-02-20 18:05:37,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:37,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:37,300 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:37,300 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.328358208955224) internal successors, (89), 72 states have internal predecessors, (89), 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 18:05:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2022-02-20 18:05:37,303 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 29 [2022-02-20 18:05:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:37,303 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2022-02-20 18:05:37,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-02-20 18:05:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:05:37,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:37,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:37,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:05:37,305 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:37,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:37,306 INFO L85 PathProgramCache]: Analyzing trace with hash 106556984, now seen corresponding path program 1 times [2022-02-20 18:05:37,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:37,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117408205] [2022-02-20 18:05:37,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:37,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 18:05:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:37,372 INFO L290 TraceCheckUtils]: 0: Hoare triple {1225#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1225#true} is VALID [2022-02-20 18:05:37,372 INFO L290 TraceCheckUtils]: 1: Hoare triple {1225#true} assume true; {1225#true} is VALID [2022-02-20 18:05:37,373 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1225#true} {1227#(= ~pumpRunning~0 0)} #181#return; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {1225#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {1227#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,377 INFO L290 TraceCheckUtils]: 2: Hoare triple {1227#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,377 INFO L290 TraceCheckUtils]: 3: Hoare triple {1227#(= ~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~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,378 INFO L290 TraceCheckUtils]: 4: Hoare triple {1227#(= ~pumpRunning~0 0)} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret48#1 && main_#t~ret48#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,378 INFO L290 TraceCheckUtils]: 5: Hoare triple {1227#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,379 INFO L290 TraceCheckUtils]: 6: Hoare triple {1227#(= ~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; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,379 INFO L290 TraceCheckUtils]: 7: Hoare triple {1227#(= ~pumpRunning~0 0)} assume !false; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,380 INFO L290 TraceCheckUtils]: 8: Hoare triple {1227#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,380 INFO L290 TraceCheckUtils]: 9: Hoare triple {1227#(= ~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; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,380 INFO L290 TraceCheckUtils]: 10: Hoare triple {1227#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~0#1); {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,381 INFO L290 TraceCheckUtils]: 11: Hoare triple {1227#(= ~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; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,384 INFO L290 TraceCheckUtils]: 12: Hoare triple {1227#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {1227#(= ~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; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,388 INFO L290 TraceCheckUtils]: 14: Hoare triple {1227#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,389 INFO L290 TraceCheckUtils]: 15: Hoare triple {1227#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,389 INFO L272 TraceCheckUtils]: 16: Hoare triple {1227#(= ~pumpRunning~0 0)} call timeShift(); {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,390 INFO L290 TraceCheckUtils]: 17: Hoare triple {1227#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,390 INFO L290 TraceCheckUtils]: 18: Hoare triple {1227#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,391 INFO L290 TraceCheckUtils]: 19: Hoare triple {1227#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,391 INFO L290 TraceCheckUtils]: 20: Hoare triple {1227#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,392 INFO L272 TraceCheckUtils]: 21: Hoare triple {1227#(= ~pumpRunning~0 0)} call __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical(); {1225#true} is VALID [2022-02-20 18:05:37,392 INFO L290 TraceCheckUtils]: 22: Hoare triple {1225#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1225#true} is VALID [2022-02-20 18:05:37,392 INFO L290 TraceCheckUtils]: 23: Hoare triple {1225#true} assume true; {1225#true} is VALID [2022-02-20 18:05:37,393 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {1225#true} {1227#(= ~pumpRunning~0 0)} #181#return; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,393 INFO L290 TraceCheckUtils]: 25: Hoare triple {1227#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46#1 && __utac_acc__Specification1_spec__1_#t~ret46#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; {1227#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:37,394 INFO L290 TraceCheckUtils]: 26: Hoare triple {1227#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {1231#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:05:37,394 INFO L290 TraceCheckUtils]: 27: Hoare triple {1231#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification1_spec__1_#t~ret47#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {1232#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:05:37,395 INFO L290 TraceCheckUtils]: 28: Hoare triple {1232#(= |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; {1226#false} is VALID [2022-02-20 18:05:37,395 INFO L290 TraceCheckUtils]: 29: Hoare triple {1226#false} assume !false; {1226#false} is VALID [2022-02-20 18:05:37,396 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 18:05:37,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:37,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117408205] [2022-02-20 18:05:37,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117408205] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:37,396 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:37,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:05:37,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946793136] [2022-02-20 18:05:37,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:37,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:05:37,398 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:37,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,424 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:37,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:05:37,424 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:37,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:05:37,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:05:37,425 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:37,549 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2022-02-20 18:05:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:05:37,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:05:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2022-02-20 18:05:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2022-02-20 18:05:37,555 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 112 transitions. [2022-02-20 18:05:37,640 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:37,641 INFO L225 Difference]: With dead ends: 160 [2022-02-20 18:05:37,641 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:05:37,642 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 18:05:37,643 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 36 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 145 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 18:05:37,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:05:37,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:05:37,645 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:37,645 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 18:05:37,645 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 18:05:37,645 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 18:05:37,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:37,646 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:37,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:37,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:37,646 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 18:05:37,646 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 18:05:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:37,647 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:37,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:37,647 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:37,647 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:37,647 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:37,648 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 18:05:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:05:37,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-02-20 18:05:37,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:37,648 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:05:37,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:37,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:37,651 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:05:37,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:05:37,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:05:37,838 INFO L858 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2022-02-20 18:05:37,838 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 665 676) the Hoare annotation is: true [2022-02-20 18:05:37,838 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2022-02-20 18:05:37,838 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 677 685) the Hoare annotation is: true [2022-02-20 18:05:37,839 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 677 685) no Hoare annotation was computed. [2022-02-20 18:05:37,839 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 677 685) no Hoare annotation was computed. [2022-02-20 18:05:37,839 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2022-02-20 18:05:37,839 INFO L858 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed. [2022-02-20 18:05:37,839 INFO L861 garLoopResultBuilder]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2022-02-20 18:05:37,839 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true [2022-02-20 18:05:37,840 INFO L858 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2022-02-20 18:05:37,840 INFO L861 garLoopResultBuilder]: At program point L794-2(lines 794 808) the Hoare annotation is: true [2022-02-20 18:05:37,840 INFO L861 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: true [2022-02-20 18:05:37,840 INFO L858 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2022-02-20 18:05:37,840 INFO L861 garLoopResultBuilder]: At program point L809(lines 784 813) the Hoare annotation is: true [2022-02-20 18:05:37,840 INFO L858 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2022-02-20 18:05:37,840 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-02-20 18:05:37,841 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed. [2022-02-20 18:05:37,841 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed. [2022-02-20 18:05:37,841 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2022-02-20 18:05:37,841 INFO L854 garLoopResultBuilder]: At program point L645-2(lines 641 652) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-02-20 18:05:37,841 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed. [2022-02-20 18:05:37,842 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 778) no Hoare annotation was computed. [2022-02-20 18:05:37,842 INFO L861 garLoopResultBuilder]: At program point L765-1(lines 757 781) the Hoare annotation is: true [2022-02-20 18:05:37,842 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed. [2022-02-20 18:05:37,842 INFO L861 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2022-02-20 18:05:37,842 INFO L858 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2022-02-20 18:05:37,842 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-02-20 18:05:37,843 INFO L854 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-02-20 18:05:37,843 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 145 168) the Hoare annotation is: true [2022-02-20 18:05:37,843 INFO L861 garLoopResultBuilder]: At program point L173(lines 169 175) the Hoare annotation is: true [2022-02-20 18:05:37,843 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed. [2022-02-20 18:05:37,843 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-02-20 18:05:37,843 INFO L854 garLoopResultBuilder]: At program point L737(lines 733 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:37,844 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 872) no Hoare annotation was computed. [2022-02-20 18:05:37,844 INFO L854 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:37,844 INFO L858 garLoopResultBuilder]: For program point L865-2(lines 865 872) no Hoare annotation was computed. [2022-02-20 18:05:37,844 INFO L854 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:37,844 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-02-20 18:05:37,844 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-02-20 18:05:37,845 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2022-02-20 18:05:37,845 INFO L861 garLoopResultBuilder]: At program point L874(lines 855 877) the Hoare annotation is: true [2022-02-20 18:05:37,845 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:05:37,845 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:05:37,845 INFO L854 garLoopResultBuilder]: At program point L189(lines 184 191) the Hoare annotation is: false [2022-02-20 18:05:37,845 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:05:37,846 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:37,846 INFO L854 garLoopResultBuilder]: At program point L842(lines 838 844) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:37,846 INFO L854 garLoopResultBuilder]: At program point L260(lines 248 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:37,846 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:05:37,846 INFO L861 garLoopResultBuilder]: At program point L128(lines 65 132) the Hoare annotation is: true [2022-02-20 18:05:37,846 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2022-02-20 18:05:37,846 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2022-02-20 18:05:37,847 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2022-02-20 18:05:37,847 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 258) no Hoare annotation was computed. [2022-02-20 18:05:37,847 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 18:05:37,847 INFO L854 garLoopResultBuilder]: At program point L752(lines 747 755) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:37,847 INFO L854 garLoopResultBuilder]: At program point L744(lines 740 746) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:37,848 INFO L854 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2022-02-20 18:05:37,848 INFO L861 garLoopResultBuilder]: At program point L852(lines 845 854) the Hoare annotation is: true [2022-02-20 18:05:37,848 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-02-20 18:05:37,848 INFO L854 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:37,848 INFO L858 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2022-02-20 18:05:37,848 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2022-02-20 18:05:37,848 INFO L858 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2022-02-20 18:05:37,849 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2022-02-20 18:05:37,849 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 653 664) the Hoare annotation is: true [2022-02-20 18:05:37,852 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:05:37,853 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:05:37,856 WARN L170 areAnnotationChecker]: L669-1 has no Hoare annotation [2022-02-20 18:05:37,856 WARN L170 areAnnotationChecker]: L669-1 has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: L657-1 has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: L657-1 has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: L669-1 has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:37,857 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: L657-1 has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:05:37,858 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:05:37,859 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2022-02-20 18:05:37,859 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2022-02-20 18:05:37,859 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2022-02-20 18:05:37,859 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation [2022-02-20 18:05:37,860 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:05:37,860 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2022-02-20 18:05:37,860 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2022-02-20 18:05:37,860 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2022-02-20 18:05:37,860 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2022-02-20 18:05:37,861 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2022-02-20 18:05:37,861 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2022-02-20 18:05:37,861 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2022-02-20 18:05:37,861 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2022-02-20 18:05:37,866 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2022-02-20 18:05:37,867 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:37,867 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2022-02-20 18:05:37,867 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2022-02-20 18:05:37,867 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 18:05:37,867 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2022-02-20 18:05:37,868 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L865 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2022-02-20 18:05:37,869 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:37,870 WARN L170 areAnnotationChecker]: L805 has no Hoare annotation [2022-02-20 18:05:37,870 WARN L170 areAnnotationChecker]: L865-2 has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: L252-2 has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: L252-2 has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:37,871 WARN L170 areAnnotationChecker]: L865-2 has no Hoare annotation [2022-02-20 18:05:37,872 WARN L170 areAnnotationChecker]: L805 has no Hoare annotation [2022-02-20 18:05:37,872 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:37,872 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 18:05:37,872 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2022-02-20 18:05:37,872 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:37,872 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2022-02-20 18:05:37,873 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2022-02-20 18:05:37,873 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2022-02-20 18:05:37,873 WARN L170 areAnnotationChecker]: L85-1 has no Hoare annotation [2022-02-20 18:05:37,873 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:05:37,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:05:37 BoogieIcfgContainer [2022-02-20 18:05:37,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:05:37,884 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:05:37,884 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:05:37,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:05:37,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:35" (3/4) ... [2022-02-20 18:05:37,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:05:37,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:05:37,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:05:37,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:05:37,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:05:37,893 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:05:37,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-02-20 18:05:37,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:05:37,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:05:37,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:05:37,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:05:37,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:37,900 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:37,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-02-20 18:05:37,936 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:05:37,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:05:37,937 INFO L158 Benchmark]: Toolchain (without parser) took 3391.18ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.2MB in the beginning and 84.2MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:37,937 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:37,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.49ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 18:05:37,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 56.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:05:37,938 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 55.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:37,938 INFO L158 Benchmark]: RCFGBuilder took 512.11ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 70.1MB in the end (delta: -14.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-02-20 18:05:37,939 INFO L158 Benchmark]: TraceAbstraction took 2264.16ms. Allocated memory is still 113.2MB. Free memory was 91.0MB in the beginning and 88.4MB in the end (delta: 2.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-02-20 18:05:37,939 INFO L158 Benchmark]: Witness Printer took 51.80ms. Allocated memory is still 113.2MB. Free memory was 88.4MB in the beginning and 84.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:05:37,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.49ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 94.4MB. Free memory was 59.1MB in the beginning and 56.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 55.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.11ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 70.1MB in the end (delta: -14.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2264.16ms. Allocated memory is still 113.2MB. Free memory was 91.0MB in the beginning and 88.4MB in the end (delta: 2.7MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Witness Printer took 51.80ms. Allocated memory is still 113.2MB. Free memory was 88.4MB in the beginning and 84.2MB 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: 54]: 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, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 433 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 253 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 30 LocationsWithAnnotation, 114 PreInvPairs, 138 NumberOfFragments, 106 HoareAnnotationTreeSize, 114 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 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: 838]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:05:37,981 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