./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product20.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_product20.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 a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:06:01,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:06:01,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:06:01,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:06:01,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:06:01,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:06:01,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:06:01,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:06:01,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:06:01,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:06:01,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:06:01,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:06:01,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:06:01,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:06:01,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:06:01,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:06:01,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:06:01,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:06:01,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:06:01,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:06:01,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:06:01,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:06:01,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:06:01,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:06:01,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:06:01,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:06:01,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:06:01,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:06:01,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:06:01,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:06:01,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:06:01,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:06:01,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:06:01,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:06:01,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:06:01,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:06:01,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:06:01,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:06:01,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:06:01,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:06:01,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:06:01,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:06:01,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:06:01,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:06:01,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:06:01,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:06:01,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:06:01,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:06:01,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:06:01,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:06:01,792 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:06:01,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:06:01,793 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:06:01,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:06:01,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:06:01,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:06:01,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:06:01,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:06:01,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:06:01,794 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:06:01,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:06:01,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:06:01,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:06:01,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:06:01,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:06:01,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:06:01,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:06:01,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:06:01,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:06:01,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:06:01,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:06:01,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:06:01,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:06:01,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:06:01,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:06:01,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2022-02-20 18:06:02,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:06:02,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:06:02,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:06:02,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:06:02,041 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:06:02,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2022-02-20 18:06:02,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff1a5686/9c4d9cc53d8c4881b9fcc2675ad65549/FLAG6d029b54f [2022-02-20 18:06:02,544 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:06:02,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2022-02-20 18:06:02,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff1a5686/9c4d9cc53d8c4881b9fcc2675ad65549/FLAG6d029b54f [2022-02-20 18:06:02,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff1a5686/9c4d9cc53d8c4881b9fcc2675ad65549 [2022-02-20 18:06:02,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:06:02,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:06:02,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:06:02,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:06:02,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:06:02,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:06:02" (1/1) ... [2022-02-20 18:06:02,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d2ebf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:02, skipping insertion in model container [2022-02-20 18:06:02,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:06:02" (1/1) ... [2022-02-20 18:06:02,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:06:02,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:06:03,032 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_product20.cil.c[1605,1618] [2022-02-20 18:06:03,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:06:03,192 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:06:03,203 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_product20.cil.c[1605,1618] [2022-02-20 18:06:03,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:06:03,260 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:06:03,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03 WrapperNode [2022-02-20 18:06:03,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:06:03,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:06:03,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:06:03,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:06:03,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,307 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 219 [2022-02-20 18:06:03,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:06:03,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:06:03,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:06:03,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:06:03,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:06:03,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:06:03,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:06:03,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:06:03,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (1/1) ... [2022-02-20 18:06:03,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:06:03,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:06:03,403 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 18:06:03,405 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 18:06:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:06:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-02-20 18:06:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-02-20 18:06:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:06:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:06:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:06:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:06:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:06:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:06:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:06:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:06:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-02-20 18:06:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-02-20 18:06:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:06:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:06:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:06:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:06:03,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:06:03,500 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:06:03,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:06:03,827 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:06:03,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:06:03,835 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:06:03,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:06:03 BoogieIcfgContainer [2022-02-20 18:06:03,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:06:03,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:06:03,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:06:03,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:06:03,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:06:02" (1/3) ... [2022-02-20 18:06:03,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b45e62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:06:03, skipping insertion in model container [2022-02-20 18:06:03,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:06:03" (2/3) ... [2022-02-20 18:06:03,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b45e62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:06:03, skipping insertion in model container [2022-02-20 18:06:03,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:06:03" (3/3) ... [2022-02-20 18:06:03,845 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2022-02-20 18:06:03,849 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:06:03,849 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:06:03,887 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:06:03,893 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 18:06:03,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:06:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 18:06:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 18:06:03,923 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:06:03,924 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 18:06:03,924 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:06:03,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:06:03,933 INFO L85 PathProgramCache]: Analyzing trace with hash 253223704, now seen corresponding path program 1 times [2022-02-20 18:06:03,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:06:03,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873258898] [2022-02-20 18:06:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:06:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:06:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:06:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:04,235 INFO L290 TraceCheckUtils]: 0: Hoare triple {84#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {84#true} is VALID [2022-02-20 18:06:04,236 INFO L290 TraceCheckUtils]: 1: Hoare triple {84#true} assume true; {84#true} is VALID [2022-02-20 18:06:04,237 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {84#true} {85#false} #211#return; {85#false} is VALID [2022-02-20 18:06:04,242 INFO L290 TraceCheckUtils]: 0: Hoare triple {84#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {84#true} is VALID [2022-02-20 18:06:04,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {84#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {84#true} is VALID [2022-02-20 18:06:04,244 INFO L290 TraceCheckUtils]: 2: Hoare triple {84#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {84#true} is VALID [2022-02-20 18:06:04,244 INFO L290 TraceCheckUtils]: 3: Hoare triple {84#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; {84#true} is VALID [2022-02-20 18:06:04,245 INFO L290 TraceCheckUtils]: 4: Hoare triple {84#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {84#true} is VALID [2022-02-20 18:06:04,245 INFO L290 TraceCheckUtils]: 5: Hoare triple {84#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {84#true} is VALID [2022-02-20 18:06:04,245 INFO L290 TraceCheckUtils]: 6: Hoare triple {84#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {84#true} is VALID [2022-02-20 18:06:04,246 INFO L290 TraceCheckUtils]: 7: Hoare triple {84#true} assume false; {85#false} is VALID [2022-02-20 18:06:04,247 INFO L272 TraceCheckUtils]: 8: Hoare triple {85#false} call cleanup(); {85#false} is VALID [2022-02-20 18:06:04,247 INFO L290 TraceCheckUtils]: 9: Hoare triple {85#false} havoc ~i~0;havoc ~__cil_tmp2~0; {85#false} is VALID [2022-02-20 18:06:04,247 INFO L272 TraceCheckUtils]: 10: Hoare triple {85#false} call timeShift(); {85#false} is VALID [2022-02-20 18:06:04,247 INFO L290 TraceCheckUtils]: 11: Hoare triple {85#false} assume !(0 != ~pumpRunning~0); {85#false} is VALID [2022-02-20 18:06:04,248 INFO L290 TraceCheckUtils]: 12: Hoare triple {85#false} assume !(0 != ~systemActive~0); {85#false} is VALID [2022-02-20 18:06:04,248 INFO L290 TraceCheckUtils]: 13: Hoare triple {85#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1; {85#false} is VALID [2022-02-20 18:06:04,248 INFO L272 TraceCheckUtils]: 14: Hoare triple {85#false} call __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical(); {84#true} is VALID [2022-02-20 18:06:04,248 INFO L290 TraceCheckUtils]: 15: Hoare triple {84#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {84#true} is VALID [2022-02-20 18:06:04,249 INFO L290 TraceCheckUtils]: 16: Hoare triple {84#true} assume true; {84#true} is VALID [2022-02-20 18:06:04,249 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {84#true} {85#false} #211#return; {85#false} is VALID [2022-02-20 18:06:04,249 INFO L290 TraceCheckUtils]: 18: Hoare triple {85#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret49#1 && __utac_acc__Specification1_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; {85#false} is VALID [2022-02-20 18:06:04,249 INFO L290 TraceCheckUtils]: 19: Hoare triple {85#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {85#false} is VALID [2022-02-20 18:06:04,250 INFO L290 TraceCheckUtils]: 20: Hoare triple {85#false} __utac_acc__Specification1_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret50#1 && __utac_acc__Specification1_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2#1 := __utac_acc__Specification1_spec__1_#t~ret50#1;havoc __utac_acc__Specification1_spec__1_#t~ret50#1; {85#false} is VALID [2022-02-20 18:06:04,251 INFO L290 TraceCheckUtils]: 21: Hoare triple {85#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {85#false} is VALID [2022-02-20 18:06:04,252 INFO L290 TraceCheckUtils]: 22: Hoare triple {85#false} assume !false; {85#false} is VALID [2022-02-20 18:06:04,252 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 18:06:04,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:06:04,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873258898] [2022-02-20 18:06:04,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873258898] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:06:04,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:06:04,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:06:04,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860176151] [2022-02-20 18:06:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:06:04,265 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 18:06:04,266 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:06:04,270 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 18:06:04,312 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 18:06:04,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:06:04,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:06:04,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:06:04,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:06:04,340 INFO L87 Difference]: Start difference. First operand has 81 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 68 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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 18:06:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:04,473 INFO L93 Difference]: Finished difference Result 154 states and 207 transitions. [2022-02-20 18:06:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:06:04,474 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 18:06:04,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:06:04,475 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 18:06:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2022-02-20 18:06:04,487 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 18:06:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2022-02-20 18:06:04,495 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 207 transitions. [2022-02-20 18:06:04,662 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 207 edges. 207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:06:04,672 INFO L225 Difference]: With dead ends: 154 [2022-02-20 18:06:04,672 INFO L226 Difference]: Without dead ends: 72 [2022-02-20 18:06:04,675 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 18:06:04,678 INFO L933 BasicCegarLoop]: 100 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, 100 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 18:06:04,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:06:04,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-02-20 18:06:04,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-02-20 18:06:04,710 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:06:04,712 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:06:04,716 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:06:04,720 INFO L87 Difference]: Start difference. First operand 72 states. Second operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:06:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:04,739 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2022-02-20 18:06:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-02-20 18:06:04,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:04,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:04,743 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand 72 states. [2022-02-20 18:06:04,744 INFO L87 Difference]: Start difference. First operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand 72 states. [2022-02-20 18:06:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:04,750 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2022-02-20 18:06:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-02-20 18:06:04,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:04,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:04,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:06:04,752 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:06:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-02-20 18:06:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-02-20 18:06:04,758 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 23 [2022-02-20 18:06:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:06:04,758 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-02-20 18:06:04,759 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 18:06:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-02-20 18:06:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 18:06:04,761 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:06:04,761 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 18:06:04,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:06:04,761 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:06:04,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:06:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash 981629421, now seen corresponding path program 1 times [2022-02-20 18:06:04,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:06:04,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472194216] [2022-02-20 18:06:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:06:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:06:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:06:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:04,855 INFO L290 TraceCheckUtils]: 0: Hoare triple {562#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {562#true} is VALID [2022-02-20 18:06:04,856 INFO L290 TraceCheckUtils]: 1: Hoare triple {562#true} assume true; {562#true} is VALID [2022-02-20 18:06:04,856 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {562#true} {563#false} #211#return; {563#false} is VALID [2022-02-20 18:06:04,856 INFO L290 TraceCheckUtils]: 0: Hoare triple {562#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {562#true} is VALID [2022-02-20 18:06:04,857 INFO L290 TraceCheckUtils]: 1: Hoare triple {562#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {562#true} is VALID [2022-02-20 18:06:04,857 INFO L290 TraceCheckUtils]: 2: Hoare triple {562#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {562#true} is VALID [2022-02-20 18:06:04,857 INFO L290 TraceCheckUtils]: 3: Hoare triple {562#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; {562#true} is VALID [2022-02-20 18:06:04,858 INFO L290 TraceCheckUtils]: 4: Hoare triple {562#true} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {562#true} is VALID [2022-02-20 18:06:04,858 INFO L290 TraceCheckUtils]: 5: Hoare triple {562#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {562#true} is VALID [2022-02-20 18:06:04,859 INFO L290 TraceCheckUtils]: 6: Hoare triple {562#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {564#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:06:04,859 INFO L290 TraceCheckUtils]: 7: Hoare triple {564#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {564#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:06:04,860 INFO L290 TraceCheckUtils]: 8: Hoare triple {564#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {563#false} is VALID [2022-02-20 18:06:04,860 INFO L272 TraceCheckUtils]: 9: Hoare triple {563#false} call cleanup(); {563#false} is VALID [2022-02-20 18:06:04,861 INFO L290 TraceCheckUtils]: 10: Hoare triple {563#false} havoc ~i~0;havoc ~__cil_tmp2~0; {563#false} is VALID [2022-02-20 18:06:04,861 INFO L272 TraceCheckUtils]: 11: Hoare triple {563#false} call timeShift(); {563#false} is VALID [2022-02-20 18:06:04,861 INFO L290 TraceCheckUtils]: 12: Hoare triple {563#false} assume !(0 != ~pumpRunning~0); {563#false} is VALID [2022-02-20 18:06:04,861 INFO L290 TraceCheckUtils]: 13: Hoare triple {563#false} assume !(0 != ~systemActive~0); {563#false} is VALID [2022-02-20 18:06:04,862 INFO L290 TraceCheckUtils]: 14: Hoare triple {563#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1; {563#false} is VALID [2022-02-20 18:06:04,862 INFO L272 TraceCheckUtils]: 15: Hoare triple {563#false} call __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical(); {562#true} is VALID [2022-02-20 18:06:04,862 INFO L290 TraceCheckUtils]: 16: Hoare triple {562#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {562#true} is VALID [2022-02-20 18:06:04,863 INFO L290 TraceCheckUtils]: 17: Hoare triple {562#true} assume true; {562#true} is VALID [2022-02-20 18:06:04,863 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {562#true} {563#false} #211#return; {563#false} is VALID [2022-02-20 18:06:04,863 INFO L290 TraceCheckUtils]: 19: Hoare triple {563#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret49#1 && __utac_acc__Specification1_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; {563#false} is VALID [2022-02-20 18:06:04,866 INFO L290 TraceCheckUtils]: 20: Hoare triple {563#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {563#false} is VALID [2022-02-20 18:06:04,867 INFO L290 TraceCheckUtils]: 21: Hoare triple {563#false} __utac_acc__Specification1_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret50#1 && __utac_acc__Specification1_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2#1 := __utac_acc__Specification1_spec__1_#t~ret50#1;havoc __utac_acc__Specification1_spec__1_#t~ret50#1; {563#false} is VALID [2022-02-20 18:06:04,867 INFO L290 TraceCheckUtils]: 22: Hoare triple {563#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {563#false} is VALID [2022-02-20 18:06:04,867 INFO L290 TraceCheckUtils]: 23: Hoare triple {563#false} assume !false; {563#false} is VALID [2022-02-20 18:06:04,868 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 18:06:04,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:06:04,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472194216] [2022-02-20 18:06:04,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472194216] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:06:04,869 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:06:04,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:06:04,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761750374] [2022-02-20 18:06:04,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:06:04,872 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 18:06:04,872 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:06:04,873 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 18:06:04,896 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 18:06:04,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:06:04,897 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:06:04,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:06:04,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:06:04,898 INFO L87 Difference]: Start difference. First operand 72 states and 91 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 18:06:05,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:05,018 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2022-02-20 18:06:05,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:06:05,019 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 18:06:05,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:06:05,020 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 18:06:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2022-02-20 18:06:05,031 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 18:06:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2022-02-20 18:06:05,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 131 transitions. [2022-02-20 18:06:05,155 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:06:05,160 INFO L225 Difference]: With dead ends: 105 [2022-02-20 18:06:05,160 INFO L226 Difference]: Without dead ends: 63 [2022-02-20 18:06:05,161 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 18:06:05,162 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 134 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 18:06:05,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:06:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-02-20 18:06:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-02-20 18:06:05,169 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:06:05,169 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:06:05,170 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:06:05,170 INFO L87 Difference]: Start difference. First operand 63 states. Second operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:06:05,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:05,174 INFO L93 Difference]: Finished difference Result 63 states and 79 transitions. [2022-02-20 18:06:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-02-20 18:06:05,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:05,175 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:05,175 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand 63 states. [2022-02-20 18:06:05,176 INFO L87 Difference]: Start difference. First operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand 63 states. [2022-02-20 18:06:05,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:05,179 INFO L93 Difference]: Finished difference Result 63 states and 79 transitions. [2022-02-20 18:06:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-02-20 18:06:05,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:05,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:05,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:06:05,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:06:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3125) internal successors, (63), 54 states have internal predecessors, (63), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:06:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-02-20 18:06:05,183 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 24 [2022-02-20 18:06:05,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:06:05,184 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-02-20 18:06:05,184 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 18:06:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-02-20 18:06:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 18:06:05,185 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:06:05,185 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 18:06:05,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:06:05,185 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:06:05,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:06:05,186 INFO L85 PathProgramCache]: Analyzing trace with hash 826577867, now seen corresponding path program 1 times [2022-02-20 18:06:05,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:06:05,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837338225] [2022-02-20 18:06:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:06:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:06:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:06:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:05,286 INFO L290 TraceCheckUtils]: 0: Hoare triple {937#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {937#true} is VALID [2022-02-20 18:06:05,286 INFO L290 TraceCheckUtils]: 1: Hoare triple {937#true} assume true; {937#true} is VALID [2022-02-20 18:06:05,286 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {937#true} {938#false} #211#return; {938#false} is VALID [2022-02-20 18:06:05,287 INFO L290 TraceCheckUtils]: 0: Hoare triple {937#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {937#true} is VALID [2022-02-20 18:06:05,287 INFO L290 TraceCheckUtils]: 1: Hoare triple {937#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {937#true} is VALID [2022-02-20 18:06:05,287 INFO L290 TraceCheckUtils]: 2: Hoare triple {937#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {937#true} is VALID [2022-02-20 18:06:05,288 INFO L290 TraceCheckUtils]: 3: Hoare triple {937#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; {939#(= |ULTIMATE.start_valid_product_#res#1| 1)} is VALID [2022-02-20 18:06:05,289 INFO L290 TraceCheckUtils]: 4: Hoare triple {939#(= |ULTIMATE.start_valid_product_#res#1| 1)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {940#(= |ULTIMATE.start_main_~tmp~0#1| 1)} is VALID [2022-02-20 18:06:05,289 INFO L290 TraceCheckUtils]: 5: Hoare triple {940#(= |ULTIMATE.start_main_~tmp~0#1| 1)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {937#true} is VALID [2022-02-20 18:06:05,289 INFO L290 TraceCheckUtils]: 6: Hoare triple {937#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {937#true} is VALID [2022-02-20 18:06:05,289 INFO L290 TraceCheckUtils]: 7: Hoare triple {937#true} assume !false; {937#true} is VALID [2022-02-20 18:06:05,289 INFO L290 TraceCheckUtils]: 8: Hoare triple {937#true} assume test_~splverifierCounter~0#1 < 4; {937#true} is VALID [2022-02-20 18:06:05,290 INFO L290 TraceCheckUtils]: 9: Hoare triple {937#true} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {937#true} is VALID [2022-02-20 18:06:05,290 INFO L290 TraceCheckUtils]: 10: Hoare triple {937#true} assume !(0 != test_~tmp~1#1); {937#true} is VALID [2022-02-20 18:06:05,290 INFO L290 TraceCheckUtils]: 11: Hoare triple {937#true} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {937#true} is VALID [2022-02-20 18:06:05,290 INFO L290 TraceCheckUtils]: 12: Hoare triple {937#true} assume !(0 != test_~tmp___0~0#1); {937#true} is VALID [2022-02-20 18:06:05,291 INFO L290 TraceCheckUtils]: 13: Hoare triple {937#true} assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {937#true} is VALID [2022-02-20 18:06:05,291 INFO L290 TraceCheckUtils]: 14: Hoare triple {937#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {941#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:06:05,292 INFO L290 TraceCheckUtils]: 15: Hoare triple {941#(not (= 0 ~systemActive~0))} assume { :end_inline_startSystem } true; {941#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:06:05,292 INFO L272 TraceCheckUtils]: 16: Hoare triple {941#(not (= 0 ~systemActive~0))} call timeShift(); {941#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:06:05,293 INFO L290 TraceCheckUtils]: 17: Hoare triple {941#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {941#(not (= 0 ~systemActive~0))} is VALID [2022-02-20 18:06:05,293 INFO L290 TraceCheckUtils]: 18: Hoare triple {941#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {938#false} is VALID [2022-02-20 18:06:05,294 INFO L290 TraceCheckUtils]: 19: Hoare triple {938#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1; {938#false} is VALID [2022-02-20 18:06:05,294 INFO L272 TraceCheckUtils]: 20: Hoare triple {938#false} call __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical(); {937#true} is VALID [2022-02-20 18:06:05,294 INFO L290 TraceCheckUtils]: 21: Hoare triple {937#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {937#true} is VALID [2022-02-20 18:06:05,294 INFO L290 TraceCheckUtils]: 22: Hoare triple {937#true} assume true; {937#true} is VALID [2022-02-20 18:06:05,295 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {937#true} {938#false} #211#return; {938#false} is VALID [2022-02-20 18:06:05,295 INFO L290 TraceCheckUtils]: 24: Hoare triple {938#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret49#1 && __utac_acc__Specification1_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; {938#false} is VALID [2022-02-20 18:06:05,295 INFO L290 TraceCheckUtils]: 25: Hoare triple {938#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {938#false} is VALID [2022-02-20 18:06:05,295 INFO L290 TraceCheckUtils]: 26: Hoare triple {938#false} __utac_acc__Specification1_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret50#1 && __utac_acc__Specification1_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2#1 := __utac_acc__Specification1_spec__1_#t~ret50#1;havoc __utac_acc__Specification1_spec__1_#t~ret50#1; {938#false} is VALID [2022-02-20 18:06:05,295 INFO L290 TraceCheckUtils]: 27: Hoare triple {938#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {938#false} is VALID [2022-02-20 18:06:05,296 INFO L290 TraceCheckUtils]: 28: Hoare triple {938#false} assume !false; {938#false} is VALID [2022-02-20 18:06:05,296 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 18:06:05,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:06:05,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837338225] [2022-02-20 18:06:05,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837338225] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:06:05,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:06:05,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:06:05,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967110335] [2022-02-20 18:06:05,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:06:05,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:06:05,298 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:06:05,299 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:06:05,321 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 18:06:05,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:06:05,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:06:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:06:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:06:05,323 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:06:05,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:05,567 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2022-02-20 18:06:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 18:06:05,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:06:05,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:06:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:06:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 206 transitions. [2022-02-20 18:06:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:06:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 206 transitions. [2022-02-20 18:06:05,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 206 transitions. [2022-02-20 18:06:05,752 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:06:05,756 INFO L225 Difference]: With dead ends: 161 [2022-02-20 18:06:05,756 INFO L226 Difference]: Without dead ends: 105 [2022-02-20 18:06:05,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 18:06:05,758 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:06:05,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 273 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:06:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-02-20 18:06:05,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2022-02-20 18:06:05,767 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:06:05,768 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-02-20 18:06:05,769 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-02-20 18:06:05,769 INFO L87 Difference]: Start difference. First operand 105 states. Second operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-02-20 18:06:05,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:05,773 INFO L93 Difference]: Finished difference Result 105 states and 132 transitions. [2022-02-20 18:06:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2022-02-20 18:06:05,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:05,774 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:05,775 INFO L74 IsIncluded]: Start isIncluded. First operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) Second operand 105 states. [2022-02-20 18:06:05,775 INFO L87 Difference]: Start difference. First operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) Second operand 105 states. [2022-02-20 18:06:05,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:05,779 INFO L93 Difference]: Finished difference Result 105 states and 132 transitions. [2022-02-20 18:06:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2022-02-20 18:06:05,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:05,780 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:05,780 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:06:05,780 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:06:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 86 states have internal predecessors, (103), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-02-20 18:06:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 130 transitions. [2022-02-20 18:06:05,785 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 130 transitions. Word has length 29 [2022-02-20 18:06:05,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:06:05,785 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 130 transitions. [2022-02-20 18:06:05,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:06:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2022-02-20 18:06:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 18:06:05,786 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:06:05,787 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, 1, 1] [2022-02-20 18:06:05,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:06:05,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:06:05,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:06:05,788 INFO L85 PathProgramCache]: Analyzing trace with hash -166090445, now seen corresponding path program 1 times [2022-02-20 18:06:05,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:06:05,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842591121] [2022-02-20 18:06:05,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:06:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:06:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 18:06:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:06:05,857 INFO L290 TraceCheckUtils]: 0: Hoare triple {1533#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {1533#true} is VALID [2022-02-20 18:06:05,857 INFO L290 TraceCheckUtils]: 1: Hoare triple {1533#true} assume true; {1533#true} is VALID [2022-02-20 18:06:05,858 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1533#true} {1535#(= ~pumpRunning~0 0)} #211#return; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,858 INFO L290 TraceCheckUtils]: 0: Hoare triple {1533#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,859 INFO L290 TraceCheckUtils]: 1: Hoare triple {1535#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,859 INFO L290 TraceCheckUtils]: 2: Hoare triple {1535#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,860 INFO L290 TraceCheckUtils]: 3: Hoare triple {1535#(= ~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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,860 INFO L290 TraceCheckUtils]: 4: Hoare triple {1535#(= ~pumpRunning~0 0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret4#1 && main_#t~ret4#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,861 INFO L290 TraceCheckUtils]: 5: Hoare triple {1535#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,861 INFO L290 TraceCheckUtils]: 6: Hoare triple {1535#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,861 INFO L290 TraceCheckUtils]: 7: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !false; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,862 INFO L290 TraceCheckUtils]: 8: Hoare triple {1535#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,862 INFO L290 TraceCheckUtils]: 9: Hoare triple {1535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet5#1 && test_#t~nondet5#1 <= 2147483647;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,863 INFO L290 TraceCheckUtils]: 10: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~1#1); {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,863 INFO L290 TraceCheckUtils]: 11: Hoare triple {1535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet6#1 && test_#t~nondet6#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,864 INFO L290 TraceCheckUtils]: 12: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {1535#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet7#1 && test_#t~nondet7#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,864 INFO L290 TraceCheckUtils]: 14: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet8#1 && test_#t~nondet8#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,865 INFO L290 TraceCheckUtils]: 15: Hoare triple {1535#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___1~0#1;assume { :begin_inline_stopSystem } true; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,865 INFO L290 TraceCheckUtils]: 16: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,866 INFO L290 TraceCheckUtils]: 17: Hoare triple {1535#(= ~pumpRunning~0 0)} ~systemActive~0 := 0; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,866 INFO L290 TraceCheckUtils]: 18: Hoare triple {1535#(= ~pumpRunning~0 0)} assume { :end_inline_stopSystem } true; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,867 INFO L272 TraceCheckUtils]: 19: Hoare triple {1535#(= ~pumpRunning~0 0)} call timeShift(); {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,867 INFO L290 TraceCheckUtils]: 20: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,868 INFO L290 TraceCheckUtils]: 21: Hoare triple {1535#(= ~pumpRunning~0 0)} assume !(0 != ~systemActive~0); {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,868 INFO L290 TraceCheckUtils]: 22: Hoare triple {1535#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,868 INFO L272 TraceCheckUtils]: 23: Hoare triple {1535#(= ~pumpRunning~0 0)} call __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical(); {1533#true} is VALID [2022-02-20 18:06:05,869 INFO L290 TraceCheckUtils]: 24: Hoare triple {1533#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~methaneLevelCritical~0;#res := ~retValue_acc~4; {1533#true} is VALID [2022-02-20 18:06:05,869 INFO L290 TraceCheckUtils]: 25: Hoare triple {1533#true} assume true; {1533#true} is VALID [2022-02-20 18:06:05,869 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1533#true} {1535#(= ~pumpRunning~0 0)} #211#return; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,870 INFO L290 TraceCheckUtils]: 27: Hoare triple {1535#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret49#1 && __utac_acc__Specification1_spec__1_#t~ret49#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; {1535#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:06:05,870 INFO L290 TraceCheckUtils]: 28: Hoare triple {1535#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~2#1;havoc isPumpRunning_~retValue_acc~2#1;isPumpRunning_~retValue_acc~2#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~2#1; {1539#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:06:05,871 INFO L290 TraceCheckUtils]: 29: Hoare triple {1539#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification1_spec__1_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret50#1 && __utac_acc__Specification1_spec__1_#t~ret50#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2#1 := __utac_acc__Specification1_spec__1_#t~ret50#1;havoc __utac_acc__Specification1_spec__1_#t~ret50#1; {1540#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~2#1| 0)} is VALID [2022-02-20 18:06:05,873 INFO L290 TraceCheckUtils]: 30: Hoare triple {1540#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~2#1| 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline___automaton_fail } true; {1534#false} is VALID [2022-02-20 18:06:05,873 INFO L290 TraceCheckUtils]: 31: Hoare triple {1534#false} assume !false; {1534#false} is VALID [2022-02-20 18:06:05,873 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 18:06:05,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:06:05,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842591121] [2022-02-20 18:06:05,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842591121] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:06:05,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:06:05,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:06:05,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749319777] [2022-02-20 18:06:05,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:06:05,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2022-02-20 18:06:05,885 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:06:05,885 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 18:06:05,911 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:06:05,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:06:05,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:06:05,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:06:05,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:06:05,913 INFO L87 Difference]: Start difference. First operand 102 states and 130 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 18:06:06,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:06,060 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2022-02-20 18:06:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:06:06,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2022-02-20 18:06:06,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:06:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 18:06:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2022-02-20 18:06:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 18:06:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2022-02-20 18:06:06,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 136 transitions. [2022-02-20 18:06:06,163 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:06:06,163 INFO L225 Difference]: With dead ends: 182 [2022-02-20 18:06:06,163 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:06:06,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 18:06:06,166 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:06:06,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:06:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:06:06,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:06:06,167 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:06:06,167 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 18:06:06,168 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 18:06:06,168 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 18:06:06,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:06,168 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:06:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:06:06,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:06,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:06,169 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 18:06:06,169 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 18:06:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:06:06,170 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:06:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:06:06,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:06,170 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:06:06,170 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:06:06,170 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:06:06,171 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 18:06:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:06:06,171 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-02-20 18:06:06,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:06:06,171 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:06:06,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 18:06:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:06:06,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:06:06,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:06:06,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:06:06,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:06:06,458 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 310 317) the Hoare annotation is: true [2022-02-20 18:06:06,458 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 310 317) no Hoare annotation was computed. [2022-02-20 18:06:06,458 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 310 317) no Hoare annotation was computed. [2022-02-20 18:06:06,458 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 269 275) no Hoare annotation was computed. [2022-02-20 18:06:06,458 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 269 275) the Hoare annotation is: true [2022-02-20 18:06:06,458 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 444 455) no Hoare annotation was computed. [2022-02-20 18:06:06,458 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: true [2022-02-20 18:06:06,459 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2022-02-20 18:06:06,459 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2022-02-20 18:06:06,459 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 456 464) no Hoare annotation was computed. [2022-02-20 18:06:06,459 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2022-02-20 18:06:06,459 INFO L854 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:06:06,459 INFO L854 garLoopResultBuilder]: At program point L502(lines 497 505) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:06:06,459 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2022-02-20 18:06:06,459 INFO L854 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-02-20 18:06:06,460 INFO L854 garLoopResultBuilder]: At program point L296-1(lines 277 301) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 245 268) no Hoare annotation was computed. [2022-02-20 18:06:06,460 INFO L854 garLoopResultBuilder]: At program point L424-2(lines 420 431) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point L916(lines 916 929) no Hoare annotation was computed. [2022-02-20 18:06:06,460 INFO L854 garLoopResultBuilder]: At program point L916-1(lines 908 932) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:06:06,460 INFO L854 garLoopResultBuilder]: At program point L334(lines 329 337) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point L256-1(lines 256 262) no Hoare annotation was computed. [2022-02-20 18:06:06,460 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 293) no Hoare annotation was computed. [2022-02-20 18:06:06,461 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 298) no Hoare annotation was computed. [2022-02-20 18:06:06,461 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-02-20 18:06:06,461 INFO L854 garLoopResultBuilder]: At program point L389(lines 374 392) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:06:06,461 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 248 267) no Hoare annotation was computed. [2022-02-20 18:06:06,461 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:06:06,461 INFO L854 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:06:06,461 INFO L858 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2022-02-20 18:06:06,461 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 245 268) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-02-20 18:06:06,461 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 245 268) no Hoare annotation was computed. [2022-02-20 18:06:06,462 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-02-20 18:06:06,462 INFO L854 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-02-20 18:06:06,462 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2022-02-20 18:06:06,462 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 61 90) the Hoare annotation is: true [2022-02-20 18:06:06,462 INFO L861 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2022-02-20 18:06:06,462 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-02-20 18:06:06,462 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-02-20 18:06:06,462 INFO L861 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2022-02-20 18:06:06,464 INFO L858 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2022-02-20 18:06:06,464 INFO L861 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2022-02-20 18:06:06,464 INFO L861 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2022-02-20 18:06:06,464 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-02-20 18:06:06,464 INFO L854 garLoopResultBuilder]: At program point L225(lines 174 226) the Hoare annotation is: false [2022-02-20 18:06:06,464 INFO L854 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:06:06,465 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-02-20 18:06:06,465 INFO L854 garLoopResultBuilder]: At program point L213-2(lines 205 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:06:06,465 INFO L858 garLoopResultBuilder]: For program point L176(lines 175 224) no Hoare annotation was computed. [2022-02-20 18:06:06,465 INFO L854 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: false [2022-02-20 18:06:06,465 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 220) no Hoare annotation was computed. [2022-02-20 18:06:06,466 INFO L854 garLoopResultBuilder]: At program point L903(lines 898 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-02-20 18:06:06,466 INFO L854 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:06:06,466 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:06:06,466 INFO L854 garLoopResultBuilder]: At program point L895(lines 891 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:06:06,466 INFO L854 garLoopResultBuilder]: At program point L222(lines 175 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:06:06,466 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:06:06,467 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:06:06,467 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2022-02-20 18:06:06,467 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-02-20 18:06:06,467 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2022-02-20 18:06:06,467 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:06:06,467 INFO L854 garLoopResultBuilder]: At program point L413(lines 408 415) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:06:06,467 INFO L854 garLoopResultBuilder]: At program point L888(lines 884 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-02-20 18:06:06,468 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 156) no Hoare annotation was computed. [2022-02-20 18:06:06,468 INFO L854 garLoopResultBuilder]: At program point L405(lines 393 407) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:06:06,468 INFO L858 garLoopResultBuilder]: For program point L149-2(lines 149 156) no Hoare annotation was computed. [2022-02-20 18:06:06,468 INFO L858 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2022-02-20 18:06:06,468 INFO L858 garLoopResultBuilder]: For program point L397-1(lines 397 403) no Hoare annotation was computed. [2022-02-20 18:06:06,468 INFO L861 garLoopResultBuilder]: At program point L133(lines 126 135) the Hoare annotation is: true [2022-02-20 18:06:06,469 INFO L861 garLoopResultBuilder]: At program point L228(lines 165 232) the Hoare annotation is: true [2022-02-20 18:06:06,469 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2022-02-20 18:06:06,469 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2022-02-20 18:06:06,469 INFO L861 garLoopResultBuilder]: At program point L158(lines 139 161) the Hoare annotation is: true [2022-02-20 18:06:06,469 INFO L854 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:06:06,469 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2022-02-20 18:06:06,469 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: true [2022-02-20 18:06:06,470 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 432 443) no Hoare annotation was computed. [2022-02-20 18:06:06,477 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:06:06,478 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: L448-1 has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: L448-1 has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: L424 has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:06:06,481 WARN L170 areAnnotationChecker]: L436-1 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L436-1 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L448-1 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L424 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L424 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2022-02-20 18:06:06,482 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2022-02-20 18:06:06,485 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:06:06,485 WARN L170 areAnnotationChecker]: L436-1 has no Hoare annotation [2022-02-20 18:06:06,485 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2022-02-20 18:06:06,485 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2022-02-20 18:06:06,485 WARN L170 areAnnotationChecker]: L256-1 has no Hoare annotation [2022-02-20 18:06:06,485 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:06:06,486 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:06:06,486 WARN L170 areAnnotationChecker]: L249-1 has no Hoare annotation [2022-02-20 18:06:06,486 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2022-02-20 18:06:06,486 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2022-02-20 18:06:06,486 WARN L170 areAnnotationChecker]: L256-1 has no Hoare annotation [2022-02-20 18:06:06,486 WARN L170 areAnnotationChecker]: L67-1 has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: L397-1 has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: L195-1 has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: L914-1 has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: L914-1 has no Hoare annotation [2022-02-20 18:06:06,487 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2022-02-20 18:06:06,488 WARN L170 areAnnotationChecker]: L185-1 has no Hoare annotation [2022-02-20 18:06:06,488 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2022-02-20 18:06:06,488 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L195 has no Hoare annotation [2022-02-20 18:06:06,489 WARN L170 areAnnotationChecker]: L195 has no Hoare annotation [2022-02-20 18:06:06,490 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L383-2 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2022-02-20 18:06:06,491 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2022-02-20 18:06:06,492 WARN L170 areAnnotationChecker]: L195-1 has no Hoare annotation [2022-02-20 18:06:06,492 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2022-02-20 18:06:06,492 WARN L170 areAnnotationChecker]: L397 has no Hoare annotation [2022-02-20 18:06:06,492 WARN L170 areAnnotationChecker]: L397 has no Hoare annotation [2022-02-20 18:06:06,493 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2022-02-20 18:06:06,493 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2022-02-20 18:06:06,493 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:06:06,493 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2022-02-20 18:06:06,493 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2022-02-20 18:06:06,494 WARN L170 areAnnotationChecker]: L149-2 has no Hoare annotation [2022-02-20 18:06:06,494 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2022-02-20 18:06:06,494 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2022-02-20 18:06:06,494 WARN L170 areAnnotationChecker]: L397-1 has no Hoare annotation [2022-02-20 18:06:06,494 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:06:06,494 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: L149-2 has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:06:06,495 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2022-02-20 18:06:06,496 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:06:06,496 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 18:06:06,496 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2022-02-20 18:06:06,496 WARN L170 areAnnotationChecker]: L185-1 has no Hoare annotation [2022-02-20 18:06:06,496 INFO L163 areAnnotationChecker]: CFG has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:06:06,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:06:06 BoogieIcfgContainer [2022-02-20 18:06:06,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:06:06,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:06:06,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:06:06,509 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:06:06,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:06:03" (3/4) ... [2022-02-20 18:06:06,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:06:06,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-02-20 18:06:06,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-02-20 18:06:06,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:06:06,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:06:06,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:06:06,516 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:06:06,517 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:06:06,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-02-20 18:06:06,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:06:06,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:06:06,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:06:06,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:06:06,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:06:06,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:06:06,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-02-20 18:06:06,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-02-20 18:06:06,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 [2022-02-20 18:06:06,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-02-20 18:06:06,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-02-20 18:06:06,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-02-20 18:06:06,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-02-20 18:06:06,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 [2022-02-20 18:06:06,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-02-20 18:06:06,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-02-20 18:06:06,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-02-20 18:06:06,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-02-20 18:06:06,599 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:06:06,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:06:06,601 INFO L158 Benchmark]: Toolchain (without parser) took 3716.64ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 65.1MB in the beginning and 98.7MB in the end (delta: -33.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,601 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:06:06,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.89ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 43.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.37ms. Allocated memory is still 94.4MB. Free memory was 43.6MB in the beginning and 41.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,602 INFO L158 Benchmark]: Boogie Preprocessor took 27.74ms. Allocated memory is still 94.4MB. Free memory was 41.0MB in the beginning and 72.1MB in the end (delta: -31.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,602 INFO L158 Benchmark]: RCFGBuilder took 499.62ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 53.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,602 INFO L158 Benchmark]: TraceAbstraction took 2670.76ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 53.0MB in the beginning and 56.2MB in the end (delta: -3.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,603 INFO L158 Benchmark]: Witness Printer took 90.60ms. Allocated memory is still 125.8MB. Free memory was 56.2MB in the beginning and 98.7MB in the end (delta: -42.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:06:06,604 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 0.20ms. Allocated memory is still 77.6MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.89ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 43.6MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.37ms. Allocated memory is still 94.4MB. Free memory was 43.6MB in the beginning and 41.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.74ms. Allocated memory is still 94.4MB. Free memory was 41.0MB in the beginning and 72.1MB in the end (delta: -31.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 499.62ms. Allocated memory is still 94.4MB. Free memory was 72.1MB in the beginning and 53.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2670.76ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 53.0MB in the beginning and 56.2MB in the end (delta: -3.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 90.60ms. Allocated memory is still 125.8MB. Free memory was 56.2MB in the beginning and 98.7MB in the end (delta: -42.5MB). Peak memory consumption was 2.1MB. 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 8 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 661 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 339 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 322 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 181 PreInvPairs, 211 NumberOfFragments, 224 HoareAnnotationTreeSize, 181 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 37 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 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: 898]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:06:06,647 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