./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product15.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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:23:37,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:23:37,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:23:37,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:23:37,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:23:37,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:23:37,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:23:37,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:23:37,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:23:37,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:23:37,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:23:37,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:23:37,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:23:37,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:23:37,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:23:37,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:23:37,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:23:37,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:23:37,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:23:37,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:23:37,935 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:23:37,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:23:37,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:23:37,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:23:37,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:23:37,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:23:37,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:23:37,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:23:37,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:23:37,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:23:37,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:23:37,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:23:37,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:23:37,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:23:37,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:23:37,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:23:37,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:23:37,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:23:37,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:23:37,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:23:37,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:23:37,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:23:37,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:23:37,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:23:37,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:23:37,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:23:37,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:23:37,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:23:37,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:23:37,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:23:37,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:23:37,979 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:23:37,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:23:37,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:23:37,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:23:37,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:23:37,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:23:37,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:23:37,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:23:37,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:23:37,981 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:23:37,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:23:37,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:23:37,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:23:37,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:23:37,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:23:37,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:23:37,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:37,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:23:37,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:23:37,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:23:37,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:23:37,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:23:37,983 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:23:37,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:23:37,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:23:37,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2022-07-19 17:23:38,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:23:38,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:23:38,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:23:38,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:23:38,228 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:23:38,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-07-19 17:23:38,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf37e519/bbb213f69ea344bfba38774691f04cd2/FLAG13024a2d8 [2022-07-19 17:23:38,741 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:23:38,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-07-19 17:23:38,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf37e519/bbb213f69ea344bfba38774691f04cd2/FLAG13024a2d8 [2022-07-19 17:23:39,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccf37e519/bbb213f69ea344bfba38774691f04cd2 [2022-07-19 17:23:39,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:23:39,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:23:39,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:39,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:23:39,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:23:39,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6983349c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39, skipping insertion in model container [2022-07-19 17:23:39,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:23:39,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:23:39,357 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_spec2_product15.cil.c[5831,5844] [2022-07-19 17:23:39,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:39,431 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:23:39,465 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_spec2_product15.cil.c[5831,5844] [2022-07-19 17:23:39,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:39,510 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:23:39,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39 WrapperNode [2022-07-19 17:23:39,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:39,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:39,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:23:39,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:23:39,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,561 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 203 [2022-07-19 17:23:39,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:39,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:23:39,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:23:39,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:23:39,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:23:39,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:23:39,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:23:39,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:23:39,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (1/1) ... [2022-07-19 17:23:39,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:39,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:39,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:23:39,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:23:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:23:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:23:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:23:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:23:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:23:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:23:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:23:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:23:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:23:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:39,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-19 17:23:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-19 17:23:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:23:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:23:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:23:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:23:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:23:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:23:39,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:23:39,755 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:23:39,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:23:39,956 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:23:39,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:23:39,961 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:23:39,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:39 BoogieIcfgContainer [2022-07-19 17:23:39,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:23:39,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:23:39,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:23:39,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:23:39,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:23:39" (1/3) ... [2022-07-19 17:23:39,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f080a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:39, skipping insertion in model container [2022-07-19 17:23:39,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:39" (2/3) ... [2022-07-19 17:23:39,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f080a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:39, skipping insertion in model container [2022-07-19 17:23:39,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:39" (3/3) ... [2022-07-19 17:23:39,973 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2022-07-19 17:23:39,983 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:23:39,983 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:23:40,037 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:23:40,045 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@772df54d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5bf58190 [2022-07-19 17:23:40,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:23:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-19 17:23:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 17:23:40,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:40,059 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:40,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:40,065 INFO L85 PathProgramCache]: Analyzing trace with hash -326168501, now seen corresponding path program 1 times [2022-07-19 17:23:40,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:40,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82055513] [2022-07-19 17:23:40,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:40,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:23:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:40,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:40,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82055513] [2022-07-19 17:23:40,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82055513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:40,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:40,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:23:40,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108039966] [2022-07-19 17:23:40,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:40,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:23:40,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:40,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:23:40,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:23:40,305 INFO L87 Difference]: Start difference. First operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-19 17:23:40,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:40,341 INFO L93 Difference]: Finished difference Result 161 states and 216 transitions. [2022-07-19 17:23:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:23:40,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-07-19 17:23:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:40,378 INFO L225 Difference]: With dead ends: 161 [2022-07-19 17:23:40,397 INFO L226 Difference]: Without dead ends: 76 [2022-07-19 17:23:40,400 INFO L412 NwaCegarLoop]: 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 [2022-07-19 17:23:40,409 INFO L413 NwaCegarLoop]: 105 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, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:40,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:40,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-19 17:23:40,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-19 17:23:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-19 17:23:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-07-19 17:23:40,452 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 25 [2022-07-19 17:23:40,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:40,452 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-07-19 17:23:40,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-19 17:23:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-07-19 17:23:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 17:23:40,456 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:40,456 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:40,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:23:40,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:40,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:40,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1971183804, now seen corresponding path program 1 times [2022-07-19 17:23:40,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:40,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128510769] [2022-07-19 17:23:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:40,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 17:23:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:40,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:40,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128510769] [2022-07-19 17:23:40,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128510769] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:40,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:40,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:40,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890812295] [2022-07-19 17:23:40,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:40,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:40,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:40,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:40,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:40,518 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-19 17:23:40,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:40,531 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2022-07-19 17:23:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:40,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-07-19 17:23:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:40,533 INFO L225 Difference]: With dead ends: 113 [2022-07-19 17:23:40,533 INFO L226 Difference]: Without dead ends: 67 [2022-07-19 17:23:40,534 INFO L412 NwaCegarLoop]: 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 [2022-07-19 17:23:40,535 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 16 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:40,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:40,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-19 17:23:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-19 17:23:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-19 17:23:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-07-19 17:23:40,541 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 26 [2022-07-19 17:23:40,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:40,541 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-07-19 17:23:40,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-19 17:23:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-07-19 17:23:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 17:23:40,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:40,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:40,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:23:40,543 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:40,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:40,544 INFO L85 PathProgramCache]: Analyzing trace with hash -409860073, now seen corresponding path program 1 times [2022-07-19 17:23:40,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:40,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385147695] [2022-07-19 17:23:40,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:40,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:40,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:40,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385147695] [2022-07-19 17:23:40,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385147695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:40,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:40,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:40,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623646365] [2022-07-19 17:23:40,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:40,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:40,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:40,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:40,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:40,587 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-07-19 17:23:40,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:40,604 INFO L93 Difference]: Finished difference Result 184 states and 236 transitions. [2022-07-19 17:23:40,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:40,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-07-19 17:23:40,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:40,606 INFO L225 Difference]: With dead ends: 184 [2022-07-19 17:23:40,606 INFO L226 Difference]: Without dead ends: 125 [2022-07-19 17:23:40,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:40,608 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:40,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:40,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-07-19 17:23:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2022-07-19 17:23:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-07-19 17:23:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 156 transitions. [2022-07-19 17:23:40,620 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 156 transitions. Word has length 30 [2022-07-19 17:23:40,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:40,621 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 156 transitions. [2022-07-19 17:23:40,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-07-19 17:23:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 156 transitions. [2022-07-19 17:23:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 17:23:40,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:40,622 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-07-19 17:23:40,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:23:40,623 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:40,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:40,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1560227681, now seen corresponding path program 1 times [2022-07-19 17:23:40,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:40,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150875362] [2022-07-19 17:23:40,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:40,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:40,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:40,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150875362] [2022-07-19 17:23:40,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150875362] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:40,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:40,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:40,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184564278] [2022-07-19 17:23:40,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:40,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:40,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:40,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:40,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:40,676 INFO L87 Difference]: Start difference. First operand 122 states and 156 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-07-19 17:23:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:40,709 INFO L93 Difference]: Finished difference Result 206 states and 265 transitions. [2022-07-19 17:23:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:23:40,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2022-07-19 17:23:40,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:40,710 INFO L225 Difference]: With dead ends: 206 [2022-07-19 17:23:40,711 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:23:40,711 INFO L412 NwaCegarLoop]: 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 [2022-07-19 17:23:40,712 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 37 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 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 [2022-07-19 17:23:40,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:40,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:23:40,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:23:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:23:40,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:23:40,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-07-19 17:23:40,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:40,714 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:23:40,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2022-07-19 17:23:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:23:40,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:23:40,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:23:40,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:23:40,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:23:40,905 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: true [2022-07-19 17:23:40,905 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2022-07-19 17:23:40,905 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2022-07-19 17:23:40,906 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2022-07-19 17:23:40,906 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2022-07-19 17:23:40,906 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2022-07-19 17:23:40,906 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2022-07-19 17:23:40,906 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2022-07-19 17:23:40,906 INFO L902 garLoopResultBuilder]: At program point L854(lines 829 858) the Hoare annotation is: true [2022-07-19 17:23:40,906 INFO L899 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2022-07-19 17:23:40,907 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2022-07-19 17:23:40,907 INFO L902 garLoopResultBuilder]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2022-07-19 17:23:40,907 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2022-07-19 17:23:40,907 INFO L902 garLoopResultBuilder]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2022-07-19 17:23:40,907 INFO L902 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: true [2022-07-19 17:23:40,907 INFO L899 garLoopResultBuilder]: For program point L835-1(line 835) no Hoare annotation was computed. [2022-07-19 17:23:40,907 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 334 342) the Hoare annotation is: true [2022-07-19 17:23:40,908 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 334 342) no Hoare annotation was computed. [2022-07-19 17:23:40,908 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2022-07-19 17:23:40,908 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:40,908 INFO L895 garLoopResultBuilder]: At program point L114-1(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:40,908 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2022-07-19 17:23:40,908 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:40,909 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-07-19 17:23:40,909 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-07-19 17:23:40,909 INFO L895 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-07-19 17:23:40,909 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2022-07-19 17:23:40,909 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2022-07-19 17:23:40,909 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-07-19 17:23:40,909 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-07-19 17:23:40,910 INFO L895 garLoopResultBuilder]: At program point L302-2(lines 298 309) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:40,910 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 820) no Hoare annotation was computed. [2022-07-19 17:23:40,910 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 823) no Hoare annotation was computed. [2022-07-19 17:23:40,910 INFO L895 garLoopResultBuilder]: At program point L806-1(lines 798 826) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:40,910 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2022-07-19 17:23:40,910 INFO L895 garLoopResultBuilder]: At program point L381(lines 376 383) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:40,910 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:40,911 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:40,911 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 817) no Hoare annotation was computed. [2022-07-19 17:23:40,911 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2022-07-19 17:23:40,911 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:40,911 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2022-07-19 17:23:40,911 INFO L895 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:40,912 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2022-07-19 17:23:40,912 INFO L899 garLoopResultBuilder]: For program point L258-1(lines 258 264) no Hoare annotation was computed. [2022-07-19 17:23:40,912 INFO L895 garLoopResultBuilder]: At program point L221(lines 209 223) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:40,912 INFO L895 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:40,912 INFO L895 garLoopResultBuilder]: At program point L283(lines 238 285) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:40,912 INFO L895 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 918) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point L911-2(lines 911 918) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:23:40,913 INFO L902 garLoopResultBuilder]: At program point L920(lines 901 923) the Hoare annotation is: true [2022-07-19 17:23:40,914 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:40,914 INFO L895 garLoopResultBuilder]: At program point L784(lines 779 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:40,914 INFO L899 garLoopResultBuilder]: For program point L239(lines 238 285) no Hoare annotation was computed. [2022-07-19 17:23:40,914 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 281) no Hoare annotation was computed. [2022-07-19 17:23:40,914 INFO L895 garLoopResultBuilder]: At program point L776(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:40,914 INFO L895 garLoopResultBuilder]: At program point L260(line 260) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:40,915 INFO L902 garLoopResultBuilder]: At program point L289(lines 228 293) the Hoare annotation is: true [2022-07-19 17:23:40,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:23:40,915 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2022-07-19 17:23:40,915 INFO L899 garLoopResultBuilder]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2022-07-19 17:23:40,915 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: false [2022-07-19 17:23:40,915 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 244) no Hoare annotation was computed. [2022-07-19 17:23:40,915 INFO L895 garLoopResultBuilder]: At program point L769(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:40,916 INFO L895 garLoopResultBuilder]: At program point L286(lines 237 287) the Hoare annotation is: false [2022-07-19 17:23:40,916 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-07-19 17:23:40,916 INFO L895 garLoopResultBuilder]: At program point L274-2(lines 268 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:40,916 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2022-07-19 17:23:40,916 INFO L902 garLoopResultBuilder]: At program point L898(lines 890 900) the Hoare annotation is: true [2022-07-19 17:23:40,916 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2022-07-19 17:23:40,916 INFO L899 garLoopResultBuilder]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2022-07-19 17:23:40,917 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: true [2022-07-19 17:23:40,917 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 87 93) no Hoare annotation was computed. [2022-07-19 17:23:40,917 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 87 93) the Hoare annotation is: true [2022-07-19 17:23:40,917 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 153 163) the Hoare annotation is: true [2022-07-19 17:23:40,917 INFO L902 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: true [2022-07-19 17:23:40,917 INFO L899 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2022-07-19 17:23:40,917 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2022-07-19 17:23:40,918 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2022-07-19 17:23:40,920 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-19 17:23:40,921 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:23:40,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:23:40 BoogieIcfgContainer [2022-07-19 17:23:40,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:23:40,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:23:40,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:23:40,933 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:23:40,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:39" (3/4) ... [2022-07-19 17:23:40,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:23:40,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:23:40,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:23:40,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:23:40,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:23:40,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:23:40,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:23:40,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:40,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-19 17:23:40,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-07-19 17:23:40,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:23:40,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:23:40,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:23:40,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:23:40,964 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:40,965 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:40,988 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:23:40,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-19 17:23:40,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-19 17:23:40,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-07-19 17:23:40,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:23:41,015 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:23:41,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:23:41,016 INFO L158 Benchmark]: Toolchain (without parser) took 1905.21ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 102.9MB in the beginning and 164.8MB in the end (delta: -61.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,016 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:23:41,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.03ms. Allocated memory is still 136.3MB. Free memory was 102.9MB in the beginning and 102.0MB in the end (delta: 921.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.35ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,017 INFO L158 Benchmark]: Boogie Preprocessor took 34.79ms. Allocated memory is still 136.3MB. Free memory was 99.9MB in the beginning and 98.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,017 INFO L158 Benchmark]: RCFGBuilder took 368.87ms. Allocated memory is still 136.3MB. Free memory was 98.2MB in the beginning and 82.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,017 INFO L158 Benchmark]: TraceAbstraction took 964.57ms. Allocated memory is still 136.3MB. Free memory was 82.4MB in the beginning and 57.6MB in the end (delta: 24.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,018 INFO L158 Benchmark]: Witness Printer took 82.59ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 57.6MB in the beginning and 164.8MB in the end (delta: -107.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-07-19 17:23:41,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.03ms. Allocated memory is still 136.3MB. Free memory was 102.9MB in the beginning and 102.0MB in the end (delta: 921.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.35ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.79ms. Allocated memory is still 136.3MB. Free memory was 99.9MB in the beginning and 98.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.87ms. Allocated memory is still 136.3MB. Free memory was 98.2MB in the beginning and 82.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 964.57ms. Allocated memory is still 136.3MB. Free memory was 82.4MB in the beginning and 57.6MB in the end (delta: 24.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Witness Printer took 82.59ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 57.6MB in the beginning and 164.8MB in the end (delta: -107.3MB). Peak memory consumption was 6.7MB. 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: 380]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 583 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 347 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 190 PreInvPairs, 215 NumberOfFragments, 159 HoareAnnotationTreeSize, 190 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:23:41,068 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