./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_spec1_product31.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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:57:51,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:57:51,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:57:51,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:57:51,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:57:51,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:57:51,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:57:51,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:57:51,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:57:51,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:57:51,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:57:51,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:57:51,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:57:52,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:57:52,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:57:52,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:57:52,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:57:52,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:57:52,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:57:52,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:57:52,014 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:57:52,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:57:52,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:57:52,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:57:52,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:57:52,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:57:52,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:57:52,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:57:52,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:57:52,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:57:52,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:57:52,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:57:52,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:57:52,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:57:52,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:57:52,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:57:52,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:57:52,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:57:52,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:57:52,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:57:52,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:57:52,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:57:52,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:57:52,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:57:52,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:57:52,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:57:52,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:57:52,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:57:52,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:57:52,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:57:52,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:57:52,048 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:57:52,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:57:52,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:57:52,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:57:52,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:57:52,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:57:52,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:57:52,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:57:52,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:57:52,050 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:57:52,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:57:52,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:57:52,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:57:52,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:57:52,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:57:52,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:57:52,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:57:52,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:57:52,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:57:52,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:57:52,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:57:52,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:57:52,052 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:57:52,052 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:57:52,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:57:52,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2022-07-13 17:57:52,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:57:52,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:57:52,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:57:52,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:57:52,260 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:57:52,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-07-13 17:57:52,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a125c073/8da1ce6d658440e6828d223e8aa99feb/FLAGaf6328d2f [2022-07-13 17:57:52,738 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:57:52,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2022-07-13 17:57:52,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a125c073/8da1ce6d658440e6828d223e8aa99feb/FLAGaf6328d2f [2022-07-13 17:57:52,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a125c073/8da1ce6d658440e6828d223e8aa99feb [2022-07-13 17:57:52,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:57:52,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:57:52,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:57:52,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:57:52,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:57:52,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:57:52" (1/1) ... [2022-07-13 17:57:52,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dff861c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:52, skipping insertion in model container [2022-07-13 17:57:52,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:57:52" (1/1) ... [2022-07-13 17:57:52,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:57:52,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:57:53,010 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_product31.cil.c[8611,8624] [2022-07-13 17:57:53,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:57:53,067 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:57:53,099 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_product31.cil.c[8611,8624] [2022-07-13 17:57:53,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:57:53,154 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:57:53,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53 WrapperNode [2022-07-13 17:57:53,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:57:53,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:57:53,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:57:53,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:57:53,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,215 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 227 [2022-07-13 17:57:53,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:57:53,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:57:53,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:57:53,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:57:53,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:57:53,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:57:53,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:57:53,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:57:53,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (1/1) ... [2022-07-13 17:57:53,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:57:53,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:57:53,288 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) [2022-07-13 17:57:53,290 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 [2022-07-13 17:57:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:57:53,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:57:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-13 17:57:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-13 17:57:53,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:57:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:57:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:57:53,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:57:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:57:53,379 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:57:53,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:57:53,679 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:57:53,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:57:53,688 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:57:53,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:57:53 BoogieIcfgContainer [2022-07-13 17:57:53,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:57:53,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:57:53,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:57:53,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:57:53,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:57:52" (1/3) ... [2022-07-13 17:57:53,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4720f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:57:53, skipping insertion in model container [2022-07-13 17:57:53,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:57:53" (2/3) ... [2022-07-13 17:57:53,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4720f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:57:53, skipping insertion in model container [2022-07-13 17:57:53,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:57:53" (3/3) ... [2022-07-13 17:57:53,698 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2022-07-13 17:57:53,712 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:57:53,713 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:57:53,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:57:53,756 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@5d128194, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4656134a [2022-07-13 17:57:53,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:57:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-13 17:57:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 17:57:53,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:53,768 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] [2022-07-13 17:57:53,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:53,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1884287270, now seen corresponding path program 1 times [2022-07-13 17:57:53,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:53,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592654928] [2022-07-13 17:57:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:57:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:54,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:54,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592654928] [2022-07-13 17:57:54,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592654928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:54,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:54,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:57:54,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798707013] [2022-07-13 17:57:54,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:54,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:57:54,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:57:54,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:57:54,040 INFO L87 Difference]: Start difference. First operand has 95 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 77 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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) [2022-07-13 17:57:54,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:54,079 INFO L93 Difference]: Finished difference Result 182 states and 245 transitions. [2022-07-13 17:57:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:57:54,081 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 [2022-07-13 17:57:54,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:54,088 INFO L225 Difference]: With dead ends: 182 [2022-07-13 17:57:54,088 INFO L226 Difference]: Without dead ends: 86 [2022-07-13 17:57:54,091 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 [2022-07-13 17:57:54,093 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2022-07-13 17:57:54,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:57:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-07-13 17:57:54,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-07-13 17:57:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 61 states have (on average 1.2950819672131149) internal successors, (79), 69 states have internal predecessors, (79), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-13 17:57:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-07-13 17:57:54,136 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 23 [2022-07-13 17:57:54,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:54,136 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-07-13 17:57:54,137 INFO L496 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) [2022-07-13 17:57:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-07-13 17:57:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-13 17:57:54,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:54,140 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] [2022-07-13 17:57:54,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:57:54,140 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:54,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:54,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1079213532, now seen corresponding path program 1 times [2022-07-13 17:57:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:54,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059270605] [2022-07-13 17:57:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:57:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:54,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:54,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059270605] [2022-07-13 17:57:54,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059270605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:54,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:54,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:57:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336854280] [2022-07-13 17:57:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:54,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:57:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:54,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:57:54,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:57:54,251 INFO L87 Difference]: Start difference. First operand 86 states and 110 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) [2022-07-13 17:57:54,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:54,269 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2022-07-13 17:57:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:57:54,270 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 [2022-07-13 17:57:54,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:54,272 INFO L225 Difference]: With dead ends: 134 [2022-07-13 17:57:54,275 INFO L226 Difference]: Without dead ends: 77 [2022-07-13 17:57:54,278 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 [2022-07-13 17:57:54,279 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 16 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 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 [2022-07-13 17:57:54,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:57:54,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-13 17:57:54,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-13 17:57:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 55 states have (on average 1.309090909090909) internal successors, (72), 63 states have internal predecessors, (72), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-13 17:57:54,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-07-13 17:57:54,293 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 24 [2022-07-13 17:57:54,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:54,294 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-07-13 17:57:54,294 INFO L496 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) [2022-07-13 17:57:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-07-13 17:57:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-13 17:57:54,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:54,296 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] [2022-07-13 17:57:54,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:57:54,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1082793814, now seen corresponding path program 1 times [2022-07-13 17:57:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101778093] [2022-07-13 17:57:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-13 17:57:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:54,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:54,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101778093] [2022-07-13 17:57:54,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101778093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:54,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:54,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:57:54,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808573053] [2022-07-13 17:57:54,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:54,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:57:54,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:54,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:57:54,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:57:54,420 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:57:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:54,658 INFO L93 Difference]: Finished difference Result 258 states and 335 transitions. [2022-07-13 17:57:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:57:54,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-07-13 17:57:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:54,660 INFO L225 Difference]: With dead ends: 258 [2022-07-13 17:57:54,660 INFO L226 Difference]: Without dead ends: 188 [2022-07-13 17:57:54,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:57:54,661 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 203 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:54,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 472 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:57:54,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-07-13 17:57:54,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2022-07-13 17:57:54,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 129 states have (on average 1.3410852713178294) internal successors, (173), 147 states have internal predecessors, (173), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 21 states have call predecessors, (32), 31 states have call successors, (32) [2022-07-13 17:57:54,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 236 transitions. [2022-07-13 17:57:54,702 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 236 transitions. Word has length 28 [2022-07-13 17:57:54,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:54,702 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 236 transitions. [2022-07-13 17:57:54,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 17:57:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 236 transitions. [2022-07-13 17:57:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 17:57:54,704 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:54,704 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] [2022-07-13 17:57:54,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:57:54,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1451429620, now seen corresponding path program 1 times [2022-07-13 17:57:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:54,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843573658] [2022-07-13 17:57:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:54,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 17:57:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:54,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:54,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843573658] [2022-07-13 17:57:54,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843573658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:54,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:54,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:57:54,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877406887] [2022-07-13 17:57:54,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:54,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:57:54,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:54,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:57:54,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:57:54,759 INFO L87 Difference]: Start difference. First operand 182 states and 236 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 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) [2022-07-13 17:57:54,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:54,913 INFO L93 Difference]: Finished difference Result 533 states and 704 transitions. [2022-07-13 17:57:54,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:57:54,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 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 [2022-07-13 17:57:54,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:54,922 INFO L225 Difference]: With dead ends: 533 [2022-07-13 17:57:54,924 INFO L226 Difference]: Without dead ends: 358 [2022-07-13 17:57:54,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:57:54,926 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 69 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:54,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 483 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:57:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-07-13 17:57:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 349. [2022-07-13 17:57:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 244 states have (on average 1.3237704918032787) internal successors, (323), 279 states have internal predecessors, (323), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 42 states have call predecessors, (67), 62 states have call successors, (67) [2022-07-13 17:57:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 452 transitions. [2022-07-13 17:57:54,979 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 452 transitions. Word has length 32 [2022-07-13 17:57:54,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:54,979 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 452 transitions. [2022-07-13 17:57:54,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 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) [2022-07-13 17:57:54,979 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 452 transitions. [2022-07-13 17:57:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-13 17:57:54,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:57:54,981 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, 1, 1] [2022-07-13 17:57:54,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:57:54,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:57:54,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:57:54,982 INFO L85 PathProgramCache]: Analyzing trace with hash -471125552, now seen corresponding path program 1 times [2022-07-13 17:57:54,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:57:54,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172328665] [2022-07-13 17:57:54,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:57:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:57:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 17:57:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:55,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 17:57:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:57:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:57:55,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:57:55,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172328665] [2022-07-13 17:57:55,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172328665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:57:55,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:57:55,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:57:55,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653779973] [2022-07-13 17:57:55,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:57:55,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:57:55,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:57:55,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:57:55,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:57:55,086 INFO L87 Difference]: Start difference. First operand 349 states and 452 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:57:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:57:55,192 INFO L93 Difference]: Finished difference Result 594 states and 776 transitions. [2022-07-13 17:57:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 17:57:55,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-13 17:57:55,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:57:55,193 INFO L225 Difference]: With dead ends: 594 [2022-07-13 17:57:55,193 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:57:55,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:57:55,194 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:57:55,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 127 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:57:55,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:57:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:57:55,195 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) [2022-07-13 17:57:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:57:55,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-07-13 17:57:55,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:57:55,196 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:57:55,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-13 17:57:55,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:57:55,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:57:55,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:57:55,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:57:55,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:57:55,658 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 425 432) the Hoare annotation is: true [2022-07-13 17:57:55,658 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 425 432) no Hoare annotation was computed. [2022-07-13 17:57:55,658 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 425 432) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 341 347) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 341 347) the Hoare annotation is: true [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 185 196) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 185 196) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 197 205) the Hoare annotation is: true [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 197 205) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 197 205) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 317 340) no Hoare annotation was computed. [2022-07-13 17:57:55,659 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-07-13 17:57:55,659 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 320 339) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 391) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 396) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 169) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 306) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L895 garLoopResultBuilder]: At program point L293-1(lines 285 309) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~1#1| 0) .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0)))) [2022-07-13 17:57:55,660 INFO L895 garLoopResultBuilder]: At program point L165-2(lines 161 172) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:57:55,660 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2022-07-13 17:57:55,660 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:57:55,660 INFO L895 garLoopResultBuilder]: At program point L385(line 385) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:57:55,660 INFO L895 garLoopResultBuilder]: At program point L381(line 381) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:57:55,661 INFO L899 garLoopResultBuilder]: For program point L381-1(line 381) no Hoare annotation was computed. [2022-07-13 17:57:55,661 INFO L895 garLoopResultBuilder]: At program point L596(lines 591 598) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-13 17:57:55,661 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 317 340) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-13 17:57:55,661 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 317 340) no Hoare annotation was computed. [2022-07-13 17:57:55,661 INFO L895 garLoopResultBuilder]: At program point L394(line 394) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-13 17:57:55,661 INFO L895 garLoopResultBuilder]: At program point L394-1(lines 375 399) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-13 17:57:55,661 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2022-07-13 17:57:55,661 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2022-07-13 17:57:55,661 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-13 17:57:55,661 INFO L899 garLoopResultBuilder]: For program point L291-1(line 291) no Hoare annotation was computed. [2022-07-13 17:57:55,662 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-07-13 17:57:55,662 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-07-13 17:57:55,662 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-07-13 17:57:55,662 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-07-13 17:57:55,662 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-07-13 17:57:55,662 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-07-13 17:57:55,662 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-07-13 17:57:55,662 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-07-13 17:57:55,662 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-13 17:57:55,662 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-07-13 17:57:55,662 INFO L899 garLoopResultBuilder]: For program point L535(lines 534 581) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 577) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L895 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:55,663 INFO L902 garLoopResultBuilder]: At program point L585(lines 524 589) the Hoare annotation is: true [2022-07-13 17:57:55,663 INFO L895 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-07-13 17:57:55,663 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-07-13 17:57:55,664 INFO L895 garLoopResultBuilder]: At program point L520(lines 508 522) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:55,664 INFO L895 garLoopResultBuilder]: At program point L582(lines 533 583) the Hoare annotation is: false [2022-07-13 17:57:55,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:57:55,664 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 518) no Hoare annotation was computed. [2022-07-13 17:57:55,664 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2022-07-13 17:57:55,664 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-07-13 17:57:55,664 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2022-07-13 17:57:55,664 INFO L895 garLoopResultBuilder]: At program point L570-2(lines 564 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:55,664 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-07-13 17:57:55,664 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 560) no Hoare annotation was computed. [2022-07-13 17:57:55,664 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 554 560) no Hoare annotation was computed. [2022-07-13 17:57:55,665 INFO L895 garLoopResultBuilder]: At program point L579(lines 534 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:55,665 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 17:57:55,665 INFO L895 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-13 17:57:55,665 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-13 17:57:55,665 INFO L895 garLoopResultBuilder]: At program point L270(lines 266 272) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-13 17:57:55,665 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: false [2022-07-13 17:57:55,666 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 173 184) no Hoare annotation was computed. [2022-07-13 17:57:55,667 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 173 184) no Hoare annotation was computed. [2022-07-13 17:57:55,667 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 173 184) the Hoare annotation is: true [2022-07-13 17:57:55,667 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2022-07-13 17:57:55,667 INFO L895 garLoopResultBuilder]: At program point L504(lines 489 507) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:57:55,667 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2022-07-13 17:57:55,667 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 502) no Hoare annotation was computed. [2022-07-13 17:57:55,668 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-13 17:57:55,668 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 349 373) no Hoare annotation was computed. [2022-07-13 17:57:55,668 INFO L895 garLoopResultBuilder]: At program point L243(lines 238 246) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:57:55,668 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 349 373) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-13 17:57:55,668 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 349 373) no Hoare annotation was computed. [2022-07-13 17:57:55,668 INFO L895 garLoopResultBuilder]: At program point L363(line 363) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:57:55,669 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-13 17:57:55,669 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2022-07-13 17:57:55,669 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 433 443) the Hoare annotation is: true [2022-07-13 17:57:55,669 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 433 443) no Hoare annotation was computed. [2022-07-13 17:57:55,669 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 433 443) no Hoare annotation was computed. [2022-07-13 17:57:55,669 INFO L902 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: true [2022-07-13 17:57:55,669 INFO L899 garLoopResultBuilder]: For program point L438-1(line 438) no Hoare annotation was computed. [2022-07-13 17:57:55,672 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-13 17:57:55,688 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:57:55,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:57:55 BoogieIcfgContainer [2022-07-13 17:57:55,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:57:55,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:57:55,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:57:55,701 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:57:55,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:57:53" (3/4) ... [2022-07-13 17:57:55,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:57:55,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-13 17:57:55,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:57:55,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:57:55,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:57:55,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:57:55,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:57:55,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:57:55,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:57:55,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-13 17:57:55,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-13 17:57:55,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:57:55,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:57:55,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:57:55,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:57:55,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:57:55,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:57:55,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-13 17:57:55,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-13 17:57:55,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:57:55,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-13 17:57:55,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-07-13 17:57:55,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-13 17:57:55,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-13 17:57:55,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-13 17:57:55,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-13 17:57:55,798 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:57:55,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:57:55,799 INFO L158 Benchmark]: Toolchain (without parser) took 3034.08ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 112.6MB in the beginning and 145.3MB in the end (delta: -32.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,799 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:57:55,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.54ms. Allocated memory is still 146.8MB. Free memory was 112.3MB in the beginning and 112.9MB in the end (delta: -604.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.17ms. Allocated memory is still 146.8MB. Free memory was 112.9MB in the beginning and 110.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,800 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 108.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,800 INFO L158 Benchmark]: RCFGBuilder took 446.96ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 91.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,800 INFO L158 Benchmark]: TraceAbstraction took 2007.99ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 91.6MB in the beginning and 150.6MB in the end (delta: -58.9MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,800 INFO L158 Benchmark]: Witness Printer took 97.90ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 145.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 17:57:55,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.54ms. Allocated memory is still 146.8MB. Free memory was 112.3MB in the beginning and 112.9MB in the end (delta: -604.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.17ms. Allocated memory is still 146.8MB. Free memory was 112.9MB in the beginning and 110.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 108.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.96ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 91.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2007.99ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 91.6MB in the beginning and 150.6MB in the end (delta: -58.9MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * Witness Printer took 97.90ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 145.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 595]: 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 10 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 350 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 1374 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 879 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 495 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 517 PreInvPairs, 583 NumberOfFragments, 267 HoareAnnotationTreeSize, 517 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1856 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((tmp == 0 || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:57:55,836 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