./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:29,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:29,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:29,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:29,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:29,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:29,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:29,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:29,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:29,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:29,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:29,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:29,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:29,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:29,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:29,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:29,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:29,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:29,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:29,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:30,001 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:30,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:30,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:30,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:30,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:30,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:30,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:30,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:30,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:30,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:30,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:30,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:30,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:30,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:30,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:30,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:30,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:30,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:30,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:30,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:30,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:30,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:30,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:30,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:30,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:30,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:30,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:30,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:30,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:30,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:30,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:30,063 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:30,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:30,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:30,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:30,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:30,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:30,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:30,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:30,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:30,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:30,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:30,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:30,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:30,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:30,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:30,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:30,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:30,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:30,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:30,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:30,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:30,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:30,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:30,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:30,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:30,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2022-07-22 17:37:30,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:30,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:30,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:30,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:30,364 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:30,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-07-22 17:37:30,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be9e7f0d/f96e4ae4f9b94b549f8cee482fa7be5d/FLAG702f1916a [2022-07-22 17:37:30,861 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:30,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-07-22 17:37:30,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be9e7f0d/f96e4ae4f9b94b549f8cee482fa7be5d/FLAG702f1916a [2022-07-22 17:37:30,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0be9e7f0d/f96e4ae4f9b94b549f8cee482fa7be5d [2022-07-22 17:37:30,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:30,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:30,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:30,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:30,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:30,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482500f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:30, skipping insertion in model container [2022-07-22 17:37:30,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:30" (1/1) ... [2022-07-22 17:37:30,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:30,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:31,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-07-22 17:37:31,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:31,259 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:31,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-07-22 17:37:31,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:31,347 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:31,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31 WrapperNode [2022-07-22 17:37:31,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:31,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:31,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:31,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:31,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,394 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 203 [2022-07-22 17:37:31,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:31,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:31,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:31,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:31,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:31,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:31,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:31,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:31,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (1/1) ... [2022-07-22 17:37:31,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:31,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:31,476 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) [2022-07-22 17:37:31,483 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 [2022-07-22 17:37:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-22 17:37:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-22 17:37:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:31,572 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:31,574 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:31,812 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:31,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:31,819 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:31,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:31 BoogieIcfgContainer [2022-07-22 17:37:31,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:31,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:31,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:31,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:31,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:30" (1/3) ... [2022-07-22 17:37:31,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5708a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:31, skipping insertion in model container [2022-07-22 17:37:31,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:31" (2/3) ... [2022-07-22 17:37:31,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d5708a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:31, skipping insertion in model container [2022-07-22 17:37:31,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:31" (3/3) ... [2022-07-22 17:37:31,828 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2022-07-22 17:37:31,861 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:31,861 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:31,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:31,922 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@d09c421, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a77b3f8 [2022-07-22 17:37:31,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:31,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:37:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:31,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:31,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:31,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:31,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:31,941 INFO L85 PathProgramCache]: Analyzing trace with hash -326168501, now seen corresponding path program 1 times [2022-07-22 17:37:31,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:31,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720119699] [2022-07-22 17:37:31,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:31,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:32,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:32,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720119699] [2022-07-22 17:37:32,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720119699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:32,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:32,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:32,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323398690] [2022-07-22 17:37:32,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:32,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:32,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:32,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:32,154 INFO L87 Difference]: Start difference. First operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:32,196 INFO L93 Difference]: Finished difference Result 161 states and 216 transitions. [2022-07-22 17:37:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:32,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:37:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:32,210 INFO L225 Difference]: With dead ends: 161 [2022-07-22 17:37:32,210 INFO L226 Difference]: Without dead ends: 76 [2022-07-22 17:37:32,214 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 [2022-07-22 17:37:32,218 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:32,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-22 17:37:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-22 17:37:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 17:37:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-07-22 17:37:32,267 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 25 [2022-07-22 17:37:32,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:32,267 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-07-22 17:37:32,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-07-22 17:37:32,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:32,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:32,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:32,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:32,270 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:32,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1971183804, now seen corresponding path program 1 times [2022-07-22 17:37:32,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:32,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938879458] [2022-07-22 17:37:32,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:32,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:32,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:32,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938879458] [2022-07-22 17:37:32,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938879458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:32,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:32,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813549752] [2022-07-22 17:37:32,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:32,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:32,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:32,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:32,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:32,389 INFO L87 Difference]: Start difference. First operand 76 states and 96 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:32,402 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2022-07-22 17:37:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:32,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:37:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:32,404 INFO L225 Difference]: With dead ends: 113 [2022-07-22 17:37:32,405 INFO L226 Difference]: Without dead ends: 67 [2022-07-22 17:37:32,405 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 [2022-07-22 17:37:32,407 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 16 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:32,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-22 17:37:32,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-22 17:37:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-22 17:37:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-07-22 17:37:32,418 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 26 [2022-07-22 17:37:32,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:32,418 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-07-22 17:37:32,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-07-22 17:37:32,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 17:37:32,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:32,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:32,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:32,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:32,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:32,421 INFO L85 PathProgramCache]: Analyzing trace with hash -409860073, now seen corresponding path program 1 times [2022-07-22 17:37:32,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:32,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296094780] [2022-07-22 17:37:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:32,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:32,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296094780] [2022-07-22 17:37:32,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296094780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:32,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:32,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:32,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236515303] [2022-07-22 17:37:32,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:32,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:32,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:32,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:32,540 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:32,563 INFO L93 Difference]: Finished difference Result 184 states and 236 transitions. [2022-07-22 17:37:32,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:32,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-22 17:37:32,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:32,573 INFO L225 Difference]: With dead ends: 184 [2022-07-22 17:37:32,574 INFO L226 Difference]: Without dead ends: 125 [2022-07-22 17:37:32,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:32,576 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:32,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-07-22 17:37:32,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2022-07-22 17:37:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-07-22 17:37:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 156 transitions. [2022-07-22 17:37:32,601 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 156 transitions. Word has length 30 [2022-07-22 17:37:32,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:32,602 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 156 transitions. [2022-07-22 17:37:32,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,602 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 156 transitions. [2022-07-22 17:37:32,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 17:37:32,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:32,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:32,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:32,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:32,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:32,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1560227681, now seen corresponding path program 1 times [2022-07-22 17:37:32,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:32,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849830386] [2022-07-22 17:37:32,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:32,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:32,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:32,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849830386] [2022-07-22 17:37:32,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849830386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:32,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:32,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:32,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888263597] [2022-07-22 17:37:32,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:32,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:32,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:32,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:32,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:32,683 INFO L87 Difference]: Start difference. First operand 122 states and 156 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:32,727 INFO L93 Difference]: Finished difference Result 206 states and 265 transitions. [2022-07-22 17:37:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:32,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-22 17:37:32,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:32,729 INFO L225 Difference]: With dead ends: 206 [2022-07-22 17:37:32,729 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:32,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:32,734 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 37 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:32,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:32,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:32,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:32,742 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) [2022-07-22 17:37:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:32,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-07-22 17:37:32,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:32,743 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:32,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:32,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:32,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:32,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:32,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:33,038 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: true [2022-07-22 17:37:33,038 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2022-07-22 17:37:33,039 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2022-07-22 17:37:33,040 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2022-07-22 17:37:33,040 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2022-07-22 17:37:33,040 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2022-07-22 17:37:33,041 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2022-07-22 17:37:33,041 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2022-07-22 17:37:33,041 INFO L902 garLoopResultBuilder]: At program point L854(lines 829 858) the Hoare annotation is: true [2022-07-22 17:37:33,041 INFO L899 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2022-07-22 17:37:33,042 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2022-07-22 17:37:33,042 INFO L902 garLoopResultBuilder]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2022-07-22 17:37:33,042 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2022-07-22 17:37:33,043 INFO L902 garLoopResultBuilder]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2022-07-22 17:37:33,043 INFO L902 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: true [2022-07-22 17:37:33,046 INFO L899 garLoopResultBuilder]: For program point L835-1(line 835) no Hoare annotation was computed. [2022-07-22 17:37:33,047 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 334 342) the Hoare annotation is: true [2022-07-22 17:37:33,047 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 334 342) no Hoare annotation was computed. [2022-07-22 17:37:33,047 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2022-07-22 17:37:33,048 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:33,048 INFO L895 garLoopResultBuilder]: At program point L114-1(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:33,048 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2022-07-22 17:37:33,048 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:33,049 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-07-22 17:37:33,054 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-07-22 17:37:33,055 INFO L895 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-07-22 17:37:33,055 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2022-07-22 17:37:33,056 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2022-07-22 17:37:33,056 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-07-22 17:37:33,056 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-07-22 17:37:33,056 INFO L895 garLoopResultBuilder]: At program point L302-2(lines 298 309) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:33,057 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 820) no Hoare annotation was computed. [2022-07-22 17:37:33,057 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 823) no Hoare annotation was computed. [2022-07-22 17:37:33,057 INFO L895 garLoopResultBuilder]: At program point L806-1(lines 798 826) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:33,057 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2022-07-22 17:37:33,057 INFO L895 garLoopResultBuilder]: At program point L381(lines 376 383) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:33,058 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:37:33,060 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:33,062 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 817) no Hoare annotation was computed. [2022-07-22 17:37:33,062 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2022-07-22 17:37:33,062 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:33,062 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2022-07-22 17:37:33,063 INFO L895 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:37:33,063 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2022-07-22 17:37:33,063 INFO L899 garLoopResultBuilder]: For program point L258-1(lines 258 264) no Hoare annotation was computed. [2022-07-22 17:37:33,063 INFO L895 garLoopResultBuilder]: At program point L221(lines 209 223) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:33,063 INFO L895 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:33,064 INFO L895 garLoopResultBuilder]: At program point L283(lines 238 285) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:33,064 INFO L895 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:33,064 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-07-22 17:37:33,064 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-07-22 17:37:33,064 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 918) no Hoare annotation was computed. [2022-07-22 17:37:33,064 INFO L899 garLoopResultBuilder]: For program point L911-2(lines 911 918) no Hoare annotation was computed. [2022-07-22 17:37:33,064 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:33,065 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:33,065 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:33,065 INFO L902 garLoopResultBuilder]: At program point L920(lines 901 923) the Hoare annotation is: true [2022-07-22 17:37:33,065 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:33,066 INFO L895 garLoopResultBuilder]: At program point L784(lines 779 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:33,066 INFO L899 garLoopResultBuilder]: For program point L239(lines 238 285) no Hoare annotation was computed. [2022-07-22 17:37:33,066 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 281) no Hoare annotation was computed. [2022-07-22 17:37:33,066 INFO L895 garLoopResultBuilder]: At program point L776(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:33,066 INFO L895 garLoopResultBuilder]: At program point L260(line 260) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:33,066 INFO L902 garLoopResultBuilder]: At program point L289(lines 228 293) the Hoare annotation is: true [2022-07-22 17:37:33,067 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:33,067 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2022-07-22 17:37:33,067 INFO L899 garLoopResultBuilder]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2022-07-22 17:37:33,067 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: false [2022-07-22 17:37:33,067 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 244) no Hoare annotation was computed. [2022-07-22 17:37:33,067 INFO L895 garLoopResultBuilder]: At program point L769(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:37:33,068 INFO L895 garLoopResultBuilder]: At program point L286(lines 237 287) the Hoare annotation is: false [2022-07-22 17:37:33,068 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-07-22 17:37:33,068 INFO L895 garLoopResultBuilder]: At program point L274-2(lines 268 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:37:33,068 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2022-07-22 17:37:33,068 INFO L902 garLoopResultBuilder]: At program point L898(lines 890 900) the Hoare annotation is: true [2022-07-22 17:37:33,069 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2022-07-22 17:37:33,069 INFO L899 garLoopResultBuilder]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2022-07-22 17:37:33,069 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: true [2022-07-22 17:37:33,069 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 87 93) no Hoare annotation was computed. [2022-07-22 17:37:33,069 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 87 93) the Hoare annotation is: true [2022-07-22 17:37:33,069 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 153 163) the Hoare annotation is: true [2022-07-22 17:37:33,070 INFO L902 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: true [2022-07-22 17:37:33,070 INFO L899 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2022-07-22 17:37:33,071 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2022-07-22 17:37:33,071 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2022-07-22 17:37:33,076 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-22 17:37:33,078 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:33,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:33 BoogieIcfgContainer [2022-07-22 17:37:33,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:33,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:33,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:33,105 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:33,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:31" (3/4) ... [2022-07-22 17:37:33,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:33,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:37:33,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:33,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:33,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:33,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:33,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:33,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:37:33,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-22 17:37:33,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-07-22 17:37:33,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:33,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:33,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:33,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:33,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:33,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:33,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:33,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:37:33,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-22 17:37:33,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-07-22 17:37:33,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:37:33,183 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:33,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:33,184 INFO L158 Benchmark]: Toolchain (without parser) took 2296.72ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 61.1MB in the beginning and 52.9MB in the end (delta: 8.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:33,185 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:33,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.62ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 63.0MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:33,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.94ms. Allocated memory is still 96.5MB. Free memory was 63.0MB in the beginning and 60.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:33,185 INFO L158 Benchmark]: Boogie Preprocessor took 34.61ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 59.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:33,186 INFO L158 Benchmark]: RCFGBuilder took 391.25ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 72.9MB in the end (delta: -13.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-07-22 17:37:33,186 INFO L158 Benchmark]: TraceAbstraction took 1281.73ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 72.3MB in the beginning and 58.1MB in the end (delta: 14.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:33,186 INFO L158 Benchmark]: Witness Printer took 78.84ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 52.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:37:33,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.62ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 63.0MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.94ms. Allocated memory is still 96.5MB. Free memory was 63.0MB in the beginning and 60.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.61ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 59.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.25ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 72.9MB in the end (delta: -13.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1281.73ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 72.3MB in the beginning and 58.1MB in the end (delta: 14.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 78.84ms. Allocated memory is still 117.4MB. Free memory was 58.1MB in the beginning and 52.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 380]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 583 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 347 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 190 PreInvPairs, 215 NumberOfFragments, 159 HoareAnnotationTreeSize, 190 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 38 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:33,243 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