./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product22.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 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:25:05,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:25:05,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:25:05,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:25:05,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:25:05,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:25:05,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:25:05,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:25:05,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:25:05,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:25:05,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:25:05,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:25:05,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:25:05,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:25:05,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:25:05,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:25:05,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:25:05,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:25:05,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:25:05,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:25:05,455 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:25:05,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:25:05,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:25:05,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:25:05,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:25:05,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:25:05,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:25:05,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:25:05,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:25:05,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:25:05,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:25:05,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:25:05,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:25:05,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:25:05,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:25:05,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:25:05,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:25:05,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:25:05,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:25:05,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:25:05,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:25:05,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:25:05,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:25:05,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:25:05,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:25:05,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:25:05,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:25:05,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:25:05,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:25:05,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:25:05,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:25:05,516 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:25:05,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:25:05,517 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:25:05,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:25:05,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:25:05,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:25:05,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:25:05,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:25:05,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:25:05,518 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:25:05,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:25:05,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:25:05,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:25:05,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:25:05,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:25:05,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:25:05,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:25:05,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:25:05,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:25:05,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:25:05,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:25:05,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:25:05,521 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:25:05,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:25:05,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:25:05,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2022-07-19 17:25:05,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:25:05,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:25:05,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:25:05,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:25:05,808 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:25:05,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-07-19 17:25:05,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fb4adca/1b2a1cf077d942fd9f5494377fcfd1ef/FLAGb9984e8fd [2022-07-19 17:25:06,343 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:25:06,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-07-19 17:25:06,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fb4adca/1b2a1cf077d942fd9f5494377fcfd1ef/FLAGb9984e8fd [2022-07-19 17:25:06,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41fb4adca/1b2a1cf077d942fd9f5494377fcfd1ef [2022-07-19 17:25:06,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:25:06,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:25:06,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:25:06,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:25:06,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:25:06,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:25:06" (1/1) ... [2022-07-19 17:25:06,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3f5df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:06, skipping insertion in model container [2022-07-19 17:25:06,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:25:06" (1/1) ... [2022-07-19 17:25:06,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:25:06,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:25:07,003 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_spec4_product22.cil.c[8015,8028] [2022-07-19 17:25:07,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:25:07,078 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:25:07,107 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_spec4_product22.cil.c[8015,8028] [2022-07-19 17:25:07,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:25:07,150 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:25:07,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07 WrapperNode [2022-07-19 17:25:07,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:25:07,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:25:07,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:25:07,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:25:07,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,204 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2022-07-19 17:25:07,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:25:07,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:25:07,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:25:07,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:25:07,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:25:07,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:25:07,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:25:07,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:25:07,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (1/1) ... [2022-07-19 17:25:07,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:25:07,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:25:07,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:25:07,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:25:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:25:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:25:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:25:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:25:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:25:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:25:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:25:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:25:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:25:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:25:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:25:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:25:07,367 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:25:07,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:25:07,671 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:25:07,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:25:07,683 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:25:07,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:07 BoogieIcfgContainer [2022-07-19 17:25:07,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:25:07,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:25:07,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:25:07,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:25:07,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:25:06" (1/3) ... [2022-07-19 17:25:07,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f27bfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:25:07, skipping insertion in model container [2022-07-19 17:25:07,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:25:07" (2/3) ... [2022-07-19 17:25:07,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f27bfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:25:07, skipping insertion in model container [2022-07-19 17:25:07,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:07" (3/3) ... [2022-07-19 17:25:07,695 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2022-07-19 17:25:07,706 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:25:07,706 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:25:07,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:25:07,768 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@1e59e5c8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@74ab89ce [2022-07-19 17:25:07,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:25:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-19 17:25:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-19 17:25:07,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:07,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:07,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:07,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1081284888, now seen corresponding path program 1 times [2022-07-19 17:25:07,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:07,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601330645] [2022-07-19 17:25:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:07,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:25:07,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:07,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601330645] [2022-07-19 17:25:07,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601330645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:07,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:07,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:25:07,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453193738] [2022-07-19 17:25:07,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:08,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:25:08,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:08,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:25:08,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:25:08,027 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:08,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:08,059 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2022-07-19 17:25:08,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:25:08,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-19 17:25:08,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:08,068 INFO L225 Difference]: With dead ends: 158 [2022-07-19 17:25:08,068 INFO L226 Difference]: Without dead ends: 74 [2022-07-19 17:25:08,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:25:08,074 INFO L413 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:08,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:08,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-07-19 17:25:08,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-07-19 17:25:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-19 17:25:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2022-07-19 17:25:08,110 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2022-07-19 17:25:08,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:08,111 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2022-07-19 17:25:08,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2022-07-19 17:25:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-19 17:25:08,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:08,113 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] [2022-07-19 17:25:08,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:25:08,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:08,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1730590592, now seen corresponding path program 1 times [2022-07-19 17:25:08,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:08,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257301509] [2022-07-19 17:25:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:08,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:25:08,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:08,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257301509] [2022-07-19 17:25:08,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257301509] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:08,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:08,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:25:08,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468836654] [2022-07-19 17:25:08,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:08,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:25:08,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:08,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:25:08,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:08,216 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:08,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:08,240 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2022-07-19 17:25:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:25:08,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-19 17:25:08,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:08,242 INFO L225 Difference]: With dead ends: 113 [2022-07-19 17:25:08,242 INFO L226 Difference]: Without dead ends: 65 [2022-07-19 17:25:08,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:08,244 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:08,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-07-19 17:25:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-07-19 17:25:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-19 17:25:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2022-07-19 17:25:08,256 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 20 [2022-07-19 17:25:08,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:08,256 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2022-07-19 17:25:08,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:08,256 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-07-19 17:25:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 17:25:08,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:08,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:25:08,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:25:08,258 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:08,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1455931255, now seen corresponding path program 1 times [2022-07-19 17:25:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:08,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801324129] [2022-07-19 17:25:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:08,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:25:08,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:08,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801324129] [2022-07-19 17:25:08,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801324129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:08,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:08,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:25:08,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537435187] [2022-07-19 17:25:08,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:08,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:25:08,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:08,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:25:08,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:08,336 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:08,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:08,366 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2022-07-19 17:25:08,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:25:08,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-07-19 17:25:08,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:08,371 INFO L225 Difference]: With dead ends: 123 [2022-07-19 17:25:08,371 INFO L226 Difference]: Without dead ends: 65 [2022-07-19 17:25:08,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:25:08,374 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:08,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:25:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-07-19 17:25:08,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-07-19 17:25:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-19 17:25:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-07-19 17:25:08,385 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 25 [2022-07-19 17:25:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:08,385 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-07-19 17:25:08,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-07-19 17:25:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-19 17:25:08,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:08,387 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] [2022-07-19 17:25:08,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:25:08,387 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:08,388 INFO L85 PathProgramCache]: Analyzing trace with hash -930014932, now seen corresponding path program 1 times [2022-07-19 17:25:08,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:08,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800830986] [2022-07-19 17:25:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:08,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:25:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:25:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:25:08,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:08,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800830986] [2022-07-19 17:25:08,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800830986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:08,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:08,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:25:08,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711335186] [2022-07-19 17:25:08,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:08,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:25:08,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:08,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:25:08,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:25:08,506 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:25:08,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:08,770 INFO L93 Difference]: Finished difference Result 196 states and 256 transitions. [2022-07-19 17:25:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:25:08,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2022-07-19 17:25:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:08,776 INFO L225 Difference]: With dead ends: 196 [2022-07-19 17:25:08,777 INFO L226 Difference]: Without dead ends: 138 [2022-07-19 17:25:08,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:25:08,780 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 117 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:08,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 309 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:25:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-07-19 17:25:08,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 116. [2022-07-19 17:25:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.302325581395349) internal successors, (112), 98 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 11 states have return successors, (19), 9 states have call predecessors, (19), 18 states have call successors, (19) [2022-07-19 17:25:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2022-07-19 17:25:08,798 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 35 [2022-07-19 17:25:08,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:08,799 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2022-07-19 17:25:08,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-19 17:25:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2022-07-19 17:25:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-19 17:25:08,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:25:08,801 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, 1, 1, 1] [2022-07-19 17:25:08,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:25:08,802 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:25:08,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:25:08,802 INFO L85 PathProgramCache]: Analyzing trace with hash 320961478, now seen corresponding path program 1 times [2022-07-19 17:25:08,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:25:08,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847626363] [2022-07-19 17:25:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:25:08,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:25:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:25:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:25:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:25:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:25:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:25:08,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:25:08,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847626363] [2022-07-19 17:25:08,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847626363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:25:08,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:25:08,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:25:08,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130749158] [2022-07-19 17:25:08,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:25:08,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:25:08,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:25:08,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:25:08,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:25:08,911 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:25:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:25:09,042 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2022-07-19 17:25:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:25:09,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-07-19 17:25:09,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:25:09,049 INFO L225 Difference]: With dead ends: 195 [2022-07-19 17:25:09,049 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:25:09,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:25:09,058 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 69 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:25:09,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 144 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:25:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:25:09,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:25:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:25:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:25:09,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-07-19 17:25:09,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:25:09,065 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:25:09,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:25:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:25:09,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:25:09,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:25:09,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:25:09,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:25:09,614 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 285 292) the Hoare annotation is: true [2022-07-19 17:25:09,614 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 285 292) no Hoare annotation was computed. [2022-07-19 17:25:09,614 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 285 292) no Hoare annotation was computed. [2022-07-19 17:25:09,614 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2022-07-19 17:25:09,614 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2022-07-19 17:25:09,614 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-07-19 17:25:09,614 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-19 17:25:09,614 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-19 17:25:09,615 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2022-07-19 17:25:09,615 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2022-07-19 17:25:09,615 INFO L902 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2022-07-19 17:25:09,615 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-19 17:25:09,615 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2022-07-19 17:25:09,615 INFO L902 garLoopResultBuilder]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2022-07-19 17:25:09,615 INFO L899 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2022-07-19 17:25:09,615 INFO L902 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2022-07-19 17:25:09,615 INFO L902 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: true [2022-07-19 17:25:09,616 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2022-07-19 17:25:09,616 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,616 INFO L895 garLoopResultBuilder]: At program point L271-1(lines 252 276) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,616 INFO L895 garLoopResultBuilder]: At program point L300(lines 293 303) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,616 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2022-07-19 17:25:09,616 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2022-07-19 17:25:09,616 INFO L895 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2022-07-19 17:25:09,616 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 197 216) no Hoare annotation was computed. [2022-07-19 17:25:09,616 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 268) no Hoare annotation was computed. [2022-07-19 17:25:09,617 INFO L895 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-19 17:25:09,617 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-19 17:25:09,617 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 273) no Hoare annotation was computed. [2022-07-19 17:25:09,617 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2022-07-19 17:25:09,617 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2022-07-19 17:25:09,617 INFO L895 garLoopResultBuilder]: At program point L558-1(lines 550 574) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~5#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-07-19 17:25:09,617 INFO L895 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,617 INFO L895 garLoopResultBuilder]: At program point L546(lines 541 548) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,618 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-19 17:25:09,618 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,618 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,618 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2022-07-19 17:25:09,618 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,618 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2022-07-19 17:25:09,618 INFO L895 garLoopResultBuilder]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,618 INFO L895 garLoopResultBuilder]: At program point L436(lines 387 437) the Hoare annotation is: false [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L895 garLoopResultBuilder]: At program point L164(lines 160 166) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L902 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2022-07-19 17:25:09,619 INFO L899 garLoopResultBuilder]: For program point L408-1(lines 408 414) no Hoare annotation was computed. [2022-07-19 17:25:09,619 INFO L895 garLoopResultBuilder]: At program point L433(lines 388 435) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:09,620 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:09,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:25:09,620 INFO L895 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:25:09,620 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 430) no Hoare annotation was computed. [2022-07-19 17:25:09,620 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 418 431) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:09,620 INFO L899 garLoopResultBuilder]: For program point L389(lines 388 435) no Hoare annotation was computed. [2022-07-19 17:25:09,620 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 431) no Hoare annotation was computed. [2022-07-19 17:25:09,620 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:09,620 INFO L902 garLoopResultBuilder]: At program point L439(lines 378 443) the Hoare annotation is: true [2022-07-19 17:25:09,620 INFO L895 garLoopResultBuilder]: At program point L373(lines 368 375) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:25:09,621 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:25:09,621 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2022-07-19 17:25:09,621 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-07-19 17:25:09,621 INFO L895 garLoopResultBuilder]: At program point L171(lines 167 173) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-19 17:25:09,621 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2022-07-19 17:25:09,621 INFO L902 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2022-07-19 17:25:09,621 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-19 17:25:09,621 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-19 17:25:09,621 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-07-19 17:25:09,622 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 226 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,622 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,622 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,622 INFO L895 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,622 INFO L895 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,622 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2022-07-19 17:25:09,622 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 247) no Hoare annotation was computed. [2022-07-19 17:25:09,622 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-07-19 17:25:09,622 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-07-19 17:25:09,622 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 226 250) no Hoare annotation was computed. [2022-07-19 17:25:09,623 INFO L895 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:25:09,623 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2022-07-19 17:25:09,632 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 17:25:09,634 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:25:09,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:25:09 BoogieIcfgContainer [2022-07-19 17:25:09,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:25:09,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:25:09,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:25:09,667 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:25:09,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:25:07" (3/4) ... [2022-07-19 17:25:09,669 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:25:09,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:25:09,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:25:09,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:25:09,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:25:09,674 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:25:09,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:25:09,675 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:25:09,690 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-19 17:25:09,691 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:25:09,691 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:25:09,691 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:25:09,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:25:09,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:25:09,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:25:09,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:25:09,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) [2022-07-19 17:25:09,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-07-19 17:25:09,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:25:09,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-07-19 17:25:09,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:25:09,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:25:09,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) [2022-07-19 17:25:09,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:25:09,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:25:09,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:25:09,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:25:09,749 INFO L158 Benchmark]: Toolchain (without parser) took 3043.15ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.8MB in the beginning and 81.3MB in the end (delta: -27.5MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2022-07-19 17:25:09,749 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:25:09,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.74ms. Allocated memory is still 88.1MB. Free memory was 53.6MB in the beginning and 55.5MB in the end (delta: -1.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-07-19 17:25:09,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.03ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:25:09,750 INFO L158 Benchmark]: Boogie Preprocessor took 23.82ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 51.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:25:09,750 INFO L158 Benchmark]: RCFGBuilder took 457.02ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.3MB in the beginning and 79.9MB in the end (delta: -28.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-07-19 17:25:09,750 INFO L158 Benchmark]: TraceAbstraction took 1977.95ms. Allocated memory is still 107.0MB. Free memory was 79.4MB in the beginning and 40.0MB in the end (delta: 39.4MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-07-19 17:25:09,750 INFO L158 Benchmark]: Witness Printer took 81.85ms. Allocated memory is still 107.0MB. Free memory was 40.0MB in the beginning and 81.3MB in the end (delta: -41.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-07-19 17:25:09,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.74ms. Allocated memory is still 88.1MB. Free memory was 53.6MB in the beginning and 55.5MB in the end (delta: -1.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.03ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.82ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 51.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.02ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.3MB in the beginning and 79.9MB in the end (delta: -28.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1977.95ms. Allocated memory is still 107.0MB. Free memory was 79.4MB in the beginning and 40.0MB in the end (delta: 39.4MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 81.85ms. Allocated memory is still 107.0MB. Free memory was 40.0MB in the beginning and 81.3MB in the end (delta: -41.3MB). Peak memory consumption was 5.6MB. 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: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 83 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, 283 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 785 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 398 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 387 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 279 PreInvPairs, 303 NumberOfFragments, 379 HoareAnnotationTreeSize, 279 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 615 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 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: 550]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (tmp == 1 && \result == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:25:09,783 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