./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_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 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:34,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:34,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:34,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:34,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:34,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:34,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:34,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:34,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:34,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:34,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:34,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:34,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:34,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:34,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:34,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:34,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:34,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:34,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:34,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:34,502 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:34,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:34,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:34,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:34,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:34,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:34,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:34,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:34,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:34,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:34,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:34,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:34,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:34,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:34,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:34,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:34,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:34,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:34,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:34,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:34,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:34,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:34,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:34,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:34,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:34,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:34,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:34,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:34,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:34,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:34,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:34,552 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:34,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:34,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:34,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:34,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:34,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:34,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:34,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:34,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:34,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:34,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:34,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:34,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:34,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:34,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:34,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:34,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:34,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:34,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:34,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:34,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:34,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:34,557 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:34,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:34,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:34,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2022-07-22 17:37:34,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:34,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:34,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:34,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:34,766 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:34,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2022-07-22 17:37:34,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e110c3303/fb78e89122e044b69eba296b895b2e71/FLAG7a52569ae [2022-07-22 17:37:35,233 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:35,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2022-07-22 17:37:35,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e110c3303/fb78e89122e044b69eba296b895b2e71/FLAG7a52569ae [2022-07-22 17:37:35,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e110c3303/fb78e89122e044b69eba296b895b2e71 [2022-07-22 17:37:35,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:35,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:35,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:35,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:35,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:35,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:35" (1/1) ... [2022-07-22 17:37:35,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4f2650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:35, skipping insertion in model container [2022-07-22 17:37:35,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:35" (1/1) ... [2022-07-22 17:37:35,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:35,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:35,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2022-07-22 17:37:35,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:35,947 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:36,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2022-07-22 17:37:36,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:36,032 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:36,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36 WrapperNode [2022-07-22 17:37:36,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:36,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:36,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:36,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:36,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,095 INFO L137 Inliner]: procedures = 55, calls = 155, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 242 [2022-07-22 17:37:36,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:36,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:36,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:36,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:36,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:36,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:36,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:36,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:36,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (1/1) ... [2022-07-22 17:37:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:36,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:36,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:37:36,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:37:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:37:36,180 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:37:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:36,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:36,182 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:36,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:36,244 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:36,245 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:36,557 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:36,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:36,562 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:36,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:36 BoogieIcfgContainer [2022-07-22 17:37:36,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:36,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:36,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:36,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:36,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:35" (1/3) ... [2022-07-22 17:37:36,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b066eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:36, skipping insertion in model container [2022-07-22 17:37:36,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:36" (2/3) ... [2022-07-22 17:37:36,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b066eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:36, skipping insertion in model container [2022-07-22 17:37:36,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:36" (3/3) ... [2022-07-22 17:37:36,574 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2022-07-22 17:37:36,585 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:36,586 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:36,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:36,640 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@4dbee6e7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3fb59e23 [2022-07-22 17:37:36,640 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-22 17:37:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:36,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:36,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:36,651 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:36,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1586971788, now seen corresponding path program 1 times [2022-07-22 17:37:36,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:36,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034984445] [2022-07-22 17:37:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:36,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:36,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:36,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:36,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034984445] [2022-07-22 17:37:36,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034984445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:36,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:36,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:36,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004964235] [2022-07-22 17:37:36,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:36,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:36,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:36,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:36,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:36,915 INFO L87 Difference]: Start difference. First operand has 90 states, 66 states have (on average 1.378787878787879) internal successors, (91), 74 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:36,951 INFO L93 Difference]: Finished difference Result 171 states and 232 transitions. [2022-07-22 17:37:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:36,953 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:37:36,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:36,960 INFO L225 Difference]: With dead ends: 171 [2022-07-22 17:37:36,960 INFO L226 Difference]: Without dead ends: 81 [2022-07-22 17:37:36,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:36,966 INFO L413 NwaCegarLoop]: 113 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, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:36,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:36,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-07-22 17:37:36,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-07-22 17:37:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:37:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2022-07-22 17:37:37,004 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 25 [2022-07-22 17:37:37,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,004 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2022-07-22 17:37:37,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2022-07-22 17:37:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:37,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:37,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:37,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1156039626, now seen corresponding path program 1 times [2022-07-22 17:37:37,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833593359] [2022-07-22 17:37:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833593359] [2022-07-22 17:37:37,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833593359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:37,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367266014] [2022-07-22 17:37:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:37,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:37,103 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:37,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,130 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2022-07-22 17:37:37,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:37,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:37:37,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,134 INFO L225 Difference]: With dead ends: 126 [2022-07-22 17:37:37,134 INFO L226 Difference]: Without dead ends: 72 [2022-07-22 17:37:37,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:37,137 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:37,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:37,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-07-22 17:37:37,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-07-22 17:37:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 17:37:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-07-22 17:37:37,148 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 26 [2022-07-22 17:37:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,150 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-07-22 17:37:37,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-07-22 17:37:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:37:37,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,154 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] [2022-07-22 17:37:37,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:37,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,156 INFO L85 PathProgramCache]: Analyzing trace with hash -238095145, now seen corresponding path program 1 times [2022-07-22 17:37:37,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138406829] [2022-07-22 17:37:37,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138406829] [2022-07-22 17:37:37,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138406829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:37,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963727213] [2022-07-22 17:37:37,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:37,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:37,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:37,239 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,306 INFO L93 Difference]: Finished difference Result 136 states and 177 transitions. [2022-07-22 17:37:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:37,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-22 17:37:37,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,307 INFO L225 Difference]: With dead ends: 136 [2022-07-22 17:37:37,307 INFO L226 Difference]: Without dead ends: 72 [2022-07-22 17:37:37,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:37,309 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:37,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 221 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-07-22 17:37:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-07-22 17:37:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 60 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 17:37:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-07-22 17:37:37,319 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 31 [2022-07-22 17:37:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,320 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-07-22 17:37:37,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2022-07-22 17:37:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 17:37:37,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,321 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, 1, 1] [2022-07-22 17:37:37,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:37,322 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,322 INFO L85 PathProgramCache]: Analyzing trace with hash -217426330, now seen corresponding path program 1 times [2022-07-22 17:37:37,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620744336] [2022-07-22 17:37:37,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 17:37:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620744336] [2022-07-22 17:37:37,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620744336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:37:37,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18184978] [2022-07-22 17:37:37,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:37:37,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:37:37,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:37,376 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:37:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,582 INFO L93 Difference]: Finished difference Result 226 states and 292 transitions. [2022-07-22 17:37:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 17:37:37,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2022-07-22 17:37:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,584 INFO L225 Difference]: With dead ends: 226 [2022-07-22 17:37:37,585 INFO L226 Difference]: Without dead ends: 162 [2022-07-22 17:37:37,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:37:37,586 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 132 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:37,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 365 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:37,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-22 17:37:37,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 131. [2022-07-22 17:37:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 94 states have (on average 1.297872340425532) internal successors, (122), 107 states have internal predecessors, (122), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-07-22 17:37:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 167 transitions. [2022-07-22 17:37:37,612 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 167 transitions. Word has length 41 [2022-07-22 17:37:37,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,613 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 167 transitions. [2022-07-22 17:37:37,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:37:37,613 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2022-07-22 17:37:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-22 17:37:37,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:37,614 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, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:37,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:37,614 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:37,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:37,615 INFO L85 PathProgramCache]: Analyzing trace with hash 2084305770, now seen corresponding path program 1 times [2022-07-22 17:37:37,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:37,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033566406] [2022-07-22 17:37:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:37:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 17:37:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:37,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:37,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033566406] [2022-07-22 17:37:37,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033566406] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:37,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:37,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:37:37,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124899632] [2022-07-22 17:37:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:37,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:37:37,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:37:37,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:37,669 INFO L87 Difference]: Start difference. First operand 131 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 17:37:37,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:37,779 INFO L93 Difference]: Finished difference Result 218 states and 278 transitions. [2022-07-22 17:37:37,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:37:37,780 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-07-22 17:37:37,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:37,780 INFO L225 Difference]: With dead ends: 218 [2022-07-22 17:37:37,781 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:37,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-22 17:37:37,782 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 71 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:37,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 137 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:37,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 17:37:37,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:37,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-07-22 17:37:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:37,784 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:37,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-22 17:37:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:37,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:37,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:37,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:37:37,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:37:38,248 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 625 632) the Hoare annotation is: true [2022-07-22 17:37:38,248 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 625 632) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 625 632) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 558 564) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 558 564) the Hoare annotation is: true [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 859 870) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 859 870) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 871 879) the Hoare annotation is: true [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 871 879) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 871 879) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L895 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L895 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 534 557) no Hoare annotation was computed. [2022-07-22 17:37:38,249 INFO L895 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,249 INFO L895 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L611-1(lines 592 616) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L640(lines 633 643) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L789(lines 784 791) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 824) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 827) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L649(lines 644 652) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)) .cse1))) [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L810-1(lines 802 830) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1) (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L895 garLoopResultBuilder]: At program point L839-2(lines 835 846) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 537 556) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 608) no Hoare annotation was computed. [2022-07-22 17:37:38,250 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 613) no Hoare annotation was computed. [2022-07-22 17:37:38,251 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 534 557) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,251 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2022-07-22 17:37:38,251 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 534 557) no Hoare annotation was computed. [2022-07-22 17:37:38,251 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2022-07-22 17:37:38,251 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-07-22 17:37:38,251 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-07-22 17:37:38,251 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-07-22 17:37:38,251 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-07-22 17:37:38,252 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-07-22 17:37:38,252 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-07-22 17:37:38,252 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-07-22 17:37:38,252 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-07-22 17:37:38,252 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-07-22 17:37:38,253 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-07-22 17:37:38,253 INFO L899 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2022-07-22 17:37:38,253 INFO L899 garLoopResultBuilder]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2022-07-22 17:37:38,253 INFO L895 garLoopResultBuilder]: At program point L799(lines 794 801) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,253 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 733) no Hoare annotation was computed. [2022-07-22 17:37:38,253 INFO L895 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,253 INFO L895 garLoopResultBuilder]: At program point L944(lines 940 946) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,254 INFO L895 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,254 INFO L895 garLoopResultBuilder]: At program point L775(lines 726 776) the Hoare annotation is: false [2022-07-22 17:37:38,254 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,254 INFO L899 garLoopResultBuilder]: For program point L747(lines 747 753) no Hoare annotation was computed. [2022-07-22 17:37:38,254 INFO L899 garLoopResultBuilder]: For program point L747-1(lines 747 753) no Hoare annotation was computed. [2022-07-22 17:37:38,255 INFO L895 garLoopResultBuilder]: At program point L937(lines 933 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,255 INFO L895 garLoopResultBuilder]: At program point L772(lines 727 774) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,255 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,255 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:37:38,269 INFO L895 garLoopResultBuilder]: At program point L479(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,269 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-07-22 17:37:38,269 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-07-22 17:37:38,269 INFO L902 garLoopResultBuilder]: At program point L492(lines 484 494) the Hoare annotation is: true [2022-07-22 17:37:38,269 INFO L902 garLoopResultBuilder]: At program point L517(lines 498 520) the Hoare annotation is: true [2022-07-22 17:37:38,269 INFO L899 garLoopResultBuilder]: For program point L765(lines 765 769) no Hoare annotation was computed. [2022-07-22 17:37:38,269 INFO L895 garLoopResultBuilder]: At program point L765-2(lines 757 770) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,270 INFO L899 garLoopResultBuilder]: For program point L728(lines 727 774) no Hoare annotation was computed. [2022-07-22 17:37:38,270 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2022-07-22 17:37:38,270 INFO L895 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:37:38,270 INFO L902 garLoopResultBuilder]: At program point L778(lines 717 782) the Hoare annotation is: true [2022-07-22 17:37:38,270 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 847 858) no Hoare annotation was computed. [2022-07-22 17:37:38,270 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 847 858) the Hoare annotation is: true [2022-07-22 17:37:38,270 INFO L899 garLoopResultBuilder]: For program point L851-1(lines 847 858) no Hoare annotation was computed. [2022-07-22 17:37:38,270 INFO L895 garLoopResultBuilder]: At program point L704(lines 689 707) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,271 INFO L895 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,271 INFO L899 garLoopResultBuilder]: For program point L574(lines 574 582) no Hoare annotation was computed. [2022-07-22 17:37:38,271 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 566 590) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,271 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 587) no Hoare annotation was computed. [2022-07-22 17:37:38,271 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 702) no Hoare annotation was computed. [2022-07-22 17:37:38,271 INFO L899 garLoopResultBuilder]: For program point L698-2(lines 698 702) no Hoare annotation was computed. [2022-07-22 17:37:38,271 INFO L895 garLoopResultBuilder]: At program point L917(lines 912 920) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,271 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,272 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 566 590) no Hoare annotation was computed. [2022-07-22 17:37:38,272 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 566 590) no Hoare annotation was computed. [2022-07-22 17:37:38,272 INFO L895 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:37:38,274 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 17:37:38,276 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:37:38,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:37:38 BoogieIcfgContainer [2022-07-22 17:37:38,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:37:38,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:37:38,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:37:38,288 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:37:38,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:36" (3/4) ... [2022-07-22 17:37:38,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:37:38,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:37:38,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:37:38,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:37:38,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:37:38,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:37:38,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:37:38,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:37:38,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:38,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-22 17:37:38,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:37:38,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:37:38,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:37:38,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:37:38,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:38,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:37:38,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-07-22 17:37:38,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-07-22 17:37:38,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-07-22 17:37:38,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-07-22 17:37:38,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-07-22 17:37:38,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-07-22 17:37:38,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-22 17:37:38,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) [2022-07-22 17:37:38,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:37:38,333 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:37:38,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:37:38,333 INFO L158 Benchmark]: Toolchain (without parser) took 2722.29ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 78.0MB in the beginning and 113.6MB in the end (delta: -35.6MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,333 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:37:38,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.86ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 78.0MB in the beginning and 112.4MB in the end (delta: -34.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.30ms. Allocated memory is still 146.8MB. Free memory was 112.4MB in the beginning and 109.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,334 INFO L158 Benchmark]: Boogie Preprocessor took 17.50ms. Allocated memory is still 146.8MB. Free memory was 109.9MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,334 INFO L158 Benchmark]: RCFGBuilder took 452.57ms. Allocated memory is still 146.8MB. Free memory was 108.3MB in the beginning and 92.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,335 INFO L158 Benchmark]: TraceAbstraction took 1719.07ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 118.9MB in the end (delta: -27.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,335 INFO L158 Benchmark]: Witness Printer took 44.96ms. Allocated memory is still 146.8MB. Free memory was 118.9MB in the beginning and 113.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:37:38,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.86ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 78.0MB in the beginning and 112.4MB in the end (delta: -34.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.30ms. Allocated memory is still 146.8MB. Free memory was 112.4MB in the beginning and 109.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.50ms. Allocated memory is still 146.8MB. Free memory was 109.9MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.57ms. Allocated memory is still 146.8MB. Free memory was 108.3MB in the beginning and 92.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1719.07ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 118.9MB in the end (delta: -27.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Witness Printer took 44.96ms. Allocated memory is still 146.8MB. Free memory was 118.9MB in the beginning and 113.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 1001 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 307 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 417 mSDtfsCounter, 307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 294 PreInvPairs, 318 NumberOfFragments, 380 HoareAnnotationTreeSize, 294 FomulaSimplifications, 83 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 685 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 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: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2022-07-22 17:37:38,379 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