./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product56.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_product56.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 fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:54,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:54,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:54,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:54,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:54,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:54,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:54,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:54,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:54,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:54,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:54,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:54,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:54,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:54,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:54,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:54,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:54,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:54,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:54,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:54,313 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:54,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:54,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:54,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:54,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:54,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:54,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:54,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:54,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:54,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:54,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:54,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:54,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:54,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:54,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:54,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:54,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:54,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:54,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:54,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:54,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:54,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:54,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:54,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:54,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:54,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:54,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:54,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:54,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:54,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:54,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:54,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:54,391 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:54,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:54,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:54,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:54,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:54,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:54,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:54,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:54,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:54,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:54,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:54,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:54,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:54,409 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:54,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:54,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:54,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2022-07-22 17:37:54,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:54,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:54,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:54,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:54,785 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:54,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2022-07-22 17:37:54,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f806ab909/2dbf0d0ffa2a4a74804d76217f7a9665/FLAGd6bfe549b [2022-07-22 17:37:55,236 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:55,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2022-07-22 17:37:55,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f806ab909/2dbf0d0ffa2a4a74804d76217f7a9665/FLAGd6bfe549b [2022-07-22 17:37:55,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f806ab909/2dbf0d0ffa2a4a74804d76217f7a9665 [2022-07-22 17:37:55,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:55,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:55,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:55,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:55,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:55,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:55" (1/1) ... [2022-07-22 17:37:55,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d14dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:55, skipping insertion in model container [2022-07-22 17:37:55,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:55" (1/1) ... [2022-07-22 17:37:55,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:55,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:55,949 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_product56.cil.c[11292,11305] [2022-07-22 17:37:56,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:56,010 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:56,072 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_product56.cil.c[11292,11305] [2022-07-22 17:37:56,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:56,118 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:56,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56 WrapperNode [2022-07-22 17:37:56,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:56,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:56,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:56,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:56,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,194 INFO L137 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 285 [2022-07-22 17:37:56,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:56,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:56,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:56,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:56,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:56,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:56,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:56,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:56,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (1/1) ... [2022-07-22 17:37:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:56,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:56,273 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 17:37:56,278 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 17:37:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:37:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:37:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:37:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:37:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:56,351 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:56,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:56,616 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:56,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:56,622 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:56,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:56 BoogieIcfgContainer [2022-07-22 17:37:56,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:56,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:56,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:56,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:56,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:55" (1/3) ... [2022-07-22 17:37:56,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57107c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:56, skipping insertion in model container [2022-07-22 17:37:56,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:56" (2/3) ... [2022-07-22 17:37:56,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57107c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:56, skipping insertion in model container [2022-07-22 17:37:56,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:56" (3/3) ... [2022-07-22 17:37:56,637 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2022-07-22 17:37:56,651 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:56,651 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:56,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:56,708 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@2b9eae4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4dd15323 [2022-07-22 17:37:56,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-22 17:37:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:56,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:56,721 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 17:37:56,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:56,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1548791886, now seen corresponding path program 1 times [2022-07-22 17:37:56,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:56,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115824000] [2022-07-22 17:37:56,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:56,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,936 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 17:37:56,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:56,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115824000] [2022-07-22 17:37:56,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115824000] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:56,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:56,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:56,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153491473] [2022-07-22 17:37:56,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:56,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:56,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:56,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:56,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:56,971 INFO L87 Difference]: Start difference. First operand has 107 states, 79 states have (on average 1.379746835443038) internal successors, (109), 90 states have internal predecessors, (109), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) 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 17:37:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,000 INFO L93 Difference]: Finished difference Result 205 states and 280 transitions. [2022-07-22 17:37:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:57,003 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 17:37:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,009 INFO L225 Difference]: With dead ends: 205 [2022-07-22 17:37:57,009 INFO L226 Difference]: Without dead ends: 98 [2022-07-22 17:37:57,018 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 17:37:57,021 INFO L413 NwaCegarLoop]: 137 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, 137 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 17:37:57,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:57,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-07-22 17:37:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-07-22 17:37:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 82 states have internal predecessors, (95), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-22 17:37:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 128 transitions. [2022-07-22 17:37:57,072 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 128 transitions. Word has length 25 [2022-07-22 17:37:57,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,072 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 128 transitions. [2022-07-22 17:37:57,073 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 17:37:57,073 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 128 transitions. [2022-07-22 17:37:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:57,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,076 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 17:37:57,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:57,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1194219528, now seen corresponding path program 1 times [2022-07-22 17:37:57,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269486083] [2022-07-22 17:37:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,150 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 17:37:57,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269486083] [2022-07-22 17:37:57,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269486083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:57,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291507467] [2022-07-22 17:37:57,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:57,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:57,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:57,154 INFO L87 Difference]: Start difference. First operand 98 states and 128 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 17:37:57,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,167 INFO L93 Difference]: Finished difference Result 156 states and 204 transitions. [2022-07-22 17:37:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:57,168 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 17:37:57,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,169 INFO L225 Difference]: With dead ends: 156 [2022-07-22 17:37:57,169 INFO L226 Difference]: Without dead ends: 89 [2022-07-22 17:37:57,170 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 17:37:57,171 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 17 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 208 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 17:37:57,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:57,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-22 17:37:57,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-22 17:37:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 76 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-22 17:37:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 116 transitions. [2022-07-22 17:37:57,179 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 116 transitions. Word has length 26 [2022-07-22 17:37:57,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,180 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 116 transitions. [2022-07-22 17:37:57,180 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 17:37:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2022-07-22 17:37:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-22 17:37:57,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,181 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 17:37:57,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:57,182 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,182 INFO L85 PathProgramCache]: Analyzing trace with hash -72231615, now seen corresponding path program 1 times [2022-07-22 17:37:57,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068853388] [2022-07-22 17:37:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 17:37:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,241 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 17:37:57,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068853388] [2022-07-22 17:37:57,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068853388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:57,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705773792] [2022-07-22 17:37:57,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:57,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:57,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:57,244 INFO L87 Difference]: Start difference. First operand 89 states and 116 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 17:37:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,315 INFO L93 Difference]: Finished difference Result 213 states and 281 transitions. [2022-07-22 17:37:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:37:57,316 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 17:37:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,318 INFO L225 Difference]: With dead ends: 213 [2022-07-22 17:37:57,318 INFO L226 Difference]: Without dead ends: 132 [2022-07-22 17:37:57,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:37:57,319 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 181 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:57,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 384 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-07-22 17:37:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2022-07-22 17:37:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 109 states have internal predecessors, (130), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (20), 13 states have call predecessors, (20), 19 states have call successors, (20) [2022-07-22 17:37:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 169 transitions. [2022-07-22 17:37:57,332 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 169 transitions. Word has length 31 [2022-07-22 17:37:57,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,332 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 169 transitions. [2022-07-22 17:37:57,333 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 17:37:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 169 transitions. [2022-07-22 17:37:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-22 17:37:57,334 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:57,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:57,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,335 INFO L85 PathProgramCache]: Analyzing trace with hash 301498308, now seen corresponding path program 1 times [2022-07-22 17:37:57,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678162736] [2022-07-22 17:37:57,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,390 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 17:37:57,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678162736] [2022-07-22 17:37:57,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678162736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:57,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642209623] [2022-07-22 17:37:57,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:57,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:57,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:57,393 INFO L87 Difference]: Start difference. First operand 129 states and 169 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:57,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,487 INFO L93 Difference]: Finished difference Result 369 states and 494 transitions. [2022-07-22 17:37:57,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:37:57,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-07-22 17:37:57,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,495 INFO L225 Difference]: With dead ends: 369 [2022-07-22 17:37:57,495 INFO L226 Difference]: Without dead ends: 248 [2022-07-22 17:37:57,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:57,500 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 84 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:57,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 574 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:57,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-07-22 17:37:57,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 242. [2022-07-22 17:37:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 177 states have (on average 1.3389830508474576) internal successors, (237), 202 states have internal predecessors, (237), 38 states have call successors, (38), 26 states have call predecessors, (38), 26 states have return successors, (42), 26 states have call predecessors, (42), 38 states have call successors, (42) [2022-07-22 17:37:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 317 transitions. [2022-07-22 17:37:57,533 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 317 transitions. Word has length 34 [2022-07-22 17:37:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,533 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 317 transitions. [2022-07-22 17:37:57,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 317 transitions. [2022-07-22 17:37:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-22 17:37:57,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,535 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] [2022-07-22 17:37:57,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:57,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash -393513024, now seen corresponding path program 1 times [2022-07-22 17:37:57,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734606682] [2022-07-22 17:37:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:37:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,597 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 17:37:57,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734606682] [2022-07-22 17:37:57,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734606682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:57,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987870539] [2022-07-22 17:37:57,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:57,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:57,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:57,599 INFO L87 Difference]: Start difference. First operand 242 states and 317 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:57,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,839 INFO L93 Difference]: Finished difference Result 562 states and 759 transitions. [2022-07-22 17:37:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:37:57,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-07-22 17:37:57,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,841 INFO L225 Difference]: With dead ends: 562 [2022-07-22 17:37:57,841 INFO L226 Difference]: Without dead ends: 328 [2022-07-22 17:37:57,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:37:57,843 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 127 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:57,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 216 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:37:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-07-22 17:37:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 317. [2022-07-22 17:37:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 234 states have (on average 1.2735042735042734) internal successors, (298), 255 states have internal predecessors, (298), 44 states have call successors, (44), 38 states have call predecessors, (44), 38 states have return successors, (63), 40 states have call predecessors, (63), 44 states have call successors, (63) [2022-07-22 17:37:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 405 transitions. [2022-07-22 17:37:57,867 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 405 transitions. Word has length 38 [2022-07-22 17:37:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,868 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 405 transitions. [2022-07-22 17:37:57,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:37:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 405 transitions. [2022-07-22 17:37:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-22 17:37:57,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:57,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:37:57,871 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1783950440, now seen corresponding path program 1 times [2022-07-22 17:37:57,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032285625] [2022-07-22 17:37:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:37:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:37:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,914 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 17:37:57,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032285625] [2022-07-22 17:37:57,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032285625] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:57,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194759554] [2022-07-22 17:37:57,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:57,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:57,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:57,916 INFO L87 Difference]: Start difference. First operand 317 states and 405 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:58,148 INFO L93 Difference]: Finished difference Result 681 states and 864 transitions. [2022-07-22 17:37:58,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:37:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-07-22 17:37:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:58,150 INFO L225 Difference]: With dead ends: 681 [2022-07-22 17:37:58,151 INFO L226 Difference]: Without dead ends: 372 [2022-07-22 17:37:58,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:37:58,168 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 165 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:58,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 229 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:37:58,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-07-22 17:37:58,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 366. [2022-07-22 17:37:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 269 states have (on average 1.245353159851301) internal successors, (335), 290 states have internal predecessors, (335), 48 states have call successors, (48), 38 states have call predecessors, (48), 48 states have return successors, (73), 52 states have call predecessors, (73), 48 states have call successors, (73) [2022-07-22 17:37:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 456 transitions. [2022-07-22 17:37:58,200 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 456 transitions. Word has length 57 [2022-07-22 17:37:58,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:58,201 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 456 transitions. [2022-07-22 17:37:58,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 456 transitions. [2022-07-22 17:37:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-22 17:37:58,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:58,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:58,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:37:58,208 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:58,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1948781245, now seen corresponding path program 1 times [2022-07-22 17:37:58,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:58,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093286000] [2022-07-22 17:37:58,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:58,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:37:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:37:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,312 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 17:37:58,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:58,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093286000] [2022-07-22 17:37:58,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093286000] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:58,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:58,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:37:58,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091837617] [2022-07-22 17:37:58,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:58,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:37:58,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:58,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:37:58,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:58,317 INFO L87 Difference]: Start difference. First operand 366 states and 456 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:58,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:58,576 INFO L93 Difference]: Finished difference Result 738 states and 935 transitions. [2022-07-22 17:37:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:37:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-07-22 17:37:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:58,581 INFO L225 Difference]: With dead ends: 738 [2022-07-22 17:37:58,581 INFO L226 Difference]: Without dead ends: 380 [2022-07-22 17:37:58,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:37:58,586 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 141 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:58,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 236 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:37:58,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-07-22 17:37:58,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2022-07-22 17:37:58,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 275 states have (on average 1.24) internal successors, (341), 296 states have internal predecessors, (341), 48 states have call successors, (48), 38 states have call predecessors, (48), 48 states have return successors, (73), 52 states have call predecessors, (73), 48 states have call successors, (73) [2022-07-22 17:37:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 462 transitions. [2022-07-22 17:37:58,621 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 462 transitions. Word has length 54 [2022-07-22 17:37:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:58,621 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 462 transitions. [2022-07-22 17:37:58,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 462 transitions. [2022-07-22 17:37:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-22 17:37:58,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:58,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:58,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:37:58,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:58,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:58,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1526079419, now seen corresponding path program 1 times [2022-07-22 17:37:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:58,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316297014] [2022-07-22 17:37:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:37:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:37:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,684 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 17:37:58,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:58,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316297014] [2022-07-22 17:37:58,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316297014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:58,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:58,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:58,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123873536] [2022-07-22 17:37:58,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:58,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:58,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:58,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:58,686 INFO L87 Difference]: Start difference. First operand 372 states and 462 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:58,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:58,862 INFO L93 Difference]: Finished difference Result 754 states and 963 transitions. [2022-07-22 17:37:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:37:58,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-07-22 17:37:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:58,865 INFO L225 Difference]: With dead ends: 754 [2022-07-22 17:37:58,865 INFO L226 Difference]: Without dead ends: 390 [2022-07-22 17:37:58,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:37:58,866 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:58,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 208 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:58,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-07-22 17:37:58,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 376. [2022-07-22 17:37:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 279 states have (on average 1.2365591397849462) internal successors, (345), 300 states have internal predecessors, (345), 48 states have call successors, (48), 38 states have call predecessors, (48), 48 states have return successors, (73), 52 states have call predecessors, (73), 48 states have call successors, (73) [2022-07-22 17:37:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 466 transitions. [2022-07-22 17:37:58,882 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 466 transitions. Word has length 54 [2022-07-22 17:37:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:58,882 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 466 transitions. [2022-07-22 17:37:58,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 466 transitions. [2022-07-22 17:37:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-07-22 17:37:58,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:58,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:58,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:37:58,884 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:58,884 INFO L85 PathProgramCache]: Analyzing trace with hash 963449543, now seen corresponding path program 1 times [2022-07-22 17:37:58,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:58,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078032232] [2022-07-22 17:37:58,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:58,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:37:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:37:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,952 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 17:37:58,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:58,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078032232] [2022-07-22 17:37:58,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078032232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:58,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:58,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:58,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114279377] [2022-07-22 17:37:58,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:58,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:58,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:58,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:58,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:58,955 INFO L87 Difference]: Start difference. First operand 376 states and 466 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:37:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:59,284 INFO L93 Difference]: Finished difference Result 1140 states and 1465 transitions. [2022-07-22 17:37:59,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 17:37:59,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2022-07-22 17:37:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:59,288 INFO L225 Difference]: With dead ends: 1140 [2022-07-22 17:37:59,288 INFO L226 Difference]: Without dead ends: 772 [2022-07-22 17:37:59,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:37:59,290 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 348 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:59,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 276 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 17:37:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-07-22 17:37:59,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 770. [2022-07-22 17:37:59,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 573 states have (on average 1.2076788830715532) internal successors, (692), 610 states have internal predecessors, (692), 100 states have call successors, (100), 92 states have call predecessors, (100), 96 states have return successors, (162), 100 states have call predecessors, (162), 100 states have call successors, (162) [2022-07-22 17:37:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 954 transitions. [2022-07-22 17:37:59,333 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 954 transitions. Word has length 54 [2022-07-22 17:37:59,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:59,333 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 954 transitions. [2022-07-22 17:37:59,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:37:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 954 transitions. [2022-07-22 17:37:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-22 17:37:59,334 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:59,335 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:59,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:37:59,335 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:59,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:59,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1198586465, now seen corresponding path program 1 times [2022-07-22 17:37:59,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:59,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395490360] [2022-07-22 17:37:59,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:59,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:37:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:37:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:37:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 17:37:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,380 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 17:37:59,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:59,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395490360] [2022-07-22 17:37:59,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395490360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:59,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:59,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:59,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348456678] [2022-07-22 17:37:59,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:59,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:59,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:59,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:59,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:59,382 INFO L87 Difference]: Start difference. First operand 770 states and 954 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:37:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:59,774 INFO L93 Difference]: Finished difference Result 1368 states and 1767 transitions. [2022-07-22 17:37:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 17:37:59,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-07-22 17:37:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:59,780 INFO L225 Difference]: With dead ends: 1368 [2022-07-22 17:37:59,780 INFO L226 Difference]: Without dead ends: 1366 [2022-07-22 17:37:59,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:37:59,781 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 479 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:59,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 202 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 17:37:59,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2022-07-22 17:37:59,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1062. [2022-07-22 17:37:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 785 states have (on average 1.2101910828025477) internal successors, (950), 846 states have internal predecessors, (950), 143 states have call successors, (143), 110 states have call predecessors, (143), 133 states have return successors, (278), 142 states have call predecessors, (278), 143 states have call successors, (278) [2022-07-22 17:37:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1371 transitions. [2022-07-22 17:37:59,823 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1371 transitions. Word has length 58 [2022-07-22 17:37:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:59,823 INFO L495 AbstractCegarLoop]: Abstraction has 1062 states and 1371 transitions. [2022-07-22 17:37:59,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:37:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1371 transitions. [2022-07-22 17:37:59,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-22 17:37:59,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:59,826 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 17:37:59,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:37:59,827 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:59,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:59,827 INFO L85 PathProgramCache]: Analyzing trace with hash -832622466, now seen corresponding path program 1 times [2022-07-22 17:37:59,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:59,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401231942] [2022-07-22 17:37:59,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:59,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:37:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:37:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:37:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:37:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:37:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:37:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 17:37:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-22 17:37:59,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:59,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401231942] [2022-07-22 17:37:59,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401231942] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:37:59,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498970420] [2022-07-22 17:37:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:59,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:37:59,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:59,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:37:59,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:38:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 17:38:00,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:38:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:00,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:38:00,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498970420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:00,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:38:00,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-22 17:38:00,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581369037] [2022-07-22 17:38:00,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:00,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:38:00,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:00,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:38:00,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:38:00,115 INFO L87 Difference]: Start difference. First operand 1062 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-22 17:38:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:00,172 INFO L93 Difference]: Finished difference Result 1830 states and 2407 transitions. [2022-07-22 17:38:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:38:00,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2022-07-22 17:38:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:00,176 INFO L225 Difference]: With dead ends: 1830 [2022-07-22 17:38:00,177 INFO L226 Difference]: Without dead ends: 950 [2022-07-22 17:38:00,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:38:00,180 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 53 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:00,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 233 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:00,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-07-22 17:38:00,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2022-07-22 17:38:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 702 states have (on average 1.1851851851851851) internal successors, (832), 758 states have internal predecessors, (832), 128 states have call successors, (128), 103 states have call predecessors, (128), 119 states have return successors, (189), 125 states have call predecessors, (189), 128 states have call successors, (189) [2022-07-22 17:38:00,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1149 transitions. [2022-07-22 17:38:00,215 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1149 transitions. Word has length 102 [2022-07-22 17:38:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:00,216 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1149 transitions. [2022-07-22 17:38:00,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-22 17:38:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1149 transitions. [2022-07-22 17:38:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 17:38:00,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:00,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:00,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:38:00,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 17:38:00,439 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:00,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:00,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1470383360, now seen corresponding path program 1 times [2022-07-22 17:38:00,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:00,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208062873] [2022-07-22 17:38:00,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:38:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:38:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-22 17:38:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:38:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:38:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-22 17:38:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 17:38:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 17:38:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-22 17:38:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-22 17:38:00,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:00,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208062873] [2022-07-22 17:38:00,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208062873] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:38:00,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118393793] [2022-07-22 17:38:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:00,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:38:00,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:38:00,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:38:00,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:38:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:00,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:38:00,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:38:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 17:38:00,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:38:00,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118393793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:00,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:38:00,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-07-22 17:38:00,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299228404] [2022-07-22 17:38:00,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:00,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:38:00,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:00,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:38:00,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-22 17:38:00,816 INFO L87 Difference]: Start difference. First operand 950 states and 1149 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 17:38:00,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:00,908 INFO L93 Difference]: Finished difference Result 1753 states and 2113 transitions. [2022-07-22 17:38:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:38:00,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2022-07-22 17:38:00,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:00,909 INFO L225 Difference]: With dead ends: 1753 [2022-07-22 17:38:00,909 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:38:00,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-07-22 17:38:00,912 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 53 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:00,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 940 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:00,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:38:00,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:38:00,913 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 17:38:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:38:00,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2022-07-22 17:38:00,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:00,914 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:38:00,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 17:38:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:38:00,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:38:00,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:38:00,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 17:38:01,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-22 17:38:01,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:38:05,664 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 702 709) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2022-07-22 17:38:05,664 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2022-07-22 17:38:05,664 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2022-07-22 17:38:05,664 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 609 615) no Hoare annotation was computed. [2022-07-22 17:38:05,664 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 609 615) the Hoare annotation is: true [2022-07-22 17:38:05,664 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 459 470) no Hoare annotation was computed. [2022-07-22 17:38:05,665 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 459 470) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse4 .cse2 .cse5) (or .cse6 .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse1 .cse3))) [2022-07-22 17:38:05,665 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 459 470) no Hoare annotation was computed. [2022-07-22 17:38:05,665 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 937 966) no Hoare annotation was computed. [2022-07-22 17:38:05,665 INFO L899 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2022-07-22 17:38:05,666 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 937 966) the Hoare annotation is: true [2022-07-22 17:38:05,666 INFO L899 garLoopResultBuilder]: For program point L951(lines 951 955) no Hoare annotation was computed. [2022-07-22 17:38:05,666 INFO L902 garLoopResultBuilder]: At program point L951-1(lines 951 955) the Hoare annotation is: true [2022-07-22 17:38:05,666 INFO L899 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2022-07-22 17:38:05,666 INFO L902 garLoopResultBuilder]: At program point L947-2(lines 947 961) the Hoare annotation is: true [2022-07-22 17:38:05,666 INFO L902 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: true [2022-07-22 17:38:05,666 INFO L899 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2022-07-22 17:38:05,666 INFO L902 garLoopResultBuilder]: At program point L962(lines 937 966) the Hoare annotation is: true [2022-07-22 17:38:05,666 INFO L895 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse2 (not .cse9)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse4 (and .cse5 .cse6 .cse7) .cse3) (or .cse0 .cse4 .cse6 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse4 (and .cse5 .cse7) .cse1) (or .cse4 .cse8 .cse3 .cse9) (or .cse8 .cse3 .cse9 (not (<= 2 |old(~waterLevel~0)|))) (or .cse8 .cse1 .cse9)))) [2022-07-22 17:38:05,667 INFO L895 garLoopResultBuilder]: At program point L688-1(lines 669 693) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse7 (not .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse14 (not (= |old(~waterLevel~0)| 1))) (.cse1 (and .cse8 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse8 .cse12)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse2 .cse6 .cse4) (or .cse5 .cse0 .cse9 (and .cse10 .cse11 .cse12) .cse6) (or .cse5 .cse3 .cse7) (or .cse5 .cse0 .cse13 .cse14 .cse6) (or .cse5 .cse0 .cse13 .cse14 .cse3) (or .cse1 .cse2 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse0 .cse9 (and .cse10 .cse13 .cse11 .cse12) .cse3)))) [2022-07-22 17:38:05,667 INFO L895 garLoopResultBuilder]: At program point L717(lines 710 720) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse7 (not .cse4)) (.cse3 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse6 .cse7) (or .cse5 .cse1 .cse7) (or .cse8 .cse0 .cse1 (and .cse2 (= ~methAndRunningLastTime~0 0) .cse3) .cse4) (or .cse2 .cse0 .cse6 .cse4) (or .cse5 .cse8 .cse1) (or .cse5 .cse8 .cse6)))) [2022-07-22 17:38:05,667 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 588 607) no Hoare annotation was computed. [2022-07-22 17:38:05,667 INFO L895 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse8 (= 0 ~systemActive~0))) (let ((.cse3 (not .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse14 (not (= |old(~waterLevel~0)| 1))) (.cse6 (and .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (and .cse9 .cse12)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse2 .cse8) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse7 .cse4 .cse8) (or .cse0 .cse5 .cse1 (and .cse10 .cse11 .cse12) .cse4) (or .cse0 .cse5 .cse13 .cse14 .cse4) (or .cse0 .cse5 .cse13 .cse14 .cse2) (or .cse6 .cse7 .cse2 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse5 .cse1 (and .cse10 .cse13 .cse11 .cse12) .cse2)))) [2022-07-22 17:38:05,667 INFO L899 garLoopResultBuilder]: For program point L552-1(line 552) no Hoare annotation was computed. [2022-07-22 17:38:05,667 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 585 608) no Hoare annotation was computed. [2022-07-22 17:38:05,668 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-07-22 17:38:05,668 INFO L895 garLoopResultBuilder]: At program point L726(lines 721 729) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (and .cse11 .cse12 .cse7)) (.cse9 (not .cse4)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse12 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 (and (<= 1 ~pumpRunning~0) .cse6 (<= 2 ~waterLevel~0) .cse7) .cse2 .cse8) (or .cse5 .cse2 .cse8 .cse9) (or .cse5 .cse10 .cse9) (or .cse5 .cse0 .cse6 (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse1 .cse2 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse10 .cse4) (or .cse5 .cse0 .cse10)))) [2022-07-22 17:38:05,668 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2022-07-22 17:38:05,668 INFO L895 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse2 (not .cse6)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse5 .cse3 .cse6) (or .cse5 .cse3 .cse6 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse1 .cse6) (or .cse0 .cse4 .cse3) (or .cse0 .cse4 .cse1)))) [2022-07-22 17:38:05,669 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2022-07-22 17:38:05,669 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 568) no Hoare annotation was computed. [2022-07-22 17:38:05,670 INFO L895 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse7 (not .cse4)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and .cse2 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse5 .cse3 .cse7) (or .cse2 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse3) (or .cse5 .cse0 .cse6) (or .cse2 .cse1 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-07-22 17:38:05,670 INFO L899 garLoopResultBuilder]: For program point L715-1(line 715) no Hoare annotation was computed. [2022-07-22 17:38:05,670 INFO L899 garLoopResultBuilder]: For program point L554(lines 554 571) no Hoare annotation was computed. [2022-07-22 17:38:05,670 INFO L895 garLoopResultBuilder]: At program point L554-1(lines 546 574) the Hoare annotation is: (let ((.cse11 (= 0 ~systemActive~0)) (.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse5 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse10 .cse5 .cse6 .cse8)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse12 (and .cse10 .cse6 .cse16 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (not .cse11)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (and .cse10 .cse6 .cse8)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse13 (not .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse9 (and .cse10 .cse5 .cse6) .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) .cse11) (or .cse12 .cse9 .cse13 .cse11 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse3 .cse14) (or .cse1 .cse12 .cse9 .cse13 .cse11) (or .cse0 .cse15 .cse13 .cse14) (or .cse0 .cse1 .cse15 (and .cse4 .cse7 .cse8) .cse13)))) [2022-07-22 17:38:05,670 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-07-22 17:38:05,670 INFO L895 garLoopResultBuilder]: At program point L439-2(lines 435 446) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse7 (not .cse4)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and .cse2 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse5 .cse3 .cse7) (or .cse2 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse3) (or .cse5 .cse0 .cse6) (or .cse2 .cse1 .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-07-22 17:38:05,670 INFO L899 garLoopResultBuilder]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2022-07-22 17:38:05,671 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 585 608) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and .cse14 .cse12)) (.cse7 (not .cse3)) (.cse2 (and .cse11 .cse12)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (and .cse14 .cse9 .cse12)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse4 .cse5 .cse1 .cse7) (or .cse0 .cse6 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse8 .cse9 .cse10 .cse1) (or .cse4 .cse8 .cse9 .cse10 .cse6) (or (and .cse11 .cse9 .cse12) .cse8 .cse0 .cse6 .cse3) (or .cse4 .cse8 .cse13 .cse6 .cse3) (or .cse4 .cse8 .cse13 .cse1 .cse3)))) [2022-07-22 17:38:05,671 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 565) no Hoare annotation was computed. [2022-07-22 17:38:05,671 INFO L895 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse2 (not .cse5)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1 .cse5) (or .cse6 .cse4 .cse3 .cse5) (or .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse3) (or .cse0 .cse6 .cse1)))) [2022-07-22 17:38:05,671 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 585 608) no Hoare annotation was computed. [2022-07-22 17:38:05,671 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-07-22 17:38:05,671 INFO L895 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse5 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse9 (not .cse2)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse0 (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse1 .cse2) (or .cse7 .cse8 .cse9) (or .cse7 .cse1 .cse9) (or .cse3 .cse0 .cse8 .cse2) (or .cse7 .cse6 .cse1) (or .cse7 .cse6 .cse8)))) [2022-07-22 17:38:05,671 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 471 479) the Hoare annotation is: true [2022-07-22 17:38:05,672 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 471 479) no Hoare annotation was computed. [2022-07-22 17:38:05,672 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 471 479) no Hoare annotation was computed. [2022-07-22 17:38:05,672 INFO L895 garLoopResultBuilder]: At program point L543(lines 538 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:38:05,672 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4))) [2022-07-22 17:38:05,672 INFO L895 garLoopResultBuilder]: At program point L923(lines 919 925) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:38:05,672 INFO L895 garLoopResultBuilder]: At program point L824(lines 819 826) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 .cse4 .cse5 .cse6))) [2022-07-22 17:38:05,673 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4))) [2022-07-22 17:38:05,673 INFO L899 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2022-07-22 17:38:05,673 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2022-07-22 17:38:05,673 INFO L895 garLoopResultBuilder]: At program point L816(lines 804 818) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-07-22 17:38:05,673 INFO L902 garLoopResultBuilder]: At program point L1006(lines 998 1008) the Hoare annotation is: true [2022-07-22 17:38:05,673 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-07-22 17:38:05,673 INFO L899 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L899 garLoopResultBuilder]: For program point L808-1(lines 808 814) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L899 garLoopResultBuilder]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L899 garLoopResultBuilder]: For program point L1019-2(lines 1019 1026) no Hoare annotation was computed. [2022-07-22 17:38:05,674 INFO L895 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:38:05,675 INFO L902 garLoopResultBuilder]: At program point L1028(lines 1009 1031) the Hoare annotation is: true [2022-07-22 17:38:05,675 INFO L895 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:38:05,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:38:05,675 INFO L902 garLoopResultBuilder]: At program point L892(lines 829 896) the Hoare annotation is: true [2022-07-22 17:38:05,676 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2022-07-22 17:38:05,676 INFO L899 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2022-07-22 17:38:05,676 INFO L895 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4))) [2022-07-22 17:38:05,676 INFO L895 garLoopResultBuilder]: At program point L810(line 810) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:38:05,677 INFO L895 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2022-07-22 17:38:05,677 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-07-22 17:38:05,677 INFO L895 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (not .cse7)) (.cse6 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (and .cse6 .cse8 .cse9 .cse2 .cse3 .cse4) (and .cse6 .cse9 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse8 .cse1 .cse2 .cse3 .cse4)))) [2022-07-22 17:38:05,677 INFO L899 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2022-07-22 17:38:05,677 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2022-07-22 17:38:05,677 INFO L895 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-22 17:38:05,678 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 617 641) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3))) [2022-07-22 17:38:05,678 INFO L895 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2022-07-22 17:38:05,678 INFO L899 garLoopResultBuilder]: For program point L636-1(lines 617 641) no Hoare annotation was computed. [2022-07-22 17:38:05,678 INFO L895 garLoopResultBuilder]: At program point L781(lines 766 784) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4)))) [2022-07-22 17:38:05,679 INFO L895 garLoopResultBuilder]: At program point L521(lines 512 525) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-07-22 17:38:05,679 INFO L899 garLoopResultBuilder]: For program point L775(lines 775 779) no Hoare annotation was computed. [2022-07-22 17:38:05,679 INFO L899 garLoopResultBuilder]: For program point L775-2(lines 775 779) no Hoare annotation was computed. [2022-07-22 17:38:05,679 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 617 641) no Hoare annotation was computed. [2022-07-22 17:38:05,679 INFO L895 garLoopResultBuilder]: At program point L699(lines 694 701) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse3 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse2))) [2022-07-22 17:38:05,680 INFO L895 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse2) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse3))) [2022-07-22 17:38:05,680 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2022-07-22 17:38:05,680 INFO L899 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2022-07-22 17:38:05,680 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2022-07-22 17:38:05,681 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 447 458) no Hoare annotation was computed. [2022-07-22 17:38:05,681 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 447 458) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= 0 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse0 .cse2 .cse5) (or .cse6 .cse4 .cse2 .cse5))) [2022-07-22 17:38:05,681 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 447 458) no Hoare annotation was computed. [2022-07-22 17:38:05,681 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 643 667) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3))) [2022-07-22 17:38:05,681 INFO L895 garLoopResultBuilder]: At program point L531(lines 526 534) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2022-07-22 17:38:05,681 INFO L895 garLoopResultBuilder]: At program point L657(line 657) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2022-07-22 17:38:05,682 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2022-07-22 17:38:05,682 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 659) no Hoare annotation was computed. [2022-07-22 17:38:05,682 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 664) no Hoare annotation was computed. [2022-07-22 17:38:05,682 INFO L895 garLoopResultBuilder]: At program point L800(lines 785 803) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2022-07-22 17:38:05,683 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 643 667) no Hoare annotation was computed. [2022-07-22 17:38:05,683 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2022-07-22 17:38:05,683 INFO L899 garLoopResultBuilder]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2022-07-22 17:38:05,683 INFO L895 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3))) [2022-07-22 17:38:05,683 INFO L899 garLoopResultBuilder]: For program point L662-1(lines 643 667) no Hoare annotation was computed. [2022-07-22 17:38:05,686 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:05,687 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:38:05,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:38:05 BoogieIcfgContainer [2022-07-22 17:38:05,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:38:05,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:38:05,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:38:05,735 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:38:05,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:56" (3/4) ... [2022-07-22 17:38:05,738 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:38:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:05,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:38:05,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:38:05,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-07-22 17:38:05,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:38:05,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:38:05,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:38:05,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:38:05,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:05,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:05,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-22 17:38:05,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-07-22 17:38:05,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-07-22 17:38:05,781 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) [2022-07-22 17:38:05,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-22 17:38:05,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(methAndRunningLastTime) == 0) || ((pumpRunning == 0 && 1 <= \result) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) [2022-07-22 17:38:05,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-07-22 17:38:05,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && tmp == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((1 <= pumpRunning && tmp == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && tmp == 0) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && tmp == 0) && methAndRunningLastTime == 0)) || 0 == systemActive)) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) [2022-07-22 17:38:05,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result)) || 0 == systemActive)) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:05,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) [2022-07-22 17:38:05,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:05,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-22 17:38:05,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-07-22 17:38:05,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:05,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-22 17:38:05,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-22 17:38:05,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-07-22 17:38:05,801 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:38:05,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:38:05,802 INFO L158 Benchmark]: Toolchain (without parser) took 10151.17ms. Allocated memory was 96.5MB in the beginning and 222.3MB in the end (delta: 125.8MB). Free memory was 71.4MB in the beginning and 194.4MB in the end (delta: -123.0MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,802 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:38:05,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.93ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 59.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.73ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,803 INFO L158 Benchmark]: Boogie Preprocessor took 35.12ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,803 INFO L158 Benchmark]: RCFGBuilder took 392.46ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 65.0MB in the end (delta: -10.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,803 INFO L158 Benchmark]: TraceAbstraction took 9109.52ms. Allocated memory was 96.5MB in the beginning and 184.5MB in the end (delta: 88.1MB). Free memory was 64.2MB in the beginning and 56.0MB in the end (delta: 8.2MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,804 INFO L158 Benchmark]: Witness Printer took 67.01ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 56.0MB in the beginning and 194.4MB in the end (delta: -138.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:05,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.93ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 59.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.73ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.12ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.46ms. Allocated memory is still 96.5MB. Free memory was 54.8MB in the beginning and 65.0MB in the end (delta: -10.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9109.52ms. Allocated memory was 96.5MB in the beginning and 184.5MB in the end (delta: 88.1MB). Free memory was 64.2MB in the beginning and 56.0MB in the end (delta: 8.2MB). Peak memory consumption was 102.2MB. Max. memory is 16.1GB. * Witness Printer took 67.01ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 56.0MB in the beginning and 194.4MB in the end (delta: -138.4MB). Peak memory consumption was 2.1MB. 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: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1820 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1792 mSDsluCounter, 3843 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2291 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1886 IncrementalHoareTripleChecker+Invalid, 2540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 1552 mSDtfsCounter, 1886 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 331 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1062occurred in iteration=10, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 354 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 2183 PreInvPairs, 2431 NumberOfFragments, 3325 HoareAnnotationTreeSize, 2183 FomulaSimplifications, 270 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 50 FomulaSimplificationsInter, 16291 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 859 NumberOfCodeBlocks, 859 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 845 ConstructedInterpolants, 0 QuantifiedInterpolants, 1506 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 149/158 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: 694]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((((((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((((((((!(\old(methAndRunningLastTime) == 0) || ((pumpRunning == 0 && 1 <= \result) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 435]: Loop Invariant Derived loop invariant: (((((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0))) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result)) || 0 == systemActive)) && (((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && tmp == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((1 <= pumpRunning && tmp == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && tmp == 0) && methAndRunningLastTime == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && tmp == 0) && methAndRunningLastTime == 0)) || 0 == systemActive)) && ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:38:05,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE