./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_spec3_product45.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 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:19:26,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:19:26,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:19:26,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:19:26,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:19:26,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:19:26,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:19:26,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:19:26,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:19:26,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:19:26,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:19:26,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:19:26,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:19:26,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:19:26,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:19:26,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:19:26,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:19:26,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:19:26,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:19:26,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:19:26,285 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:19:26,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:19:26,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:19:26,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:19:26,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:19:26,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:19:26,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:19:26,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:19:26,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:19:26,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:19:26,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:19:26,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:19:26,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:19:26,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:19:26,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:19:26,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:19:26,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:19:26,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:19:26,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:19:26,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:19:26,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:19:26,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:19:26,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:19:26,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:19:26,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:19:26,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:19:26,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:19:26,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:19:26,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:19:26,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:19:26,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:19:26,334 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:19:26,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:19:26,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:19:26,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:19:26,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:19:26,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:19:26,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:19:26,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:19:26,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:19:26,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:19:26,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:19:26,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:19:26,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:19:26,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:19:26,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:19:26,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:19:26,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:19:26,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:19:26,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:19:26,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:19:26,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:19:26,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:19:26,338 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:19:26,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:19:26,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:19:26,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c4adbf609ddd472cb6a462753c6f5cc9af64c97af02da4060f4102700285790 [2022-07-12 06:19:26,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:19:26,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:19:26,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:19:26,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:19:26,532 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:19:26,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2022-07-12 06:19:26,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7552595/a39a72164e754387bf8e5a951efdbce7/FLAG491e7cc24 [2022-07-12 06:19:27,098 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:19:27,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product45.cil.c [2022-07-12 06:19:27,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7552595/a39a72164e754387bf8e5a951efdbce7/FLAG491e7cc24 [2022-07-12 06:19:27,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7552595/a39a72164e754387bf8e5a951efdbce7 [2022-07-12 06:19:27,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:19:27,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:19:27,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:19:27,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:19:27,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:19:27,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512a9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27, skipping insertion in model container [2022-07-12 06:19:27,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:19:27,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:19:27,781 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_spec3_product45.cil.c[8617,8630] [2022-07-12 06:19:27,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:19:27,825 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:19:27,860 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_spec3_product45.cil.c[8617,8630] [2022-07-12 06:19:27,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:19:27,894 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:19:27,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27 WrapperNode [2022-07-12 06:19:27,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:19:27,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:19:27,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:19:27,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:19:27,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,945 INFO L137 Inliner]: procedures = 54, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 250 [2022-07-12 06:19:27,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:19:27,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:19:27,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:19:27,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:19:27,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:19:27,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:19:27,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:19:27,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:19:27,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (1/1) ... [2022-07-12 06:19:27,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:19:27,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:28,022 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) [2022-07-12 06:19:28,028 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 [2022-07-12 06:19:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:19:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:19:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:19:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:19:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:19:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:19:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:19:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-12 06:19:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-12 06:19:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:19:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:19:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:19:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:19:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-12 06:19:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-12 06:19:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:19:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:19:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:19:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:19:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:19:28,102 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:19:28,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:19:28,533 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:19:28,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:19:28,539 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:19:28,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:28 BoogieIcfgContainer [2022-07-12 06:19:28,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:19:28,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:19:28,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:19:28,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:19:28,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:19:27" (1/3) ... [2022-07-12 06:19:28,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655a3fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:19:28, skipping insertion in model container [2022-07-12 06:19:28,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:19:27" (2/3) ... [2022-07-12 06:19:28,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655a3fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:19:28, skipping insertion in model container [2022-07-12 06:19:28,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:28" (3/3) ... [2022-07-12 06:19:28,580 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2022-07-12 06:19:28,591 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:19:28,592 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:19:28,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:19:28,728 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@1a3d4376, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@72062158 [2022-07-12 06:19:28,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:19:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-12 06:19:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 06:19:28,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:28,746 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] [2022-07-12 06:19:28,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:28,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:28,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1088804663, now seen corresponding path program 1 times [2022-07-12 06:19:28,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:28,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612821659] [2022-07-12 06:19:28,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:28,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:19:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:29,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:29,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612821659] [2022-07-12 06:19:29,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612821659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:29,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:29,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:19:29,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215130666] [2022-07-12 06:19:29,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:29,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:19:29,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:29,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:19:29,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:19:29,166 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:29,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:29,209 INFO L93 Difference]: Finished difference Result 182 states and 247 transitions. [2022-07-12 06:19:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:19:29,211 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 [2022-07-12 06:19:29,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:29,221 INFO L225 Difference]: With dead ends: 182 [2022-07-12 06:19:29,221 INFO L226 Difference]: Without dead ends: 86 [2022-07-12 06:19:29,227 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 [2022-07-12 06:19:29,230 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2022-07-12 06:19:29,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-07-12 06:19:29,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-07-12 06:19:29,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-12 06:19:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-07-12 06:19:29,280 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2022-07-12 06:19:29,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:29,281 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-07-12 06:19:29,281 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) [2022-07-12 06:19:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-07-12 06:19:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-12 06:19:29,284 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:29,284 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] [2022-07-12 06:19:29,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:19:29,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:29,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:29,286 INFO L85 PathProgramCache]: Analyzing trace with hash 913970031, now seen corresponding path program 1 times [2022-07-12 06:19:29,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:29,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121091409] [2022-07-12 06:19:29,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:19:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:29,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:29,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121091409] [2022-07-12 06:19:29,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121091409] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:29,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:29,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:19:29,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134534466] [2022-07-12 06:19:29,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:29,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:19:29,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:29,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:19:29,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:29,377 INFO L87 Difference]: Start difference. First operand 86 states and 111 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) [2022-07-12 06:19:29,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:29,405 INFO L93 Difference]: Finished difference Result 138 states and 178 transitions. [2022-07-12 06:19:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:19:29,409 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 [2022-07-12 06:19:29,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:29,410 INFO L225 Difference]: With dead ends: 138 [2022-07-12 06:19:29,411 INFO L226 Difference]: Without dead ends: 77 [2022-07-12 06:19:29,412 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 [2022-07-12 06:19:29,413 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 180 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 [2022-07-12 06:19:29,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:29,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-12 06:19:29,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-12 06:19:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:19:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-07-12 06:19:29,425 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2022-07-12 06:19:29,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:29,426 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-07-12 06:19:29,426 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) [2022-07-12 06:19:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-07-12 06:19:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:19:29,430 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:29,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:29,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:19:29,431 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:29,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1563838683, now seen corresponding path program 1 times [2022-07-12 06:19:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:29,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397879031] [2022-07-12 06:19:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:29,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397879031] [2022-07-12 06:19:29,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397879031] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:29,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:29,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:19:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280551897] [2022-07-12 06:19:29,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:29,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:19:29,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:29,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:19:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:29,491 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:29,508 INFO L93 Difference]: Finished difference Result 147 states and 192 transitions. [2022-07-12 06:19:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:19:29,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-12 06:19:29,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:29,512 INFO L225 Difference]: With dead ends: 147 [2022-07-12 06:19:29,512 INFO L226 Difference]: Without dead ends: 77 [2022-07-12 06:19:29,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:19:29,516 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 81 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 97 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 [2022-07-12 06:19:29,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:29,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-12 06:19:29,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-12 06:19:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:19:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-07-12 06:19:29,526 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 30 [2022-07-12 06:19:29,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:29,527 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-07-12 06:19:29,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:19:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-07-12 06:19:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-12 06:19:29,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:29,529 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] [2022-07-12 06:19:29,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:19:29,530 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:29,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:29,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1485355981, now seen corresponding path program 1 times [2022-07-12 06:19:29,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:29,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365321969] [2022-07-12 06:19:29,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:29,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:19:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:19:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:29,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:29,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365321969] [2022-07-12 06:19:29,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365321969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:29,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:29,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:19:29,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526911235] [2022-07-12 06:19:29,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:29,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:19:29,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:29,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:19:29,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:19:29,620 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-12 06:19:29,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:29,758 INFO L93 Difference]: Finished difference Result 230 states and 292 transitions. [2022-07-12 06:19:29,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:19:29,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2022-07-12 06:19:29,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:29,760 INFO L225 Difference]: With dead ends: 230 [2022-07-12 06:19:29,760 INFO L226 Difference]: Without dead ends: 160 [2022-07-12 06:19:29,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:19:29,762 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 187 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:29,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 309 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-07-12 06:19:29,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2022-07-12 06:19:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 117 states have (on average 1.264957264957265) internal successors, (148), 125 states have internal predecessors, (148), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-07-12 06:19:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 189 transitions. [2022-07-12 06:19:29,774 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 189 transitions. Word has length 40 [2022-07-12 06:19:29,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:29,775 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 189 transitions. [2022-07-12 06:19:29,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-12 06:19:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 189 transitions. [2022-07-12 06:19:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-12 06:19:29,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:29,776 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] [2022-07-12 06:19:29,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:19:29,776 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:29,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1430117211, now seen corresponding path program 1 times [2022-07-12 06:19:29,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:29,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021844574] [2022-07-12 06:19:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:29,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 06:19:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:29,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:29,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021844574] [2022-07-12 06:19:29,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021844574] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:29,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:29,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:29,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976924192] [2022-07-12 06:19:29,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:29,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:29,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:29,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:29,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:29,826 INFO L87 Difference]: Start difference. First operand 154 states and 189 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:19:29,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:29,999 INFO L93 Difference]: Finished difference Result 399 states and 509 transitions. [2022-07-12 06:19:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:19:30,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-07-12 06:19:30,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:30,002 INFO L225 Difference]: With dead ends: 399 [2022-07-12 06:19:30,002 INFO L226 Difference]: Without dead ends: 252 [2022-07-12 06:19:30,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-12 06:19:30,003 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 138 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:30,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 361 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-12 06:19:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 244. [2022-07-12 06:19:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 185 states have (on average 1.2540540540540541) internal successors, (232), 196 states have internal predecessors, (232), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-07-12 06:19:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 302 transitions. [2022-07-12 06:19:30,019 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 302 transitions. Word has length 46 [2022-07-12 06:19:30,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:30,019 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 302 transitions. [2022-07-12 06:19:30,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-12 06:19:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 302 transitions. [2022-07-12 06:19:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-12 06:19:30,021 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:30,021 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] [2022-07-12 06:19:30,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:19:30,021 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:30,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:30,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1782384523, now seen corresponding path program 1 times [2022-07-12 06:19:30,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:30,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874311633] [2022-07-12 06:19:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:30,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 06:19:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:30,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:30,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874311633] [2022-07-12 06:19:30,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874311633] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:30,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:30,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:19:30,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767818807] [2022-07-12 06:19:30,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:30,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:19:30,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:30,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:19:30,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:30,074 INFO L87 Difference]: Start difference. First operand 244 states and 302 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-07-12 06:19:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:30,370 INFO L93 Difference]: Finished difference Result 586 states and 757 transitions. [2022-07-12 06:19:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 06:19:30,370 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 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 50 [2022-07-12 06:19:30,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:30,373 INFO L225 Difference]: With dead ends: 586 [2022-07-12 06:19:30,373 INFO L226 Difference]: Without dead ends: 439 [2022-07-12 06:19:30,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-07-12 06:19:30,374 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 298 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:30,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 358 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:19:30,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-07-12 06:19:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 405. [2022-07-12 06:19:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 306 states have (on average 1.2287581699346406) internal successors, (376), 326 states have internal predecessors, (376), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2022-07-12 06:19:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 503 transitions. [2022-07-12 06:19:30,404 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 503 transitions. Word has length 50 [2022-07-12 06:19:30,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:30,405 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 503 transitions. [2022-07-12 06:19:30,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-07-12 06:19:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 503 transitions. [2022-07-12 06:19:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-12 06:19:30,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:30,406 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] [2022-07-12 06:19:30,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:19:30,407 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:30,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1648371017, now seen corresponding path program 1 times [2022-07-12 06:19:30,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:30,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401983495] [2022-07-12 06:19:30,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 06:19:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:30,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:30,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401983495] [2022-07-12 06:19:30,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401983495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:30,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:30,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:19:30,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262128024] [2022-07-12 06:19:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:30,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:19:30,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:30,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:19:30,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:19:30,492 INFO L87 Difference]: Start difference. First operand 405 states and 503 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-07-12 06:19:30,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:30,749 INFO L93 Difference]: Finished difference Result 751 states and 939 transitions. [2022-07-12 06:19:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 06:19:30,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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 50 [2022-07-12 06:19:30,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:30,751 INFO L225 Difference]: With dead ends: 751 [2022-07-12 06:19:30,751 INFO L226 Difference]: Without dead ends: 439 [2022-07-12 06:19:30,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:19:30,753 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 161 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:30,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 330 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:19:30,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-07-12 06:19:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 405. [2022-07-12 06:19:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 306 states have (on average 1.2254901960784315) internal successors, (375), 326 states have internal predecessors, (375), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2022-07-12 06:19:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 502 transitions. [2022-07-12 06:19:30,771 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 502 transitions. Word has length 50 [2022-07-12 06:19:30,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:30,771 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 502 transitions. [2022-07-12 06:19:30,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-07-12 06:19:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 502 transitions. [2022-07-12 06:19:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-12 06:19:30,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:30,773 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] [2022-07-12 06:19:30,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:19:30,773 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:30,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:30,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1867225735, now seen corresponding path program 1 times [2022-07-12 06:19:30,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:30,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404717875] [2022-07-12 06:19:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 06:19:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:30,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:30,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404717875] [2022-07-12 06:19:30,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404717875] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:30,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:30,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:19:30,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992145922] [2022-07-12 06:19:30,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:30,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:19:30,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:30,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:19:30,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:19:30,816 INFO L87 Difference]: Start difference. First operand 405 states and 502 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-07-12 06:19:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:30,978 INFO L93 Difference]: Finished difference Result 832 states and 1043 transitions. [2022-07-12 06:19:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:19:30,978 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 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 50 [2022-07-12 06:19:30,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:30,980 INFO L225 Difference]: With dead ends: 832 [2022-07-12 06:19:30,980 INFO L226 Difference]: Without dead ends: 434 [2022-07-12 06:19:30,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:19:30,982 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 163 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:30,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 379 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-07-12 06:19:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 408. [2022-07-12 06:19:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 311 states have (on average 1.2186495176848875) internal successors, (379), 330 states have internal predecessors, (379), 49 states have call successors, (49), 38 states have call predecessors, (49), 47 states have return successors, (76), 50 states have call predecessors, (76), 49 states have call successors, (76) [2022-07-12 06:19:31,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 504 transitions. [2022-07-12 06:19:31,005 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 504 transitions. Word has length 50 [2022-07-12 06:19:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:31,006 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 504 transitions. [2022-07-12 06:19:31,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-07-12 06:19:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 504 transitions. [2022-07-12 06:19:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-12 06:19:31,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:31,007 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-12 06:19:31,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:19:31,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:31,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:31,008 INFO L85 PathProgramCache]: Analyzing trace with hash 88017873, now seen corresponding path program 1 times [2022-07-12 06:19:31,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:31,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065139451] [2022-07-12 06:19:31,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 06:19:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:19:31,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065139451] [2022-07-12 06:19:31,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065139451] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:19:31,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311741884] [2022-07-12 06:19:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:31,131 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) [2022-07-12 06:19:31,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:19:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 06:19:31,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:19:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:19:31,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:19:31,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311741884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:19:31,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-07-12 06:19:31,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143605034] [2022-07-12 06:19:31,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:19:31,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:19:31,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-12 06:19:31,387 INFO L87 Difference]: Start difference. First operand 408 states and 504 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-12 06:19:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:31,485 INFO L93 Difference]: Finished difference Result 1193 states and 1500 transitions. [2022-07-12 06:19:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:19:31,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-07-12 06:19:31,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:31,488 INFO L225 Difference]: With dead ends: 1193 [2022-07-12 06:19:31,488 INFO L226 Difference]: Without dead ends: 792 [2022-07-12 06:19:31,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-12 06:19:31,490 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 58 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:31,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 547 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:19:31,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2022-07-12 06:19:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2022-07-12 06:19:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 600 states have (on average 1.2066666666666668) internal successors, (724), 634 states have internal predecessors, (724), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (154), 98 states have call predecessors, (154), 97 states have call successors, (154) [2022-07-12 06:19:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 975 transitions. [2022-07-12 06:19:31,517 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 975 transitions. Word has length 59 [2022-07-12 06:19:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:31,517 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 975 transitions. [2022-07-12 06:19:31,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-12 06:19:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 975 transitions. [2022-07-12 06:19:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-12 06:19:31,518 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:31,518 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-12 06:19:31,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:19:31,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:31,735 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:31,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:31,735 INFO L85 PathProgramCache]: Analyzing trace with hash -229819681, now seen corresponding path program 1 times [2022-07-12 06:19:31,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:31,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457611567] [2022-07-12 06:19:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:31,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:19:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 06:19:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:19:31,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:31,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457611567] [2022-07-12 06:19:31,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457611567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:31,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:31,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 06:19:31,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647759170] [2022-07-12 06:19:31,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:31,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 06:19:31,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:31,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 06:19:31,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:19:31,801 INFO L87 Difference]: Start difference. First operand 790 states and 975 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:19:32,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:32,106 INFO L93 Difference]: Finished difference Result 1596 states and 1965 transitions. [2022-07-12 06:19:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 06:19:32,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-12 06:19:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:32,110 INFO L225 Difference]: With dead ends: 1596 [2022-07-12 06:19:32,110 INFO L226 Difference]: Without dead ends: 813 [2022-07-12 06:19:32,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2022-07-12 06:19:32,112 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 306 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:32,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 548 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:19:32,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2022-07-12 06:19:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 790. [2022-07-12 06:19:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 600 states have (on average 1.19) internal successors, (714), 634 states have internal predecessors, (714), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (139), 98 states have call predecessors, (139), 97 states have call successors, (139) [2022-07-12 06:19:32,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 950 transitions. [2022-07-12 06:19:32,142 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 950 transitions. Word has length 60 [2022-07-12 06:19:32,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:32,143 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 950 transitions. [2022-07-12 06:19:32,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-12 06:19:32,143 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 950 transitions. [2022-07-12 06:19:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-12 06:19:32,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:32,144 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-12 06:19:32,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 06:19:32,145 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:32,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:32,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2090024307, now seen corresponding path program 1 times [2022-07-12 06:19:32,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:32,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167133899] [2022-07-12 06:19:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 06:19:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 06:19:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 06:19:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:19:32,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:32,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167133899] [2022-07-12 06:19:32,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167133899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:32,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:32,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 06:19:32,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795859747] [2022-07-12 06:19:32,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:32,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 06:19:32,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:32,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 06:19:32,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:19:32,241 INFO L87 Difference]: Start difference. First operand 790 states and 950 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-12 06:19:33,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:33,271 INFO L93 Difference]: Finished difference Result 1574 states and 1912 transitions. [2022-07-12 06:19:33,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-12 06:19:33,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2022-07-12 06:19:33,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:33,275 INFO L225 Difference]: With dead ends: 1574 [2022-07-12 06:19:33,275 INFO L226 Difference]: Without dead ends: 791 [2022-07-12 06:19:33,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=333, Invalid=999, Unknown=0, NotChecked=0, Total=1332 [2022-07-12 06:19:33,279 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 460 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:33,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 403 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 06:19:33,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2022-07-12 06:19:33,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 758. [2022-07-12 06:19:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 568 states have (on average 1.158450704225352) internal successors, (658), 602 states have internal predecessors, (658), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2022-07-12 06:19:33,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 888 transitions. [2022-07-12 06:19:33,307 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 888 transitions. Word has length 63 [2022-07-12 06:19:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:33,307 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 888 transitions. [2022-07-12 06:19:33,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-12 06:19:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 888 transitions. [2022-07-12 06:19:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 06:19:33,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:33,310 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-12 06:19:33,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 06:19:33,310 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:33,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash -168137563, now seen corresponding path program 1 times [2022-07-12 06:19:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:33,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041297607] [2022-07-12 06:19:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:33,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:19:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:19:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:19:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 06:19:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:19:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 06:19:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-12 06:19:33,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:33,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041297607] [2022-07-12 06:19:33,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041297607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:33,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:19:33,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 06:19:33,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897186666] [2022-07-12 06:19:33,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:33,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:19:33,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:33,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:19:33,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:19:33,407 INFO L87 Difference]: Start difference. First operand 758 states and 888 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 06:19:33,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:33,686 INFO L93 Difference]: Finished difference Result 1513 states and 1792 transitions. [2022-07-12 06:19:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:19:33,687 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 97 [2022-07-12 06:19:33,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:33,690 INFO L225 Difference]: With dead ends: 1513 [2022-07-12 06:19:33,690 INFO L226 Difference]: Without dead ends: 762 [2022-07-12 06:19:33,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 06:19:33,693 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 93 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:33,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 412 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:19:33,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-07-12 06:19:33,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 758. [2022-07-12 06:19:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 568 states have (on average 1.1514084507042253) internal successors, (654), 602 states have internal predecessors, (654), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2022-07-12 06:19:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 884 transitions. [2022-07-12 06:19:33,770 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 884 transitions. Word has length 97 [2022-07-12 06:19:33,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:33,770 INFO L495 AbstractCegarLoop]: Abstraction has 758 states and 884 transitions. [2022-07-12 06:19:33,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 06:19:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 884 transitions. [2022-07-12 06:19:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 06:19:33,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:33,787 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-12 06:19:33,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 06:19:33,788 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:33,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2079180121, now seen corresponding path program 1 times [2022-07-12 06:19:33,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:33,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642682436] [2022-07-12 06:19:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:33,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:19:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:19:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:19:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 06:19:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:19:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 06:19:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 06:19:33,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:33,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642682436] [2022-07-12 06:19:33,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642682436] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:19:33,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796379590] [2022-07-12 06:19:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:33,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:33,957 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) [2022-07-12 06:19:33,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 06:19:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 06:19:34,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:19:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-12 06:19:34,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:19:34,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796379590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:19:34,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:19:34,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2022-07-12 06:19:34,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231643712] [2022-07-12 06:19:34,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:19:34,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 06:19:34,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 06:19:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:19:34,139 INFO L87 Difference]: Start difference. First operand 758 states and 884 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 06:19:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:34,199 INFO L93 Difference]: Finished difference Result 1367 states and 1613 transitions. [2022-07-12 06:19:34,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 06:19:34,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 97 [2022-07-12 06:19:34,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:34,214 INFO L225 Difference]: With dead ends: 1367 [2022-07-12 06:19:34,214 INFO L226 Difference]: Without dead ends: 616 [2022-07-12 06:19:34,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-07-12 06:19:34,216 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 11 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:34,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 279 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:19:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-07-12 06:19:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2022-07-12 06:19:34,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 460 states have (on average 1.1521739130434783) internal successors, (530), 488 states have internal predecessors, (530), 81 states have call successors, (81), 64 states have call predecessors, (81), 74 states have return successors, (103), 78 states have call predecessors, (103), 81 states have call successors, (103) [2022-07-12 06:19:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 714 transitions. [2022-07-12 06:19:34,258 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 714 transitions. Word has length 97 [2022-07-12 06:19:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:34,258 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 714 transitions. [2022-07-12 06:19:34,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 06:19:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 714 transitions. [2022-07-12 06:19:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 06:19:34,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:19:34,260 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-12 06:19:34,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 06:19:34,487 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,SelfDestructingSolverStorable12 [2022-07-12 06:19:34,487 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:19:34,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:19:34,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1353786525, now seen corresponding path program 1 times [2022-07-12 06:19:34,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:19:34,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036556986] [2022-07-12 06:19:34,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:34,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:19:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:19:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:19:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:19:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 06:19:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 06:19:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 06:19:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:19:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 06:19:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 06:19:34,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:19:34,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036556986] [2022-07-12 06:19:34,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036556986] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:19:34,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508828109] [2022-07-12 06:19:34,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:19:34,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:34,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:19:34,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:19:34,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 06:19:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:19:34,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 06:19:34,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:19:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-12 06:19:34,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:19:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-12 06:19:35,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508828109] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:19:35,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:19:35,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2022-07-12 06:19:35,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420832841] [2022-07-12 06:19:35,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:19:35,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-12 06:19:35,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:19:35,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-12 06:19:35,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-07-12 06:19:35,077 INFO L87 Difference]: Start difference. First operand 616 states and 714 transitions. Second operand has 22 states, 22 states have (on average 6.318181818181818) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-12 06:19:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:19:36,198 INFO L93 Difference]: Finished difference Result 1288 states and 1544 transitions. [2022-07-12 06:19:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-07-12 06:19:36,199 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.318181818181818) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) Word has length 97 [2022-07-12 06:19:36,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:19:36,199 INFO L225 Difference]: With dead ends: 1288 [2022-07-12 06:19:36,199 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:19:36,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1065, Invalid=3627, Unknown=0, NotChecked=0, Total=4692 [2022-07-12 06:19:36,219 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 848 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 06:19:36,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 614 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 06:19:36,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:19:36,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:19:36,220 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) [2022-07-12 06:19:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:19:36,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2022-07-12 06:19:36,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:19:36,220 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:19:36,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.318181818181818) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-12 06:19:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:19:36,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:19:36,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:19:36,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 06:19:36,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:19:36,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:19:39,941 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 318 324) no Hoare annotation was computed. [2022-07-12 06:19:39,942 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 318 324) the Hoare annotation is: true [2022-07-12 06:19:39,942 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 119 130) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse2 .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse2 .cse6 .cse4 .cse7))) [2022-07-12 06:19:39,942 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 119 130) no Hoare annotation was computed. [2022-07-12 06:19:39,942 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 119 130) no Hoare annotation was computed. [2022-07-12 06:19:39,942 INFO L895 garLoopResultBuilder]: At program point L407(lines 402 409) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse5 .cse6 .cse2 .cse3) (or .cse1 .cse5 .cse4 .cse6 .cse3))) [2022-07-12 06:19:39,942 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= 1 ~pumpRunning~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) .cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse6 .cse5 .cse3)))) [2022-07-12 06:19:39,942 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-12 06:19:39,942 INFO L895 garLoopResultBuilder]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (and .cse7 .cse12 .cse8 .cse9 .cse13 .cse11)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse3) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse1 .cse6 .cse5 .cse3 (and .cse12 .cse8 .cse9 .cse10 .cse11))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse9 .cse13) .cse4 .cse5 .cse3)))) [2022-07-12 06:19:39,942 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 294 317) no Hoare annotation was computed. [2022-07-12 06:19:39,942 INFO L895 garLoopResultBuilder]: At program point L358(line 358) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= 1 ~pumpRunning~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) .cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse6 .cse5 .cse3)))) [2022-07-12 06:19:39,942 INFO L899 garLoopResultBuilder]: For program point L358-1(line 358) no Hoare annotation was computed. [2022-07-12 06:19:39,942 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= ~pumpRunning~0 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse18 (= 1 ~systemActive~0)) (.cse15 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse2 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse5 (and .cse11 .cse14 .cse17 .cse12 .cse18 .cse15 .cse2 .cse3 .cse16)) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not .cse2)) (.cse1 (not .cse18)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse17)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse1 .cse4 .cse5) (or .cse7 .cse1 .cse8 .cse9 .cse10) (or (and .cse11 .cse12 .cse13) .cse1 .cse8 (and .cse14 .cse12 .cse13) .cse9 .cse6) (or .cse0 .cse1 .cse9 (and .cse14 .cse3 .cse13) .cse6) (or (and .cse14 .cse12 .cse15 .cse2 .cse10 .cse16) .cse1 (and .cse11 .cse12 .cse15 .cse2 .cse10 .cse16) .cse8 .cse4 .cse6)))) [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= ~waterLevel~0 1)) (.cse12 (= 1 ~systemActive~0)) (.cse15 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and .cse8 .cse13 .cse14 .cse12 .cse15)) (.cse11 (and .cse1 .cse14 .cse15)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and .cse13 .cse1 .cse14 .cse2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not .cse12)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 (and .cse8 .cse2) .cse5) (or .cse3 .cse9 .cse7 .cse10 .cse11 .cse5) (or .cse3 .cse9 .cse10 .cse11 .cse4 .cse5) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse7)))) [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse2 .cse6 .cse3 .cse4) (or .cse2 .cse6 .cse5 .cse4))) [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L371-1(lines 352 376) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= ~waterLevel~0 1)) (.cse12 (= 1 ~systemActive~0)) (.cse15 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and .cse8 .cse13 .cse14 .cse12 .cse15)) (.cse11 (and .cse1 .cse14 .cse15)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and .cse13 .cse1 .cse14 .cse2)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not .cse12)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse7 (and .cse8 .cse2) .cse5) (or .cse3 .cse9 .cse7 .cse10 .cse11 .cse5) (or .cse3 .cse9 .cse10 .cse11 .cse4 .cse5) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse7)))) [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 95 106) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= 1 ~pumpRunning~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) .cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse1 .cse4 .cse6 .cse5 .cse3)))) [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L591(lines 586 593) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse3) (or .cse1 .cse5 .cse4 .cse3))) [2022-07-12 06:19:39,943 INFO L895 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5) (or .cse0 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse5 .cse3))) [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L298-1(lines 297 316) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 368) no Hoare annotation was computed. [2022-07-12 06:19:39,943 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 373) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 294 317) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse8)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse2 .cse6 .cse7 .cse3 .cse4) (or .cse2 .cse6 .cse5 .cse7 .cse4)))) [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 294 317) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2022-07-12 06:19:39,944 INFO L902 garLoopResultBuilder]: At program point L214(lines 189 218) the Hoare annotation is: true [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L902 garLoopResultBuilder]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2022-07-12 06:19:39,944 INFO L902 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: true [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L195-1(line 195) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 131 139) the Hoare annotation is: true [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 131 139) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 131 139) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L895 garLoopResultBuilder]: At program point L539(lines 496 541) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse7 .cse1 .cse3 .cse4) (and .cse0 .cse7 .cse6 .cse1 .cse3))) [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 282) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2022-07-12 06:19:39,944 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 275 282) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L895 garLoopResultBuilder]: At program point L581(lines 576 584) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:39,945 INFO L902 garLoopResultBuilder]: At program point L259(lines 252 261) the Hoare annotation is: true [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L895 garLoopResultBuilder]: At program point L573(lines 569 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L902 garLoopResultBuilder]: At program point L284(lines 265 287) the Hoare annotation is: true [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 536) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L895 garLoopResultBuilder]: At program point L532-2(lines 526 537) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L902 garLoopResultBuilder]: At program point L545(lines 486 549) the Hoare annotation is: true [2022-07-12 06:19:39,945 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:19:39,945 INFO L895 garLoopResultBuilder]: At program point L508(line 508) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse7 .cse1 .cse3 .cse4) (and .cse0 .cse7 .cse6 .cse1 .cse3))) [2022-07-12 06:19:39,946 INFO L895 garLoopResultBuilder]: At program point L248(lines 244 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:39,946 INFO L895 garLoopResultBuilder]: At program point L566(lines 562 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:19:39,946 INFO L895 garLoopResultBuilder]: At program point L542(lines 495 543) the Hoare annotation is: false [2022-07-12 06:19:39,946 INFO L899 garLoopResultBuilder]: For program point L497(lines 496 541) no Hoare annotation was computed. [2022-07-12 06:19:39,947 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 537) no Hoare annotation was computed. [2022-07-12 06:19:39,947 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2022-07-12 06:19:39,947 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 107 118) no Hoare annotation was computed. [2022-07-12 06:19:39,947 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 107 118) no Hoare annotation was computed. [2022-07-12 06:19:39,947 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 107 118) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse7 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse7 .cse4))) [2022-07-12 06:19:39,947 INFO L895 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse3 (and .cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse11)) (.cse2 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) .cse10 .cse9 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|) .cse11 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse6 .cse5 .cse8) (or .cse0 .cse1 .cse2 .cse7 .cse8)))) [2022-07-12 06:19:39,948 INFO L895 garLoopResultBuilder]: At program point L382(lines 377 384) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse2 (and (<= 1 ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~4#1| ~methaneLevelCritical~0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~2#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)) .cse5) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-12 06:19:39,949 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-07-12 06:19:39,949 INFO L899 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2022-07-12 06:19:39,949 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse5 .cse1 .cse6 .cse2 .cse7))) [2022-07-12 06:19:39,949 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 326 350) no Hoare annotation was computed. [2022-07-12 06:19:39,949 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2022-07-12 06:19:39,950 INFO L895 garLoopResultBuilder]: At program point L181(lines 172 185) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (= 1 ~systemActive~0)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse11 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) .cse11 .cse9 .cse10)) (.cse0 (not .cse10)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse7 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse0 .cse7 .cse8 .cse3) (or .cse0 .cse1 .cse8 .cse3)))) [2022-07-12 06:19:39,950 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (= ~pumpRunning~0 0) .cse8 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1|) .cse9 (= |processEnvironment__wrappee__methaneQuery_~tmp~2#1| 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse0 (not .cse9)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2 .cse6) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse7 .cse3)))) [2022-07-12 06:19:39,950 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 326 350) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse5 .cse8) (or .cse6 .cse2 .cse7 .cse3 .cse8))) [2022-07-12 06:19:39,950 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 342) no Hoare annotation was computed. [2022-07-12 06:19:39,950 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 326 350) no Hoare annotation was computed. [2022-07-12 06:19:39,950 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 347) no Hoare annotation was computed. [2022-07-12 06:19:39,951 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2022-07-12 06:19:39,951 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~2#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse6 .cse5 .cse7))) [2022-07-12 06:19:39,951 INFO L895 garLoopResultBuilder]: At program point L392-2(lines 385 401) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~4#1| ~methaneLevelCritical~0)) (.cse7 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse8 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|)) (.cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~5#1| 0)) (.cse10 (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~2#1|)) (.cse11 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)) (.cse12 (not (<= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse2 (and (<= 1 ~pumpRunning~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 (and .cse6 (= ~pumpRunning~0 0) .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse5))) [2022-07-12 06:19:39,951 INFO L899 garLoopResultBuilder]: For program point L390-1(line 390) no Hoare annotation was computed. [2022-07-12 06:19:39,951 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 410 420) the Hoare annotation is: true [2022-07-12 06:19:39,951 INFO L902 garLoopResultBuilder]: At program point L415(line 415) the Hoare annotation is: true [2022-07-12 06:19:39,951 INFO L899 garLoopResultBuilder]: For program point L415-1(line 415) no Hoare annotation was computed. [2022-07-12 06:19:39,951 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 410 420) no Hoare annotation was computed. [2022-07-12 06:19:39,951 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 410 420) no Hoare annotation was computed. [2022-07-12 06:19:39,954 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:19:39,955 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:19:40,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:19:40 BoogieIcfgContainer [2022-07-12 06:19:40,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:19:40,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:19:40,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:19:40,008 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:19:40,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:19:28" (3/4) ... [2022-07-12 06:19:40,010 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:19:40,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:19:40,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:19:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:19:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:19:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-12 06:19:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:19:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-12 06:19:40,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-12 06:19:40,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-12 06:19:40,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:19:40,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:19:40,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:19:40,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:19:40,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:40,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:19:40,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:40,037 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-12 06:19:40,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || waterLevel <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:40,038 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:40,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:40,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((1 <= pumpRunning && tmp == methaneLevelCritical) && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= tmp) && 1 <= \result)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((tmp == methaneLevelCritical && pumpRunning == 0) && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= tmp) && 1 <= \result)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) [2022-07-12 06:19:40,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((1 <= pumpRunning && tmp == methaneLevelCritical) && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= tmp) && 1 <= \result)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) [2022-07-12 06:19:40,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) [2022-07-12 06:19:40,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:40,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) [2022-07-12 06:19:40,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:19:40,061 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:19:40,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:19:40,063 INFO L158 Benchmark]: Toolchain (without parser) took 12598.20ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 115.9MB in the beginning and 128.8MB in the end (delta: -12.9MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,063 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:19:40,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.79ms. Allocated memory is still 146.8MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.04ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 111.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,064 INFO L158 Benchmark]: Boogie Preprocessor took 27.50ms. Allocated memory is still 146.8MB. Free memory was 111.8MB in the beginning and 110.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,064 INFO L158 Benchmark]: RCFGBuilder took 564.55ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 92.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,065 INFO L158 Benchmark]: TraceAbstraction took 11464.97ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 92.5MB in the beginning and 134.0MB in the end (delta: -41.5MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,065 INFO L158 Benchmark]: Witness Printer took 54.98ms. Allocated memory is still 255.9MB. Free memory was 134.0MB in the beginning and 128.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 06:19:40,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.79ms. Allocated memory is still 146.8MB. Free memory was 115.6MB in the beginning and 114.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.04ms. Allocated memory is still 146.8MB. Free memory was 114.2MB in the beginning and 111.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.50ms. Allocated memory is still 146.8MB. Free memory was 111.8MB in the beginning and 110.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.55ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 92.9MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11464.97ms. Allocated memory was 146.8MB in the beginning and 255.9MB in the end (delta: 109.1MB). Free memory was 92.5MB in the beginning and 134.0MB in the end (delta: -41.5MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. * Witness Printer took 54.98ms. Allocated memory is still 255.9MB. Free memory was 134.0MB in the beginning and 128.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 590]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2861 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2816 mSDsluCounter, 4937 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3387 mSDsCounter, 1163 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4031 IncrementalHoareTripleChecker+Invalid, 5194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1163 mSolverCounterUnsat, 1550 mSDtfsCounter, 4031 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 701 GetRequests, 487 SyntacticMatches, 1 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=9, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 170 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 2707 PreInvPairs, 2954 NumberOfFragments, 3106 HoareAnnotationTreeSize, 2707 FomulaSimplifications, 284 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 9298 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1043 NumberOfCodeBlocks, 1043 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 2116 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1320 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 212/252 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: 54]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || waterLevel <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 <= tmp) && 1 == systemActive) && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((1 <= pumpRunning && tmp == methaneLevelCritical) && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= tmp) && 1 <= \result)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((1 <= pumpRunning && tmp == methaneLevelCritical) && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= tmp) && 1 <= \result)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((tmp == methaneLevelCritical && pumpRunning == 0) && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= tmp) && 1 <= \result)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:19:40,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE