./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_spec4_product59.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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:20:17,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:20:17,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:20:17,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:20:17,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:20:17,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:20:17,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:20:17,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:20:17,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:20:17,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:20:17,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:20:17,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:20:17,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:20:17,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:20:17,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:20:17,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:20:17,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:20:17,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:20:17,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:20:17,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:20:17,657 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:20:17,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:20:17,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:20:17,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:20:17,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:20:17,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:20:17,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:20:17,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:20:17,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:20:17,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:20:17,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:20:17,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:20:17,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:20:17,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:20:17,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:20:17,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:20:17,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:20:17,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:20:17,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:20:17,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:20:17,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:20:17,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:20:17,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:20:17,682 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:20:17,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:20:17,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:20:17,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:20:17,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:20:17,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:20:17,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:20:17,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:20:17,684 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:20:17,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:20:17,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:20:17,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:20:17,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:20:17,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:20:17,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:20:17,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:20:17,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:20:17,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:20:17,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:20:17,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:20:17,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:20:17,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:20:17,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:20:17,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:20:17,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:20:17,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:20:17,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:20:17,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:20:17,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:20:17,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:20:17,688 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:20:17,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:20:17,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:20:17,689 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2022-07-12 06:20:17,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:20:17,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:20:17,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:20:17,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:20:17,888 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:20:17,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-07-12 06:20:17,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140f5a96f/4b58e92f095d443f8ebb46085c0ab975/FLAGe00699a6d [2022-07-12 06:20:18,356 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:20:18,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-07-12 06:20:18,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140f5a96f/4b58e92f095d443f8ebb46085c0ab975/FLAGe00699a6d [2022-07-12 06:20:18,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140f5a96f/4b58e92f095d443f8ebb46085c0ab975 [2022-07-12 06:20:18,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:20:18,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:20:18,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:20:18,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:20:18,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:20:18,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:20:18" (1/1) ... [2022-07-12 06:20:18,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1177b0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:18, skipping insertion in model container [2022-07-12 06:20:18,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:20:18" (1/1) ... [2022-07-12 06:20:18,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:20:18,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:20:18,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2022-07-12 06:20:19,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:20:19,057 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:20:19,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2022-07-12 06:20:19,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:20:19,138 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:20:19,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19 WrapperNode [2022-07-12 06:20:19,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:20:19,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:20:19,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:20:19,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:20:19,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,203 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 283 [2022-07-12 06:20:19,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:20:19,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:20:19,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:20:19,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:20:19,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:20:19,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:20:19,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:20:19,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:20:19,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (1/1) ... [2022-07-12 06:20:19,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:20:19,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:20:19,267 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 06:20:19,276 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 06:20:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:20:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:20:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:20:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:20:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:20:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:20:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:20:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:20:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:20:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:20:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:20:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:20:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:20:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:20:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:20:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:20:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:20:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:20:19,367 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:20:19,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:20:19,705 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:20:19,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:20:19,711 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:20:19,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:19 BoogieIcfgContainer [2022-07-12 06:20:19,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:20:19,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:20:19,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:20:19,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:20:19,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:20:18" (1/3) ... [2022-07-12 06:20:19,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa47f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:20:19, skipping insertion in model container [2022-07-12 06:20:19,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:20:19" (2/3) ... [2022-07-12 06:20:19,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa47f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:20:19, skipping insertion in model container [2022-07-12 06:20:19,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:19" (3/3) ... [2022-07-12 06:20:19,720 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2022-07-12 06:20:19,732 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:20:19,733 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:20:19,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:20:19,780 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@3dfa2fc7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3abb6748 [2022-07-12 06:20:19,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:20:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-12 06:20:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 06:20:19,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:19,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:19,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:19,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1328460563, now seen corresponding path program 1 times [2022-07-12 06:20:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:19,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039993974] [2022-07-12 06:20:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:19,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:19,988 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 06:20:19,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:19,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039993974] [2022-07-12 06:20:19,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039993974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:19,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:19,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:20:19,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16454505] [2022-07-12 06:20:19,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:19,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:20:19,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:20,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:20:20,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:20:20,020 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:20,055 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2022-07-12 06:20:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:20:20,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-12 06:20:20,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:20,062 INFO L225 Difference]: With dead ends: 178 [2022-07-12 06:20:20,062 INFO L226 Difference]: Without dead ends: 84 [2022-07-12 06:20:20,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:20:20,067 INFO L413 NwaCegarLoop]: 118 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, 118 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 06:20:20,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:20,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-12 06:20:20,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-12 06:20:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.323076923076923) internal successors, (86), 73 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-12 06:20:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-07-12 06:20:20,102 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 19 [2022-07-12 06:20:20,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:20,102 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-07-12 06:20:20,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-07-12 06:20:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-12 06:20:20,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:20,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:20,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:20:20,104 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:20,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1880549764, now seen corresponding path program 1 times [2022-07-12 06:20:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:20,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74425038] [2022-07-12 06:20:20,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:20,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:20,198 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 06:20:20,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:20,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74425038] [2022-07-12 06:20:20,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74425038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:20,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:20,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:20:20,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008315172] [2022-07-12 06:20:20,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:20,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:20:20,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:20:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:20,201 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:20,216 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-07-12 06:20:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:20:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-12 06:20:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:20,223 INFO L225 Difference]: With dead ends: 130 [2022-07-12 06:20:20,223 INFO L226 Difference]: Without dead ends: 75 [2022-07-12 06:20:20,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:20,229 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 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 06:20:20,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:20,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-07-12 06:20:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-07-12 06:20:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-12 06:20:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-07-12 06:20:20,237 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 20 [2022-07-12 06:20:20,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:20,237 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-07-12 06:20:20,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-07-12 06:20:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-12 06:20:20,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:20,238 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] [2022-07-12 06:20:20,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:20:20,238 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:20,239 INFO L85 PathProgramCache]: Analyzing trace with hash 612415945, now seen corresponding path program 1 times [2022-07-12 06:20:20,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:20,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250426251] [2022-07-12 06:20:20,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:20,349 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 06:20:20,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:20,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250426251] [2022-07-12 06:20:20,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250426251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:20,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:20,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 06:20:20,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545342291] [2022-07-12 06:20:20,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:20,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:20:20,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:20,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:20:20,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:20:20,355 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:20,527 INFO L93 Difference]: Finished difference Result 248 states and 328 transitions. [2022-07-12 06:20:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 06:20:20,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-12 06:20:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:20,538 INFO L225 Difference]: With dead ends: 248 [2022-07-12 06:20:20,538 INFO L226 Difference]: Without dead ends: 180 [2022-07-12 06:20:20,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:20:20,539 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 263 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:20,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 429 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-07-12 06:20:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2022-07-12 06:20:20,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 135 states have (on average 1.3703703703703705) internal successors, (185), 153 states have internal predecessors, (185), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-07-12 06:20:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2022-07-12 06:20:20,562 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 24 [2022-07-12 06:20:20,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:20,562 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2022-07-12 06:20:20,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2022-07-12 06:20:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-12 06:20:20,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:20,568 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] [2022-07-12 06:20:20,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:20:20,568 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:20,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:20,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1477369919, now seen corresponding path program 1 times [2022-07-12 06:20:20,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:20,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10627219] [2022-07-12 06:20:20,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:20,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:20,633 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 06:20:20,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:20,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10627219] [2022-07-12 06:20:20,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10627219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:20,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:20,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 06:20:20,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471947692] [2022-07-12 06:20:20,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:20,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 06:20:20,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:20,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 06:20:20,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 06:20:20,635 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:20,712 INFO L93 Difference]: Finished difference Result 491 states and 675 transitions. [2022-07-12 06:20:20,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 06:20:20,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-07-12 06:20:20,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:20,714 INFO L225 Difference]: With dead ends: 491 [2022-07-12 06:20:20,714 INFO L226 Difference]: Without dead ends: 324 [2022-07-12 06:20:20,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:20:20,716 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 68 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:20,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 381 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:20,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-07-12 06:20:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2022-07-12 06:20:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 250 states have (on average 1.344) internal successors, (336), 282 states have internal predecessors, (336), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2022-07-12 06:20:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 430 transitions. [2022-07-12 06:20:20,750 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 430 transitions. Word has length 28 [2022-07-12 06:20:20,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:20,751 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 430 transitions. [2022-07-12 06:20:20,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 430 transitions. [2022-07-12 06:20:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-12 06:20:20,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:20,753 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 06:20:20,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:20:20,753 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:20,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash -30603644, now seen corresponding path program 1 times [2022-07-12 06:20:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:20,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118150562] [2022-07-12 06:20:20,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:20,819 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 06:20:20,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:20,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118150562] [2022-07-12 06:20:20,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118150562] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:20,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:20,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:20:20,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593860793] [2022-07-12 06:20:20,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:20,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:20:20,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:20,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:20:20,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:20,820 INFO L87 Difference]: Start difference. First operand 324 states and 430 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:20,857 INFO L93 Difference]: Finished difference Result 748 states and 1019 transitions. [2022-07-12 06:20:20,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:20:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-07-12 06:20:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:20,861 INFO L225 Difference]: With dead ends: 748 [2022-07-12 06:20:20,861 INFO L226 Difference]: Without dead ends: 431 [2022-07-12 06:20:20,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:20:20,864 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 56 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:20,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 156 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:20:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-07-12 06:20:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 420. [2022-07-12 06:20:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 330 states have (on average 1.2969696969696969) internal successors, (428), 357 states have internal predecessors, (428), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2022-07-12 06:20:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 544 transitions. [2022-07-12 06:20:20,900 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 544 transitions. Word has length 30 [2022-07-12 06:20:20,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:20,900 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 544 transitions. [2022-07-12 06:20:20,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 06:20:20,901 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 544 transitions. [2022-07-12 06:20:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 06:20:20,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:20,903 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] [2022-07-12 06:20:20,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:20:20,913 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:20,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:20,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1736818085, now seen corresponding path program 1 times [2022-07-12 06:20:20,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:20,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067532434] [2022-07-12 06:20:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:20,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:20,981 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 06:20:20,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:20,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067532434] [2022-07-12 06:20:20,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067532434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:20,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:20,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:20:20,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242045966] [2022-07-12 06:20:20,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:20,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:20:20,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:20,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:20:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:20:20,983 INFO L87 Difference]: Start difference. First operand 420 states and 544 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:20:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:21,159 INFO L93 Difference]: Finished difference Result 519 states and 675 transitions. [2022-07-12 06:20:21,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 06:20:21,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-12 06:20:21,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:21,165 INFO L225 Difference]: With dead ends: 519 [2022-07-12 06:20:21,165 INFO L226 Difference]: Without dead ends: 517 [2022-07-12 06:20:21,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:20:21,180 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 137 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:21,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 372 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-07-12 06:20:21,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 488. [2022-07-12 06:20:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 383 states have (on average 1.279373368146214) internal successors, (490), 421 states have internal predecessors, (490), 53 states have call successors, (53), 45 states have call predecessors, (53), 51 states have return successors, (88), 45 states have call predecessors, (88), 53 states have call successors, (88) [2022-07-12 06:20:21,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 631 transitions. [2022-07-12 06:20:21,220 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 631 transitions. Word has length 32 [2022-07-12 06:20:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:21,221 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 631 transitions. [2022-07-12 06:20:21,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-12 06:20:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 631 transitions. [2022-07-12 06:20:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-12 06:20:21,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:21,224 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 06:20:21,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:20:21,224 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:21,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:21,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2119024627, now seen corresponding path program 1 times [2022-07-12 06:20:21,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:21,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030957478] [2022-07-12 06:20:21,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:20:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,322 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 06:20:21,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:21,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030957478] [2022-07-12 06:20:21,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030957478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:21,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:21,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 06:20:21,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590949899] [2022-07-12 06:20:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:21,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:20:21,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:20:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:20:21,324 INFO L87 Difference]: Start difference. First operand 488 states and 631 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:21,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:21,578 INFO L93 Difference]: Finished difference Result 1083 states and 1452 transitions. [2022-07-12 06:20:21,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 06:20:21,578 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-07-12 06:20:21,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:21,581 INFO L225 Difference]: With dead ends: 1083 [2022-07-12 06:20:21,581 INFO L226 Difference]: Without dead ends: 602 [2022-07-12 06:20:21,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:20:21,584 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 218 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:21,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 370 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:20:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-07-12 06:20:21,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 532. [2022-07-12 06:20:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 421 states have (on average 1.2636579572446556) internal successors, (532), 459 states have internal predecessors, (532), 53 states have call successors, (53), 45 states have call predecessors, (53), 57 states have return successors, (96), 49 states have call predecessors, (96), 53 states have call successors, (96) [2022-07-12 06:20:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 681 transitions. [2022-07-12 06:20:21,623 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 681 transitions. Word has length 46 [2022-07-12 06:20:21,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:21,623 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 681 transitions. [2022-07-12 06:20:21,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:21,624 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 681 transitions. [2022-07-12 06:20:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-12 06:20:21,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:21,625 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 06:20:21,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:20:21,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:21,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:21,625 INFO L85 PathProgramCache]: Analyzing trace with hash -124879921, now seen corresponding path program 1 times [2022-07-12 06:20:21,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:21,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550424833] [2022-07-12 06:20:21,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:21,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:20:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,697 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 06:20:21,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:21,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550424833] [2022-07-12 06:20:21,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550424833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:21,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:21,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:20:21,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803017589] [2022-07-12 06:20:21,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:21,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:20:21,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:21,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:20:21,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:20:21,700 INFO L87 Difference]: Start difference. First operand 532 states and 681 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:21,860 INFO L93 Difference]: Finished difference Result 1044 states and 1375 transitions. [2022-07-12 06:20:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:20:21,861 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), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-07-12 06:20:21,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:21,863 INFO L225 Difference]: With dead ends: 1044 [2022-07-12 06:20:21,863 INFO L226 Difference]: Without dead ends: 519 [2022-07-12 06:20:21,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:20:21,865 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:21,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 358 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:21,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-07-12 06:20:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 425. [2022-07-12 06:20:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.2619047619047619) internal successors, (424), 365 states have internal predecessors, (424), 44 states have call successors, (44), 38 states have call predecessors, (44), 44 states have return successors, (70), 38 states have call predecessors, (70), 44 states have call successors, (70) [2022-07-12 06:20:21,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 538 transitions. [2022-07-12 06:20:21,885 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 538 transitions. Word has length 46 [2022-07-12 06:20:21,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:21,885 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 538 transitions. [2022-07-12 06:20:21,885 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), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 538 transitions. [2022-07-12 06:20:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-12 06:20:21,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:21,886 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 06:20:21,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:20:21,886 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:21,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:21,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1358294219, now seen corresponding path program 1 times [2022-07-12 06:20:21,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:21,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539587712] [2022-07-12 06:20:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:20:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:21,968 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 06:20:21,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:21,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539587712] [2022-07-12 06:20:21,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539587712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:21,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:21,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:20:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513363525] [2022-07-12 06:20:21,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:21,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:20:21,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:21,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:20:21,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:20:21,970 INFO L87 Difference]: Start difference. First operand 425 states and 538 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:22,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:22,218 INFO L93 Difference]: Finished difference Result 971 states and 1304 transitions. [2022-07-12 06:20:22,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 06:20:22,219 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), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-07-12 06:20:22,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:22,222 INFO L225 Difference]: With dead ends: 971 [2022-07-12 06:20:22,223 INFO L226 Difference]: Without dead ends: 660 [2022-07-12 06:20:22,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-07-12 06:20:22,225 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 220 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:22,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 473 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:20:22,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-07-12 06:20:22,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 635. [2022-07-12 06:20:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 501 states have (on average 1.2375249500998005) internal successors, (620), 538 states have internal predecessors, (620), 66 states have call successors, (66), 58 states have call predecessors, (66), 67 states have return successors, (131), 66 states have call predecessors, (131), 66 states have call successors, (131) [2022-07-12 06:20:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 817 transitions. [2022-07-12 06:20:22,263 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 817 transitions. Word has length 46 [2022-07-12 06:20:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:22,263 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 817 transitions. [2022-07-12 06:20:22,263 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), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:20:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 817 transitions. [2022-07-12 06:20:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-12 06:20:22,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:22,265 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:22,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:20:22,266 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:22,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash -572504429, now seen corresponding path program 1 times [2022-07-12 06:20:22,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:22,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180011696] [2022-07-12 06:20:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:20:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:20:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:20:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 06:20:22,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:22,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180011696] [2022-07-12 06:20:22,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180011696] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:20:22,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768270652] [2022-07-12 06:20:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:22,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:20:22,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:20:22,352 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 06:20:22,353 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 06:20:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:22,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 06:20:22,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:20:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:20:22,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:20:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-07-12 06:20:22,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768270652] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:20:22,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:20:22,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-07-12 06:20:22,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426932601] [2022-07-12 06:20:22,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:20:22,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 06:20:22,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:22,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 06:20:22,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:20:22,662 INFO L87 Difference]: Start difference. First operand 635 states and 817 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 06:20:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:23,077 INFO L93 Difference]: Finished difference Result 1512 states and 2051 transitions. [2022-07-12 06:20:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-12 06:20:23,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2022-07-12 06:20:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:23,082 INFO L225 Difference]: With dead ends: 1512 [2022-07-12 06:20:23,082 INFO L226 Difference]: Without dead ends: 991 [2022-07-12 06:20:23,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-07-12 06:20:23,084 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 274 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:23,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 608 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:20:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-07-12 06:20:23,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 862. [2022-07-12 06:20:23,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 672 states have (on average 1.244047619047619) internal successors, (836), 725 states have internal predecessors, (836), 95 states have call successors, (95), 83 states have call predecessors, (95), 94 states have return successors, (198), 87 states have call predecessors, (198), 95 states have call successors, (198) [2022-07-12 06:20:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1129 transitions. [2022-07-12 06:20:23,135 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1129 transitions. Word has length 80 [2022-07-12 06:20:23,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:23,135 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1129 transitions. [2022-07-12 06:20:23,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 06:20:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1129 transitions. [2022-07-12 06:20:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 06:20:23,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:23,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:23,166 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 06:20:23,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 06:20:23,357 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1682583131, now seen corresponding path program 2 times [2022-07-12 06:20:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719333374] [2022-07-12 06:20:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:20:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 06:20:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:20:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:20:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 06:20:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:20:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 06:20:23,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:23,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719333374] [2022-07-12 06:20:23,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719333374] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:20:23,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960943446] [2022-07-12 06:20:23,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 06:20:23,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:20:23,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:20:23,505 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 06:20:23,506 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 06:20:23,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 06:20:23,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 06:20:23,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-12 06:20:23,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:20:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-12 06:20:23,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 06:20:23,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960943446] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:23,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 06:20:23,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-07-12 06:20:23,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371718542] [2022-07-12 06:20:23,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:23,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:20:23,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:20:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-12 06:20:23,706 INFO L87 Difference]: Start difference. First operand 862 states and 1129 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-12 06:20:23,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:23,921 INFO L93 Difference]: Finished difference Result 2363 states and 3215 transitions. [2022-07-12 06:20:23,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 06:20:23,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 114 [2022-07-12 06:20:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:23,927 INFO L225 Difference]: With dead ends: 2363 [2022-07-12 06:20:23,927 INFO L226 Difference]: Without dead ends: 1613 [2022-07-12 06:20:23,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-07-12 06:20:23,930 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 260 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:23,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 543 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:23,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2022-07-12 06:20:23,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1493. [2022-07-12 06:20:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1166 states have (on average 1.2435677530017153) internal successors, (1450), 1246 states have internal predecessors, (1450), 166 states have call successors, (166), 148 states have call predecessors, (166), 160 states have return successors, (304), 150 states have call predecessors, (304), 166 states have call successors, (304) [2022-07-12 06:20:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1920 transitions. [2022-07-12 06:20:23,988 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1920 transitions. Word has length 114 [2022-07-12 06:20:23,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:23,988 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 1920 transitions. [2022-07-12 06:20:23,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-07-12 06:20:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1920 transitions. [2022-07-12 06:20:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 06:20:23,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:20:23,991 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 06:20:24,027 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 06:20:24,212 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,SelfDestructingSolverStorable10 [2022-07-12 06:20:24,212 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:20:24,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:20:24,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2126483805, now seen corresponding path program 1 times [2022-07-12 06:20:24,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:20:24,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509859431] [2022-07-12 06:20:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:20:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:20:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 06:20:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:20:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 06:20:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 06:20:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:20:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:20:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 06:20:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:20:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:20:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-12 06:20:24,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:20:24,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509859431] [2022-07-12 06:20:24,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509859431] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:20:24,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:20:24,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 06:20:24,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789806797] [2022-07-12 06:20:24,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:20:24,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 06:20:24,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:20:24,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 06:20:24,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 06:20:24,294 INFO L87 Difference]: Start difference. First operand 1493 states and 1920 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 06:20:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:20:24,443 INFO L93 Difference]: Finished difference Result 2099 states and 2662 transitions. [2022-07-12 06:20:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:20:24,444 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 114 [2022-07-12 06:20:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:20:24,445 INFO L225 Difference]: With dead ends: 2099 [2022-07-12 06:20:24,445 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:20:24,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-07-12 06:20:24,448 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 155 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:20:24,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 305 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:20:24,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:20:24,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:20:24,449 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 06:20:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:20:24,449 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2022-07-12 06:20:24,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:20:24,449 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:20:24,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-12 06:20:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:20:24,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:20:24,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:20:24,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 06:20:24,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:20:27,305 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 309 316) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-12 06:20:27,305 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2022-07-12 06:20:27,305 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 309 316) no Hoare annotation was computed. [2022-07-12 06:20:27,306 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 224 230) no Hoare annotation was computed. [2022-07-12 06:20:27,306 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 224 230) the Hoare annotation is: true [2022-07-12 06:20:27,306 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 549 560) the Hoare annotation is: true [2022-07-12 06:20:27,307 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 549 560) no Hoare annotation was computed. [2022-07-12 06:20:27,307 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 549 560) no Hoare annotation was computed. [2022-07-12 06:20:27,307 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-12 06:20:27,307 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 428 457) no Hoare annotation was computed. [2022-07-12 06:20:27,307 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 428 457) the Hoare annotation is: true [2022-07-12 06:20:27,307 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2022-07-12 06:20:27,307 INFO L902 garLoopResultBuilder]: At program point L442-1(lines 442 446) the Hoare annotation is: true [2022-07-12 06:20:27,307 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-07-12 06:20:27,308 INFO L902 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: true [2022-07-12 06:20:27,308 INFO L902 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: true [2022-07-12 06:20:27,308 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2022-07-12 06:20:27,308 INFO L902 garLoopResultBuilder]: At program point L453(lines 428 457) the Hoare annotation is: true [2022-07-12 06:20:27,308 INFO L895 garLoopResultBuilder]: At program point L407(lines 392 410) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,308 INFO L899 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2022-07-12 06:20:27,308 INFO L895 garLoopResultBuilder]: At program point L333(lines 328 336) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,309 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2022-07-12 06:20:27,309 INFO L895 garLoopResultBuilder]: At program point L631(lines 626 633) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,309 INFO L895 garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse3 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (and .cse0 .cse8 .cse1 (not .cse4))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (and .cse2 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse6 .cse3 .cse5) (or .cse6 (and .cse2 .cse8) .cse7 (not (<= 1 |old(~waterLevel~0)|))) (or .cse6 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-07-12 06:20:27,309 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,309 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,309 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2022-07-12 06:20:27,310 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2022-07-12 06:20:27,310 INFO L895 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse8 .cse9 .cse6 .cse10 (not .cse2))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse7 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse6 .cse7) .cse1) (or (and .cse8 .cse9 .cse10) (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) .cse5 .cse7) .cse2 .cse3)))) [2022-07-12 06:20:27,310 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse3)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse3 .cse4) (or .cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse4)))) [2022-07-12 06:20:27,310 INFO L895 garLoopResultBuilder]: At program point L277-1(lines 258 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2))) (or (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0)) .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-12 06:20:27,310 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2022-07-12 06:20:27,310 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2022-07-12 06:20:27,310 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-07-12 06:20:27,310 INFO L895 garLoopResultBuilder]: At program point L529-2(lines 525 536) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,310 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-12 06:20:27,311 INFO L895 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L895 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2022-07-12 06:20:27,311 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2022-07-12 06:20:27,311 INFO L895 garLoopResultBuilder]: At program point L486(lines 482 488) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-12 06:20:27,311 INFO L895 garLoopResultBuilder]: At program point L168-2(lines 162 175) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L152-1(lines 152 158) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L895 garLoopResultBuilder]: At program point L177(lines 132 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-12 06:20:27,312 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-12 06:20:27,312 INFO L895 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:20:27,312 INFO L902 garLoopResultBuilder]: At program point L496(lines 489 498) the Hoare annotation is: true [2022-07-12 06:20:27,312 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2022-07-12 06:20:27,312 INFO L899 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2022-07-12 06:20:27,313 INFO L895 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-07-12 06:20:27,313 INFO L902 garLoopResultBuilder]: At program point L183(lines 122 187) the Hoare annotation is: true [2022-07-12 06:20:27,313 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2022-07-12 06:20:27,313 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2022-07-12 06:20:27,313 INFO L895 garLoopResultBuilder]: At program point L423(lines 411 425) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-07-12 06:20:27,313 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2022-07-12 06:20:27,313 INFO L902 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2022-07-12 06:20:27,313 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:20:27,313 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 232 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-12 06:20:27,313 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2022-07-12 06:20:27,313 INFO L899 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2022-07-12 06:20:27,313 INFO L895 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-07-12 06:20:27,313 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse0 .cse1) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))))) [2022-07-12 06:20:27,313 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point L288(lines 283 290) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 232 256) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 232 256) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point L299-2(lines 292 308) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point L388(lines 373 391) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2))) [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point L324(lines 317 327) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point L611(lines 602 615) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) .cse1))) [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 537 548) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 537 548) no Hoare annotation was computed. [2022-07-12 06:20:27,314 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 537 548) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-12 06:20:27,317 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:20:27,319 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:20:27,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:20:27 BoogieIcfgContainer [2022-07-12 06:20:27,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:20:27,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:20:27,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:20:27,341 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:20:27,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:20:19" (3/4) ... [2022-07-12 06:20:27,344 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:20:27,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:20:27,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:20:27,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:20:27,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:20:27,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:20:27,349 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:20:27,350 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:20:27,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-07-12 06:20:27,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:20:27,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:20:27,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:20:27,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:20:27,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:20:27,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:20:27,377 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-12 06:20:27,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-07-12 06:20:27,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2022-07-12 06:20:27,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,378 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-07-12 06:20:27,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1) [2022-07-12 06:20:27,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel) && 1 <= tmp)) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive)))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-07-12 06:20:27,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-07-12 06:20:27,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-07-12 06:20:27,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-07-12 06:20:27,402 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:20:27,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:20:27,403 INFO L158 Benchmark]: Toolchain (without parser) took 8652.76ms. Allocated memory was 104.9MB in the beginning and 211.8MB in the end (delta: 107.0MB). Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,403 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 104.9MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:20:27,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.28ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.46ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 67.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,403 INFO L158 Benchmark]: Boogie Preprocessor took 32.18ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,404 INFO L158 Benchmark]: RCFGBuilder took 475.99ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 66.2MB in the beginning and 119.6MB in the end (delta: -53.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,404 INFO L158 Benchmark]: TraceAbstraction took 7625.99ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 118.7MB in the beginning and 77.5MB in the end (delta: 41.2MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,404 INFO L158 Benchmark]: Witness Printer took 61.21ms. Allocated memory is still 211.8MB. Free memory was 77.5MB in the beginning and 71.2MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 06:20:27,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 104.9MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.28ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.46ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 67.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.18ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.99ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 66.2MB in the beginning and 119.6MB in the end (delta: -53.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7625.99ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 118.7MB in the beginning and 77.5MB in the end (delta: 41.2MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. * Witness Printer took 61.21ms. Allocated memory is still 211.8MB. Free memory was 77.5MB in the beginning and 71.2MB in the end (delta: 6.3MB). 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: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1829 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1811 mSDsluCounter, 4284 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2958 mSDsCounter, 423 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1954 IncrementalHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 423 mSolverCounterUnsat, 1326 mSDtfsCounter, 1954 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 348 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1493occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 484 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2690 PreInvPairs, 2995 NumberOfFragments, 1140 HoareAnnotationTreeSize, 2690 FomulaSimplifications, 3657 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 23497 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 858 ConstructedInterpolants, 0 QuantifiedInterpolants, 1644 SizeOfPredicates, 8 NumberOfNonLiveVariables, 955 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 252/282 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel) && 1 <= tmp)) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive)))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:20:27,449 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