./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product38.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 ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:00:15,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:00:15,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:00:15,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:00:15,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:00:15,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:00:15,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:00:15,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:00:15,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:00:15,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:00:15,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:00:15,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:00:15,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:00:15,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:00:15,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:00:15,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:00:15,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:00:15,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:00:15,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:00:15,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:00:15,450 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:00:15,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:00:15,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:00:15,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:00:15,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:00:15,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:00:15,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:00:15,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:00:15,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:00:15,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:00:15,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:00:15,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:00:15,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:00:15,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:00:15,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:00:15,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:00:15,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:00:15,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:00:15,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:00:15,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:00:15,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:00:15,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:00:15,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:00:15,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:00:15,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:00:15,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:00:15,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:00:15,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:00:15,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:00:15,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:00:15,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:00:15,507 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:00:15,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:00:15,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:00:15,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:00:15,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:00:15,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:00:15,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:00:15,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:00:15,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:00:15,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:00:15,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:00:15,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:00:15,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:00:15,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:00:15,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:00:15,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:00:15,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:00:15,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:00:15,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:00:15,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:00:15,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:00:15,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:00:15,511 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:00:15,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:00:15,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:00:15,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 [2022-07-21 05:00:15,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:00:15,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:00:15,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:00:15,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:00:15,808 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:00:15,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2022-07-21 05:00:15,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41d2d0b7/ea9a7eca8f65459aa2e24b532cdb3b1a/FLAG9e68dc1e3 [2022-07-21 05:00:16,273 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:00:16,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2022-07-21 05:00:16,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41d2d0b7/ea9a7eca8f65459aa2e24b532cdb3b1a/FLAG9e68dc1e3 [2022-07-21 05:00:16,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41d2d0b7/ea9a7eca8f65459aa2e24b532cdb3b1a [2022-07-21 05:00:16,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:00:16,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:00:16,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:00:16,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:00:16,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:00:16,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c389a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16, skipping insertion in model container [2022-07-21 05:00:16,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:00:16,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:00:16,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2022-07-21 05:00:16,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:00:16,608 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:00:16,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2022-07-21 05:00:16,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:00:16,680 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:00:16,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16 WrapperNode [2022-07-21 05:00:16,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:00:16,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:00:16,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:00:16,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:00:16,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,735 INFO L137 Inliner]: procedures = 55, calls = 155, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 250 [2022-07-21 05:00:16,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:00:16,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:00:16,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:00:16,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:00:16,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:00:16,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:00:16,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:00:16,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:00:16,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (1/1) ... [2022-07-21 05:00:16,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:00:16,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:16,817 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) [2022-07-21 05:00:16,830 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 [2022-07-21 05:00:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:00:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:00:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:00:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:00:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:00:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:00:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:00:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-21 05:00:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-21 05:00:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:00:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:00:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:00:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:00:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:00:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:00:16,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:00:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:00:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:00:16,935 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:00:16,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:00:17,205 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:00:17,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:00:17,212 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:00:17,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:17 BoogieIcfgContainer [2022-07-21 05:00:17,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:00:17,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:00:17,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:00:17,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:00:17,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:00:16" (1/3) ... [2022-07-21 05:00:17,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaafa98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:00:17, skipping insertion in model container [2022-07-21 05:00:17,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:16" (2/3) ... [2022-07-21 05:00:17,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaafa98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:00:17, skipping insertion in model container [2022-07-21 05:00:17,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:17" (3/3) ... [2022-07-21 05:00:17,222 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2022-07-21 05:00:17,232 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:00:17,233 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:00:17,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:00:17,295 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@51ef7be6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6505183b [2022-07-21 05:00:17,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:00:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-21 05:00:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 05:00:17,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:17,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:17,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:17,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:17,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1803312447, now seen corresponding path program 1 times [2022-07-21 05:00:17,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:17,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319503341] [2022-07-21 05:00:17,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:17,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:00:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:17,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:17,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319503341] [2022-07-21 05:00:17,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319503341] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:17,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:17,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:00:17,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381737399] [2022-07-21 05:00:17,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:17,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:00:17,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:17,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:00:17,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:00:17,560 INFO L87 Difference]: Start difference. First operand has 88 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:17,594 INFO L93 Difference]: Finished difference Result 167 states and 228 transitions. [2022-07-21 05:00:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:00:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-21 05:00:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:17,608 INFO L225 Difference]: With dead ends: 167 [2022-07-21 05:00:17,608 INFO L226 Difference]: Without dead ends: 79 [2022-07-21 05:00:17,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:00:17,615 INFO L413 NwaCegarLoop]: 111 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, 111 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 [2022-07-21 05:00:17,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-07-21 05:00:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-07-21 05:00:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 05:00:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2022-07-21 05:00:17,665 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2022-07-21 05:00:17,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:17,666 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2022-07-21 05:00:17,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:17,667 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-07-21 05:00:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 05:00:17,669 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:17,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:17,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:00:17,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:17,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash 220336758, now seen corresponding path program 1 times [2022-07-21 05:00:17,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:17,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495353402] [2022-07-21 05:00:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 05:00:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:17,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495353402] [2022-07-21 05:00:17,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495353402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:17,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:17,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:00:17,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622332338] [2022-07-21 05:00:17,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:17,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:17,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:17,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:17,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:17,761 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:17,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:17,785 INFO L93 Difference]: Finished difference Result 122 states and 158 transitions. [2022-07-21 05:00:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:17,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-21 05:00:17,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:17,789 INFO L225 Difference]: With dead ends: 122 [2022-07-21 05:00:17,790 INFO L226 Difference]: Without dead ends: 70 [2022-07-21 05:00:17,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:17,793 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 13 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 161 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 [2022-07-21 05:00:17,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-07-21 05:00:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-07-21 05:00:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 05:00:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-07-21 05:00:17,801 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 26 [2022-07-21 05:00:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:17,802 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-07-21 05:00:17,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-07-21 05:00:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-21 05:00:17,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:17,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:17,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:00:17,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:17,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:17,804 INFO L85 PathProgramCache]: Analyzing trace with hash 753977737, now seen corresponding path program 1 times [2022-07-21 05:00:17,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:17,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940689782] [2022-07-21 05:00:17,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:17,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:17,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:17,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940689782] [2022-07-21 05:00:17,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940689782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:17,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:17,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:00:17,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351654470] [2022-07-21 05:00:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:17,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:17,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:17,881 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:17,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:17,896 INFO L93 Difference]: Finished difference Result 132 states and 173 transitions. [2022-07-21 05:00:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:17,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-21 05:00:17,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:17,898 INFO L225 Difference]: With dead ends: 132 [2022-07-21 05:00:17,898 INFO L226 Difference]: Without dead ends: 70 [2022-07-21 05:00:17,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:17,900 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:17,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:17,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-07-21 05:00:17,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-07-21 05:00:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 05:00:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-07-21 05:00:17,913 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 31 [2022-07-21 05:00:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:17,914 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-07-21 05:00:17,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 05:00:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-07-21 05:00:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-21 05:00:17,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:17,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:17,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:00:17,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:17,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:17,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1236058631, now seen corresponding path program 1 times [2022-07-21 05:00:17,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:17,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123207678] [2022-07-21 05:00:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 05:00:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:18,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:18,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123207678] [2022-07-21 05:00:18,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123207678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:18,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:18,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:00:18,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068620587] [2022-07-21 05:00:18,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:18,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:00:18,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:18,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:00:18,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:00:18,010 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-21 05:00:18,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:18,208 INFO L93 Difference]: Finished difference Result 207 states and 265 transitions. [2022-07-21 05:00:18,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:00:18,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-07-21 05:00:18,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:18,210 INFO L225 Difference]: With dead ends: 207 [2022-07-21 05:00:18,210 INFO L226 Difference]: Without dead ends: 145 [2022-07-21 05:00:18,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:00:18,212 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 161 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:18,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 299 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:00:18,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-07-21 05:00:18,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139. [2022-07-21 05:00:18,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 107 states have (on average 1.280373831775701) internal successors, (137), 114 states have internal predecessors, (137), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-21 05:00:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 172 transitions. [2022-07-21 05:00:18,225 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 172 transitions. Word has length 41 [2022-07-21 05:00:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:18,225 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 172 transitions. [2022-07-21 05:00:18,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-21 05:00:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 172 transitions. [2022-07-21 05:00:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-21 05:00:18,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:18,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:18,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:00:18,227 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:18,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -649911993, now seen corresponding path program 1 times [2022-07-21 05:00:18,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:18,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230200732] [2022-07-21 05:00:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 05:00:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:18,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:18,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230200732] [2022-07-21 05:00:18,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230200732] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:18,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:18,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:18,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975541716] [2022-07-21 05:00:18,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:18,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:18,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:18,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:18,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:18,313 INFO L87 Difference]: Start difference. First operand 139 states and 172 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:00:18,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:18,436 INFO L93 Difference]: Finished difference Result 278 states and 348 transitions. [2022-07-21 05:00:18,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:00:18,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-21 05:00:18,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:18,440 INFO L225 Difference]: With dead ends: 278 [2022-07-21 05:00:18,441 INFO L226 Difference]: Without dead ends: 147 [2022-07-21 05:00:18,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-21 05:00:18,446 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 58 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:18,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 365 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:18,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2022-07-21 05:00:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 142. [2022-07-21 05:00:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 117 states have internal predecessors, (140), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-21 05:00:18,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 175 transitions. [2022-07-21 05:00:18,468 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 175 transitions. Word has length 45 [2022-07-21 05:00:18,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:18,469 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 175 transitions. [2022-07-21 05:00:18,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:00:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 175 transitions. [2022-07-21 05:00:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-21 05:00:18,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:18,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:18,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:00:18,473 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:18,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:18,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1956111561, now seen corresponding path program 1 times [2022-07-21 05:00:18,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:18,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93884644] [2022-07-21 05:00:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:18,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 05:00:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:18,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:18,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93884644] [2022-07-21 05:00:18,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93884644] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:18,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:18,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:00:18,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068051635] [2022-07-21 05:00:18,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:18,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:00:18,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:18,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:00:18,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:00:18,554 INFO L87 Difference]: Start difference. First operand 142 states and 175 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:00:18,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:18,639 INFO L93 Difference]: Finished difference Result 286 states and 359 transitions. [2022-07-21 05:00:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:00:18,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-21 05:00:18,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:18,641 INFO L225 Difference]: With dead ends: 286 [2022-07-21 05:00:18,641 INFO L226 Difference]: Without dead ends: 152 [2022-07-21 05:00:18,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:18,646 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 61 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:18,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 288 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:18,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-07-21 05:00:18,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 144. [2022-07-21 05:00:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 119 states have internal predecessors, (142), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-21 05:00:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2022-07-21 05:00:18,669 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 177 transitions. Word has length 45 [2022-07-21 05:00:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:18,669 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-07-21 05:00:18,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:00:18,669 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 177 transitions. [2022-07-21 05:00:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-21 05:00:18,670 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:18,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:18,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:00:18,671 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:18,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1916153909, now seen corresponding path program 1 times [2022-07-21 05:00:18,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:18,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283964671] [2022-07-21 05:00:18,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:18,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 05:00:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:18,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:18,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:18,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283964671] [2022-07-21 05:00:18,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283964671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:18,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:18,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:00:18,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021318553] [2022-07-21 05:00:18,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:18,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:00:18,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:18,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:00:18,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:00:18,733 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:00:18,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:18,915 INFO L93 Difference]: Finished difference Result 405 states and 519 transitions. [2022-07-21 05:00:18,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:00:18,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-07-21 05:00:18,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:18,919 INFO L225 Difference]: With dead ends: 405 [2022-07-21 05:00:18,919 INFO L226 Difference]: Without dead ends: 269 [2022-07-21 05:00:18,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:18,920 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 196 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:18,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 308 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:18,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-07-21 05:00:18,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 261. [2022-07-21 05:00:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.2587064676616915) internal successors, (253), 212 states have internal predecessors, (253), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2022-07-21 05:00:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 328 transitions. [2022-07-21 05:00:18,944 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 328 transitions. Word has length 45 [2022-07-21 05:00:18,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:18,945 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 328 transitions. [2022-07-21 05:00:18,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:00:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 328 transitions. [2022-07-21 05:00:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-21 05:00:18,948 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:18,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:18,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:00:18,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:18,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:18,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1607715167, now seen corresponding path program 1 times [2022-07-21 05:00:18,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:18,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561432159] [2022-07-21 05:00:18,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:18,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 05:00:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:19,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:19,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561432159] [2022-07-21 05:00:19,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561432159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:19,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:19,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:19,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882535601] [2022-07-21 05:00:19,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:19,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:19,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:19,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:19,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:19,028 INFO L87 Difference]: Start difference. First operand 261 states and 328 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:00:19,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:19,200 INFO L93 Difference]: Finished difference Result 530 states and 677 transitions. [2022-07-21 05:00:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 05:00:19,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2022-07-21 05:00:19,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:19,206 INFO L225 Difference]: With dead ends: 530 [2022-07-21 05:00:19,206 INFO L226 Difference]: Without dead ends: 277 [2022-07-21 05:00:19,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:00:19,207 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 113 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:19,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 340 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:19,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-07-21 05:00:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2022-07-21 05:00:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 197 states have (on average 1.2233502538071066) internal successors, (241), 208 states have internal predecessors, (241), 30 states have call successors, (30), 28 states have call predecessors, (30), 29 states have return successors, (45), 30 states have call predecessors, (45), 30 states have call successors, (45) [2022-07-21 05:00:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2022-07-21 05:00:19,222 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 47 [2022-07-21 05:00:19,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:19,222 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2022-07-21 05:00:19,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:00:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2022-07-21 05:00:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-21 05:00:19,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:19,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:19,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:00:19,224 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:19,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash 715309297, now seen corresponding path program 1 times [2022-07-21 05:00:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:19,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379456425] [2022-07-21 05:00:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 05:00:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 05:00:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:19,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:19,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379456425] [2022-07-21 05:00:19,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379456425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:19,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:19,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:00:19,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761719018] [2022-07-21 05:00:19,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:19,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:00:19,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:19,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:00:19,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:00:19,276 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:00:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:19,455 INFO L93 Difference]: Finished difference Result 473 states and 598 transitions. [2022-07-21 05:00:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:00:19,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-07-21 05:00:19,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:19,458 INFO L225 Difference]: With dead ends: 473 [2022-07-21 05:00:19,458 INFO L226 Difference]: Without dead ends: 471 [2022-07-21 05:00:19,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 05:00:19,460 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 256 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:19,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 247 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-07-21 05:00:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 431. [2022-07-21 05:00:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 330 states have (on average 1.2242424242424241) internal successors, (404), 351 states have internal predecessors, (404), 52 states have call successors, (52), 42 states have call predecessors, (52), 48 states have return successors, (94), 51 states have call predecessors, (94), 52 states have call successors, (94) [2022-07-21 05:00:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 550 transitions. [2022-07-21 05:00:19,487 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 550 transitions. Word has length 49 [2022-07-21 05:00:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:19,487 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 550 transitions. [2022-07-21 05:00:19,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:00:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 550 transitions. [2022-07-21 05:00:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-21 05:00:19,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:19,488 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:19,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 05:00:19,489 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:19,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1623088946, now seen corresponding path program 1 times [2022-07-21 05:00:19,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:19,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294959636] [2022-07-21 05:00:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:19,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:00:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 05:00:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 05:00:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 05:00:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-21 05:00:19,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:19,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294959636] [2022-07-21 05:00:19,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294959636] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:19,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996441385] [2022-07-21 05:00:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:19,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:19,606 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) [2022-07-21 05:00:19,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:00:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:19,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 05:00:19,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:19,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:19,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996441385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:19,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:19,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2022-07-21 05:00:19,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640852078] [2022-07-21 05:00:19,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:19,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:19,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:19,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:19,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:00:19,817 INFO L87 Difference]: Start difference. First operand 431 states and 550 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 05:00:19,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:19,844 INFO L93 Difference]: Finished difference Result 756 states and 980 transitions. [2022-07-21 05:00:19,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:19,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 88 [2022-07-21 05:00:19,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:19,847 INFO L225 Difference]: With dead ends: 756 [2022-07-21 05:00:19,847 INFO L226 Difference]: Without dead ends: 382 [2022-07-21 05:00:19,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:00:19,849 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 37 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:19,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 193 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-07-21 05:00:19,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2022-07-21 05:00:19,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 292 states have (on average 1.2191780821917808) internal successors, (356), 311 states have internal predecessors, (356), 47 states have call successors, (47), 37 states have call predecessors, (47), 42 states have return successors, (72), 47 states have call predecessors, (72), 47 states have call successors, (72) [2022-07-21 05:00:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 475 transitions. [2022-07-21 05:00:19,868 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 475 transitions. Word has length 88 [2022-07-21 05:00:19,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:19,870 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 475 transitions. [2022-07-21 05:00:19,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 05:00:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 475 transitions. [2022-07-21 05:00:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-21 05:00:19,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:19,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:19,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 05:00:20,091 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 [2022-07-21 05:00:20,091 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:20,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:20,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1045609474, now seen corresponding path program 1 times [2022-07-21 05:00:20,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:20,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899191247] [2022-07-21 05:00:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:20,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:00:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:00:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 05:00:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 05:00:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 05:00:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 05:00:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 05:00:20,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:20,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899191247] [2022-07-21 05:00:20,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899191247] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:20,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632823775] [2022-07-21 05:00:20,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:20,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:20,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:20,215 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) [2022-07-21 05:00:20,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 05:00:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 05:00:20,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-21 05:00:20,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:00:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 05:00:20,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632823775] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:20,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-21 05:00:20,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 5] total 17 [2022-07-21 05:00:20,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651108683] [2022-07-21 05:00:20,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:20,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:20,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:20,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-21 05:00:20,571 INFO L87 Difference]: Start difference. First operand 382 states and 475 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 05:00:20,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:20,657 INFO L93 Difference]: Finished difference Result 1094 states and 1400 transitions. [2022-07-21 05:00:20,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:20,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2022-07-21 05:00:20,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:20,661 INFO L225 Difference]: With dead ends: 1094 [2022-07-21 05:00:20,661 INFO L226 Difference]: Without dead ends: 720 [2022-07-21 05:00:20,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2022-07-21 05:00:20,663 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 51 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:20,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 428 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:20,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-07-21 05:00:20,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 646. [2022-07-21 05:00:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 488 states have (on average 1.1885245901639345) internal successors, (580), 522 states have internal predecessors, (580), 81 states have call successors, (81), 65 states have call predecessors, (81), 76 states have return successors, (125), 81 states have call predecessors, (125), 81 states have call successors, (125) [2022-07-21 05:00:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 786 transitions. [2022-07-21 05:00:20,716 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 786 transitions. Word has length 93 [2022-07-21 05:00:20,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:20,716 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 786 transitions. [2022-07-21 05:00:20,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 05:00:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 786 transitions. [2022-07-21 05:00:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-21 05:00:20,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:20,721 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:20,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 05:00:20,939 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 [2022-07-21 05:00:20,939 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:20,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:20,940 INFO L85 PathProgramCache]: Analyzing trace with hash 429876390, now seen corresponding path program 1 times [2022-07-21 05:00:20,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:20,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399342375] [2022-07-21 05:00:20,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:20,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 05:00:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 05:00:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:00:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 05:00:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 05:00:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 05:00:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 05:00:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 05:00:21,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:21,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399342375] [2022-07-21 05:00:21,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399342375] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:21,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738871968] [2022-07-21 05:00:21,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:21,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:21,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:21,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 05:00:21,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 05:00:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 05:00:21,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-21 05:00:21,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:21,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738871968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:21,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:21,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2022-07-21 05:00:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888297384] [2022-07-21 05:00:21,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:21,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:21,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2022-07-21 05:00:21,244 INFO L87 Difference]: Start difference. First operand 646 states and 786 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-21 05:00:21,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:21,327 INFO L93 Difference]: Finished difference Result 1174 states and 1422 transitions. [2022-07-21 05:00:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:00:21,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2022-07-21 05:00:21,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:21,329 INFO L225 Difference]: With dead ends: 1174 [2022-07-21 05:00:21,329 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:00:21,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2022-07-21 05:00:21,331 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 46 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:21,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 815 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:21,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:00:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:00:21,332 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) [2022-07-21 05:00:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:00:21,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2022-07-21 05:00:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:21,333 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:00:21,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-21 05:00:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:00:21,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:00:21,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:00:21,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 05:00:21,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:21,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:00:24,866 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 173 179) no Hoare annotation was computed. [2022-07-21 05:00:24,866 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 173 179) the Hoare annotation is: true [2022-07-21 05:00:24,866 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 526 537) no Hoare annotation was computed. [2022-07-21 05:00:24,866 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 526 537) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse4 .cse6 .cse1 .cse2 .cse7) (or .cse0 .cse5 .cse1 .cse3 .cse7))) [2022-07-21 05:00:24,866 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 526 537) no Hoare annotation was computed. [2022-07-21 05:00:24,866 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L902 garLoopResultBuilder]: At program point L417-1(lines 417 421) the Hoare annotation is: true [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 403 432) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 403 432) the Hoare annotation is: true [2022-07-21 05:00:24,867 INFO L902 garLoopResultBuilder]: At program point L413-2(lines 413 427) the Hoare annotation is: true [2022-07-21 05:00:24,867 INFO L902 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: true [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L902 garLoopResultBuilder]: At program point L428(lines 403 432) the Hoare annotation is: true [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point L424(line 424) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L895 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L895 garLoopResultBuilder]: At program point L506-2(lines 502 513) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 149 172) no Hoare annotation was computed. [2022-07-21 05:00:24,867 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse3))) [2022-07-21 05:00:24,867 INFO L895 garLoopResultBuilder]: At program point L226-1(lines 207 231) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 1 ~systemActive~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse10 (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse15)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse12 (and .cse6 .cse7 .cse8 .cse15)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not .cse8)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not .cse14)) (.cse13 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse7 .cse14 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse4 (and .cse0 .cse7 .cse8) .cse9 .cse5) (or .cse0 .cse1 .cse4 .cse10 .cse11 .cse12) (or .cse4 .cse9 .cse11 .cse13 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4 .cse10 .cse5 .cse12) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse11) (or .cse1 .cse4 .cse9 .cse11 .cse13)))) [2022-07-21 05:00:24,867 INFO L895 garLoopResultBuilder]: At program point L255(lines 248 258) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 .cse3 (and .cse4 (= ~methAndRunningLastTime~0 0) .cse7)) (or .cse2 .cse5 .cse3 (and .cse4 .cse7) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:00:24,867 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point L78-1(lines 70 98) the Hoare annotation is: (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse6 .cse7 .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8)) (.cse0 (not .cse8)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse8 .cse5)) (or .cse9 .cse0 .cse1 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse11 .cse0 .cse10 (and .cse3 .cse7 .cse4 .cse8 .cse12) (and .cse13 .cse14 .cse8 .cse12)) (or .cse6 .cse11 .cse0 (and .cse13 .cse4 .cse14 .cse8 .cse5 .cse12) .cse2 (and .cse3 .cse7 .cse4 .cse8 .cse5 .cse12)) (or .cse11 .cse9 .cse0 .cse1 .cse10)))) [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point L264(lines 259 267) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_isPumpRunning_#res#1| 0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4) (or .cse5 .cse6 .cse0 .cse4) (or .cse5 .cse6 .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse2) (or .cse6 .cse0 .cse1 .cse2 .cse3) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse5 .cse6 .cse0 (and (<= 1 ~pumpRunning~0) .cse7 (<= 2 ~waterLevel~0) .cse8) .cse2 (and .cse9 .cse10 .cse8)))))) [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 152 171) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L253-1(line 253) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse5))) [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point L245(lines 240 247) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse8)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse9)) (.cse5 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse7 .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse6) (or .cse2 (and .cse0 .cse7 .cse8) .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse3 .cse5)))) [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 149 172) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse8 .cse10)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse9 .cse10)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse1 .cse7 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or (and .cse8 .cse9 .cse10) .cse5 .cse0 .cse1 .cse7)))) [2022-07-21 05:00:24,868 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 1 ~systemActive~0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse10 (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse15)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse12 (and .cse6 .cse7 .cse8 .cse15)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not .cse8)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not .cse14)) (.cse13 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse7 .cse14 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse4 (and .cse0 .cse7 .cse8) .cse9 .cse5) (or .cse0 .cse1 .cse4 .cse10 .cse11 .cse12) (or .cse4 .cse9 .cse11 .cse13 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4 .cse10 .cse5 .cse12) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse11) (or .cse1 .cse4 .cse9 .cse11 .cse13)))) [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2022-07-21 05:00:24,868 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 149 172) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 538 546) the Hoare annotation is: true [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 538 546) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 538 546) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L895 garLoopResultBuilder]: At program point L118(lines 114 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:24,869 INFO L902 garLoopResultBuilder]: At program point L494(lines 475 497) the Hoare annotation is: true [2022-07-21 05:00:24,869 INFO L895 garLoopResultBuilder]: At program point L461(lines 457 463) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L895 garLoopResultBuilder]: At program point L383-2(lines 375 388) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3))) [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L346(lines 345 392) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 388) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3))) [2022-07-21 05:00:24,869 INFO L902 garLoopResultBuilder]: At program point L396(lines 335 400) the Hoare annotation is: true [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 361) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-07-21 05:00:24,869 INFO L895 garLoopResultBuilder]: At program point L393(lines 344 394) the Hoare annotation is: false [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L67(lines 62 69) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L125(lines 121 127) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:24,870 INFO L902 garLoopResultBuilder]: At program point L472(lines 464 474) the Hoare annotation is: true [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 371) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L328(lines 323 330) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse1 .cse2 .cse3) (and .cse5 .cse4 .cse6 .cse2 .cse3) (and .cse0 .cse6 .cse2 .cse3))) [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L390(lines 345 392) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3))) [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 492) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse6 .cse4 .cse1 .cse2 .cse3) (and .cse6 .cse4 .cse5 .cse2 .cse3))) [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L485-2(lines 485 492) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 181 205) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4))) [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 589) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4)))) [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L319(lines 304 322) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse3 (and .cse6 (<= 2 ~waterLevel~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5)))) [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 197) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 181 205) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 202) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 317) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2022-07-21 05:00:24,870 INFO L895 garLoopResultBuilder]: At program point L237(lines 232 239) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4) (or .cse2 .cse3 .cse0 .cse1 .cse4))) [2022-07-21 05:00:24,871 INFO L895 garLoopResultBuilder]: At program point L588(lines 579 592) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse4 (and .cse6 (<= 2 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse3 .cse1 .cse4 .cse5) (or .cse2 .cse0 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5)))) [2022-07-21 05:00:24,871 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3))) [2022-07-21 05:00:24,871 INFO L899 garLoopResultBuilder]: For program point L200-1(lines 181 205) no Hoare annotation was computed. [2022-07-21 05:00:24,871 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 514 525) no Hoare annotation was computed. [2022-07-21 05:00:24,871 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2022-07-21 05:00:24,871 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 514 525) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse6 .cse3 .cse5))) [2022-07-21 05:00:24,873 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:24,874 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:00:24,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:00:24 BoogieIcfgContainer [2022-07-21 05:00:24,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:00:24,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:00:24,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:00:24,895 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:00:24,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:17" (3/4) ... [2022-07-21 05:00:24,905 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:00:24,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:00:24,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-21 05:00:24,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:00:24,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:00:24,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:00:24,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:00:24,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:00:24,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:00:24,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) [2022-07-21 05:00:24,938 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) [2022-07-21 05:00:24,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || ((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && tmp == 0)) && (((((((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel))) && ((((!(\old(methAndRunningLastTime) == 0) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 == systemActive)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) [2022-07-21 05:00:24,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) [2022-07-21 05:00:24,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0)) || !(2 <= \old(waterLevel))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) [2022-07-21 05:00:24,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) [2022-07-21 05:00:24,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) [2022-07-21 05:00:24,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-21 05:00:24,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) [2022-07-21 05:00:24,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0)) [2022-07-21 05:00:24,953 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:00:24,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:00:24,954 INFO L158 Benchmark]: Toolchain (without parser) took 8650.50ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 34.8MB in the beginning and 49.3MB in the end (delta: -14.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,954 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:00:24,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.54ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 34.6MB in the beginning and 49.2MB in the end (delta: -14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.98ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 46.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,955 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 73.4MB. Free memory was 46.6MB in the beginning and 45.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,955 INFO L158 Benchmark]: RCFGBuilder took 459.57ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 47.8MB in the end (delta: -2.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,955 INFO L158 Benchmark]: TraceAbstraction took 7677.69ms. Allocated memory was 73.4MB in the beginning and 130.0MB in the end (delta: 56.6MB). Free memory was 47.2MB in the beginning and 55.6MB in the end (delta: -8.4MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,956 INFO L158 Benchmark]: Witness Printer took 59.22ms. Allocated memory is still 130.0MB. Free memory was 55.6MB in the beginning and 49.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 05:00:24,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.54ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 34.6MB in the beginning and 49.2MB in the end (delta: -14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.98ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 46.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 73.4MB. Free memory was 46.6MB in the beginning and 45.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.57ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 47.8MB in the end (delta: -2.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7677.69ms. Allocated memory was 73.4MB in the beginning and 130.0MB in the end (delta: 56.6MB). Free memory was 47.2MB in the beginning and 55.6MB in the end (delta: -8.4MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 59.22ms. Allocated memory is still 130.0MB. Free memory was 55.6MB in the beginning and 49.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 54]: 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, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1106 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1076 mSDsluCounter, 3643 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2334 mSDsCounter, 264 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 824 IncrementalHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 264 mSolverCounterUnsat, 1309 mSDtfsCounter, 824 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 461 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=646occurred in iteration=11, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 161 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1234 PreInvPairs, 1433 NumberOfFragments, 2681 HoareAnnotationTreeSize, 1234 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 10016 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 910 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 2038 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1402 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 220/242 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: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0)) || !(2 <= \old(waterLevel))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && pumpRunning == 0) && 1 <= \result) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || ((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && tmp == 0)) && (((((((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && tmp == 0) && \old(waterLevel) == waterLevel))) && ((((!(\old(methAndRunningLastTime) == 0) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && 1 == systemActive)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:00:25,007 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