./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product62.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_spec5_product62.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 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:02:47,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:02:47,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:02:47,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:02:47,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:02:47,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:02:47,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:02:47,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:02:47,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:02:47,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:02:47,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:02:47,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:02:47,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:02:47,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:02:47,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:02:47,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:02:47,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:02:47,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:02:47,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:02:47,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:02:47,672 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:02:47,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:02:47,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:02:47,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:02:47,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:02:47,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:02:47,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:02:47,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:02:47,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:02:47,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:02:47,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:02:47,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:02:47,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:02:47,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:02:47,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:02:47,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:02:47,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:02:47,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:02:47,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:02:47,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:02:47,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:02:47,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:02:47,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:02:47,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:02:47,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:02:47,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:02:47,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:02:47,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:02:47,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:02:47,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:02:47,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:02:47,734 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:02:47,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:02:47,735 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:02:47,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:02:47,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:02:47,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:02:47,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:02:47,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:02:47,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:02:47,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:02:47,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:02:47,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:02:47,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:02:47,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:02:47,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:02:47,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:02:47,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:47,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:02:47,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:02:47,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:02:47,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:02:47,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:02:47,739 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:02:47,739 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:02:47,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:02:47,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c [2022-07-21 05:02:48,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:02:48,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:02:48,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:02:48,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:02:48,061 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:02:48,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2022-07-21 05:02:48,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1742cfa0/5977d53811e9447ebf0279310ee2b33e/FLAG69a47e6b5 [2022-07-21 05:02:48,648 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:02:48,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2022-07-21 05:02:48,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1742cfa0/5977d53811e9447ebf0279310ee2b33e/FLAG69a47e6b5 [2022-07-21 05:02:49,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1742cfa0/5977d53811e9447ebf0279310ee2b33e [2022-07-21 05:02:49,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:02:49,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:02:49,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:49,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:02:49,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:02:49,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19784693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49, skipping insertion in model container [2022-07-21 05:02:49,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:02:49,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:02:49,507 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_spec5_product62.cil.c[19180,19193] [2022-07-21 05:02:49,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:49,523 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:02:49,602 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_spec5_product62.cil.c[19180,19193] [2022-07-21 05:02:49,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:49,617 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:02:49,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49 WrapperNode [2022-07-21 05:02:49,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:49,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:49,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:02:49,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:02:49,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,694 INFO L137 Inliner]: procedures = 60, calls = 164, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 297 [2022-07-21 05:02:49,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:49,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:02:49,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:02:49,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:02:49,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:02:49,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:02:49,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:02:49,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:02:49,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (1/1) ... [2022-07-21 05:02:49,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:49,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:49,781 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 05:02:49,807 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 05:02:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:02:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:02:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:02:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:02:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:02:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:02:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:02:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:02:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:02:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:02:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:02:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-21 05:02:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-21 05:02:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 05:02:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 05:02:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:02:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:02:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:02:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:02:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:02:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:02:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:02:49,923 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:02:49,925 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:02:50,230 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:02:50,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:02:50,241 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:02:50,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:50 BoogieIcfgContainer [2022-07-21 05:02:50,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:02:50,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:02:50,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:02:50,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:02:50,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:02:49" (1/3) ... [2022-07-21 05:02:50,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7710108b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:50, skipping insertion in model container [2022-07-21 05:02:50,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:49" (2/3) ... [2022-07-21 05:02:50,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7710108b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:50, skipping insertion in model container [2022-07-21 05:02:50,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:50" (3/3) ... [2022-07-21 05:02:50,250 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2022-07-21 05:02:50,264 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:02:50,264 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:02:50,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:02:50,309 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@2e586972, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6b30c7d8 [2022-07-21 05:02:50,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:02:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-07-21 05:02:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 05:02:50,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:50,336 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:50,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:50,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1960372766, now seen corresponding path program 1 times [2022-07-21 05:02:50,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:50,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679990331] [2022-07-21 05:02:50,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:50,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 05:02:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:02:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:50,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:50,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679990331] [2022-07-21 05:02:50,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679990331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:50,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:50,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:02:50,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176062766] [2022-07-21 05:02:50,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:50,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:02:50,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:50,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:02:50,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:02:50,637 INFO L87 Difference]: Start difference. First operand has 114 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 94 states have internal predecessors, (114), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:50,681 INFO L93 Difference]: Finished difference Result 219 states and 294 transitions. [2022-07-21 05:02:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:02:50,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 05:02:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:50,698 INFO L225 Difference]: With dead ends: 219 [2022-07-21 05:02:50,699 INFO L226 Difference]: Without dead ends: 105 [2022-07-21 05:02:50,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 05:02:50,707 INFO L413 NwaCegarLoop]: 144 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, 144 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 05:02:50,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:50,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-07-21 05:02:50,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-07-21 05:02:50,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 86 states have internal predecessors, (100), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-21 05:02:50,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2022-07-21 05:02:50,746 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 32 [2022-07-21 05:02:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:50,752 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2022-07-21 05:02:50,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2022-07-21 05:02:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 05:02:50,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:50,756 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:50,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:02:50,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:50,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:50,757 INFO L85 PathProgramCache]: Analyzing trace with hash -526010073, now seen corresponding path program 1 times [2022-07-21 05:02:50,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:50,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87509035] [2022-07-21 05:02:50,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:02:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 05:02:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:50,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:50,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87509035] [2022-07-21 05:02:50,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87509035] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:50,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:50,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:50,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111791859] [2022-07-21 05:02:50,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:50,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:50,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:50,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:50,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:50,863 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:50,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:50,886 INFO L93 Difference]: Finished difference Result 174 states and 224 transitions. [2022-07-21 05:02:50,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:50,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-21 05:02:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:50,898 INFO L225 Difference]: With dead ends: 174 [2022-07-21 05:02:50,898 INFO L226 Difference]: Without dead ends: 96 [2022-07-21 05:02:50,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 05:02:50,904 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 13 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 227 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 05:02:50,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:50,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-21 05:02:50,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-21 05:02:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.3098591549295775) internal successors, (93), 80 states have internal predecessors, (93), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 05:02:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-07-21 05:02:50,932 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 33 [2022-07-21 05:02:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:50,933 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-07-21 05:02:50,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-07-21 05:02:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-21 05:02:50,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:50,937 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:50,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:02:50,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:50,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:50,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1914406272, now seen corresponding path program 1 times [2022-07-21 05:02:50,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:50,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870137919] [2022-07-21 05:02:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:50,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 05:02:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:51,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:51,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870137919] [2022-07-21 05:02:51,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870137919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:51,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:51,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:51,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92096694] [2022-07-21 05:02:51,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:51,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:51,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:51,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:51,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:51,002 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:51,027 INFO L93 Difference]: Finished difference Result 184 states and 239 transitions. [2022-07-21 05:02:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:51,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-21 05:02:51,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:51,028 INFO L225 Difference]: With dead ends: 184 [2022-07-21 05:02:51,029 INFO L226 Difference]: Without dead ends: 96 [2022-07-21 05:02:51,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 05:02:51,030 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 121 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 05:02:51,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 121 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:51,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-07-21 05:02:51,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-07-21 05:02:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 80 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 05:02:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2022-07-21 05:02:51,040 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 38 [2022-07-21 05:02:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:51,042 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2022-07-21 05:02:51,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2022-07-21 05:02:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-21 05:02:51,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:51,066 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:51,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:02:51,066 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:51,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1685949316, now seen corresponding path program 1 times [2022-07-21 05:02:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:51,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419031766] [2022-07-21 05:02:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 05:02:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 05:02:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:51,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:51,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419031766] [2022-07-21 05:02:51,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419031766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:51,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:51,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 05:02:51,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430133868] [2022-07-21 05:02:51,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:51,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 05:02:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:51,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 05:02:51,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 05:02:51,167 INFO L87 Difference]: Start difference. First operand 96 states and 122 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 05:02:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:51,341 INFO L93 Difference]: Finished difference Result 273 states and 351 transitions. [2022-07-21 05:02:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:02:51,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-21 05:02:51,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:51,343 INFO L225 Difference]: With dead ends: 273 [2022-07-21 05:02:51,343 INFO L226 Difference]: Without dead ends: 185 [2022-07-21 05:02:51,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:51,345 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 194 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:51,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 237 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:51,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-07-21 05:02:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2022-07-21 05:02:51,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 143 states have internal predecessors, (170), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-07-21 05:02:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2022-07-21 05:02:51,368 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 51 [2022-07-21 05:02:51,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:51,369 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2022-07-21 05:02:51,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 05:02:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2022-07-21 05:02:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-21 05:02:51,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:51,370 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:51,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:02:51,371 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:51,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1718008340, now seen corresponding path program 1 times [2022-07-21 05:02:51,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:51,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128435638] [2022-07-21 05:02:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:51,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 05:02:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:02:51,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:51,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128435638] [2022-07-21 05:02:51,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128435638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:51,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:51,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:02:51,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281698157] [2022-07-21 05:02:51,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:51,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:02:51,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:51,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:02:51,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:51,515 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:51,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:51,809 INFO L93 Difference]: Finished difference Result 362 states and 456 transitions. [2022-07-21 05:02:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 05:02:51,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-07-21 05:02:51,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:51,823 INFO L225 Difference]: With dead ends: 362 [2022-07-21 05:02:51,823 INFO L226 Difference]: Without dead ends: 191 [2022-07-21 05:02:51,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-21 05:02:51,831 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 162 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:51,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 522 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:02:51,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-07-21 05:02:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 177. [2022-07-21 05:02:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 141 states have internal predecessors, (164), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-07-21 05:02:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 219 transitions. [2022-07-21 05:02:51,854 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 219 transitions. Word has length 59 [2022-07-21 05:02:51,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:51,854 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 219 transitions. [2022-07-21 05:02:51,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:51,855 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2022-07-21 05:02:51,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 05:02:51,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:51,856 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:51,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:02:51,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:51,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:51,857 INFO L85 PathProgramCache]: Analyzing trace with hash -12885391, now seen corresponding path program 1 times [2022-07-21 05:02:51,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:51,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200264283] [2022-07-21 05:02:51,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:51,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 05:02:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:51,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:51,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200264283] [2022-07-21 05:02:51,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200264283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:51,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:51,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:02:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043963107] [2022-07-21 05:02:51,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:51,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:02:51,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:51,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:02:51,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:02:51,970 INFO L87 Difference]: Start difference. First operand 177 states and 219 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:52,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:52,138 INFO L93 Difference]: Finished difference Result 356 states and 455 transitions. [2022-07-21 05:02:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:02:52,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2022-07-21 05:02:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:52,140 INFO L225 Difference]: With dead ends: 356 [2022-07-21 05:02:52,140 INFO L226 Difference]: Without dead ends: 187 [2022-07-21 05:02:52,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 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 05:02:52,142 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 81 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:52,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 424 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:52,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-07-21 05:02:52,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 180. [2022-07-21 05:02:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 135 states have (on average 1.237037037037037) internal successors, (167), 144 states have internal predecessors, (167), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-07-21 05:02:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2022-07-21 05:02:52,159 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 65 [2022-07-21 05:02:52,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:52,160 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2022-07-21 05:02:52,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2022-07-21 05:02:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 05:02:52,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:52,161 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:52,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:02:52,162 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:52,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:52,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1373318003, now seen corresponding path program 1 times [2022-07-21 05:02:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:52,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232699653] [2022-07-21 05:02:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:52,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 05:02:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:52,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232699653] [2022-07-21 05:02:52,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232699653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:52,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:52,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:02:52,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540362676] [2022-07-21 05:02:52,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:52,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:02:52,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:52,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:02:52,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:52,239 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:52,373 INFO L93 Difference]: Finished difference Result 362 states and 460 transitions. [2022-07-21 05:02:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:02:52,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2022-07-21 05:02:52,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:52,376 INFO L225 Difference]: With dead ends: 362 [2022-07-21 05:02:52,376 INFO L226 Difference]: Without dead ends: 190 [2022-07-21 05:02:52,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 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 05:02:52,379 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 82 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:52,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 334 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:52,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-07-21 05:02:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 182. [2022-07-21 05:02:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 137 states have (on average 1.2335766423357664) internal successors, (169), 146 states have internal predecessors, (169), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-07-21 05:02:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2022-07-21 05:02:52,395 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 224 transitions. Word has length 65 [2022-07-21 05:02:52,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:52,395 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-07-21 05:02:52,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 224 transitions. [2022-07-21 05:02:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-21 05:02:52,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:52,396 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:52,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:02:52,397 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:52,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:52,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2074917877, now seen corresponding path program 1 times [2022-07-21 05:02:52,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:52,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333721552] [2022-07-21 05:02:52,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 05:02:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:52,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:52,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333721552] [2022-07-21 05:02:52,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333721552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:52,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:52,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:02:52,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788803813] [2022-07-21 05:02:52,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:52,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:02:52,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:52,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:02:52,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:52,479 INFO L87 Difference]: Start difference. First operand 182 states and 224 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 05:02:52,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:52,698 INFO L93 Difference]: Finished difference Result 498 states and 640 transitions. [2022-07-21 05:02:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:02:52,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 65 [2022-07-21 05:02:52,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:52,700 INFO L225 Difference]: With dead ends: 498 [2022-07-21 05:02:52,701 INFO L226 Difference]: Without dead ends: 324 [2022-07-21 05:02:52,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 2 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 05:02:52,702 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 241 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:52,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 357 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:02:52,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-07-21 05:02:52,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 322. [2022-07-21 05:02:52,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 241 states have (on average 1.2074688796680497) internal successors, (291), 254 states have internal predecessors, (291), 42 states have call successors, (42), 35 states have call predecessors, (42), 38 states have return successors, (68), 43 states have call predecessors, (68), 42 states have call successors, (68) [2022-07-21 05:02:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2022-07-21 05:02:52,723 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 65 [2022-07-21 05:02:52,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:52,723 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2022-07-21 05:02:52,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 05:02:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2022-07-21 05:02:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-21 05:02:52,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:52,725 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:52,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:02:52,725 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:52,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:52,726 INFO L85 PathProgramCache]: Analyzing trace with hash 843636315, now seen corresponding path program 1 times [2022-07-21 05:02:52,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:52,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374900002] [2022-07-21 05:02:52,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:52,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 05:02:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 05:02:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 05:02:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:52,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:52,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374900002] [2022-07-21 05:02:52,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374900002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:52,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:52,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 05:02:52,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785923726] [2022-07-21 05:02:52,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:52,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 05:02:52,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:52,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 05:02:52,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 05:02:52,866 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-07-21 05:02:53,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:53,682 INFO L93 Difference]: Finished difference Result 867 states and 1137 transitions. [2022-07-21 05:02:53,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-21 05:02:53,683 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 69 [2022-07-21 05:02:53,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:53,689 INFO L225 Difference]: With dead ends: 867 [2022-07-21 05:02:53,689 INFO L226 Difference]: Without dead ends: 609 [2022-07-21 05:02:53,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-07-21 05:02:53,693 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 733 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:53,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 558 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 05:02:53,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2022-07-21 05:02:53,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 500. [2022-07-21 05:02:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 373 states have (on average 1.198391420911528) internal successors, (447), 396 states have internal predecessors, (447), 66 states have call successors, (66), 50 states have call predecessors, (66), 60 states have return successors, (108), 66 states have call predecessors, (108), 66 states have call successors, (108) [2022-07-21 05:02:53,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 621 transitions. [2022-07-21 05:02:53,738 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 621 transitions. Word has length 69 [2022-07-21 05:02:53,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:53,739 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 621 transitions. [2022-07-21 05:02:53,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-07-21 05:02:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 621 transitions. [2022-07-21 05:02:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 05:02:53,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:53,741 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:53,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 05:02:53,742 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:53,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:53,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626689, now seen corresponding path program 1 times [2022-07-21 05:02:53,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:53,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819239788] [2022-07-21 05:02:53,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:53,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:02:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 05:02:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 05:02:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 05:02:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 05:02:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 05:02:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 05:02:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-21 05:02:53,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:53,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819239788] [2022-07-21 05:02:53,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819239788] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:02:53,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990320558] [2022-07-21 05:02:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:02:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:53,907 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 05:02:53,956 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 05:02:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:54,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 05:02:54,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:02:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:02:54,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:02:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-21 05:02:54,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990320558] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 05:02:54,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 05:02:54,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-21 05:02:54,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073068320] [2022-07-21 05:02:54,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 05:02:54,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 05:02:54,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:54,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 05:02:54,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-07-21 05:02:54,425 INFO L87 Difference]: Start difference. First operand 500 states and 621 transitions. Second operand has 15 states, 15 states have (on average 9.6) internal successors, (144), 10 states have internal predecessors, (144), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2022-07-21 05:02:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:55,332 INFO L93 Difference]: Finished difference Result 1031 states and 1308 transitions. [2022-07-21 05:02:55,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 05:02:55,332 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.6) internal successors, (144), 10 states have internal predecessors, (144), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) Word has length 123 [2022-07-21 05:02:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:55,333 INFO L225 Difference]: With dead ends: 1031 [2022-07-21 05:02:55,333 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:02:55,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 279 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=345, Invalid=1137, Unknown=0, NotChecked=0, Total=1482 [2022-07-21 05:02:55,337 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 545 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:55,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1188 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 05:02:55,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:02:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:02:55,338 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 05:02:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:02:55,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-07-21 05:02:55,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:55,339 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:02:55,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.6) internal successors, (144), 10 states have internal predecessors, (144), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 6 states have call successors, (23) [2022-07-21 05:02:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:02:55,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:02:55,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:02:55,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 05:02:55,562 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 05:02:55,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:02:59,020 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 203 210) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (<= 1 ~switchedOnBeforeTS~0))) [2022-07-21 05:02:59,020 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2022-07-21 05:02:59,020 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 203 210) no Hoare annotation was computed. [2022-07-21 05:02:59,021 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-07-21 05:02:59,021 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-07-21 05:02:59,021 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-21 05:02:59,021 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-21 05:02:59,021 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-07-21 05:02:59,021 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-07-21 05:02:59,022 INFO L895 garLoopResultBuilder]: At program point L899(lines 894 902) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-21 05:02:59,022 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:59,022 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 127 151) no Hoare annotation was computed. [2022-07-21 05:02:59,022 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 127 151) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-07-21 05:02:59,023 INFO L895 garLoopResultBuilder]: At program point L301(lines 286 304) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-21 05:02:59,023 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 127 151) no Hoare annotation was computed. [2022-07-21 05:02:59,023 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2022-07-21 05:02:59,023 INFO L899 garLoopResultBuilder]: For program point L295-2(lines 295 299) no Hoare annotation was computed. [2022-07-21 05:02:59,023 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2022-07-21 05:02:59,023 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 222 230) the Hoare annotation is: true [2022-07-21 05:02:59,023 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 222 230) no Hoare annotation was computed. [2022-07-21 05:02:59,024 INFO L899 garLoopResultBuilder]: For program point L831-1(lines 827 838) no Hoare annotation was computed. [2022-07-21 05:02:59,024 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 827 838) the Hoare annotation is: true [2022-07-21 05:02:59,024 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 827 838) no Hoare annotation was computed. [2022-07-21 05:02:59,024 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 905 934) no Hoare annotation was computed. [2022-07-21 05:02:59,024 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2022-07-21 05:02:59,024 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 905 934) the Hoare annotation is: true [2022-07-21 05:02:59,025 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2022-07-21 05:02:59,025 INFO L902 garLoopResultBuilder]: At program point L919-1(lines 919 923) the Hoare annotation is: true [2022-07-21 05:02:59,025 INFO L899 garLoopResultBuilder]: For program point L916(line 916) no Hoare annotation was computed. [2022-07-21 05:02:59,025 INFO L902 garLoopResultBuilder]: At program point L915-2(lines 915 929) the Hoare annotation is: true [2022-07-21 05:02:59,025 INFO L902 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: true [2022-07-21 05:02:59,025 INFO L899 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2022-07-21 05:02:59,025 INFO L902 garLoopResultBuilder]: At program point L930(lines 905 934) the Hoare annotation is: true [2022-07-21 05:02:59,026 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:59,026 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2022-07-21 05:02:59,026 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (or .cse8 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse5) (or .cse8 .cse0 .cse5 .cse6) (let ((.cse9 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse9 .cse4) .cse5 (and .cse2 .cse9 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:59,026 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2022-07-21 05:02:59,026 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-21 05:02:59,027 INFO L895 garLoopResultBuilder]: At program point L172-1(lines 153 177) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (<= 2 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse6 .cse7) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse7) .cse5)) (let ((.cse8 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse6 .cse8 .cse4) .cse5 (and .cse2 .cse8 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L895 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L161(lines 161 169) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 174) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 357) no Hoare annotation was computed. [2022-07-21 05:02:59,027 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 360) no Hoare annotation was computed. [2022-07-21 05:02:59,028 INFO L895 garLoopResultBuilder]: At program point L343-1(lines 335 363) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not .cse6)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) .cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2) .cse4)) (let ((.cse7 (<= ~waterLevel~0 2))) (or .cse3 .cse5 (and .cse1 .cse6 .cse7 .cse8) .cse4 (and .cse9 .cse6 .cse7 .cse8) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse0 .cse3 (and (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|) (<= |timeShift_getWaterLevel_#res#1| 2) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse4 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse6 .cse11 .cse8) .cse3 .cse5 (and .cse9 .cse6 .cse11 .cse8) .cse4 .cse10))))) [2022-07-21 05:02:59,028 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2022-07-21 05:02:59,028 INFO L895 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse3 .cse4))) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse8 (and .cse7 .cse9) .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) .cse5)) (or .cse8 .cse0 .cse5 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse6) (let ((.cse10 (<= ~waterLevel~0 2))) (or .cse0 .cse1 (and .cse7 .cse10 .cse4) .cse5 (and .cse2 .cse10 .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:59,028 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 354) no Hoare annotation was computed. [2022-07-21 05:02:59,028 INFO L895 garLoopResultBuilder]: At program point L1009(lines 1004 1011) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-07-21 05:02:59,028 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|)))))) [2022-07-21 05:02:59,028 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-07-21 05:02:59,029 INFO L895 garLoopResultBuilder]: At program point L332(lines 325 334) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:59,029 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-07-21 05:02:59,029 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2022-07-21 05:02:59,029 INFO L899 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2022-07-21 05:02:59,029 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:59,029 INFO L895 garLoopResultBuilder]: At program point L807-2(lines 803 814) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:59,030 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2) .cse4) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2) (or .cse0 .cse1 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-21 05:02:59,030 INFO L895 garLoopResultBuilder]: At program point L1043(lines 1038 1046) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:59,030 INFO L895 garLoopResultBuilder]: At program point L1035(lines 1031 1037) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:59,030 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 420) no Hoare annotation was computed. [2022-07-21 05:02:59,030 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:02:59,030 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2022-07-21 05:02:59,030 INFO L895 garLoopResultBuilder]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:59,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:02:59,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:02:59,031 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2022-07-21 05:02:59,031 INFO L899 garLoopResultBuilder]: For program point L379(lines 378 425) no Hoare annotation was computed. [2022-07-21 05:02:59,031 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 421) no Hoare annotation was computed. [2022-07-21 05:02:59,031 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:59,031 INFO L902 garLoopResultBuilder]: At program point L974(lines 966 976) the Hoare annotation is: true [2022-07-21 05:02:59,032 INFO L902 garLoopResultBuilder]: At program point L429(lines 368 433) the Hoare annotation is: true [2022-07-21 05:02:59,032 INFO L902 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2022-07-21 05:02:59,032 INFO L895 garLoopResultBuilder]: At program point L1028(lines 1024 1030) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:59,032 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 394) no Hoare annotation was computed. [2022-07-21 05:02:59,032 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2022-07-21 05:02:59,032 INFO L895 garLoopResultBuilder]: At program point L322(lines 317 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:59,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:02:59,033 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2022-07-21 05:02:59,033 INFO L895 garLoopResultBuilder]: At program point L310(lines 305 312) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:59,033 INFO L895 garLoopResultBuilder]: At program point L426(lines 377 427) the Hoare annotation is: false [2022-07-21 05:02:59,033 INFO L895 garLoopResultBuilder]: At program point L963(lines 959 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:59,033 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2022-07-21 05:02:59,033 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-07-21 05:02:59,033 INFO L895 garLoopResultBuilder]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:59,034 INFO L895 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:59,034 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-07-21 05:02:59,034 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-21 05:02:59,034 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-07-21 05:02:59,034 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2022-07-21 05:02:59,034 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2022-07-21 05:02:59,035 INFO L895 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))))) [2022-07-21 05:02:59,035 INFO L895 garLoopResultBuilder]: At program point L193-2(lines 186 202) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse2 (and (= ~pumpRunning~0 0) .cse0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:59,035 INFO L899 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2022-07-21 05:02:59,035 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-07-21 05:02:59,035 INFO L895 garLoopResultBuilder]: At program point L282(lines 267 285) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 2)))) (and (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse1 .cse2 (and .cse0 (<= 2 ~waterLevel~0)))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:59,035 INFO L895 garLoopResultBuilder]: At program point L889(lines 880 893) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (and .cse2 (<= 2 ~waterLevel~0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse2))))) [2022-07-21 05:02:59,036 INFO L895 garLoopResultBuilder]: At program point L183(lines 178 185) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-07-21 05:02:59,036 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 280) no Hoare annotation was computed. [2022-07-21 05:02:59,036 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:59,036 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 280) no Hoare annotation was computed. [2022-07-21 05:02:59,036 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-07-21 05:02:59,036 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-07-21 05:02:59,036 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 815 826) no Hoare annotation was computed. [2022-07-21 05:02:59,037 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 815 826) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 .cse3))) [2022-07-21 05:02:59,037 INFO L899 garLoopResultBuilder]: For program point L819-1(lines 815 826) no Hoare annotation was computed. [2022-07-21 05:02:59,037 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 211 221) the Hoare annotation is: true [2022-07-21 05:02:59,037 INFO L902 garLoopResultBuilder]: At program point L844(lines 839 847) the Hoare annotation is: true [2022-07-21 05:02:59,037 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 211 221) no Hoare annotation was computed. [2022-07-21 05:02:59,037 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 211 221) no Hoare annotation was computed. [2022-07-21 05:02:59,040 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:59,042 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:02:59,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:02:59 BoogieIcfgContainer [2022-07-21 05:02:59,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:02:59,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:02:59,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:02:59,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:02:59,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:50" (3/4) ... [2022-07-21 05:02:59,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:02:59,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:02:59,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:02:59,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-21 05:02:59,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 05:02:59,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-07-21 05:02:59,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:02:59,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:02:59,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:02:59,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:02:59,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:59,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:59,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-21 05:02:59,117 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:59,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 < tmp && \result <= 2) && tmp <= 2) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-07-21 05:02:59,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-21 05:02:59,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:59,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-21 05:02:59,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-21 05:02:59,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-07-21 05:02:59,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) [2022-07-21 05:02:59,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-21 05:02:59,124 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-21 05:02:59,124 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && tmp___0 == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) [2022-07-21 05:02:59,162 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:02:59,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:02:59,163 INFO L158 Benchmark]: Toolchain (without parser) took 10040.25ms. Allocated memory was 58.7MB in the beginning and 104.9MB in the end (delta: 46.1MB). Free memory was 35.8MB in the beginning and 35.5MB in the end (delta: 287.1kB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2022-07-21 05:02:59,163 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:02:59,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.41ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 33.3MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 05:02:59,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.34ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 30.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 05:02:59,164 INFO L158 Benchmark]: Boogie Preprocessor took 48.23ms. Allocated memory is still 58.7MB. Free memory was 30.7MB in the beginning and 29.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:02:59,165 INFO L158 Benchmark]: RCFGBuilder took 496.63ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 29.0MB in the beginning and 38.6MB in the end (delta: -9.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:59,165 INFO L158 Benchmark]: TraceAbstraction took 8827.35ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 38.3MB in the beginning and 41.8MB in the end (delta: -3.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:59,165 INFO L158 Benchmark]: Witness Printer took 90.18ms. Allocated memory is still 104.9MB. Free memory was 41.8MB in the beginning and 35.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 05:02:59,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.6MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.41ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 33.3MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.34ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 30.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.23ms. Allocated memory is still 58.7MB. Free memory was 30.7MB in the beginning and 29.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.63ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 29.0MB in the beginning and 38.6MB in the end (delta: -9.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8827.35ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 38.3MB in the beginning and 41.8MB in the end (delta: -3.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Witness Printer took 90.18ms. Allocated memory is still 104.9MB. Free memory was 41.8MB in the beginning and 35.5MB 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: 1008]: 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 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2210 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2164 mSDsluCounter, 4112 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2728 mSDsCounter, 802 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2532 IncrementalHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 802 mSolverCounterUnsat, 1384 mSDtfsCounter, 2532 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 376 SyntacticMatches, 3 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=500occurred in iteration=9, InterpolantAutomatonStates: 101, 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, 10 MinimizatonAttempts, 146 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 1198 PreInvPairs, 1404 NumberOfFragments, 2000 HoareAnnotationTreeSize, 1198 FomulaSimplifications, 704 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 8781 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 723 NumberOfCodeBlocks, 723 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 834 ConstructedInterpolants, 0 QuantifiedInterpolants, 1536 SizeOfPredicates, 3 NumberOfNonLiveVariables, 541 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 119/153 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: 1031]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && tmp___0 == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 1024]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 < tmp && \result <= 2) && tmp <= 2) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 2)) || !(1 <= switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:02:59,235 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