./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product49.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 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:39:57,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:39:57,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:39:57,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:39:57,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:39:57,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:39:57,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:39:57,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:39:57,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:39:57,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:39:57,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:39:57,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:39:57,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:39:57,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:39:57,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:39:57,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:39:57,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:39:57,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:39:57,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:39:57,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:39:57,721 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:39:57,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:39:57,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:39:57,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:39:57,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:39:57,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:39:57,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:39:57,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:39:57,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:39:57,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:39:57,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:39:57,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:39:57,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:39:57,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:39:57,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:39:57,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:39:57,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:39:57,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:39:57,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:39:57,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:39:57,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:39:57,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:39:57,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:39:57,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:39:57,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:39:57,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:39:57,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:39:57,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:39:57,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:39:57,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:39:57,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:39:57,788 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:39:57,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:39:57,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:39:57,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:39:57,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:39:57,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:39:57,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:39:57,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:39:57,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:39:57,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:39:57,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:39:57,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:39:57,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:39:57,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:39:57,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:39:57,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:39:57,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:57,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:39:57,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:39:57,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:39:57,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:39:57,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:39:57,793 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:39:57,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:39:57,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:39:57,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c [2022-07-22 17:39:58,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:39:58,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:39:58,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:39:58,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:39:58,083 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:39:58,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2022-07-22 17:39:58,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66db17101/df6b4e8514c748668dfd73108638d9cc/FLAGcdff9dade [2022-07-22 17:39:58,616 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:39:58,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2022-07-22 17:39:58,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66db17101/df6b4e8514c748668dfd73108638d9cc/FLAGcdff9dade [2022-07-22 17:39:58,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66db17101/df6b4e8514c748668dfd73108638d9cc [2022-07-22 17:39:58,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:39:58,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:39:58,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:58,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:39:58,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:39:58,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:58" (1/1) ... [2022-07-22 17:39:58,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9f7c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:58, skipping insertion in model container [2022-07-22 17:39:58,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:39:58" (1/1) ... [2022-07-22 17:39:59,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:39:59,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:39:59,231 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_product49.cil.c[6886,6899] [2022-07-22 17:39:59,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:59,300 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:39:59,348 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_product49.cil.c[6886,6899] [2022-07-22 17:39:59,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:39:59,432 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:39:59,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59 WrapperNode [2022-07-22 17:39:59,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:39:59,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:59,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:39:59,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:39:59,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,492 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 262 [2022-07-22 17:39:59,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:39:59,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:39:59,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:39:59,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:39:59,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:39:59,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:39:59,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:39:59,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:39:59,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (1/1) ... [2022-07-22 17:39:59,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:39:59,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:39:59,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:39:59,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:39:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:39:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:39:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:39:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:39:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:39:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:39:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:39:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:39:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:39:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:39:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-22 17:39:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-22 17:39:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:39:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:39:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:39:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:39:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:39:59,673 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:39:59,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:39:59,978 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:39:59,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:39:59,988 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:39:59,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:59 BoogieIcfgContainer [2022-07-22 17:39:59,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:39:59,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:39:59,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:39:59,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:39:59,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:39:58" (1/3) ... [2022-07-22 17:39:59,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576b47c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:59, skipping insertion in model container [2022-07-22 17:39:59,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:39:59" (2/3) ... [2022-07-22 17:39:59,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576b47c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:39:59, skipping insertion in model container [2022-07-22 17:39:59,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:59" (3/3) ... [2022-07-22 17:39:59,999 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2022-07-22 17:40:00,012 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:40:00,012 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:40:00,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:40:00,092 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@42a4b2ef, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@72bcf1b2 [2022-07-22 17:40:00,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:40:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 17:40:00,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:40:00,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,119 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] [2022-07-22 17:40:00,119 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1747145324, now seen corresponding path program 1 times [2022-07-22 17:40:00,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989494756] [2022-07-22 17:40:00,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:40:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:40:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989494756] [2022-07-22 17:40:00,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989494756] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:40:00,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324698608] [2022-07-22 17:40:00,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:40:00,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:40:00,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:40:00,441 INFO L87 Difference]: Start difference. First operand has 92 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2022-07-22 17:40:00,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,480 INFO L93 Difference]: Finished difference Result 175 states and 238 transitions. [2022-07-22 17:40:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:40:00,482 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 [2022-07-22 17:40:00,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,489 INFO L225 Difference]: With dead ends: 175 [2022-07-22 17:40:00,489 INFO L226 Difference]: Without dead ends: 83 [2022-07-22 17:40:00,492 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 [2022-07-22 17:40:00,495 INFO L413 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:00,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-07-22 17:40:00,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-07-22 17:40:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 17:40:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2022-07-22 17:40:00,533 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 32 [2022-07-22 17:40:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,533 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2022-07-22 17:40:00,534 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) [2022-07-22 17:40:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2022-07-22 17:40:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-22 17:40:00,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,536 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] [2022-07-22 17:40:00,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:40:00,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash -372618950, now seen corresponding path program 1 times [2022-07-22 17:40:00,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088594336] [2022-07-22 17:40:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 17:40:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088594336] [2022-07-22 17:40:00,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088594336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:40:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22877815] [2022-07-22 17:40:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:40:00,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:40:00,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:40:00,654 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-07-22 17:40:00,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,675 INFO L93 Difference]: Finished difference Result 158 states and 209 transitions. [2022-07-22 17:40:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:40:00,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2022-07-22 17:40:00,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,680 INFO L225 Difference]: With dead ends: 158 [2022-07-22 17:40:00,680 INFO L226 Difference]: Without dead ends: 83 [2022-07-22 17:40:00,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:40:00,681 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 84 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:40:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-07-22 17:40:00,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-07-22 17:40:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 64 states have (on average 1.296875) internal successors, (83), 71 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-22 17:40:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2022-07-22 17:40:00,692 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 37 [2022-07-22 17:40:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,693 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2022-07-22 17:40:00,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-07-22 17:40:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2022-07-22 17:40:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-22 17:40:00,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,697 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] [2022-07-22 17:40:00,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:40:00,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2098549486, now seen corresponding path program 1 times [2022-07-22 17:40:00,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325222393] [2022-07-22 17:40:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:40:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:40:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-22 17:40:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:00,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:00,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325222393] [2022-07-22 17:40:00,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325222393] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:00,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:00,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 17:40:00,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187822591] [2022-07-22 17:40:00,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:00,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 17:40:00,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:00,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 17:40:00,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:40:00,809 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:00,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:00,934 INFO L93 Difference]: Finished difference Result 146 states and 186 transitions. [2022-07-22 17:40:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 17:40:00,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2022-07-22 17:40:00,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:00,938 INFO L225 Difference]: With dead ends: 146 [2022-07-22 17:40:00,938 INFO L226 Difference]: Without dead ends: 89 [2022-07-22 17:40:00,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:40:00,941 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 63 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:00,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 202 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:00,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-22 17:40:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2022-07-22 17:40:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-22 17:40:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2022-07-22 17:40:00,956 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 43 [2022-07-22 17:40:00,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:00,957 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2022-07-22 17:40:00,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2022-07-22 17:40:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-22 17:40:00,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:00,959 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] [2022-07-22 17:40:00,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:40:00,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:00,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash 273957597, now seen corresponding path program 1 times [2022-07-22 17:40:00,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:00,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515219060] [2022-07-22 17:40:00,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:00,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:40:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515219060] [2022-07-22 17:40:01,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515219060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733473286] [2022-07-22 17:40:01,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:01,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:01,042 INFO L87 Difference]: Start difference. First operand 74 states and 94 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 17:40:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,175 INFO L93 Difference]: Finished difference Result 218 states and 279 transitions. [2022-07-22 17:40:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:01,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 47 [2022-07-22 17:40:01,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,177 INFO L225 Difference]: With dead ends: 218 [2022-07-22 17:40:01,177 INFO L226 Difference]: Without dead ends: 152 [2022-07-22 17:40:01,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:40:01,179 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 194 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 314 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-07-22 17:40:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2022-07-22 17:40:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 113 states have (on average 1.2743362831858407) internal successors, (144), 120 states have internal predecessors, (144), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-07-22 17:40:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 181 transitions. [2022-07-22 17:40:01,197 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 181 transitions. Word has length 47 [2022-07-22 17:40:01,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,198 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 181 transitions. [2022-07-22 17:40:01,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 17:40:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2022-07-22 17:40:01,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:40:01,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,203 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] [2022-07-22 17:40:01,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:40:01,203 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,204 INFO L85 PathProgramCache]: Analyzing trace with hash -419087457, now seen corresponding path program 1 times [2022-07-22 17:40:01,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397306450] [2022-07-22 17:40:01,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:40:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397306450] [2022-07-22 17:40:01,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397306450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:40:01,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772154865] [2022-07-22 17:40:01,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:40:01,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:40:01,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:40:01,328 INFO L87 Difference]: Start difference. First operand 146 states and 181 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,448 INFO L93 Difference]: Finished difference Result 292 states and 366 transitions. [2022-07-22 17:40:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:01,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-22 17:40:01,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,454 INFO L225 Difference]: With dead ends: 292 [2022-07-22 17:40:01,454 INFO L226 Difference]: Without dead ends: 154 [2022-07-22 17:40:01,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:40:01,459 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 64 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 388 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-07-22 17:40:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 149. [2022-07-22 17:40:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 116 states have (on average 1.2672413793103448) internal successors, (147), 123 states have internal predecessors, (147), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-07-22 17:40:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 184 transitions. [2022-07-22 17:40:01,484 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 184 transitions. Word has length 51 [2022-07-22 17:40:01,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,485 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 184 transitions. [2022-07-22 17:40:01,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2022-07-22 17:40:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:40:01,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,486 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] [2022-07-22 17:40:01,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:40:01,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2108031199, now seen corresponding path program 1 times [2022-07-22 17:40:01,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385139867] [2022-07-22 17:40:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:40:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385139867] [2022-07-22 17:40:01,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385139867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:01,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575664968] [2022-07-22 17:40:01,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:01,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:01,554 INFO L87 Difference]: Start difference. First operand 149 states and 184 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,660 INFO L93 Difference]: Finished difference Result 300 states and 377 transitions. [2022-07-22 17:40:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:40:01,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-22 17:40:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,663 INFO L225 Difference]: With dead ends: 300 [2022-07-22 17:40:01,663 INFO L226 Difference]: Without dead ends: 159 [2022-07-22 17:40:01,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:01,664 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 67 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 305 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-07-22 17:40:01,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2022-07-22 17:40:01,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-07-22 17:40:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-07-22 17:40:01,676 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 51 [2022-07-22 17:40:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,676 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-07-22 17:40:01,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-07-22 17:40:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:40:01,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,677 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] [2022-07-22 17:40:01,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:40:01,678 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1685329373, now seen corresponding path program 1 times [2022-07-22 17:40:01,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802983447] [2022-07-22 17:40:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 17:40:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:01,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:01,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802983447] [2022-07-22 17:40:01,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802983447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:01,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:01,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:40:01,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056359160] [2022-07-22 17:40:01,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:01,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:40:01,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:01,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:40:01,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:40:01,742 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:01,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:01,914 INFO L93 Difference]: Finished difference Result 431 states and 551 transitions. [2022-07-22 17:40:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:40:01,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-07-22 17:40:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:01,917 INFO L225 Difference]: With dead ends: 431 [2022-07-22 17:40:01,917 INFO L226 Difference]: Without dead ends: 288 [2022-07-22 17:40:01,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:01,918 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 210 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:01,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 318 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:01,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-07-22 17:40:01,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2022-07-22 17:40:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 215 states have (on average 1.2465116279069768) internal successors, (268), 226 states have internal predecessors, (268), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-07-22 17:40:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 351 transitions. [2022-07-22 17:40:01,938 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 351 transitions. Word has length 51 [2022-07-22 17:40:01,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:01,938 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 351 transitions. [2022-07-22 17:40:01,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:40:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 351 transitions. [2022-07-22 17:40:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-22 17:40:01,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:01,939 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] [2022-07-22 17:40:01,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:40:01,940 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:01,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:01,940 INFO L85 PathProgramCache]: Analyzing trace with hash 716766725, now seen corresponding path program 1 times [2022-07-22 17:40:01,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:01,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696527710] [2022-07-22 17:40:01,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:01,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:40:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:40:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:40:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 17:40:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 17:40:02,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696527710] [2022-07-22 17:40:02,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696527710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:40:02,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421539135] [2022-07-22 17:40:02,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:40:02,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:40:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:40:02,038 INFO L87 Difference]: Start difference. First operand 280 states and 351 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:02,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:02,282 INFO L93 Difference]: Finished difference Result 568 states and 723 transitions. [2022-07-22 17:40:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 17:40:02,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2022-07-22 17:40:02,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:02,287 INFO L225 Difference]: With dead ends: 568 [2022-07-22 17:40:02,287 INFO L226 Difference]: Without dead ends: 296 [2022-07-22 17:40:02,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:40:02,289 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 125 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:02,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 438 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:40:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-07-22 17:40:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2022-07-22 17:40:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 211 states have (on average 1.2132701421800949) internal successors, (256), 222 states have internal predecessors, (256), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-07-22 17:40:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 339 transitions. [2022-07-22 17:40:02,321 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 339 transitions. Word has length 53 [2022-07-22 17:40:02,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:02,321 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 339 transitions. [2022-07-22 17:40:02,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:40:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 339 transitions. [2022-07-22 17:40:02,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:40:02,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:02,323 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] [2022-07-22 17:40:02,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:40:02,323 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:02,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:02,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1754438647, now seen corresponding path program 1 times [2022-07-22 17:40:02,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:02,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567668096] [2022-07-22 17:40:02,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:02,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:40:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 17:40:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:40:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:40:02,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:02,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567668096] [2022-07-22 17:40:02,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567668096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:40:02,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:40:02,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:40:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414636182] [2022-07-22 17:40:02,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:40:02,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:40:02,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:02,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:40:02,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:40:02,491 INFO L87 Difference]: Start difference. First operand 276 states and 339 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:40:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:03,156 INFO L93 Difference]: Finished difference Result 818 states and 1041 transitions. [2022-07-22 17:40:03,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 17:40:03,157 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2022-07-22 17:40:03,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:03,163 INFO L225 Difference]: With dead ends: 818 [2022-07-22 17:40:03,163 INFO L226 Difference]: Without dead ends: 600 [2022-07-22 17:40:03,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2022-07-22 17:40:03,167 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 469 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:03,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 839 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:40:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-07-22 17:40:03,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 513. [2022-07-22 17:40:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 394 states have (on average 1.2081218274111676) internal successors, (476), 416 states have internal predecessors, (476), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2022-07-22 17:40:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 622 transitions. [2022-07-22 17:40:03,207 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 622 transitions. Word has length 55 [2022-07-22 17:40:03,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:03,207 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 622 transitions. [2022-07-22 17:40:03,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:40:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 622 transitions. [2022-07-22 17:40:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-22 17:40:03,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:03,209 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:03,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:40:03,209 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:03,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1281558822, now seen corresponding path program 1 times [2022-07-22 17:40:03,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:03,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837640918] [2022-07-22 17:40:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:03,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-22 17:40:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-22 17:40:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:40:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-22 17:40:03,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:03,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837640918] [2022-07-22 17:40:03,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837640918] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:03,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822399145] [2022-07-22 17:40:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:03,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:03,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:03,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:40:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:03,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:40:03,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:40:03,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:40:03,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822399145] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:03,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:03,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2022-07-22 17:40:03,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267069345] [2022-07-22 17:40:03,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:03,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 17:40:03,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:03,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 17:40:03,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-07-22 17:40:03,842 INFO L87 Difference]: Start difference. First operand 513 states and 622 transitions. Second operand has 14 states, 14 states have (on average 9.142857142857142) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2022-07-22 17:40:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:04,843 INFO L93 Difference]: Finished difference Result 1171 states and 1466 transitions. [2022-07-22 17:40:04,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-07-22 17:40:04,844 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.142857142857142) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) Word has length 96 [2022-07-22 17:40:04,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:04,848 INFO L225 Difference]: With dead ends: 1171 [2022-07-22 17:40:04,848 INFO L226 Difference]: Without dead ends: 714 [2022-07-22 17:40:04,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=471, Invalid=1881, Unknown=0, NotChecked=0, Total=2352 [2022-07-22 17:40:04,852 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 472 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:04,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1282 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 17:40:04,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-07-22 17:40:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 580. [2022-07-22 17:40:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 442 states have (on average 1.2036199095022624) internal successors, (532), 471 states have internal predecessors, (532), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2022-07-22 17:40:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 694 transitions. [2022-07-22 17:40:04,893 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 694 transitions. Word has length 96 [2022-07-22 17:40:04,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:04,894 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 694 transitions. [2022-07-22 17:40:04,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.142857142857142) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2022-07-22 17:40:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 694 transitions. [2022-07-22 17:40:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-22 17:40:04,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:40:04,897 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 17:40:04,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:05,126 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 [2022-07-22 17:40:05,126 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:40:05,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:40:05,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1223995222, now seen corresponding path program 1 times [2022-07-22 17:40:05,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:40:05,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193431080] [2022-07-22 17:40:05,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:05,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:40:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:40:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:40:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 17:40:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 17:40:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 17:40:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:40:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-22 17:40:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:40:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 17:40:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-22 17:40:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-22 17:40:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-22 17:40:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-22 17:40:05,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:40:05,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193431080] [2022-07-22 17:40:05,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193431080] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:40:05,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537001236] [2022-07-22 17:40:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:40:05,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:40:05,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:40:05,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 17:40:05,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:40:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:40:05,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 17:40:05,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:40:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 17:40:05,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:40:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 78 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-22 17:40:06,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537001236] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:40:06,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:40:06,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-07-22 17:40:06,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597577251] [2022-07-22 17:40:06,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:40:06,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-22 17:40:06,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:40:06,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-22 17:40:06,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-07-22 17:40:06,021 INFO L87 Difference]: Start difference. First operand 580 states and 694 transitions. Second operand has 25 states, 25 states have (on average 8.6) internal successors, (215), 22 states have internal predecessors, (215), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2022-07-22 17:40:07,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:40:07,018 INFO L93 Difference]: Finished difference Result 1229 states and 1520 transitions. [2022-07-22 17:40:07,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 17:40:07,018 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.6) internal successors, (215), 22 states have internal predecessors, (215), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) Word has length 172 [2022-07-22 17:40:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:40:07,019 INFO L225 Difference]: With dead ends: 1229 [2022-07-22 17:40:07,019 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:40:07,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2022-07-22 17:40:07,023 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 821 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 17:40:07,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 908 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 17:40:07,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:40:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:40:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 17:40:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:40:07,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2022-07-22 17:40:07,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:40:07,025 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:40:07,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.6) internal successors, (215), 22 states have internal predecessors, (215), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2022-07-22 17:40:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:40:07,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:40:07,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:40:07,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 17:40:07,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 17:40:07,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:40:12,593 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2022-07-22 17:40:12,593 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2022-07-22 17:40:12,593 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 357 368) the Hoare annotation is: true [2022-07-22 17:40:12,593 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 357 368) no Hoare annotation was computed. [2022-07-22 17:40:12,593 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 357 368) no Hoare annotation was computed. [2022-07-22 17:40:12,593 INFO L899 garLoopResultBuilder]: For program point L450-1(line 450) no Hoare annotation was computed. [2022-07-22 17:40:12,593 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 444 473) no Hoare annotation was computed. [2022-07-22 17:40:12,594 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 444 473) the Hoare annotation is: true [2022-07-22 17:40:12,594 INFO L902 garLoopResultBuilder]: At program point L469(lines 444 473) the Hoare annotation is: true [2022-07-22 17:40:12,594 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-07-22 17:40:12,594 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2022-07-22 17:40:12,594 INFO L902 garLoopResultBuilder]: At program point L458-1(lines 458 462) the Hoare annotation is: true [2022-07-22 17:40:12,594 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-07-22 17:40:12,594 INFO L902 garLoopResultBuilder]: At program point L454-2(lines 454 468) the Hoare annotation is: true [2022-07-22 17:40:12,594 INFO L902 garLoopResultBuilder]: At program point L450(line 450) the Hoare annotation is: true [2022-07-22 17:40:12,594 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2022-07-22 17:40:12,594 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2022-07-22 17:40:12,596 INFO L895 garLoopResultBuilder]: At program point L337-2(lines 333 344) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-07-22 17:40:12,596 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2022-07-22 17:40:12,596 INFO L895 garLoopResultBuilder]: At program point L164(lines 159 166) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse9 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (and .cse8 .cse1 .cse2 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse9)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 (= ~waterLevel~0 1) .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse6 .cse0 .cse4 .cse5 .cse7) (or .cse8 .cse0 .cse5)))) [2022-07-22 17:40:12,596 INFO L895 garLoopResultBuilder]: At program point L961(lines 954 963) 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 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-22 17:40:12,596 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2022-07-22 17:40:12,596 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2022-07-22 17:40:12,597 INFO L895 garLoopResultBuilder]: At program point L974(line 974) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse11 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse17 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and .cse16 .cse6 .cse7 .cse11 .cse17 .cse15 .cse18 .cse13 .cse19)) (.cse8 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse14 .cse16 .cse17 .cse15 .cse18 .cse13 .cse19)) (.cse1 (not .cse15)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse5 .cse6 .cse1 (and .cse7 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2) .cse8 .cse9)) (or .cse6 .cse1 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse12 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|)))) (or .cse5 .cse0 .cse1 .cse2 (and .cse7 .cse11 .cse8 .cse12 .cse9 .cse13) (and .cse14 .cse8 .cse12 .cse9 .cse13) .cse3 .cse4)) (or .cse1 .cse2 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse10)))) [2022-07-22 17:40:12,597 INFO L895 garLoopResultBuilder]: At program point L429(lines 424 432) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-07-22 17:40:12,597 INFO L899 garLoopResultBuilder]: For program point L974-1(line 974) no Hoare annotation was computed. [2022-07-22 17:40:12,597 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-07-22 17:40:12,597 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-07-22 17:40:12,597 INFO L895 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-07-22 17:40:12,598 INFO L895 garLoopResultBuilder]: At program point L145-1(lines 126 150) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse15 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse11 .cse1 .cse2 .cse15 .cse14 .cse16 .cse4)) (.cse0 (not .cse14)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (and .cse13 .cse6 .cse15 .cse14 .cse16 .cse4)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4) .cse7)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 .cse5 .cse9 .cse10) (or .cse11 (and .cse1 .cse12) .cse0 .cse7 (and .cse13 (= 2 ~waterLevel~0) .cse12)) (or (and .cse6 .cse12 .cse4) .cse8 .cse0 .cse5 (and .cse11 .cse1 .cse2 .cse14 .cse12 .cse4) .cse9 .cse7 .cse10)))) [2022-07-22 17:40:12,598 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 79 85) no Hoare annotation was computed. [2022-07-22 17:40:12,598 INFO L895 garLoopResultBuilder]: At program point L257(lines 242 260) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse2 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse7)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4)))) [2022-07-22 17:40:12,598 INFO L895 garLoopResultBuilder]: At program point L959(line 959) 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 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-07-22 17:40:12,598 INFO L899 garLoopResultBuilder]: For program point L959-1(line 959) no Hoare annotation was computed. [2022-07-22 17:40:12,598 INFO L895 garLoopResultBuilder]: At program point L439(lines 434 441) 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 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-07-22 17:40:12,599 INFO L895 garLoopResultBuilder]: At program point L406(lines 401 409) the Hoare annotation is: (let ((.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse19 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse19 .cse7 .cse0 .cse16 .cse14 .cse20 .cse4)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (and .cse0 .cse12 .cse1 .cse2 .cse16 .cse14 .cse20 .cse4)) (.cse5 (not .cse14)) (.cse13 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse3 .cse4) .cse8)) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse9 .cse10 .cse11) (or (and .cse12 .cse1 .cse2 .cse13 .cse14 .cse15 .cse4) .cse5 .cse6 .cse9 (and .cse7 .cse13 .cse15 .cse4) .cse8 .cse10 .cse11) (let ((.cse17 (= 2 ~waterLevel~0)) (.cse18 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse12 .cse5 (and .cse1 .cse13 .cse16 .cse15) (and .cse1 .cse17 .cse18 .cse15) .cse8 (and .cse19 .cse17 .cse18 .cse15)))))) [2022-07-22 17:40:12,599 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 986) no Hoare annotation was computed. [2022-07-22 17:40:12,599 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 65 91) 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 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-07-22 17:40:12,599 INFO L899 garLoopResultBuilder]: For program point L972(lines 972 989) no Hoare annotation was computed. [2022-07-22 17:40:12,599 INFO L895 garLoopResultBuilder]: At program point L972-1(lines 964 992) the Hoare annotation is: (let ((.cse19 (<= 1 ~pumpRunning~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse22 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse23 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0))) (let ((.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (and .cse3 .cse4 .cse9 .cse10 .cse22 .cse5 .cse23 .cse7 .cse8)) (.cse0 (not .cse5)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse17 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1|))) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (and .cse19 .cse2 .cse3 .cse4 .cse22 .cse5 .cse23 .cse7 .cse8)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse6 (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse3 .cse4 .cse9 .cse10 .cse5 .cse6 .cse7 .cse8) .cse11)) (or .cse12 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse13 .cse14) (or .cse15 .cse4 .cse0 (and .cse9 .cse16 .cse17 .cse18)) (let ((.cse20 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse21 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2))) (or .cse4 (and .cse19 .cse20 .cse18 .cse21) .cse0 (and .cse9 .cse20 .cse18 .cse21) .cse11 (not (<= 2 |old(~waterLevel~0)|)))) (or .cse15 .cse12 .cse0 .cse1 (and .cse4 .cse9 .cse10 .cse16 .cse5 .cse17 .cse18 .cse7) (and .cse2 .cse4 .cse16 .cse5 .cse17 .cse18 .cse7) .cse13 .cse14)))) [2022-07-22 17:40:12,599 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 78) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 68 90) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 142) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 147) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-07-22 17:40:12,600 INFO L902 garLoopResultBuilder]: At program point L539(lines 520 542) the Hoare annotation is: true [2022-07-22 17:40:12,600 INFO L895 garLoopResultBuilder]: At program point L502(lines 498 504) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:12,600 INFO L895 garLoopResultBuilder]: At program point L321(lines 274 322) the Hoare annotation is: false [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:40:12,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:40:12,601 INFO L899 garLoopResultBuilder]: For program point L276(lines 275 320) no Hoare annotation was computed. [2022-07-22 17:40:12,601 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 316) no Hoare annotation was computed. [2022-07-22 17:40:12,601 INFO L895 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-22 17:40:12,601 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:40:12,601 INFO L895 garLoopResultBuilder]: At program point L574(lines 569 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:12,601 INFO L895 garLoopResultBuilder]: At program point L318(lines 275 320) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-07-22 17:40:12,601 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2022-07-22 17:40:12,605 INFO L899 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2022-07-22 17:40:12,606 INFO L895 garLoopResultBuilder]: At program point L566(lines 562 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:12,606 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 281) no Hoare annotation was computed. [2022-07-22 17:40:12,606 INFO L895 garLoopResultBuilder]: At program point L951(lines 946 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:12,606 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2022-07-22 17:40:12,606 INFO L895 garLoopResultBuilder]: At program point L311-2(lines 305 316) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-22 17:40:12,606 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 537) no Hoare annotation was computed. [2022-07-22 17:40:12,606 INFO L899 garLoopResultBuilder]: For program point L530-2(lines 530 537) no Hoare annotation was computed. [2022-07-22 17:40:12,606 INFO L895 garLoopResultBuilder]: At program point L559(lines 555 561) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:40:12,606 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2022-07-22 17:40:12,607 INFO L899 garLoopResultBuilder]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2022-07-22 17:40:12,607 INFO L902 garLoopResultBuilder]: At program point L324(lines 265 328) the Hoare annotation is: true [2022-07-22 17:40:12,607 INFO L902 garLoopResultBuilder]: At program point L514(lines 506 516) the Hoare annotation is: true [2022-07-22 17:40:12,607 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-07-22 17:40:12,607 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:12,607 INFO L895 garLoopResultBuilder]: At program point L238(lines 223 241) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:12,607 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2022-07-22 17:40:12,607 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 121) no Hoare annotation was computed. [2022-07-22 17:40:12,608 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 236) no Hoare annotation was computed. [2022-07-22 17:40:12,608 INFO L899 garLoopResultBuilder]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2022-07-22 17:40:12,608 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2022-07-22 17:40:12,608 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 158) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:12,608 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2022-07-22 17:40:12,608 INFO L895 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:40:12,608 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2022-07-22 17:40:12,609 INFO L895 garLoopResultBuilder]: At program point L419(lines 410 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-22 17:40:12,609 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 345 356) no Hoare annotation was computed. [2022-07-22 17:40:12,609 INFO L899 garLoopResultBuilder]: For program point L349-1(lines 345 356) no Hoare annotation was computed. [2022-07-22 17:40:12,609 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 345 356) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2022-07-22 17:40:12,609 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2022-07-22 17:40:12,609 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2022-07-22 17:40:12,609 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2022-07-22 17:40:12,612 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:40:12,614 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:40:12,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:40:12 BoogieIcfgContainer [2022-07-22 17:40:12,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:40:12,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:40:12,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:40:12,686 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:40:12,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:39:59" (3/4) ... [2022-07-22 17:40:12,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:40:12,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:40:12,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:40:12,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:40:12,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:40:12,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:40:12,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:40:12,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-22 17:40:12,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-22 17:40:12,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:40:12,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:40:12,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:40:12,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:40:12,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:40:12,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:40:12,739 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))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:40:12,739 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:12,740 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && !(2 <= tmp)) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((!(\old(waterLevel) <= 1) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && !(2 <= tmp)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && \result < 2) && 1 == systemActive) && !(2 <= tmp)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:40:12,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-22 17:40:12,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:12,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result <= waterLevel && pumpRunning == 0) && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) [2022-07-22 17:40:12,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:12,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:12,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:12,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:12,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:40:12,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-22 17:40:12,774 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:40:12,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:40:12,775 INFO L158 Benchmark]: Toolchain (without parser) took 13789.94ms. Allocated memory was 86.0MB in the beginning and 159.4MB in the end (delta: 73.4MB). Free memory was 47.0MB in the beginning and 122.8MB in the end (delta: -75.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:40:12,775 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:40:12,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.59ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 46.8MB in the beginning and 73.8MB in the end (delta: -27.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:40:12,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.87ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:40:12,776 INFO L158 Benchmark]: Boogie Preprocessor took 39.66ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:40:12,776 INFO L158 Benchmark]: RCFGBuilder took 457.07ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 52.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 17:40:12,777 INFO L158 Benchmark]: TraceAbstraction took 12693.22ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 52.2MB in the beginning and 128.0MB in the end (delta: -75.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-07-22 17:40:12,777 INFO L158 Benchmark]: Witness Printer took 88.71ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 122.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:40:12,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 64.6MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.59ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 46.8MB in the beginning and 73.8MB in the end (delta: -27.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.87ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.66ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.07ms. Allocated memory is still 109.1MB. Free memory was 69.6MB in the beginning and 52.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12693.22ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 52.2MB in the beginning and 128.0MB in the end (delta: -75.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. * Witness Printer took 88.71ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 122.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2612 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2569 mSDsluCounter, 5215 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3832 mSDsCounter, 825 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3240 IncrementalHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 825 mSolverCounterUnsat, 1383 mSDtfsCounter, 3240 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 828 GetRequests, 660 SyntacticMatches, 6 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1225 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=10, InterpolantAutomatonStates: 143, 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, 11 MinimizatonAttempts, 283 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1395 PreInvPairs, 1661 NumberOfFragments, 2742 HoareAnnotationTreeSize, 1395 FomulaSimplifications, 5644 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 24530 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 956 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1209 ConstructedInterpolants, 0 QuantifiedInterpolants, 2424 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1145 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 616/696 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: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: (((((((((((\result <= waterLevel && pumpRunning == 0) && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && !(2 <= tmp)) && \old(waterLevel) == waterLevel))) && (((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((!(\old(waterLevel) <= 1) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && !(2 <= tmp)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && \result < 2) && 1 == systemActive) && !(2 <= tmp)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: 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))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) RESULT: Ultimate proved your program to be correct! [2022-07-22 17:40:12,848 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