./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_product38.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0864dde8f48fe05a4eca6577f28c648eed4bb154 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:45:26,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:26,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:26,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:26,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:26,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:26,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:26,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:26,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:26,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:26,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:26,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:26,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:26,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:26,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:26,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:26,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:26,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:26,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:26,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:26,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:26,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:26,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:26,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:26,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:26,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:26,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:26,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:26,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:26,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:26,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:26,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:26,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:26,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:26,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:26,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:26,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:26,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:26,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:26,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:26,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:26,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:26,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:26,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:26,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:26,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:26,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:26,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:26,563 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:26,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:26,563 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:26,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:26,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:26,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:26,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:26,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:26,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:26,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:26,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:26,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:26,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:26,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:26,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:26,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:26,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:26,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0864dde8f48fe05a4eca6577f28c648eed4bb154 [2021-08-26 08:45:26,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:26,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:26,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:26,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:26,845 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:26,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-08-26 08:45:26,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474f24760/6ba328290550403abafbe2bbb1e093c2/FLAGc36f951a3 [2021-08-26 08:45:27,350 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:27,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-08-26 08:45:27,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474f24760/6ba328290550403abafbe2bbb1e093c2/FLAGc36f951a3 [2021-08-26 08:45:27,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474f24760/6ba328290550403abafbe2bbb1e093c2 [2021-08-26 08:45:27,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:27,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:27,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:27,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:27,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:27,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af73b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27, skipping insertion in model container [2021-08-26 08:45:27,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:27,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:27,576 WARN L228 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_product38.cil.c[1281,1294] [2021-08-26 08:45:27,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:27,713 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:27,727 WARN L228 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_product38.cil.c[1281,1294] [2021-08-26 08:45:27,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:27,798 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:27,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27 WrapperNode [2021-08-26 08:45:27,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:27,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:27,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:27,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:27,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:27,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:27,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:27,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:27,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:27,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:27,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:27,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:27,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:27,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:27,950 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) [2021-08-26 08:45:27,978 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 [2021-08-26 08:45:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:28,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:28,774 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-08-26 08:45:28,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:28 BoogieIcfgContainer [2021-08-26 08:45:28,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:28,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:28,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:28,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:28,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:27" (1/3) ... [2021-08-26 08:45:28,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df5973a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:28, skipping insertion in model container [2021-08-26 08:45:28,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (2/3) ... [2021-08-26 08:45:28,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df5973a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:28, skipping insertion in model container [2021-08-26 08:45:28,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:28" (3/3) ... [2021-08-26 08:45:28,782 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2021-08-26 08:45:28,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:28,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:28,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:28,828 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:45:28,828 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 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) [2021-08-26 08:45:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:28,844 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,844 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,845 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2021-08-26 08:45:28,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082914558] [2021-08-26 08:45:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082914558] [2021-08-26 08:45:29,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082914558] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:29,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463094320] [2021-08-26 08:45:29,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:29,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:29,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:29,088 INFO L87 Difference]: Start difference. First operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 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) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-08-26 08:45:29,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,122 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2021-08-26 08:45:29,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:29,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) Word has length 19 [2021-08-26 08:45:29,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,132 INFO L225 Difference]: With dead ends: 233 [2021-08-26 08:45:29,132 INFO L226 Difference]: Without dead ends: 116 [2021-08-26 08:45:29,135 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:29,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-08-26 08:45:29,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-08-26 08:45:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 115 states have internal predecessors, (168), 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) [2021-08-26 08:45:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2021-08-26 08:45:29,178 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2021-08-26 08:45:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,178 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2021-08-26 08:45:29,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-08-26 08:45:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2021-08-26 08:45:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:29,181 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,181 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:29,181 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2021-08-26 08:45:29,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069991316] [2021-08-26 08:45:29,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069991316] [2021-08-26 08:45:29,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069991316] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:29,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722905374] [2021-08-26 08:45:29,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:29,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:29,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:29,301 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-26 08:45:29,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,312 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2021-08-26 08:45:29,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:29,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2021-08-26 08:45:29,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,316 INFO L225 Difference]: With dead ends: 116 [2021-08-26 08:45:29,316 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:45:29,317 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:29,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:45:29,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:45:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2021-08-26 08:45:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-08-26 08:45:29,324 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2021-08-26 08:45:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,324 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-08-26 08:45:29,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-26 08:45:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-08-26 08:45:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:29,325 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,326 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:29,326 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,332 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2021-08-26 08:45:29,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181147452] [2021-08-26 08:45:29,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181147452] [2021-08-26 08:45:29,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181147452] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:29,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362660355] [2021-08-26 08:45:29,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:29,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:29,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:29,435 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-08-26 08:45:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,494 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-08-26 08:45:29,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:45:29,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) Word has length 26 [2021-08-26 08:45:29,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,500 INFO L225 Difference]: With dead ends: 91 [2021-08-26 08:45:29,500 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:45:29,500 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:29,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:45:29,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:45:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 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) [2021-08-26 08:45:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2021-08-26 08:45:29,508 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2021-08-26 08:45:29,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,508 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2021-08-26 08:45:29,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-08-26 08:45:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-08-26 08:45:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:45:29,509 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,509 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:29,510 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2021-08-26 08:45:29,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731051146] [2021-08-26 08:45:29,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731051146] [2021-08-26 08:45:29,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731051146] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:29,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409528514] [2021-08-26 08:45:29,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:29,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:29,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:29,571 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-08-26 08:45:29,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,618 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2021-08-26 08:45:29,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:29,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) Word has length 28 [2021-08-26 08:45:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,619 INFO L225 Difference]: With dead ends: 115 [2021-08-26 08:45:29,619 INFO L226 Difference]: Without dead ends: 73 [2021-08-26 08:45:29,619 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:29,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-26 08:45:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2021-08-26 08:45:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-08-26 08:45:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-08-26 08:45:29,623 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2021-08-26 08:45:29,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,623 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-08-26 08:45:29,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-08-26 08:45:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-08-26 08:45:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:29,624 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,624 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:29,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2021-08-26 08:45:29,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178838468] [2021-08-26 08:45:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178838468] [2021-08-26 08:45:29,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178838468] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:29,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049824100] [2021-08-26 08:45:29,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:29,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:29,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:29,690 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-08-26 08:45:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,747 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2021-08-26 08:45:29,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:29,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) Word has length 34 [2021-08-26 08:45:29,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,748 INFO L225 Difference]: With dead ends: 190 [2021-08-26 08:45:29,748 INFO L226 Difference]: Without dead ends: 126 [2021-08-26 08:45:29,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:29,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-08-26 08:45:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2021-08-26 08:45:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 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) [2021-08-26 08:45:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2021-08-26 08:45:29,771 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2021-08-26 08:45:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,772 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2021-08-26 08:45:29,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-08-26 08:45:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-08-26 08:45:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:29,777 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,777 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:45:29,777 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2021-08-26 08:45:29,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064237656] [2021-08-26 08:45:29,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064237656] [2021-08-26 08:45:29,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064237656] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:29,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138915539] [2021-08-26 08:45:29,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:29,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:29,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:29,849 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-26 08:45:29,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,965 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2021-08-26 08:45:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:45:29,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) Word has length 34 [2021-08-26 08:45:29,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,967 INFO L225 Difference]: With dead ends: 260 [2021-08-26 08:45:29,967 INFO L226 Difference]: Without dead ends: 190 [2021-08-26 08:45:29,967 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:45:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-08-26 08:45:29,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2021-08-26 08:45:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 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) [2021-08-26 08:45:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2021-08-26 08:45:29,981 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2021-08-26 08:45:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,982 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2021-08-26 08:45:29,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-26 08:45:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-08-26 08:45:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:29,983 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,983 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:45:29,983 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2021-08-26 08:45:29,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078774810] [2021-08-26 08:45:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:30,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:30,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078774810] [2021-08-26 08:45:30,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078774810] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:30,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:30,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:30,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463261824] [2021-08-26 08:45:30,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:45:30,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:30,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:45:30,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:45:30,054 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-08-26 08:45:30,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:30,137 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2021-08-26 08:45:30,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:30,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) Word has length 34 [2021-08-26 08:45:30,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:30,138 INFO L225 Difference]: With dead ends: 199 [2021-08-26 08:45:30,138 INFO L226 Difference]: Without dead ends: 130 [2021-08-26 08:45:30,139 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 55.3ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:45:30,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-08-26 08:45:30,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 80. [2021-08-26 08:45:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 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) [2021-08-26 08:45:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2021-08-26 08:45:30,148 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2021-08-26 08:45:30,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:30,148 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2021-08-26 08:45:30,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-08-26 08:45:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2021-08-26 08:45:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:30,151 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:30,152 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:30,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:45:30,152 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:30,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:30,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2021-08-26 08:45:30,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:30,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535370303] [2021-08-26 08:45:30,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:30,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:30,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:30,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535370303] [2021-08-26 08:45:30,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535370303] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:30,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:30,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:30,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965958652] [2021-08-26 08:45:30,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:30,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:30,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:30,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:30,206 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-08-26 08:45:30,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:30,230 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2021-08-26 08:45:30,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:30,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) Word has length 34 [2021-08-26 08:45:30,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:30,231 INFO L225 Difference]: With dead ends: 181 [2021-08-26 08:45:30,231 INFO L226 Difference]: Without dead ends: 108 [2021-08-26 08:45:30,231 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-08-26 08:45:30,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-08-26 08:45:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 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) [2021-08-26 08:45:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2021-08-26 08:45:30,238 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2021-08-26 08:45:30,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:30,239 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2021-08-26 08:45:30,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-08-26 08:45:30,239 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2021-08-26 08:45:30,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:45:30,240 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:30,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:30,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:45:30,240 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:30,241 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2021-08-26 08:45:30,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:30,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31958551] [2021-08-26 08:45:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:30,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:30,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:30,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31958551] [2021-08-26 08:45:30,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31958551] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:30,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:30,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:30,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426087998] [2021-08-26 08:45:30,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:45:30,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:30,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:45:30,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:30,350 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-08-26 08:45:30,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:30,605 INFO L93 Difference]: Finished difference Result 512 states and 685 transitions. [2021-08-26 08:45:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:45:30,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) Word has length 35 [2021-08-26 08:45:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:30,608 INFO L225 Difference]: With dead ends: 512 [2021-08-26 08:45:30,608 INFO L226 Difference]: Without dead ends: 439 [2021-08-26 08:45:30,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 110.6ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:45:30,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-08-26 08:45:30,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 186. [2021-08-26 08:45:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.3027027027027027) internal successors, (241), 185 states have internal predecessors, (241), 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) [2021-08-26 08:45:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2021-08-26 08:45:30,624 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 35 [2021-08-26 08:45:30,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:30,625 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2021-08-26 08:45:30,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-08-26 08:45:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2021-08-26 08:45:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:45:30,625 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:30,626 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 08:45:30,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:45:30,626 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:30,626 INFO L82 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2021-08-26 08:45:30,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:30,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453437635] [2021-08-26 08:45:30,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:30,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:30,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:30,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453437635] [2021-08-26 08:45:30,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453437635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:30,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059502655] [2021-08-26 08:45:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:30,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:45:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:30,681 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) [2021-08-26 08:45:30,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:45:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:30,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:45:30,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:45:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:31,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059502655] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:31,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:45:31,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 08:45:31,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482957024] [2021-08-26 08:45:31,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:45:31,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:31,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:45:31,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:31,027 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2021-08-26 08:45:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:31,253 INFO L93 Difference]: Finished difference Result 426 states and 570 transitions. [2021-08-26 08:45:31,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:31,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) Word has length 56 [2021-08-26 08:45:31,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:31,254 INFO L225 Difference]: With dead ends: 426 [2021-08-26 08:45:31,254 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:31,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.4ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:45:31,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:31,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:31,255 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) [2021-08-26 08:45:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:31,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:45:31,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:31,256 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:31,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2021-08-26 08:45:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:31,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:31,257 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:31,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:31,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:31,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:45:31,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-26 08:45:31,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:31,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:33,373 INFO L853 garLoopResultBuilder]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:33,373 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:45:33,373 INFO L853 garLoopResultBuilder]: At program point L796(lines 791 799) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L796-1(lines 791 799) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L796-2(lines 791 799) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L796-3(lines 791 799) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L796-4(lines 791 799) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L796-5(lines 791 799) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L666(lines 657 670) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L666-1(lines 657 670) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L666-2(lines 657 670) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L666-3(lines 657 670) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L666-4(lines 657 670) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L666-5(lines 657 670) the Hoare annotation is: false [2021-08-26 08:45:33,374 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:45:33,374 INFO L853 garLoopResultBuilder]: At program point L175(lines 685 691) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:45:33,375 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 685 691) the Hoare annotation is: false [2021-08-26 08:45:33,375 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 685 691) the Hoare annotation is: false [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 150) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L860 garLoopResultBuilder]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 952) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L853 garLoopResultBuilder]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L910(lines 909 956) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845-2(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845-3(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845-5(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845-6(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845-8(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,375 INFO L857 garLoopResultBuilder]: For program point L845-9(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L845-11(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L845-12(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L845-14(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L845-15(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L845-17(lines 845 849) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L860 garLoopResultBuilder]: At program point L152(lines 133 155) the Hoare annotation is: true [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 203) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2) (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L853 garLoopResultBuilder]: At program point L186-3(lines 1 964) the Hoare annotation is: false [2021-08-26 08:45:33,376 INFO L857 garLoopResultBuilder]: For program point L186-4(lines 186 203) no Hoare annotation was computed. [2021-08-26 08:45:33,376 INFO L853 garLoopResultBuilder]: At program point L186-5(lines 1 964) the Hoare annotation is: false [2021-08-26 08:45:33,378 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-08-26 08:45:33,378 INFO L853 garLoopResultBuilder]: At program point L947-2(lines 947 951) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-08-26 08:45:33,378 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-08-26 08:45:33,378 INFO L857 garLoopResultBuilder]: For program point L584-3(lines 584 588) no Hoare annotation was computed. [2021-08-26 08:45:33,378 INFO L857 garLoopResultBuilder]: For program point L584-6(lines 584 588) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 734) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L857 garLoopResultBuilder]: For program point L717-1(lines 717 734) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L857 garLoopResultBuilder]: For program point L717-2(lines 717 734) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L857 garLoopResultBuilder]: For program point L717-3(lines 717 734) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L857 garLoopResultBuilder]: For program point L717-4(lines 717 734) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L857 garLoopResultBuilder]: For program point L717-5(lines 717 734) no Hoare annotation was computed. [2021-08-26 08:45:33,379 INFO L853 garLoopResultBuilder]: At program point L685(lines 681 703) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 (= ~pumpRunning~0 1)))) [2021-08-26 08:45:33,380 INFO L853 garLoopResultBuilder]: At program point L685-1(lines 681 703) the Hoare annotation is: false [2021-08-26 08:45:33,380 INFO L853 garLoopResultBuilder]: At program point L685-2(lines 681 703) the Hoare annotation is: false [2021-08-26 08:45:33,380 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:33,380 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 200) no Hoare annotation was computed. [2021-08-26 08:45:33,380 INFO L857 garLoopResultBuilder]: For program point L190-2(lines 190 200) no Hoare annotation was computed. [2021-08-26 08:45:33,380 INFO L857 garLoopResultBuilder]: For program point L190-4(lines 190 200) no Hoare annotation was computed. [2021-08-26 08:45:33,381 INFO L853 garLoopResultBuilder]: At program point L851(lines 836 854) the Hoare annotation is: false [2021-08-26 08:45:33,381 INFO L853 garLoopResultBuilder]: At program point L851-1(lines 836 854) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) .cse5))) [2021-08-26 08:45:33,381 INFO L853 garLoopResultBuilder]: At program point L851-2(lines 836 854) the Hoare annotation is: false [2021-08-26 08:45:33,381 INFO L853 garLoopResultBuilder]: At program point L851-3(lines 836 854) the Hoare annotation is: false [2021-08-26 08:45:33,381 INFO L853 garLoopResultBuilder]: At program point L851-4(lines 836 854) the Hoare annotation is: false [2021-08-26 08:45:33,381 INFO L853 garLoopResultBuilder]: At program point L851-5(lines 836 854) the Hoare annotation is: false [2021-08-26 08:45:33,382 INFO L853 garLoopResultBuilder]: At program point L653(lines 648 656) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5))) [2021-08-26 08:45:33,382 INFO L853 garLoopResultBuilder]: At program point L653-1(lines 648 656) the Hoare annotation is: false [2021-08-26 08:45:33,382 INFO L853 garLoopResultBuilder]: At program point L653-2(lines 648 656) the Hoare annotation is: false [2021-08-26 08:45:33,382 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-08-26 08:45:33,382 INFO L857 garLoopResultBuilder]: For program point L191-2(lines 191 197) no Hoare annotation was computed. [2021-08-26 08:45:33,383 INFO L857 garLoopResultBuilder]: For program point L191-4(lines 191 197) no Hoare annotation was computed. [2021-08-26 08:45:33,383 INFO L853 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-08-26 08:45:33,383 INFO L853 garLoopResultBuilder]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2021-08-26 08:45:33,383 INFO L853 garLoopResultBuilder]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2021-08-26 08:45:33,383 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 925) no Hoare annotation was computed. [2021-08-26 08:45:33,384 INFO L853 garLoopResultBuilder]: At program point L886(lines 1 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:33,384 INFO L853 garLoopResultBuilder]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-08-26 08:45:33,384 INFO L853 garLoopResultBuilder]: At program point L787(lines 780 790) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-08-26 08:45:33,384 INFO L853 garLoopResultBuilder]: At program point L787-1(lines 780 790) the Hoare annotation is: false [2021-08-26 08:45:33,384 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 729) no Hoare annotation was computed. [2021-08-26 08:45:33,385 INFO L853 garLoopResultBuilder]: At program point L787-2(lines 780 790) the Hoare annotation is: false [2021-08-26 08:45:33,385 INFO L857 garLoopResultBuilder]: For program point L721-1(lines 721 729) no Hoare annotation was computed. [2021-08-26 08:45:33,385 INFO L857 garLoopResultBuilder]: For program point L721-2(lines 721 729) no Hoare annotation was computed. [2021-08-26 08:45:33,386 INFO L857 garLoopResultBuilder]: For program point L721-3(lines 721 729) no Hoare annotation was computed. [2021-08-26 08:45:33,386 INFO L857 garLoopResultBuilder]: For program point L721-4(lines 721 729) no Hoare annotation was computed. [2021-08-26 08:45:33,386 INFO L857 garLoopResultBuilder]: For program point L721-5(lines 721 729) no Hoare annotation was computed. [2021-08-26 08:45:33,387 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:33,387 INFO L853 garLoopResultBuilder]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2021-08-26 08:45:33,387 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-26 08:45:33,388 INFO L853 garLoopResultBuilder]: At program point L692(lines 692 698) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5))) [2021-08-26 08:45:33,388 INFO L853 garLoopResultBuilder]: At program point L692-1(lines 692 698) the Hoare annotation is: false [2021-08-26 08:45:33,388 INFO L853 garLoopResultBuilder]: At program point L692-2(lines 692 698) the Hoare annotation is: false [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L853 garLoopResultBuilder]: At program point L957(lines 908 958) the Hoare annotation is: false [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L853 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L661-1(lines 661 667) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L661-3(lines 661 667) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2021-08-26 08:45:33,389 INFO L857 garLoopResultBuilder]: For program point L661-5(lines 661 667) no Hoare annotation was computed. [2021-08-26 08:45:33,390 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-26 08:45:33,390 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-08-26 08:45:33,390 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 600) no Hoare annotation was computed. [2021-08-26 08:45:33,393 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:33,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:33 BoogieIcfgContainer [2021-08-26 08:45:33,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:33,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:33,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:33,424 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:33,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:28" (3/4) ... [2021-08-26 08:45:33,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:33,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:33,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:33,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:33,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:33,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:33,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:33,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:33,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:33,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:33,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:33,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((tmp == 1 && splverifierCounter == 0) && tmp <= 2) && 2 <= waterLevel) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-08-26 08:45:33,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 [2021-08-26 08:45:33,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:33,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:45:33,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) [2021-08-26 08:45:33,503 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:33,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:33,507 INFO L168 Benchmark]: Toolchain (without parser) took 6118.94 ms. Allocated memory was 48.2 MB in the beginning and 125.8 MB in the end (delta: 77.6 MB). Free memory was 23.2 MB in the beginning and 84.5 MB in the end (delta: -61.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,507 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.7 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:33,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.41 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 34.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.69 ms. Allocated memory is still 58.7 MB. Free memory was 34.1 MB in the beginning and 30.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,508 INFO L168 Benchmark]: Boogie Preprocessor took 68.74 ms. Allocated memory is still 58.7 MB. Free memory was 30.3 MB in the beginning and 40.4 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,508 INFO L168 Benchmark]: RCFGBuilder took 853.06 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 40.4 MB in the beginning and 36.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,509 INFO L168 Benchmark]: TraceAbstraction took 4645.90 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 35.7 MB in the beginning and 95.0 MB in the end (delta: -59.3 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,509 INFO L168 Benchmark]: Witness Printer took 82.16 ms. Allocated memory is still 125.8 MB. Free memory was 95.0 MB in the beginning and 84.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:33,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.7 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 408.41 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 34.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.69 ms. Allocated memory is still 58.7 MB. Free memory was 34.1 MB in the beginning and 30.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.74 ms. Allocated memory is still 58.7 MB. Free memory was 30.3 MB in the beginning and 40.4 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 853.06 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 40.4 MB in the beginning and 36.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4645.90 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 35.7 MB in the beginning and 95.0 MB in the end (delta: -59.3 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. * Witness Printer took 82.16 ms. Allocated memory is still 125.8 MB. Free memory was 95.0 MB in the beginning and 84.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4570.4ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 19.0ms, AutomataDifference: 970.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1877.7ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1012 SDtfs, 1446 SDslu, 1440 SDs, 0 SdLazy, 254 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 425.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 325.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 118.2ms AutomataMinimizationTime, 10 MinimizatonAttempts, 468 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 906 HoareAnnotationTreeSize, 50 FomulaSimplifications, 81851 FormulaSimplificationTreeSizeReduction, 381.9ms HoareSimplificationTime, 50 FomulaSimplificationsInter, 9086 FormulaSimplificationTreeSizeReductionInter, 1483.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 57.2ms SsaConstructionTime, 265.6ms SatisfiabilityAnalysisTime, 785.7ms InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 745 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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 3 specifications checked. All of them hold - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((tmp == 1 && splverifierCounter == 0) && tmp <= 2) && 2 <= waterLevel) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && \result == 1) && !(tmp == 0)) && !(0 == systemActive)) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && \result == 1) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:33,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...