./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product15.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 10f6db361160ad683c5ff0095ebb60e0648efb18 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:55:08,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:55:08,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:55:08,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:55:08,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:55:08,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:55:08,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:55:08,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:55:08,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:55:08,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:55:08,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:55:08,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:55:08,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:55:08,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:55:08,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:55:08,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:55:08,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:55:08,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:55:08,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:55:08,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:55:08,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:55:08,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:55:08,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:55:08,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:55:08,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:55:08,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:55:08,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:55:08,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:55:08,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:55:08,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:55:08,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:55:08,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:55:08,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:55:08,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:55:08,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:55:08,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:55:08,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:55:08,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:55:08,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:55:08,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:55:08,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:55:08,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:55:08,740 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:55:08,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:55:08,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:55:08,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:55:08,743 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:55:08,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:55:08,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:55:08,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:55:08,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:55:08,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:55:08,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:55:08,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:55:08,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:55:08,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:55:08,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:08,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:55:08,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:55:08,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:55:08,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:55:08,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:55:08,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:55:08,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:55:08,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10f6db361160ad683c5ff0095ebb60e0648efb18 [2021-07-05 09:55:09,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:55:09,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:55:09,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:55:09,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:55:09,041 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:55:09,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2021-07-05 09:55:09,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbb805f5/2d028452745f4052a44beca95f03b8a8/FLAG6d343f37f [2021-07-05 09:55:09,488 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:55:09,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2021-07-05 09:55:09,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbb805f5/2d028452745f4052a44beca95f03b8a8/FLAG6d343f37f [2021-07-05 09:55:09,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcbb805f5/2d028452745f4052a44beca95f03b8a8 [2021-07-05 09:55:09,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:55:09,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:55:09,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:09,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:55:09,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:55:09,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29badd0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09, skipping insertion in model container [2021-07-05 09:55:09,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:55:09,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:55:09,702 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[1817,1830] [2021-07-05 09:55:09,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:09,836 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:55:09,853 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[1817,1830] [2021-07-05 09:55:09,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:55:09,926 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:55:09,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09 WrapperNode [2021-07-05 09:55:09,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:55:09,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:09,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:55:09,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:55:09,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:55:09,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:55:09,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:55:09,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:55:09,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:09,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:10,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:10,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:10,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:10,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:55:10,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:55:10,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:55:10,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:55:10,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (1/1) ... [2021-07-05 09:55:10,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:55:10,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:55:10,068 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) [2021-07-05 09:55:10,090 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 [2021-07-05 09:55:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:55:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:55:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:55:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:55:10,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:55:10,717 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-07-05 09:55:10,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:10 BoogieIcfgContainer [2021-07-05 09:55:10,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:55:10,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:55:10,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:55:10,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:55:10,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:55:09" (1/3) ... [2021-07-05 09:55:10,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ea4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:10, skipping insertion in model container [2021-07-05 09:55:10,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:55:09" (2/3) ... [2021-07-05 09:55:10,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ea4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:55:10, skipping insertion in model container [2021-07-05 09:55:10,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:10" (3/3) ... [2021-07-05 09:55:10,725 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2021-07-05 09:55:10,729 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:55:10,730 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:55:10,774 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:10,780 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:10,780 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 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) [2021-07-05 09:55:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 09:55:10,801 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:10,801 INFO L525 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] [2021-07-05 09:55:10,802 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:10,808 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2021-07-05 09:55:10,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:10,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766683083] [2021-07-05 09:55:10,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:10,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:11,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:11,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:11,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:11,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766683083] [2021-07-05 09:55:11,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766683083] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:11,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:11,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 09:55:11,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965998118] [2021-07-05 09:55:11,146 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 09:55:11,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:11,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 09:55:11,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-05 09:55:11,156 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 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) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-07-05 09:55:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:11,339 INFO L93 Difference]: Finished difference Result 254 states and 381 transitions. [2021-07-05 09:55:11,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 09:55:11,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-07-05 09:55:11,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:11,347 INFO L225 Difference]: With dead ends: 254 [2021-07-05 09:55:11,348 INFO L226 Difference]: Without dead ends: 83 [2021-07-05 09:55:11,350 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 64.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:55:11,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-07-05 09:55:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-07-05 09:55:11,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 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) [2021-07-05 09:55:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-07-05 09:55:11,377 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-07-05 09:55:11,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:11,377 INFO L442 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-07-05 09:55:11,377 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-07-05 09:55:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-07-05 09:55:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-07-05 09:55:11,378 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:11,378 INFO L525 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] [2021-07-05 09:55:11,379 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:55:11,379 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:11,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:11,379 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2021-07-05 09:55:11,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:11,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757779401] [2021-07-05 09:55:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:11,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:11,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:11,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:55:11,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:11,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:11,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757779401] [2021-07-05 09:55:11,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757779401] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:11,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:11,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-05 09:55:11,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041889615] [2021-07-05 09:55:11,454 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 09:55:11,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:11,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 09:55:11,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:55:11,455 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-07-05 09:55:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:11,761 INFO L93 Difference]: Finished difference Result 317 states and 489 transitions. [2021-07-05 09:55:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-05 09:55:11,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2021-07-05 09:55:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:11,764 INFO L225 Difference]: With dead ends: 317 [2021-07-05 09:55:11,764 INFO L226 Difference]: Without dead ends: 271 [2021-07-05 09:55:11,765 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 97.0ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-07-05 09:55:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-07-05 09:55:11,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 130. [2021-07-05 09:55:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 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) [2021-07-05 09:55:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-07-05 09:55:11,788 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-07-05 09:55:11,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:11,789 INFO L442 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-07-05 09:55:11,789 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-07-05 09:55:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-07-05 09:55:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:55:11,791 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:11,791 INFO L525 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] [2021-07-05 09:55:11,791 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:55:11,792 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:11,796 INFO L82 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2021-07-05 09:55:11,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:11,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401712082] [2021-07-05 09:55:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:11,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:11,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:11,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:11,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401712082] [2021-07-05 09:55:11,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401712082] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:11,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:11,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:11,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636998293] [2021-07-05 09:55:11,837 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:11,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:11,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:11,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:11,839 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-07-05 09:55:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:11,857 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2021-07-05 09:55:11,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:11,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2021-07-05 09:55:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:11,859 INFO L225 Difference]: With dead ends: 239 [2021-07-05 09:55:11,859 INFO L226 Difference]: Without dead ends: 115 [2021-07-05 09:55:11,861 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-07-05 09:55:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-07-05 09:55:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 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) [2021-07-05 09:55:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-07-05 09:55:11,879 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2021-07-05 09:55:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:11,879 INFO L442 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-07-05 09:55:11,882 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-07-05 09:55:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-07-05 09:55:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-07-05 09:55:11,884 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:11,884 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:11,885 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 09:55:11,885 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:11,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:11,886 INFO L82 PathProgramCache]: Analyzing trace with hash 402720837, now seen corresponding path program 1 times [2021-07-05 09:55:11,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:11,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230895020] [2021-07-05 09:55:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:11,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:11,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:55:11,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:11,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:11,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:11,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:11,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230895020] [2021-07-05 09:55:11,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230895020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 09:55:11,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887026585] [2021-07-05 09:55:11,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:11,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 09:55:11,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:55:11,973 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) [2021-07-05 09:55:11,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-07-05 09:55:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-05 09:55:12,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 09:55:12,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 09:55:12,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 09:55:12,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 09:55:12,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 09:55:12,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 09:55:12,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 09:55:12,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:12,247 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 09:55:12,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:12,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:12,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887026585] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:12,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-05 09:55:12,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-07-05 09:55:12,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638629700] [2021-07-05 09:55:12,279 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 09:55:12,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:12,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 09:55:12,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:12,280 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-07-05 09:55:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:12,322 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2021-07-05 09:55:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 09:55:12,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-07-05 09:55:12,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:12,322 INFO L225 Difference]: With dead ends: 150 [2021-07-05 09:55:12,323 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:12,323 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:55:12,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:12,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:12,323 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) [2021-07-05 09:55:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:12,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-07-05 09:55:12,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:12,324 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:12,324 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-07-05 09:55:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:12,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:12,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:12,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:12,761 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:12,761 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:12,762 INFO L762 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-07-05 09:55:12,762 INFO L762 garLoopResultBuilder]: For program point L796-1(lines 176 182) no Hoare annotation was computed. [2021-07-05 09:55:12,762 INFO L765 garLoopResultBuilder]: At program point L152(lines 103 153) the Hoare annotation is: true [2021-07-05 09:55:12,762 INFO L762 garLoopResultBuilder]: For program point L863(lines 863 870) no Hoare annotation was computed. [2021-07-05 09:55:12,762 INFO L765 garLoopResultBuilder]: At program point L863-1(lines 863 870) the Hoare annotation is: true [2021-07-05 09:55:12,762 INFO L762 garLoopResultBuilder]: For program point L731(lines 731 735) no Hoare annotation was computed. [2021-07-05 09:55:12,762 INFO L758 garLoopResultBuilder]: At program point L269(lines 262 272) the Hoare annotation is: false [2021-07-05 09:55:12,762 INFO L758 garLoopResultBuilder]: At program point L269-1(lines 262 272) the Hoare annotation is: (not (= 0 ~systemActive~0)) [2021-07-05 09:55:12,763 INFO L758 garLoopResultBuilder]: At program point L269-2(lines 262 272) the Hoare annotation is: (not (= 0 ~systemActive~0)) [2021-07-05 09:55:12,763 INFO L762 garLoopResultBuilder]: For program point L105(lines 104 151) no Hoare annotation was computed. [2021-07-05 09:55:12,763 INFO L762 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2021-07-05 09:55:12,763 INFO L762 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-07-05 09:55:12,763 INFO L758 garLoopResultBuilder]: At program point L140-1(lines 176 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0))) [2021-07-05 09:55:12,763 INFO L762 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2021-07-05 09:55:12,763 INFO L758 garLoopResultBuilder]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0))) [2021-07-05 09:55:12,763 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:12,763 INFO L762 garLoopResultBuilder]: For program point L124(lines 124 130) no Hoare annotation was computed. [2021-07-05 09:55:12,764 INFO L758 garLoopResultBuilder]: At program point L124-1(lines 124 130) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0) (and .cse1 .cse2 .cse3 .cse0 (not (= 0 ~systemActive~0))))) [2021-07-05 09:55:12,764 INFO L762 garLoopResultBuilder]: For program point L719(lines 719 723) no Hoare annotation was computed. [2021-07-05 09:55:12,764 INFO L758 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:12,764 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:12,764 INFO L762 garLoopResultBuilder]: For program point L885(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:12,764 INFO L758 garLoopResultBuilder]: At program point L885-1(lines 1 901) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse0 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5 (not (= 0 ~systemActive~0))))) [2021-07-05 09:55:12,764 INFO L762 garLoopResultBuilder]: For program point L885-2(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:12,765 INFO L765 garLoopResultBuilder]: At program point L885-3(lines 1 901) the Hoare annotation is: true [2021-07-05 09:55:12,765 INFO L762 garLoopResultBuilder]: For program point L885-4(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:12,765 INFO L762 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:12,765 INFO L765 garLoopResultBuilder]: At program point L885-5(lines 1 901) the Hoare annotation is: true [2021-07-05 09:55:12,765 INFO L762 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:12,765 INFO L762 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:12,765 INFO L758 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0))) [2021-07-05 09:55:12,765 INFO L762 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-07-05 09:55:12,765 INFO L765 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: true [2021-07-05 09:55:12,766 INFO L765 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: true [2021-07-05 09:55:12,766 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:12,766 INFO L765 garLoopResultBuilder]: At program point L872(lines 853 875) the Hoare annotation is: true [2021-07-05 09:55:12,766 INFO L762 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:12,768 INFO L762 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:12,768 INFO L762 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:12,768 INFO L762 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:12,769 INFO L762 garLoopResultBuilder]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:12,769 INFO L758 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: false [2021-07-05 09:55:12,769 INFO L765 garLoopResultBuilder]: At program point L278-1(lines 273 281) the Hoare annotation is: true [2021-07-05 09:55:12,769 INFO L762 garLoopResultBuilder]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:12,769 INFO L762 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:12,769 INFO L765 garLoopResultBuilder]: At program point L278-2(lines 273 281) the Hoare annotation is: true [2021-07-05 09:55:12,769 INFO L762 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:12,769 INFO L762 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:12,769 INFO L758 garLoopResultBuilder]: At program point L840(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:12,770 INFO L762 garLoopResultBuilder]: For program point L114(lines 114 120) no Hoare annotation was computed. [2021-07-05 09:55:12,770 INFO L758 garLoopResultBuilder]: At program point L114-1(lines 114 120) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0) (and .cse1 .cse2 .cse3 .cse0 (not (= 0 ~systemActive~0))))) [2021-07-05 09:55:12,770 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:12,770 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:12,770 INFO L765 garLoopResultBuilder]: At program point L792-2(lines 792 806) the Hoare annotation is: true [2021-07-05 09:55:12,770 INFO L758 garLoopResultBuilder]: At program point L776(lines 771 779) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-07-05 09:55:12,770 INFO L765 garLoopResultBuilder]: At program point L776-1(lines 771 779) the Hoare annotation is: true [2021-07-05 09:55:12,770 INFO L765 garLoopResultBuilder]: At program point L776-2(lines 771 779) the Hoare annotation is: true [2021-07-05 09:55:12,771 INFO L762 garLoopResultBuilder]: For program point L793(line 793) no Hoare annotation was computed. [2021-07-05 09:55:12,771 INFO L758 garLoopResultBuilder]: At program point L744(lines 739 747) the Hoare annotation is: false [2021-07-05 09:55:12,771 INFO L758 garLoopResultBuilder]: At program point L744-1(lines 739 747) the Hoare annotation is: (not (= 0 ~systemActive~0)) [2021-07-05 09:55:12,771 INFO L758 garLoopResultBuilder]: At program point L744-2(lines 739 747) the Hoare annotation is: (not (= 0 ~systemActive~0)) [2021-07-05 09:55:12,771 INFO L758 garLoopResultBuilder]: At program point L67(lines 1 901) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:12,771 INFO L758 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0))) [2021-07-05 09:55:12,771 INFO L765 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: true [2021-07-05 09:55:12,771 INFO L765 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: true [2021-07-05 09:55:12,771 INFO L762 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-07-05 09:55:12,772 INFO L762 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-07-05 09:55:12,772 INFO L762 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-07-05 09:55:12,772 INFO L762 garLoopResultBuilder]: For program point L134(lines 134 147) no Hoare annotation was computed. [2021-07-05 09:55:12,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-07-05 09:55:12,989 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 09:55:12,989 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:12,992 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:55:12,994 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:12,994 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:12,994 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 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) [2021-07-05 09:55:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 09:55:12,995 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:12,995 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:12,995 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:12,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:12,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2021-07-05 09:55:12,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:12,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955397438] [2021-07-05 09:55:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:12,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:13,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:13,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:13,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955397438] [2021-07-05 09:55:13,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955397438] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:13,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:13,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:13,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952526942] [2021-07-05 09:55:13,021 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:13,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:13,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:13,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:13,022 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-07-05 09:55:13,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:13,023 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-07-05 09:55:13,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:13,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-07-05 09:55:13,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:13,024 INFO L225 Difference]: With dead ends: 136 [2021-07-05 09:55:13,024 INFO L226 Difference]: Without dead ends: 46 [2021-07-05 09:55:13,025 INFO L795 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 [2021-07-05 09:55:13,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-07-05 09:55:13,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-07-05 09:55:13,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 45 states have internal predecessors, (64), 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) [2021-07-05 09:55:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2021-07-05 09:55:13,027 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 16 [2021-07-05 09:55:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:13,027 INFO L442 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2021-07-05 09:55:13,027 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-07-05 09:55:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-07-05 09:55:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 09:55:13,027 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:13,028 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:55:13,028 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-07-05 09:55:13,028 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:13,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:13,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2021-07-05 09:55:13,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:13,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122938788] [2021-07-05 09:55:13,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:13,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:13,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:13,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:13,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:13,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122938788] [2021-07-05 09:55:13,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122938788] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:13,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:13,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:13,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228931201] [2021-07-05 09:55:13,055 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:13,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:13,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:13,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:13,055 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-07-05 09:55:13,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:13,058 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions. [2021-07-05 09:55:13,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:13,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-07-05 09:55:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:13,059 INFO L225 Difference]: With dead ends: 46 [2021-07-05 09:55:13,059 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:13,060 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:13,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:13,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:13,060 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) [2021-07-05 09:55:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:13,061 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 09:55:13,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:13,061 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:13,061 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-07-05 09:55:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:13,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:13,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:13,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,103 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,104 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,104 INFO L762 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-07-05 09:55:13,104 INFO L762 garLoopResultBuilder]: For program point L796-1(lines 176 182) no Hoare annotation was computed. [2021-07-05 09:55:13,105 INFO L758 garLoopResultBuilder]: At program point L152(lines 103 153) the Hoare annotation is: false [2021-07-05 09:55:13,105 INFO L762 garLoopResultBuilder]: For program point L863(lines 863 870) no Hoare annotation was computed. [2021-07-05 09:55:13,106 INFO L765 garLoopResultBuilder]: At program point L863-1(lines 863 870) the Hoare annotation is: true [2021-07-05 09:55:13,106 INFO L762 garLoopResultBuilder]: For program point L731(lines 731 735) no Hoare annotation was computed. [2021-07-05 09:55:13,106 INFO L758 garLoopResultBuilder]: At program point L269(lines 262 272) the Hoare annotation is: false [2021-07-05 09:55:13,106 INFO L758 garLoopResultBuilder]: At program point L269-1(lines 262 272) the Hoare annotation is: false [2021-07-05 09:55:13,106 INFO L758 garLoopResultBuilder]: At program point L269-2(lines 262 272) the Hoare annotation is: (not (= 0 ~systemActive~0)) [2021-07-05 09:55:13,106 INFO L762 garLoopResultBuilder]: For program point L105(lines 104 151) no Hoare annotation was computed. [2021-07-05 09:55:13,106 INFO L762 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2021-07-05 09:55:13,106 INFO L762 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-07-05 09:55:13,107 INFO L758 garLoopResultBuilder]: At program point L140-1(lines 176 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,107 INFO L762 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2021-07-05 09:55:13,107 INFO L758 garLoopResultBuilder]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,107 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,108 INFO L762 garLoopResultBuilder]: For program point L124(lines 124 130) no Hoare annotation was computed. [2021-07-05 09:55:13,108 INFO L758 garLoopResultBuilder]: At program point L124-1(lines 124 130) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0) (and .cse1 .cse2 .cse3 .cse0 (not (= 0 ~systemActive~0)))))) [2021-07-05 09:55:13,108 INFO L762 garLoopResultBuilder]: For program point L719(lines 719 723) no Hoare annotation was computed. [2021-07-05 09:55:13,108 INFO L758 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:13,108 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,108 INFO L762 garLoopResultBuilder]: For program point L885(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:13,108 INFO L758 garLoopResultBuilder]: At program point L885-1(lines 1 901) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse0 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5 (not (= 0 ~systemActive~0)))))) [2021-07-05 09:55:13,109 INFO L762 garLoopResultBuilder]: For program point L885-2(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:13,109 INFO L765 garLoopResultBuilder]: At program point L885-3(lines 1 901) the Hoare annotation is: true [2021-07-05 09:55:13,109 INFO L762 garLoopResultBuilder]: For program point L885-4(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:13,109 INFO L762 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:13,109 INFO L765 garLoopResultBuilder]: At program point L885-5(lines 1 901) the Hoare annotation is: true [2021-07-05 09:55:13,109 INFO L762 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:13,110 INFO L762 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:13,110 INFO L758 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,110 INFO L762 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-07-05 09:55:13,111 INFO L758 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2021-07-05 09:55:13,111 INFO L765 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: true [2021-07-05 09:55:13,111 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,111 INFO L765 garLoopResultBuilder]: At program point L872(lines 853 875) the Hoare annotation is: true [2021-07-05 09:55:13,111 INFO L762 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:13,111 INFO L762 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:13,111 INFO L762 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:13,111 INFO L762 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:13,111 INFO L762 garLoopResultBuilder]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:13,112 INFO L758 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: false [2021-07-05 09:55:13,112 INFO L758 garLoopResultBuilder]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2021-07-05 09:55:13,112 INFO L762 garLoopResultBuilder]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:13,112 INFO L762 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:13,112 INFO L765 garLoopResultBuilder]: At program point L278-2(lines 273 281) the Hoare annotation is: true [2021-07-05 09:55:13,112 INFO L762 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:13,112 INFO L762 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:13,112 INFO L758 garLoopResultBuilder]: At program point L840(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:13,112 INFO L762 garLoopResultBuilder]: For program point L114(lines 114 120) no Hoare annotation was computed. [2021-07-05 09:55:13,113 INFO L758 garLoopResultBuilder]: At program point L114-1(lines 114 120) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0) (and .cse1 .cse2 .cse3 .cse0 (not (= 0 ~systemActive~0)))))) [2021-07-05 09:55:13,113 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,113 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,113 INFO L765 garLoopResultBuilder]: At program point L792-2(lines 792 806) the Hoare annotation is: true [2021-07-05 09:55:13,113 INFO L758 garLoopResultBuilder]: At program point L776(lines 771 779) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1)))) [2021-07-05 09:55:13,113 INFO L758 garLoopResultBuilder]: At program point L776-1(lines 771 779) the Hoare annotation is: false [2021-07-05 09:55:13,113 INFO L765 garLoopResultBuilder]: At program point L776-2(lines 771 779) the Hoare annotation is: true [2021-07-05 09:55:13,113 INFO L762 garLoopResultBuilder]: For program point L793(line 793) no Hoare annotation was computed. [2021-07-05 09:55:13,114 INFO L758 garLoopResultBuilder]: At program point L744(lines 739 747) the Hoare annotation is: false [2021-07-05 09:55:13,114 INFO L758 garLoopResultBuilder]: At program point L744-1(lines 739 747) the Hoare annotation is: false [2021-07-05 09:55:13,114 INFO L758 garLoopResultBuilder]: At program point L744-2(lines 739 747) the Hoare annotation is: (not (= 0 ~systemActive~0)) [2021-07-05 09:55:13,114 INFO L758 garLoopResultBuilder]: At program point L67(lines 1 901) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:13,114 INFO L758 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,115 INFO L758 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2021-07-05 09:55:13,115 INFO L765 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: true [2021-07-05 09:55:13,115 INFO L762 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,115 INFO L762 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,115 INFO L762 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,115 INFO L762 garLoopResultBuilder]: For program point L134(lines 134 147) no Hoare annotation was computed. [2021-07-05 09:55:13,115 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-07-05 09:55:13,115 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:13,116 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:55:13,117 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:55:13,118 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:55:13,118 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:55:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 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) [2021-07-05 09:55:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:55:13,123 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:13,123 INFO L525 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] [2021-07-05 09:55:13,124 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:13,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:13,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1427091639, now seen corresponding path program 1 times [2021-07-05 09:55:13,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:13,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713485590] [2021-07-05 09:55:13,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:13,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:13,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:13,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713485590] [2021-07-05 09:55:13,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713485590] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:13,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:13,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:55:13,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48538274] [2021-07-05 09:55:13,154 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:55:13,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:13,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:55:13,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:55:13,155 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 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) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-07-05 09:55:13,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:13,156 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-07-05 09:55:13,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:55:13,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-07-05 09:55:13,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:13,157 INFO L225 Difference]: With dead ends: 136 [2021-07-05 09:55:13,157 INFO L226 Difference]: Without dead ends: 63 [2021-07-05 09:55:13,158 INFO L795 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 [2021-07-05 09:55:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-07-05 09:55:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-07-05 09:55:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.435483870967742) internal successors, (89), 62 states have internal predecessors, (89), 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) [2021-07-05 09:55:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2021-07-05 09:55:13,170 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 25 [2021-07-05 09:55:13,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:13,171 INFO L442 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2021-07-05 09:55:13,172 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-07-05 09:55:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2021-07-05 09:55:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 09:55:13,175 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:55:13,175 INFO L525 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] [2021-07-05 09:55:13,175 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-07-05 09:55:13,175 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:55:13,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:55:13,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1544985016, now seen corresponding path program 1 times [2021-07-05 09:55:13,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:55:13,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532685730] [2021-07-05 09:55:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:55:13,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:55:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:55:13,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:55:13,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:55:13,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:55:13,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:55:13,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:55:13,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532685730] [2021-07-05 09:55:13,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532685730] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:55:13,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:55:13,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:55:13,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980910359] [2021-07-05 09:55:13,200 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:55:13,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:55:13,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:55:13,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:13,201 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-07-05 09:55:13,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:55:13,203 INFO L93 Difference]: Finished difference Result 63 states and 89 transitions. [2021-07-05 09:55:13,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:55:13,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 [2021-07-05 09:55:13,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:55:13,204 INFO L225 Difference]: With dead ends: 63 [2021-07-05 09:55:13,204 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:55:13,204 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:55:13,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:55:13,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:55:13,204 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) [2021-07-05 09:55:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:55:13,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 09:55:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:55:13,205 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:55:13,205 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-07-05 09:55:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:55:13,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:55:13,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:55:13,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:55:13,255 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,255 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,255 INFO L762 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-07-05 09:55:13,256 INFO L762 garLoopResultBuilder]: For program point L796-1(lines 176 182) no Hoare annotation was computed. [2021-07-05 09:55:13,256 INFO L758 garLoopResultBuilder]: At program point L152(lines 103 153) the Hoare annotation is: false [2021-07-05 09:55:13,256 INFO L762 garLoopResultBuilder]: For program point L863(lines 863 870) no Hoare annotation was computed. [2021-07-05 09:55:13,256 INFO L765 garLoopResultBuilder]: At program point L863-1(lines 863 870) the Hoare annotation is: true [2021-07-05 09:55:13,256 INFO L762 garLoopResultBuilder]: For program point L731(lines 731 735) no Hoare annotation was computed. [2021-07-05 09:55:13,256 INFO L758 garLoopResultBuilder]: At program point L269(lines 262 272) the Hoare annotation is: false [2021-07-05 09:55:13,256 INFO L758 garLoopResultBuilder]: At program point L269-1(lines 262 272) the Hoare annotation is: false [2021-07-05 09:55:13,256 INFO L758 garLoopResultBuilder]: At program point L269-2(lines 262 272) the Hoare annotation is: false [2021-07-05 09:55:13,256 INFO L762 garLoopResultBuilder]: For program point L105(lines 104 151) no Hoare annotation was computed. [2021-07-05 09:55:13,257 INFO L762 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2021-07-05 09:55:13,257 INFO L762 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-07-05 09:55:13,257 INFO L758 garLoopResultBuilder]: At program point L140-1(lines 176 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,257 INFO L762 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2021-07-05 09:55:13,257 INFO L758 garLoopResultBuilder]: At program point L322-1(lines 322 328) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,258 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,258 INFO L762 garLoopResultBuilder]: For program point L124(lines 124 130) no Hoare annotation was computed. [2021-07-05 09:55:13,258 INFO L758 garLoopResultBuilder]: At program point L124-1(lines 124 130) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0) (and .cse1 .cse2 .cse3 .cse0 (not (= 0 ~systemActive~0)))))) [2021-07-05 09:55:13,258 INFO L762 garLoopResultBuilder]: For program point L719(lines 719 723) no Hoare annotation was computed. [2021-07-05 09:55:13,258 INFO L758 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:13,258 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,258 INFO L762 garLoopResultBuilder]: For program point L885(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:13,259 INFO L758 garLoopResultBuilder]: At program point L885-1(lines 1 901) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse4 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse0 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse5 (not (= 0 ~systemActive~0)))))) [2021-07-05 09:55:13,259 INFO L762 garLoopResultBuilder]: For program point L885-2(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:13,259 INFO L758 garLoopResultBuilder]: At program point L885-3(lines 1 901) the Hoare annotation is: false [2021-07-05 09:55:13,259 INFO L762 garLoopResultBuilder]: For program point L885-4(lines 885 898) no Hoare annotation was computed. [2021-07-05 09:55:13,259 INFO L762 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:13,259 INFO L758 garLoopResultBuilder]: At program point L885-5(lines 1 901) the Hoare annotation is: false [2021-07-05 09:55:13,259 INFO L762 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:13,259 INFO L762 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-07-05 09:55:13,259 INFO L758 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-07-05 09:55:13,260 INFO L758 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2021-07-05 09:55:13,260 INFO L758 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,260 INFO L765 garLoopResultBuilder]: At program point L872(lines 853 875) the Hoare annotation is: true [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point L707-3(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point L707-6(lines 707 711) no Hoare annotation was computed. [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:13,260 INFO L762 garLoopResultBuilder]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:13,261 INFO L758 garLoopResultBuilder]: At program point L278(lines 273 281) the Hoare annotation is: false [2021-07-05 09:55:13,261 INFO L758 garLoopResultBuilder]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2021-07-05 09:55:13,261 INFO L762 garLoopResultBuilder]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2021-07-05 09:55:13,261 INFO L762 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:13,261 INFO L758 garLoopResultBuilder]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2021-07-05 09:55:13,261 INFO L762 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:13,261 INFO L762 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-07-05 09:55:13,261 INFO L758 garLoopResultBuilder]: At program point L840(lines 836 842) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-07-05 09:55:13,261 INFO L762 garLoopResultBuilder]: For program point L114(lines 114 120) no Hoare annotation was computed. [2021-07-05 09:55:13,261 INFO L758 garLoopResultBuilder]: At program point L114-1(lines 114 120) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse1 (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) .cse1 .cse2 .cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse0) (and .cse1 .cse2 .cse3 .cse0 (not (= 0 ~systemActive~0)))))) [2021-07-05 09:55:13,262 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:55:13,262 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,262 INFO L758 garLoopResultBuilder]: At program point L792-2(lines 792 806) the Hoare annotation is: false [2021-07-05 09:55:13,262 INFO L758 garLoopResultBuilder]: At program point L776(lines 771 779) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1)))) [2021-07-05 09:55:13,262 INFO L758 garLoopResultBuilder]: At program point L776-1(lines 771 779) the Hoare annotation is: false [2021-07-05 09:55:13,262 INFO L758 garLoopResultBuilder]: At program point L776-2(lines 771 779) the Hoare annotation is: false [2021-07-05 09:55:13,262 INFO L762 garLoopResultBuilder]: For program point L793(line 793) no Hoare annotation was computed. [2021-07-05 09:55:13,262 INFO L758 garLoopResultBuilder]: At program point L744(lines 739 747) the Hoare annotation is: false [2021-07-05 09:55:13,262 INFO L758 garLoopResultBuilder]: At program point L744-1(lines 739 747) the Hoare annotation is: false [2021-07-05 09:55:13,263 INFO L758 garLoopResultBuilder]: At program point L744-2(lines 739 747) the Hoare annotation is: false [2021-07-05 09:55:13,263 INFO L758 garLoopResultBuilder]: At program point L67(lines 1 901) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:55:13,263 INFO L758 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and (= ULTIMATE.start_main_~tmp~6 ~waterLevel~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0)))) [2021-07-05 09:55:13,263 INFO L758 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2021-07-05 09:55:13,263 INFO L758 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2021-07-05 09:55:13,263 INFO L762 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,263 INFO L762 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,263 INFO L762 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-07-05 09:55:13,263 INFO L762 garLoopResultBuilder]: For program point L134(lines 134 147) no Hoare annotation was computed. [2021-07-05 09:55:13,264 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-07-05 09:55:13,264 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:55:13,264 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:55:13,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:55:13 BoogieIcfgContainer [2021-07-05 09:55:13,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:55:13,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:55:13,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:55:13,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:55:13,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:55:10" (3/4) ... [2021-07-05 09:55:13,288 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:55:13,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:55:13,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:55:13,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:55:13,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:55:13,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:55:13,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:13,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:55:13,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == systemActive) && \result == waterLevel) && pumpRunning == 0 [2021-07-05 09:55:13,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == waterLevel && waterLevel == 1) && \result == systemActive) && \result == waterLevel) && pumpRunning == 0 [2021-07-05 09:55:13,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && (((((((!(tmp == 0) && tmp == waterLevel) && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0) || (((2 <= waterLevel && !(tmp == 0)) && !(\result == 0)) && pumpRunning == 0)) || ((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && !(0 == systemActive))) [2021-07-05 09:55:13,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && (((2 <= waterLevel && pumpRunning == 0) || (((((!(tmp == 0) && tmp == waterLevel) && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0)) || ((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && !(0 == systemActive))) [2021-07-05 09:55:13,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && (((2 <= waterLevel && pumpRunning == 0) || (((((!(tmp == 0) && tmp == waterLevel) && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0)) || ((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && !(0 == systemActive))) [2021-07-05 09:55:13,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) [2021-07-05 09:55:13,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) [2021-07-05 09:55:13,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) [2021-07-05 09:55:13,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) [2021-07-05 09:55:13,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && (((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0) || ((2 <= waterLevel && !(\result == 0)) && pumpRunning == 0)) [2021-07-05 09:55:13,337 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:55:13,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:55:13,338 INFO L168 Benchmark]: Toolchain (without parser) took 3811.21 ms. Allocated memory was 58.7 MB in the beginning and 123.7 MB in the end (delta: 65.0 MB). Free memory was 36.3 MB in the beginning and 83.2 MB in the end (delta: -46.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,338 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 58.7 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:55:13,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.40 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 51.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.14 ms. Allocated memory is still 77.6 MB. Free memory was 50.8 MB in the beginning and 48.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,339 INFO L168 Benchmark]: Boogie Preprocessor took 38.78 ms. Allocated memory is still 77.6 MB. Free memory was 48.1 MB in the beginning and 45.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,339 INFO L168 Benchmark]: RCFGBuilder took 694.44 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 35.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,339 INFO L168 Benchmark]: TraceAbstraction took 2557.98 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 35.0 MB in the beginning and 89.5 MB in the end (delta: -54.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,339 INFO L168 Benchmark]: Witness Printer took 59.18 ms. Allocated memory is still 123.7 MB. Free memory was 89.5 MB in the beginning and 83.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:55:13,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 58.7 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.40 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 36.1 MB in the beginning and 51.0 MB in the end (delta: -14.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.14 ms. Allocated memory is still 77.6 MB. Free memory was 50.8 MB in the beginning and 48.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.78 ms. Allocated memory is still 77.6 MB. Free memory was 48.1 MB in the beginning and 45.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 694.44 ms. Allocated memory is still 77.6 MB. Free memory was 45.8 MB in the beginning and 35.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2557.98 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 35.0 MB in the beginning and 89.5 MB in the end (delta: -54.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * Witness Printer took 59.18 ms. Allocated memory is still 123.7 MB. Free memory was 89.5 MB in the beginning and 83.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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 - 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 - 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: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2219.3ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 11.3ms, AutomataDifference: 581.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 434.3ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 242 SDtfs, 784 SDslu, 846 SDs, 0 SdLazy, 125 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 283.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 171.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=2, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 57.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 172 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 112 NumberOfFragments, 331 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1020 FormulaSimplificationTreeSizeReduction, 89.0ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 336.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 40.2ms SsaConstructionTime, 211.1ms SatisfiabilityAnalysisTime, 444.4ms InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 25/30 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 121.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.0ms, AutomataDifference: 8.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 41.6ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 141 SDtfs, 37 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 54 NumberOfFragments, 54 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 15.3ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 24.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.2ms SsaConstructionTime, 11.2ms SatisfiabilityAnalysisTime, 31.4ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 146.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 5.5ms, AutomataDifference: 6.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 49.2ms, InitialAbstractionConstructionTime: 2.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 141 SDtfs, 37 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13.1ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 45 NumberOfFragments, 54 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 21.9ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 25.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.2ms SsaConstructionTime, 16.7ms SatisfiabilityAnalysisTime, 29.3ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 124]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((2 <= waterLevel && pumpRunning == 0) || (((((!(tmp == 0) && tmp == waterLevel) && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0)) || ((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && !(0 == systemActive))) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((((((!(tmp == 0) && tmp == waterLevel) && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0) || (((2 <= waterLevel && !(tmp == 0)) && !(\result == 0)) && pumpRunning == 0)) || ((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && !(0 == systemActive))) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((2 <= waterLevel && pumpRunning == 0) || (((((!(tmp == 0) && tmp == waterLevel) && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0)) || ((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && !(0 == systemActive))) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == systemActive) && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((tmp == waterLevel && waterLevel == 1) && \result == systemActive) && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && !(\result == 0)) && pumpRunning == 0) || ((2 <= waterLevel && !(\result == 0)) && pumpRunning == 0)) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((2 <= waterLevel && pumpRunning == 0) || (((tmp == waterLevel && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:55:13,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...