./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product37.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 cf3a2246a69bfa51c25534a65289619c12c7abe9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:45:25,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:25,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:25,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:25,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:25,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:25,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:26,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:26,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:26,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:26,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:26,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:26,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:26,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:26,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:26,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:26,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:26,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:26,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:26,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:26,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:26,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:26,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:26,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:26,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:26,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:26,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:26,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:26,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:26,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:26,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:26,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:26,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:26,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:26,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:26,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:26,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:26,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:26,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:26,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:26,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:26,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:26,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:26,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:26,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:26,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:26,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:26,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:26,083 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:26,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:26,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:26,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:26,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:26,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:26,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:26,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:26,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:26,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:26,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:26,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:26,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:26,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:26,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:26,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:26,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:26,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf3a2246a69bfa51c25534a65289619c12c7abe9 [2021-08-26 08:45:26,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:26,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:26,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:26,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:26,339 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:26,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-08-26 08:45:26,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043dd57d8/677d0ae14b7b4f39a7aac9f5cf8df94a/FLAG83d058b9a [2021-08-26 08:45:26,858 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:26,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-08-26 08:45:26,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043dd57d8/677d0ae14b7b4f39a7aac9f5cf8df94a/FLAG83d058b9a [2021-08-26 08:45:26,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/043dd57d8/677d0ae14b7b4f39a7aac9f5cf8df94a [2021-08-26 08:45:26,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:26,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:26,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:26,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:26,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:26,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:26,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2d69f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26, skipping insertion in model container [2021-08-26 08:45:26,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:26,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:26,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:27,118 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[4747,4760] [2021-08-26 08:45:27,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:27,199 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:27,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[4747,4760] [2021-08-26 08:45:27,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:27,268 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:27,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27 WrapperNode [2021-08-26 08:45:27,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:27,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:27,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:27,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:27,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:27,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:27,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:27,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:27,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:27,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:27,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:27,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:27,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (1/1) ... [2021-08-26 08:45:27,381 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:27,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:27,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:45:27,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:45:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:28,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:28,100 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-08-26 08:45:28,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:28 BoogieIcfgContainer [2021-08-26 08:45:28,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:28,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:28,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:28,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:28,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:26" (1/3) ... [2021-08-26 08:45:28,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b0cbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:28, skipping insertion in model container [2021-08-26 08:45:28,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:27" (2/3) ... [2021-08-26 08:45:28,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b0cbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:28, skipping insertion in model container [2021-08-26 08:45:28,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:28" (3/3) ... [2021-08-26 08:45:28,107 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2021-08-26 08:45:28,111 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:28,112 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:28,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:28,146 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:45:28,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:28,162 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,162 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,163 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2044768007, now seen corresponding path program 1 times [2021-08-26 08:45:28,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004546574] [2021-08-26 08:45:28,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:28,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004546574] [2021-08-26 08:45:28,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004546574] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:28,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770929920] [2021-08-26 08:45:28,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:28,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:28,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:28,333 INFO L87 Difference]: Start difference. First operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,368 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2021-08-26 08:45:28,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:28,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:45:28,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,377 INFO L225 Difference]: With dead ends: 233 [2021-08-26 08:45:28,377 INFO L226 Difference]: Without dead ends: 116 [2021-08-26 08:45:28,379 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:28,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-08-26 08:45:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-08-26 08:45:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 113 states have (on average 1.4867256637168142) internal successors, (168), 115 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2021-08-26 08:45:28,413 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2021-08-26 08:45:28,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,414 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2021-08-26 08:45:28,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,414 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2021-08-26 08:45:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:28,415 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,415 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:28,415 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,416 INFO L82 PathProgramCache]: Analyzing trace with hash -238748454, now seen corresponding path program 1 times [2021-08-26 08:45:28,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339797161] [2021-08-26 08:45:28,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:28,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339797161] [2021-08-26 08:45:28,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339797161] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:28,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994763529] [2021-08-26 08:45:28,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:28,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:28,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,523 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,534 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2021-08-26 08:45:28,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:28,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-08-26 08:45:28,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,535 INFO L225 Difference]: With dead ends: 116 [2021-08-26 08:45:28,535 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:45:28,536 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:45:28,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:45:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-08-26 08:45:28,539 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2021-08-26 08:45:28,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,539 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-08-26 08:45:28,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-08-26 08:45:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:28,540 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,540 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:28,541 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,541 INFO L82 PathProgramCache]: Analyzing trace with hash 2013244568, now seen corresponding path program 1 times [2021-08-26 08:45:28,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62024660] [2021-08-26 08:45:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:28,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62024660] [2021-08-26 08:45:28,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62024660] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:28,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471104547] [2021-08-26 08:45:28,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:45:28,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:45:28,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:45:28,641 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,755 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2021-08-26 08:45:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:45:28,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:45:28,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,759 INFO L225 Difference]: With dead ends: 91 [2021-08-26 08:45:28,760 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:45:28,760 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:28,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:45:28,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:45:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2021-08-26 08:45:28,767 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2021-08-26 08:45:28,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,768 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2021-08-26 08:45:28,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2021-08-26 08:45:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 08:45:28,770 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,770 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:28,770 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,771 INFO L82 PathProgramCache]: Analyzing trace with hash -997731729, now seen corresponding path program 1 times [2021-08-26 08:45:28,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390336769] [2021-08-26 08:45:28,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:28,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390336769] [2021-08-26 08:45:28,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390336769] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:28,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960594355] [2021-08-26 08:45:28,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:28,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:28,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,832 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,853 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2021-08-26 08:45:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:28,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-26 08:45:28,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,854 INFO L225 Difference]: With dead ends: 115 [2021-08-26 08:45:28,854 INFO L226 Difference]: Without dead ends: 73 [2021-08-26 08:45:28,854 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-26 08:45:28,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2021-08-26 08:45:28,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4142857142857144) internal successors, (99), 70 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-08-26 08:45:28,859 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2021-08-26 08:45:28,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,860 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-08-26 08:45:28,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-08-26 08:45:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:28,861 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,861 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:28,861 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1921834210, now seen corresponding path program 1 times [2021-08-26 08:45:28,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872531477] [2021-08-26 08:45:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:28,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872531477] [2021-08-26 08:45:28,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872531477] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:28,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134143839] [2021-08-26 08:45:28,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:28,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:28,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:28,904 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,962 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2021-08-26 08:45:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:28,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,965 INFO L225 Difference]: With dead ends: 190 [2021-08-26 08:45:28,965 INFO L226 Difference]: Without dead ends: 126 [2021-08-26 08:45:28,966 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:28,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-08-26 08:45:28,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2021-08-26 08:45:28,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2021-08-26 08:45:28,982 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2021-08-26 08:45:28,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,983 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2021-08-26 08:45:28,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-08-26 08:45:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:28,986 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,986 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:45:28,986 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,987 INFO L82 PathProgramCache]: Analyzing trace with hash -988370501, now seen corresponding path program 1 times [2021-08-26 08:45:28,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568773753] [2021-08-26 08:45:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568773753] [2021-08-26 08:45:29,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568773753] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:29,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903319649] [2021-08-26 08:45:29,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:29,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:29,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:29,058 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,124 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2021-08-26 08:45:29,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:45:29,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:29,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,127 INFO L225 Difference]: With dead ends: 260 [2021-08-26 08:45:29,127 INFO L226 Difference]: Without dead ends: 190 [2021-08-26 08:45:29,133 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:45:29,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-08-26 08:45:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2021-08-26 08:45:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2021-08-26 08:45:29,148 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2021-08-26 08:45:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,149 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2021-08-26 08:45:29,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-08-26 08:45:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:29,150 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,150 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:45:29,151 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1220769632, now seen corresponding path program 1 times [2021-08-26 08:45:29,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592088313] [2021-08-26 08:45:29,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592088313] [2021-08-26 08:45:29,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592088313] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:29,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135202261] [2021-08-26 08:45:29,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:45:29,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:45:29,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:45:29,208 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,239 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2021-08-26 08:45:29,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:45:29,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:29,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,240 INFO L225 Difference]: With dead ends: 177 [2021-08-26 08:45:29,241 INFO L226 Difference]: Without dead ends: 108 [2021-08-26 08:45:29,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-08-26 08:45:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2021-08-26 08:45:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2021-08-26 08:45:29,251 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2021-08-26 08:45:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,252 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2021-08-26 08:45:29,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2021-08-26 08:45:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:29,255 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,255 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:45:29,256 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1807575646, now seen corresponding path program 1 times [2021-08-26 08:45:29,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194397632] [2021-08-26 08:45:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194397632] [2021-08-26 08:45:29,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194397632] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:29,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826514598] [2021-08-26 08:45:29,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:29,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:29,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:29,300 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,320 INFO L93 Difference]: Finished difference Result 212 states and 286 transitions. [2021-08-26 08:45:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:29,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 08:45:29,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,322 INFO L225 Difference]: With dead ends: 212 [2021-08-26 08:45:29,322 INFO L226 Difference]: Without dead ends: 139 [2021-08-26 08:45:29,323 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:29,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-08-26 08:45:29,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2021-08-26 08:45:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.338235294117647) internal successors, (182), 136 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 182 transitions. [2021-08-26 08:45:29,331 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 182 transitions. Word has length 34 [2021-08-26 08:45:29,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,331 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 182 transitions. [2021-08-26 08:45:29,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 182 transitions. [2021-08-26 08:45:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-26 08:45:29,333 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:45:29,333 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1091445474, now seen corresponding path program 1 times [2021-08-26 08:45:29,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258920019] [2021-08-26 08:45:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258920019] [2021-08-26 08:45:29,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258920019] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:29,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533521501] [2021-08-26 08:45:29,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:45:29,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:45:29,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:29,431 INFO L87 Difference]: Start difference. First operand 137 states and 182 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,621 INFO L93 Difference]: Finished difference Result 480 states and 650 transitions. [2021-08-26 08:45:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:45:29,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-26 08:45:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,624 INFO L225 Difference]: With dead ends: 480 [2021-08-26 08:45:29,624 INFO L226 Difference]: Without dead ends: 350 [2021-08-26 08:45:29,625 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 70.1ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:45:29,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-08-26 08:45:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 139. [2021-08-26 08:45:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.3043478260869565) internal successors, (180), 138 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 180 transitions. [2021-08-26 08:45:29,635 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 180 transitions. Word has length 35 [2021-08-26 08:45:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,635 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 180 transitions. [2021-08-26 08:45:29,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 180 transitions. [2021-08-26 08:45:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-26 08:45:29,637 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,637 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:45:29,637 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,638 INFO L82 PathProgramCache]: Analyzing trace with hash -365209503, now seen corresponding path program 1 times [2021-08-26 08:45:29,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232098911] [2021-08-26 08:45:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232098911] [2021-08-26 08:45:29,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232098911] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:29,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736474167] [2021-08-26 08:45:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:45:29,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:29,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:45:29,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:45:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:45:29,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:45:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:30,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736474167] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:30,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:45:30,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 08:45:30,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12991559] [2021-08-26 08:45:30,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 08:45:30,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:30,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 08:45:30,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:45:30,044 INFO L87 Difference]: Start difference. First operand 139 states and 180 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:30,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:30,290 INFO L93 Difference]: Finished difference Result 308 states and 410 transitions. [2021-08-26 08:45:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:30,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-26 08:45:30,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:30,291 INFO L225 Difference]: With dead ends: 308 [2021-08-26 08:45:30,291 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:30,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.0ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-08-26 08:45:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:30,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:30,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-08-26 08:45:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:30,293 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:30,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:45:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:30,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:30,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:30,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:30,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:30,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:45:30,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-26 08:45:30,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:30,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,909 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 301) no Hoare annotation was computed. [2021-08-26 08:45:31,909 INFO L857 garLoopResultBuilder]: For program point L301(line 301) no Hoare annotation was computed. [2021-08-26 08:45:31,909 INFO L857 garLoopResultBuilder]: For program point L301-1(line 301) no Hoare annotation was computed. [2021-08-26 08:45:31,910 INFO L857 garLoopResultBuilder]: For program point L301-2(line 301) no Hoare annotation was computed. [2021-08-26 08:45:31,910 INFO L857 garLoopResultBuilder]: For program point L500(lines 499 544) no Hoare annotation was computed. [2021-08-26 08:45:31,911 INFO L853 garLoopResultBuilder]: At program point L137(lines 128 141) the Hoare annotation is: false [2021-08-26 08:45:31,912 INFO L853 garLoopResultBuilder]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2021-08-26 08:45:31,912 INFO L853 garLoopResultBuilder]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-08-26 08:45:31,912 INFO L853 garLoopResultBuilder]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2021-08-26 08:45:31,912 INFO L853 garLoopResultBuilder]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2021-08-26 08:45:31,912 INFO L853 garLoopResultBuilder]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2021-08-26 08:45:31,912 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 505) no Hoare annotation was computed. [2021-08-26 08:45:31,912 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2021-08-26 08:45:31,913 INFO L857 garLoopResultBuilder]: For program point L535-2(lines 529 540) no Hoare annotation was computed. [2021-08-26 08:45:31,913 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2021-08-26 08:45:31,914 INFO L853 garLoopResultBuilder]: At program point L172-1(lines 1 953) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse7 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse8 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse11 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse7 .cse4 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse7 .cse4 .cse8 .cse9 .cse10 .cse11 .cse5))) [2021-08-26 08:45:31,914 INFO L857 garLoopResultBuilder]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2021-08-26 08:45:31,914 INFO L853 garLoopResultBuilder]: At program point L172-3(lines 1 953) the Hoare annotation is: false [2021-08-26 08:45:31,914 INFO L857 garLoopResultBuilder]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2021-08-26 08:45:31,914 INFO L853 garLoopResultBuilder]: At program point L172-5(lines 1 953) the Hoare annotation is: false [2021-08-26 08:45:31,914 INFO L853 garLoopResultBuilder]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2021-08-26 08:45:31,915 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-08-26 08:45:31,915 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 301) no Hoare annotation was computed. [2021-08-26 08:45:31,915 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 186) no Hoare annotation was computed. [2021-08-26 08:45:31,915 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 186) no Hoare annotation was computed. [2021-08-26 08:45:31,915 INFO L857 garLoopResultBuilder]: For program point L176-4(lines 176 186) no Hoare annotation was computed. [2021-08-26 08:45:31,916 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 214) no Hoare annotation was computed. [2021-08-26 08:45:31,916 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-08-26 08:45:31,916 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2021-08-26 08:45:31,916 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 183) no Hoare annotation was computed. [2021-08-26 08:45:31,916 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 183) no Hoare annotation was computed. [2021-08-26 08:45:31,917 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 393) no Hoare annotation was computed. [2021-08-26 08:45:31,917 INFO L857 garLoopResultBuilder]: For program point L376-1(lines 376 393) no Hoare annotation was computed. [2021-08-26 08:45:31,918 INFO L857 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2021-08-26 08:45:31,918 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-08-26 08:45:31,918 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 515) no Hoare annotation was computed. [2021-08-26 08:45:31,918 INFO L853 garLoopResultBuilder]: At program point L509-1(lines 509 515) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse5))) [2021-08-26 08:45:31,918 INFO L853 garLoopResultBuilder]: At program point L576(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-08-26 08:45:31,918 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-5(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-6(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-8(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-9(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,919 INFO L857 garLoopResultBuilder]: For program point L478-11(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,920 INFO L857 garLoopResultBuilder]: For program point L478-12(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,921 INFO L857 garLoopResultBuilder]: For program point L478-14(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,921 INFO L857 garLoopResultBuilder]: For program point L478-15(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,921 INFO L857 garLoopResultBuilder]: For program point L478-17(lines 478 482) no Hoare annotation was computed. [2021-08-26 08:45:31,921 INFO L853 garLoopResultBuilder]: At program point L545(lines 498 546) the Hoare annotation is: false [2021-08-26 08:45:31,921 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 388) no Hoare annotation was computed. [2021-08-26 08:45:31,921 INFO L857 garLoopResultBuilder]: For program point L380-1(lines 380 388) no Hoare annotation was computed. [2021-08-26 08:45:31,922 INFO L857 garLoopResultBuilder]: For program point L380-2(lines 380 388) no Hoare annotation was computed. [2021-08-26 08:45:31,922 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 290) no Hoare annotation was computed. [2021-08-26 08:45:31,922 INFO L860 garLoopResultBuilder]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2021-08-26 08:45:31,922 INFO L853 garLoopResultBuilder]: At program point L151(lines 146 153) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 367) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point L350-1(lines 350 367) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point L350-2(lines 350 367) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point L350-3(lines 350 367) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point L350-4(lines 350 367) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L857 garLoopResultBuilder]: For program point L350-5(lines 350 367) no Hoare annotation was computed. [2021-08-26 08:45:31,923 INFO L853 garLoopResultBuilder]: At program point L318(lines 314 336) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-08-26 08:45:31,924 INFO L853 garLoopResultBuilder]: At program point L318-1(lines 314 336) the Hoare annotation is: false [2021-08-26 08:45:31,924 INFO L853 garLoopResultBuilder]: At program point L318-2(lines 314 336) the Hoare annotation is: false [2021-08-26 08:45:31,924 INFO L853 garLoopResultBuilder]: At program point L484(lines 469 487) the Hoare annotation is: false [2021-08-26 08:45:31,924 INFO L853 garLoopResultBuilder]: At program point L484-1(lines 469 487) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 (<= ~waterLevel~0 2)) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse4))) [2021-08-26 08:45:31,925 INFO L853 garLoopResultBuilder]: At program point L484-2(lines 469 487) the Hoare annotation is: false [2021-08-26 08:45:31,925 INFO L853 garLoopResultBuilder]: At program point L484-3(lines 469 487) the Hoare annotation is: false [2021-08-26 08:45:31,925 INFO L853 garLoopResultBuilder]: At program point L484-4(lines 469 487) the Hoare annotation is: false [2021-08-26 08:45:31,925 INFO L853 garLoopResultBuilder]: At program point L484-5(lines 469 487) the Hoare annotation is: false [2021-08-26 08:45:31,925 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:45:31,926 INFO L857 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:45:31,926 INFO L857 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:45:31,926 INFO L853 garLoopResultBuilder]: At program point L584(lines 579 587) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-08-26 08:45:31,926 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 525) no Hoare annotation was computed. [2021-08-26 08:45:31,926 INFO L853 garLoopResultBuilder]: At program point L519-1(lines 519 525) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse5))) [2021-08-26 08:45:31,926 INFO L853 garLoopResultBuilder]: At program point L420(lines 413 423) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-08-26 08:45:31,926 INFO L853 garLoopResultBuilder]: At program point L420-1(lines 413 423) the Hoare annotation is: false [2021-08-26 08:45:31,927 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 362) no Hoare annotation was computed. [2021-08-26 08:45:31,927 INFO L853 garLoopResultBuilder]: At program point L420-2(lines 413 423) the Hoare annotation is: false [2021-08-26 08:45:31,927 INFO L857 garLoopResultBuilder]: For program point L354-1(lines 354 362) no Hoare annotation was computed. [2021-08-26 08:45:31,927 INFO L857 garLoopResultBuilder]: For program point L354-2(lines 354 362) no Hoare annotation was computed. [2021-08-26 08:45:31,927 INFO L853 garLoopResultBuilder]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-08-26 08:45:31,927 INFO L857 garLoopResultBuilder]: For program point L354-3(lines 354 362) no Hoare annotation was computed. [2021-08-26 08:45:31,927 INFO L857 garLoopResultBuilder]: For program point L354-4(lines 354 362) no Hoare annotation was computed. [2021-08-26 08:45:31,928 INFO L857 garLoopResultBuilder]: For program point L354-5(lines 354 362) no Hoare annotation was computed. [2021-08-26 08:45:31,928 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,928 INFO L853 garLoopResultBuilder]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4 .cse7 .cse8 .cse9 .cse5))) [2021-08-26 08:45:31,928 INFO L853 garLoopResultBuilder]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-08-26 08:45:31,928 INFO L853 garLoopResultBuilder]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-08-26 08:45:31,928 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-08-26 08:45:31,928 INFO L853 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-08-26 08:45:31,929 INFO L853 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-08-26 08:45:31,929 INFO L853 garLoopResultBuilder]: At program point L325(lines 325 331) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2021-08-26 08:45:31,929 INFO L853 garLoopResultBuilder]: At program point L325-1(lines 325 331) the Hoare annotation is: false [2021-08-26 08:45:31,929 INFO L860 garLoopResultBuilder]: At program point L292(lines 273 295) the Hoare annotation is: true [2021-08-26 08:45:31,929 INFO L853 garLoopResultBuilder]: At program point L325-2(lines 325 331) the Hoare annotation is: false [2021-08-26 08:45:31,930 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,930 INFO L853 garLoopResultBuilder]: At program point L161(lines 318 324) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-08-26 08:45:31,931 INFO L853 garLoopResultBuilder]: At program point L161-1(lines 318 324) the Hoare annotation is: false [2021-08-26 08:45:31,932 INFO L853 garLoopResultBuilder]: At program point L161-2(lines 318 324) the Hoare annotation is: false [2021-08-26 08:45:31,932 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,932 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 301) no Hoare annotation was computed. [2021-08-26 08:45:31,932 INFO L853 garLoopResultBuilder]: At program point L429(lines 424 432) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) .cse5 .cse6))) [2021-08-26 08:45:31,932 INFO L853 garLoopResultBuilder]: At program point L429-1(lines 424 432) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~switchedOnBeforeTS~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4))) [2021-08-26 08:45:31,932 INFO L853 garLoopResultBuilder]: At program point L429-2(lines 424 432) the Hoare annotation is: false [2021-08-26 08:45:31,933 INFO L853 garLoopResultBuilder]: At program point L429-3(lines 424 432) the Hoare annotation is: false [2021-08-26 08:45:31,933 INFO L853 garLoopResultBuilder]: At program point L429-4(lines 424 432) the Hoare annotation is: false [2021-08-26 08:45:31,933 INFO L853 garLoopResultBuilder]: At program point L429-5(lines 424 432) the Hoare annotation is: false [2021-08-26 08:45:31,933 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:45:31,933 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:45:31,933 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:45:31,933 INFO L857 garLoopResultBuilder]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:45:31,933 INFO L857 garLoopResultBuilder]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:45:31,934 INFO L857 garLoopResultBuilder]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2021-08-26 08:45:31,934 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 540) no Hoare annotation was computed. [2021-08-26 08:45:31,934 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-26 08:45:31,937 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:31,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:31 BoogieIcfgContainer [2021-08-26 08:45:31,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:31,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:31,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:31,969 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:31,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:28" (3/4) ... [2021-08-26 08:45:31,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:31,986 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:31,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:31,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:31,988 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:31,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:31,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:31,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:32,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && waterLevel <= 1) && 1 == systemActive [2021-08-26 08:45:32,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive [2021-08-26 08:45:32,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive [2021-08-26 08:45:32,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp)) || ((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1) [2021-08-26 08:45:32,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1) [2021-08-26 08:45:32,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1) [2021-08-26 08:45:32,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:32,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:32,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) [2021-08-26 08:45:32,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-08-26 08:45:32,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result)) || ((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1) [2021-08-26 08:45:32,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 [2021-08-26 08:45:32,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 [2021-08-26 08:45:32,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == 1) && 1 == systemActive) [2021-08-26 08:45:32,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == 0) && 1 == systemActive) [2021-08-26 08:45:32,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == 0) && 1 == systemActive) [2021-08-26 08:45:32,052 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:32,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:32,054 INFO L168 Benchmark]: Toolchain (without parser) took 5168.40 ms. Allocated memory was 65.0 MB in the beginning and 159.4 MB in the end (delta: 94.4 MB). Free memory was 43.9 MB in the beginning and 98.5 MB in the end (delta: -54.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,054 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory was 45.3 MB in the beginning and 45.2 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:32,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.91 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 39.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 35.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,055 INFO L168 Benchmark]: Boogie Preprocessor took 34.53 ms. Allocated memory is still 65.0 MB. Free memory was 35.9 MB in the beginning and 33.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,055 INFO L168 Benchmark]: RCFGBuilder took 729.85 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 33.3 MB in the beginning and 58.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,055 INFO L168 Benchmark]: TraceAbstraction took 3865.19 ms. Allocated memory was 90.2 MB in the beginning and 159.4 MB in the end (delta: 69.2 MB). Free memory was 58.1 MB in the beginning and 109.0 MB in the end (delta: -50.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,056 INFO L168 Benchmark]: Witness Printer took 84.11 ms. Allocated memory is still 159.4 MB. Free memory was 109.0 MB in the beginning and 98.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:32,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory was 45.3 MB in the beginning and 45.2 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.91 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 39.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.27 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 35.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.53 ms. Allocated memory is still 65.0 MB. Free memory was 35.9 MB in the beginning and 33.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 729.85 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 33.3 MB in the beginning and 58.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3865.19 ms. Allocated memory was 90.2 MB in the beginning and 159.4 MB in the end (delta: 69.2 MB). Free memory was 58.1 MB in the beginning and 109.0 MB in the end (delta: -50.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 16.1 GB. * Witness Printer took 84.11 ms. Allocated memory is still 159.4 MB. Free memory was 109.0 MB in the beginning and 98.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 301]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 301]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 301]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3795.6ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 18.8ms, AutomataDifference: 850.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1386.9ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 996 SDtfs, 1221 SDslu, 1314 SDs, 0 SdLazy, 238 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 438.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 203.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 98.9ms AutomataMinimizationTime, 10 MinimizatonAttempts, 406 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 115 NumberOfFragments, 889 HoareAnnotationTreeSize, 49 FomulaSimplifications, 22749 FormulaSimplificationTreeSizeReduction, 194.6ms HoareSimplificationTime, 49 FomulaSimplificationsInter, 8105 FormulaSimplificationTreeSizeReductionInter, 1179.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 63.0ms SsaConstructionTime, 277.2ms SatisfiabilityAnalysisTime, 623.4ms InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 773 SizeOfPredicates, 3 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == 1) && 1 == systemActive) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result)) || ((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp)) || ((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1) - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel <= 2) || (((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && \result == 1) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:32,106 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...