./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product33.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 7c9c699b8f4baa8342fdac40487e4f330549e95c 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:54:39,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:54:39,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:54:39,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:54:39,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:54:39,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:54:39,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:54:39,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:54:39,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:54:39,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:54:39,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:54:39,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:54:39,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:54:39,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:54:39,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:54:39,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:54:39,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:54:39,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:54:39,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:54:39,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:54:39,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:54:39,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:54:39,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:54:39,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:54:39,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:54:39,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:54:39,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:54:39,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:54:39,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:54:39,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:54:39,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:54:39,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:54:39,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:54:39,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:54:39,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:54:39,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:54:39,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:54:39,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:54:39,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:54:39,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:54:39,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:54:39,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:54:39,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:54:39,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:54:39,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:54:39,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:54:39,884 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:54:39,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:54:39,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:54:39,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:54:39,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:54:39,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:54:39,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:54:39,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:54:39,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:54:39,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:54:39,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:54:39,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:54:39,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:54:39,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:54:39,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:54:39,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:54:39,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:54:39,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c9c699b8f4baa8342fdac40487e4f330549e95c [2021-07-05 09:54:40,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:54:40,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:54:40,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:54:40,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:54:40,157 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:54:40,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-07-05 09:54:40,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761271d38/a21dd00315ec4c5c82c0e8ec1b663424/FLAGf194957ec [2021-07-05 09:54:40,550 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:54:40,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-07-05 09:54:40,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761271d38/a21dd00315ec4c5c82c0e8ec1b663424/FLAGf194957ec [2021-07-05 09:54:40,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761271d38/a21dd00315ec4c5c82c0e8ec1b663424 [2021-07-05 09:54:40,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:54:40,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:54:40,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:54:40,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:54:40,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:54:40,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:54:40" (1/1) ... [2021-07-05 09:54:40,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b81423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:40, skipping insertion in model container [2021-07-05 09:54:40,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:54:40" (1/1) ... [2021-07-05 09:54:40,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:54:40,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:54:41,173 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13664,13677] [2021-07-05 09:54:41,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:54:41,223 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:54:41,255 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13664,13677] [2021-07-05 09:54:41,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:54:41,281 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:54:41,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41 WrapperNode [2021-07-05 09:54:41,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:54:41,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:54:41,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:54:41,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:54:41,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:54:41,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:54:41,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:54:41,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:54:41,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:54:41,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:54:41,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:54:41,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:54:41,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (1/1) ... [2021-07-05 09:54:41,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:54:41,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:54:41,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 09:54:41,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 09:54:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:54:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:54:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:54:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:54:42,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:54:42,095 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-07-05 09:54:42,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:54:42 BoogieIcfgContainer [2021-07-05 09:54:42,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:54:42,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:54:42,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:54:42,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:54:42,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:54:40" (1/3) ... [2021-07-05 09:54:42,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657233bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:54:42, skipping insertion in model container [2021-07-05 09:54:42,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:41" (2/3) ... [2021-07-05 09:54:42,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657233bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:54:42, skipping insertion in model container [2021-07-05 09:54:42,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:54:42" (3/3) ... [2021-07-05 09:54:42,102 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-07-05 09:54:42,107 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:54:42,107 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:54:42,140 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:54:42,144 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:54:42,144 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:54:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:54:42,159 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,159 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,159 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,164 INFO L82 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2021-07-05 09:54:42,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778756979] [2021-07-05 09:54:42,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:42,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:42,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778756979] [2021-07-05 09:54:42,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778756979] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:42,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:42,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:54:42,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974055372] [2021-07-05 09:54:42,349 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:54:42,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:42,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:54:42,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:42,359 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 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 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:42,382 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-07-05 09:54:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:54:42,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-07-05 09:54:42,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:42,389 INFO L225 Difference]: With dead ends: 162 [2021-07-05 09:54:42,389 INFO L226 Difference]: Without dead ends: 36 [2021-07-05 09:54:42,391 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-07-05 09:54:42,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-07-05 09:54:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-07-05 09:54:42,422 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-07-05 09:54:42,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:42,422 INFO L442 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-07-05 09:54:42,422 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-07-05 09:54:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:54:42,423 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,423 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,424 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:54:42,424 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,425 INFO L82 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2021-07-05 09:54:42,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311644676] [2021-07-05 09:54:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:42,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:42,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311644676] [2021-07-05 09:54:42,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311644676] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:42,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:42,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:54:42,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139291198] [2021-07-05 09:54:42,494 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:54:42,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:42,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:54:42,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:42,495 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:42,509 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-07-05 09:54:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:54:42,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-07-05 09:54:42,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:42,510 INFO L225 Difference]: With dead ends: 89 [2021-07-05 09:54:42,510 INFO L226 Difference]: Without dead ends: 59 [2021-07-05 09:54:42,511 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:42,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-07-05 09:54:42,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-07-05 09:54:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-07-05 09:54:42,516 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-07-05 09:54:42,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:42,517 INFO L442 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-07-05 09:54:42,517 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,517 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-07-05 09:54:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-07-05 09:54:42,518 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,518 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,518 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:54:42,518 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2021-07-05 09:54:42,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370504644] [2021-07-05 09:54:42,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:42,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:42,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370504644] [2021-07-05 09:54:42,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370504644] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:42,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:42,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 09:54:42,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686935205] [2021-07-05 09:54:42,599 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:54:42,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:42,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:54:42,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:54:42,600 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:42,633 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-07-05 09:54:42,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 09:54:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-07-05 09:54:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:42,635 INFO L225 Difference]: With dead ends: 149 [2021-07-05 09:54:42,635 INFO L226 Difference]: Without dead ends: 98 [2021-07-05 09:54:42,635 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:54:42,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-07-05 09:54:42,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-07-05 09:54:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-07-05 09:54:42,641 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-07-05 09:54:42,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:42,641 INFO L442 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-07-05 09:54:42,642 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-07-05 09:54:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-07-05 09:54:42,642 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,642 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,643 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 09:54:42,643 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2021-07-05 09:54:42,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747335593] [2021-07-05 09:54:42,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:54:42,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:42,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:42,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747335593] [2021-07-05 09:54:42,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747335593] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:42,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:42,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:54:42,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135953050] [2021-07-05 09:54:42,699 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:54:42,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:42,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:54:42,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:54:42,700 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:42,770 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2021-07-05 09:54:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 09:54:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-07-05 09:54:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:42,773 INFO L225 Difference]: With dead ends: 314 [2021-07-05 09:54:42,773 INFO L226 Difference]: Without dead ends: 260 [2021-07-05 09:54:42,773 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:54:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-07-05 09:54:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-07-05 09:54:42,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.3714285714285714) internal successors, (144), 105 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2021-07-05 09:54:42,785 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2021-07-05 09:54:42,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:42,785 INFO L442 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2021-07-05 09:54:42,785 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2021-07-05 09:54:42,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-05 09:54:42,786 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,787 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,787 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-05 09:54:42,787 INFO L374 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2111743067, now seen corresponding path program 1 times [2021-07-05 09:54:42,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723931445] [2021-07-05 09:54:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:54:42,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:42,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:42,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723931445] [2021-07-05 09:54:42,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723931445] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:42,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:42,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:54:42,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664006854] [2021-07-05 09:54:42,827 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 09:54:42,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:42,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 09:54:42,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 09:54:42,828 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:42,882 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2021-07-05 09:54:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 09:54:42,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-07-05 09:54:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:42,884 INFO L225 Difference]: With dead ends: 212 [2021-07-05 09:54:42,884 INFO L226 Difference]: Without dead ends: 158 [2021-07-05 09:54:42,884 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 09:54:42,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-07-05 09:54:42,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-07-05 09:54:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3766233766233766) internal successors, (212), 154 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2021-07-05 09:54:42,893 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2021-07-05 09:54:42,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:42,894 INFO L442 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2021-07-05 09:54:42,894 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-07-05 09:54:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-05 09:54:42,895 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,895 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,895 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-05 09:54:42,895 INFO L374 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2021-07-05 09:54:42,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291702064] [2021-07-05 09:54:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:42,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:42,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:42,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291702064] [2021-07-05 09:54:42,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291702064] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:42,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:42,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:54:42,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029876150] [2021-07-05 09:54:42,931 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 09:54:42,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:42,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 09:54:42,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 09:54:42,932 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:42,952 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2021-07-05 09:54:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:54:42,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-07-05 09:54:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:42,953 INFO L225 Difference]: With dead ends: 350 [2021-07-05 09:54:42,953 INFO L226 Difference]: Without dead ends: 246 [2021-07-05 09:54:42,954 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:54:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-07-05 09:54:42,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2021-07-05 09:54:42,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 151 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-07-05 09:54:42,962 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-07-05 09:54:42,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:42,962 INFO L442 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-07-05 09:54:42,962 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-07-05 09:54:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-05 09:54:42,963 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:42,963 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:42,964 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-05 09:54:42,964 INFO L374 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:42,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:42,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2021-07-05 09:54:42,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:42,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247807157] [2021-07-05 09:54:42,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:42,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:42,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:42,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:43,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:43,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:54:43,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:43,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:43,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247807157] [2021-07-05 09:54:43,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247807157] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:43,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:43,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 09:54:43,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090916731] [2021-07-05 09:54:43,011 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:54:43,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:43,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:54:43,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:54:43,012 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:43,079 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2021-07-05 09:54:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:54:43,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-07-05 09:54:43,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:43,081 INFO L225 Difference]: With dead ends: 325 [2021-07-05 09:54:43,081 INFO L226 Difference]: Without dead ends: 63 [2021-07-05 09:54:43,081 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:54:43,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-07-05 09:54:43,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2021-07-05 09:54:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 59 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2021-07-05 09:54:43,085 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2021-07-05 09:54:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:43,085 INFO L442 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2021-07-05 09:54:43,085 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-07-05 09:54:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-07-05 09:54:43,086 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:43,086 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:43,086 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-05 09:54:43,087 INFO L374 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:43,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:43,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2021-07-05 09:54:43,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:43,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044900615] [2021-07-05 09:54:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:43,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:43,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:43,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:54:43,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:54:43,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 09:54:43,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:43,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:43,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044900615] [2021-07-05 09:54:43,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044900615] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:43,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:43,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-05 09:54:43,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175788332] [2021-07-05 09:54:43,129 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 09:54:43,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:43,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 09:54:43,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-05 09:54:43,130 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:43,163 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-07-05 09:54:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 09:54:43,163 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 32 [2021-07-05 09:54:43,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:43,164 INFO L225 Difference]: With dead ends: 103 [2021-07-05 09:54:43,164 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:54:43,164 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-05 09:54:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:54:43,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:54:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:54:43,165 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-07-05 09:54:43,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:43,165 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:54:43,165 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:54:43,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:54:43,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:54:43,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,538 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,539 INFO L758 garLoopResultBuilder]: At program point L696(lines 695 714) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1))) [2021-07-05 09:54:43,539 INFO L762 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,539 INFO L758 garLoopResultBuilder]: At program point L696-2(lines 695 714) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,539 INFO L758 garLoopResultBuilder]: At program point L696-3(lines 695 714) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,539 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,539 INFO L762 garLoopResultBuilder]: For program point L631(lines 630 675) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L615(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L615-2(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,540 INFO L762 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-07-05 09:54:43,541 INFO L762 garLoopResultBuilder]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,541 INFO L762 garLoopResultBuilder]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,541 INFO L758 garLoopResultBuilder]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) [2021-07-05 09:54:43,541 INFO L758 garLoopResultBuilder]: At program point L781-1(lines 776 784) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,541 INFO L758 garLoopResultBuilder]: At program point L781-2(lines 776 784) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,541 INFO L758 garLoopResultBuilder]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1))) [2021-07-05 09:54:43,541 INFO L758 garLoopResultBuilder]: At program point L137-1(lines 128 141) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,542 INFO L758 garLoopResultBuilder]: At program point L137-2(lines 128 141) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,542 INFO L758 garLoopResultBuilder]: At program point L897(lines 1 908) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,542 INFO L762 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,542 INFO L762 garLoopResultBuilder]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,542 INFO L762 garLoopResultBuilder]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-07-05 09:54:43,542 INFO L762 garLoopResultBuilder]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,542 INFO L762 garLoopResultBuilder]: For program point L666-2(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,542 INFO L762 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,543 INFO L762 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,543 INFO L762 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,543 INFO L758 garLoopResultBuilder]: At program point L204(lines 200 206) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,543 INFO L762 garLoopResultBuilder]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-07-05 09:54:43,543 INFO L758 garLoopResultBuilder]: At program point L650-1(lines 650 656) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1))) [2021-07-05 09:54:43,543 INFO L758 garLoopResultBuilder]: At program point L155-2(lines 155 169) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,543 INFO L762 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-07-05 09:54:43,544 INFO L762 garLoopResultBuilder]: For program point L850(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,544 INFO L762 garLoopResultBuilder]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,544 INFO L762 garLoopResultBuilder]: For program point L850-4(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,544 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,544 INFO L758 garLoopResultBuilder]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (= |ULTIMATE.start_getWaterLevel_#res| 1) .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)))) [2021-07-05 09:54:43,544 INFO L758 garLoopResultBuilder]: At program point L124-1(lines 119 127) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,544 INFO L758 garLoopResultBuilder]: At program point L124-2(lines 119 127) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,544 INFO L758 garLoopResultBuilder]: At program point L240(lines 221 243) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,545 INFO L758 garLoopResultBuilder]: At program point L703(lines 703 709) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)))) [2021-07-05 09:54:43,545 INFO L758 garLoopResultBuilder]: At program point L703-1(lines 703 709) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,545 INFO L758 garLoopResultBuilder]: At program point L703-2(lines 703 709) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,545 INFO L758 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)))) [2021-07-05 09:54:43,545 INFO L758 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,545 INFO L758 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,545 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,546 INFO L758 garLoopResultBuilder]: At program point L836(lines 821 839) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not .cse2) (not .cse0) .cse4 .cse5))) [2021-07-05 09:54:43,546 INFO L758 garLoopResultBuilder]: At program point L836-1(lines 821 839) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,546 INFO L758 garLoopResultBuilder]: At program point L836-2(lines 821 839) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,546 INFO L762 garLoopResultBuilder]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-07-05 09:54:43,546 INFO L762 garLoopResultBuilder]: For program point L159-1(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,546 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,546 INFO L762 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-07-05 09:54:43,547 INFO L758 garLoopResultBuilder]: At program point L640-1(lines 640 646) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1))) [2021-07-05 09:54:43,547 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-07-05 09:54:43,547 INFO L758 garLoopResultBuilder]: At program point L905(lines 900 908) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,547 INFO L762 garLoopResultBuilder]: For program point L856(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,547 INFO L758 garLoopResultBuilder]: At program point L856-1(lines 1 908) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ~waterLevel~0 1) (= ~pumpRunning~0 0)))) [2021-07-05 09:54:43,547 INFO L762 garLoopResultBuilder]: For program point L856-2(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,547 INFO L758 garLoopResultBuilder]: At program point L856-3(lines 1 908) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,548 INFO L762 garLoopResultBuilder]: For program point L856-4(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,548 INFO L758 garLoopResultBuilder]: At program point L856-5(lines 1 908) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,548 INFO L758 garLoopResultBuilder]: At program point L676(lines 629 677) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,548 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,548 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,548 INFO L762 garLoopResultBuilder]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-07-05 09:54:43,548 INFO L762 garLoopResultBuilder]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-07-05 09:54:43,548 INFO L758 garLoopResultBuilder]: At program point L231-1(lines 231 238) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,549 INFO L762 garLoopResultBuilder]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,550 INFO L762 garLoopResultBuilder]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,550 INFO L762 garLoopResultBuilder]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,550 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-05 09:54:43,550 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:54:43,553 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:54:43,555 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:54:43,555 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:54:43,555 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:54:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 09:54:43,557 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:43,557 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:43,557 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:43,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1284074395, now seen corresponding path program 1 times [2021-07-05 09:54:43,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:43,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792082269] [2021-07-05 09:54:43,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:43,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:43,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:43,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:43,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792082269] [2021-07-05 09:54:43,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792082269] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:43,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:43,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:54:43,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625573672] [2021-07-05 09:54:43,577 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:54:43,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:43,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:54:43,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:54:43,578 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:43,579 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-07-05 09:54:43,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:54:43,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-07-05 09:54:43,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:43,580 INFO L225 Difference]: With dead ends: 162 [2021-07-05 09:54:43,580 INFO L226 Difference]: Without dead ends: 54 [2021-07-05 09:54:43,581 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:54:43,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-07-05 09:54:43,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-07-05 09:54:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 53 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2021-07-05 09:54:43,582 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 18 [2021-07-05 09:54:43,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:43,582 INFO L442 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2021-07-05 09:54:43,582 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2021-07-05 09:54:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-05 09:54:43,583 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:43,583 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:43,583 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-07-05 09:54:43,583 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash 373043642, now seen corresponding path program 1 times [2021-07-05 09:54:43,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:43,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255229555] [2021-07-05 09:54:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:43,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:43,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:43,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:43,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:43,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255229555] [2021-07-05 09:54:43,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255229555] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:43,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:43,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:54:43,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560001200] [2021-07-05 09:54:43,605 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:54:43,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:54:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:43,606 INFO L87 Difference]: Start difference. First operand 54 states and 76 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-07-05 09:54:43,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:43,608 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2021-07-05 09:54:43,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:54:43,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2021-07-05 09:54:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:43,608 INFO L225 Difference]: With dead ends: 54 [2021-07-05 09:54:43,608 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:54:43,609 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:43,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:54:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:54:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:54:43,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-07-05 09:54:43,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:43,610 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:54:43,610 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-07-05 09:54:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:54:43,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:54:43,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:54:43,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,647 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,648 INFO L758 garLoopResultBuilder]: At program point L696(lines 695 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,648 INFO L762 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,648 INFO L758 garLoopResultBuilder]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2021-07-05 09:54:43,648 INFO L758 garLoopResultBuilder]: At program point L696-3(lines 695 714) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,648 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,648 INFO L762 garLoopResultBuilder]: For program point L631(lines 630 675) no Hoare annotation was computed. [2021-07-05 09:54:43,648 INFO L762 garLoopResultBuilder]: For program point L615(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,648 INFO L762 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,648 INFO L762 garLoopResultBuilder]: For program point L615-2(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L762 garLoopResultBuilder]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,649 INFO L758 garLoopResultBuilder]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) [2021-07-05 09:54:43,650 INFO L758 garLoopResultBuilder]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-07-05 09:54:43,650 INFO L758 garLoopResultBuilder]: At program point L781-2(lines 776 784) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,650 INFO L758 garLoopResultBuilder]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,650 INFO L758 garLoopResultBuilder]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2021-07-05 09:54:43,650 INFO L758 garLoopResultBuilder]: At program point L137-2(lines 128 141) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,650 INFO L758 garLoopResultBuilder]: At program point L897(lines 1 908) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,650 INFO L762 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,650 INFO L762 garLoopResultBuilder]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,650 INFO L762 garLoopResultBuilder]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-07-05 09:54:43,651 INFO L762 garLoopResultBuilder]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,651 INFO L762 garLoopResultBuilder]: For program point L666-2(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,651 INFO L762 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,651 INFO L762 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,651 INFO L762 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,651 INFO L758 garLoopResultBuilder]: At program point L204(lines 200 206) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,651 INFO L762 garLoopResultBuilder]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-07-05 09:54:43,652 INFO L758 garLoopResultBuilder]: At program point L650-1(lines 650 656) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,652 INFO L758 garLoopResultBuilder]: At program point L155-2(lines 155 169) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,652 INFO L762 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-07-05 09:54:43,652 INFO L762 garLoopResultBuilder]: For program point L850(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,652 INFO L762 garLoopResultBuilder]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,652 INFO L762 garLoopResultBuilder]: For program point L850-4(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,652 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,652 INFO L758 garLoopResultBuilder]: At program point L124(lines 119 127) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (= |ULTIMATE.start_getWaterLevel_#res| 1) .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,652 INFO L758 garLoopResultBuilder]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L124-2(lines 119 127) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L240(lines 221 243) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L703(lines 703 709) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L703-2(lines 703 709) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,653 INFO L758 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-07-05 09:54:43,654 INFO L758 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,654 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,654 INFO L758 garLoopResultBuilder]: At program point L836(lines 821 839) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse3 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not .cse2) (not .cse0) .cse4 .cse5)))) [2021-07-05 09:54:43,654 INFO L758 garLoopResultBuilder]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2021-07-05 09:54:43,654 INFO L758 garLoopResultBuilder]: At program point L836-2(lines 821 839) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,654 INFO L762 garLoopResultBuilder]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-07-05 09:54:43,654 INFO L762 garLoopResultBuilder]: For program point L159-1(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,654 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,655 INFO L762 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-07-05 09:54:43,655 INFO L758 garLoopResultBuilder]: At program point L640-1(lines 640 646) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,655 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-07-05 09:54:43,655 INFO L758 garLoopResultBuilder]: At program point L905(lines 900 908) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,655 INFO L762 garLoopResultBuilder]: For program point L856(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,655 INFO L758 garLoopResultBuilder]: At program point L856-1(lines 1 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,655 INFO L762 garLoopResultBuilder]: For program point L856-2(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,655 INFO L758 garLoopResultBuilder]: At program point L856-3(lines 1 908) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,655 INFO L762 garLoopResultBuilder]: For program point L856-4(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,656 INFO L758 garLoopResultBuilder]: At program point L856-5(lines 1 908) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,656 INFO L758 garLoopResultBuilder]: At program point L676(lines 629 677) the Hoare annotation is: false [2021-07-05 09:54:43,656 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,656 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,656 INFO L762 garLoopResultBuilder]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-07-05 09:54:43,656 INFO L762 garLoopResultBuilder]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-07-05 09:54:43,656 INFO L758 garLoopResultBuilder]: At program point L231-1(lines 231 238) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,656 INFO L762 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,663 INFO L762 garLoopResultBuilder]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,664 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-07-05 09:54:43,664 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:54:43,664 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:54:43,665 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:54:43,665 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:54:43,666 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:54:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-07-05 09:54:43,667 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:43,667 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:43,667 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:43,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:43,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1804536489, now seen corresponding path program 1 times [2021-07-05 09:54:43,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:43,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343629306] [2021-07-05 09:54:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:43,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:43,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:43,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:43,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343629306] [2021-07-05 09:54:43,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343629306] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:43,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:43,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:54:43,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339351245] [2021-07-05 09:54:43,684 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:54:43,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:43,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:54:43,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:54:43,685 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 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 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:43,686 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-07-05 09:54:43,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:54:43,686 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-07-05 09:54:43,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:43,687 INFO L225 Difference]: With dead ends: 162 [2021-07-05 09:54:43,687 INFO L226 Difference]: Without dead ends: 76 [2021-07-05 09:54:43,687 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:54:43,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-07-05 09:54:43,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-07-05 09:54:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 75 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 110 transitions. [2021-07-05 09:54:43,689 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 110 transitions. Word has length 27 [2021-07-05 09:54:43,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:43,689 INFO L442 AbstractCegarLoop]: Abstraction has 76 states and 110 transitions. [2021-07-05 09:54:43,689 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2021-07-05 09:54:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-05 09:54:43,690 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:43,690 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:54:43,690 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-07-05 09:54:43,690 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:43,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:43,691 INFO L82 PathProgramCache]: Analyzing trace with hash -178150888, now seen corresponding path program 1 times [2021-07-05 09:54:43,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:43,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689423570] [2021-07-05 09:54:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:43,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:43,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:43,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:43,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:43,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:43,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689423570] [2021-07-05 09:54:43,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689423570] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:43,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:43,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:54:43,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941133461] [2021-07-05 09:54:43,711 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:54:43,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:43,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:54:43,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:43,712 INFO L87 Difference]: Start difference. First operand 76 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-07-05 09:54:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:43,713 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2021-07-05 09:54:43,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:54:43,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 [2021-07-05 09:54:43,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:43,714 INFO L225 Difference]: With dead ends: 76 [2021-07-05 09:54:43,714 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:54:43,715 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:54:43,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:54:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:54:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:54:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:54:43,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-07-05 09:54:43,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:43,716 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:54:43,716 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2021-07-05 09:54:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:54:43,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:54:43,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:54:43,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:54:43,754 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,754 INFO L758 garLoopResultBuilder]: At program point L696(lines 695 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,754 INFO L762 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,754 INFO L758 garLoopResultBuilder]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2021-07-05 09:54:43,755 INFO L758 garLoopResultBuilder]: At program point L696-3(lines 695 714) the Hoare annotation is: false [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L631(lines 630 675) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L615(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L615-2(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,755 INFO L762 garLoopResultBuilder]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,756 INFO L762 garLoopResultBuilder]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,756 INFO L762 garLoopResultBuilder]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-07-05 09:54:43,756 INFO L762 garLoopResultBuilder]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,756 INFO L762 garLoopResultBuilder]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2021-07-05 09:54:43,756 INFO L758 garLoopResultBuilder]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) [2021-07-05 09:54:43,756 INFO L758 garLoopResultBuilder]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2021-07-05 09:54:43,756 INFO L758 garLoopResultBuilder]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2021-07-05 09:54:43,756 INFO L758 garLoopResultBuilder]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,756 INFO L758 garLoopResultBuilder]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2021-07-05 09:54:43,757 INFO L758 garLoopResultBuilder]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-07-05 09:54:43,757 INFO L758 garLoopResultBuilder]: At program point L897(lines 1 908) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L666(lines 666 670) no Hoare annotation was computed. [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L666-2(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,757 INFO L762 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,758 INFO L762 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-07-05 09:54:43,758 INFO L758 garLoopResultBuilder]: At program point L204(lines 200 206) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,758 INFO L762 garLoopResultBuilder]: For program point L650(lines 650 656) no Hoare annotation was computed. [2021-07-05 09:54:43,758 INFO L758 garLoopResultBuilder]: At program point L650-1(lines 650 656) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,758 INFO L758 garLoopResultBuilder]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2021-07-05 09:54:43,758 INFO L762 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-07-05 09:54:43,758 INFO L762 garLoopResultBuilder]: For program point L850(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,758 INFO L762 garLoopResultBuilder]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,758 INFO L762 garLoopResultBuilder]: For program point L850-4(lines 850 870) no Hoare annotation was computed. [2021-07-05 09:54:43,759 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L124(lines 119 127) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (= |ULTIMATE.start_getWaterLevel_#res| 1) .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L240(lines 221 243) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L703(lines 703 709) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2021-07-05 09:54:43,759 INFO L758 garLoopResultBuilder]: At program point L703-2(lines 703 709) the Hoare annotation is: false [2021-07-05 09:54:43,760 INFO L758 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~5 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,760 INFO L758 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-07-05 09:54:43,760 INFO L758 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-07-05 09:54:43,760 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,760 INFO L758 garLoopResultBuilder]: At program point L836(lines 821 839) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse3 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse4 .cse5) (and (<= 2 ~waterLevel~0) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not .cse2) (not .cse0) .cse4 .cse5)))) [2021-07-05 09:54:43,760 INFO L758 garLoopResultBuilder]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2021-07-05 09:54:43,760 INFO L758 garLoopResultBuilder]: At program point L836-2(lines 821 839) the Hoare annotation is: false [2021-07-05 09:54:43,760 INFO L762 garLoopResultBuilder]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-07-05 09:54:43,761 INFO L762 garLoopResultBuilder]: For program point L159-1(lines 696 702) no Hoare annotation was computed. [2021-07-05 09:54:43,761 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,761 INFO L762 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2021-07-05 09:54:43,761 INFO L758 garLoopResultBuilder]: At program point L640-1(lines 640 646) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) [2021-07-05 09:54:43,761 INFO L762 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-07-05 09:54:43,761 INFO L758 garLoopResultBuilder]: At program point L905(lines 900 908) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-07-05 09:54:43,761 INFO L762 garLoopResultBuilder]: For program point L856(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,761 INFO L758 garLoopResultBuilder]: At program point L856-1(lines 1 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (and .cse0 (= ~waterLevel~0 1) (= ~pumpRunning~0 0))))) [2021-07-05 09:54:43,761 INFO L762 garLoopResultBuilder]: For program point L856-2(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,762 INFO L758 garLoopResultBuilder]: At program point L856-3(lines 1 908) the Hoare annotation is: false [2021-07-05 09:54:43,762 INFO L762 garLoopResultBuilder]: For program point L856-4(lines 856 869) no Hoare annotation was computed. [2021-07-05 09:54:43,762 INFO L758 garLoopResultBuilder]: At program point L856-5(lines 1 908) the Hoare annotation is: false [2021-07-05 09:54:43,762 INFO L758 garLoopResultBuilder]: At program point L676(lines 629 677) the Hoare annotation is: false [2021-07-05 09:54:43,762 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:54:43,762 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 615) no Hoare annotation was computed. [2021-07-05 09:54:43,762 INFO L762 garLoopResultBuilder]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-07-05 09:54:43,762 INFO L762 garLoopResultBuilder]: For program point L231(lines 231 238) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L758 garLoopResultBuilder]: At program point L231-1(lines 231 238) the Hoare annotation is: (= 1 ~systemActive~0) [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,763 INFO L762 garLoopResultBuilder]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2021-07-05 09:54:43,764 INFO L762 garLoopResultBuilder]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,764 INFO L762 garLoopResultBuilder]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2021-07-05 09:54:43,764 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-07-05 09:54:43,764 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:54:43,764 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:54:43,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:54:43 BoogieIcfgContainer [2021-07-05 09:54:43,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:54:43,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:54:43,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:54:43,778 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:54:43,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:54:42" (3/4) ... [2021-07-05 09:54:43,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:54:43,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:54:43,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:54:43,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:54:43,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:54:43,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:54:43,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:54:43,792 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:54:43,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && ((((2 <= waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) || ((1 == systemActive && waterLevel == 1) && pumpRunning == 0)) [2021-07-05 09:54:43,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || ((((\result == 1 && 1 == systemActive) && tmp == 0) && waterLevel == 1) && pumpRunning == 0)) [2021-07-05 09:54:43,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: splverifierCounter == 0 && ((((((\result == 0 && 1 == systemActive) && tmp___0 == 0) && waterLevel == 1) && pumpRunning == 0) || (((1 == systemActive && waterLevel == 1) && pumpRunning == 0) && tmp == 0)) || ((((((2 <= waterLevel && 1 == systemActive) && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && pumpRunning == 0) && tmp == 0)) [2021-07-05 09:54:43,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0 [2021-07-05 09:54:43,825 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:54:43,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:54:43,826 INFO L168 Benchmark]: Toolchain (without parser) took 2890.13 ms. Allocated memory was 48.2 MB in the beginning and 115.3 MB in the end (delta: 67.1 MB). Free memory was 23.3 MB in the beginning and 50.5 MB in the end (delta: -27.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:43,826 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory is still 30.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:54:43,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.23 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.1 MB in the beginning and 33.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:43,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 58.7 MB. Free memory was 33.5 MB in the beginning and 30.6 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:54:43,827 INFO L168 Benchmark]: Boogie Preprocessor took 51.08 ms. Allocated memory is still 58.7 MB. Free memory was 30.6 MB in the beginning and 28.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:43,827 INFO L168 Benchmark]: RCFGBuilder took 715.83 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 37.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:43,828 INFO L168 Benchmark]: TraceAbstraction took 1679.62 ms. Allocated memory was 75.5 MB in the beginning and 115.3 MB in the end (delta: 39.8 MB). Free memory was 37.4 MB in the beginning and 57.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:43,828 INFO L168 Benchmark]: Witness Printer took 47.95 ms. Allocated memory is still 115.3 MB. Free memory was 57.9 MB in the beginning and 50.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:43,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory is still 30.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 345.23 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.1 MB in the beginning and 33.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 58.7 MB. Free memory was 33.5 MB in the beginning and 30.6 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.08 ms. Allocated memory is still 58.7 MB. Free memory was 30.6 MB in the beginning and 28.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 715.83 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 37.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1679.62 ms. Allocated memory was 75.5 MB in the beginning and 115.3 MB in the end (delta: 39.8 MB). Free memory was 37.4 MB in the beginning and 57.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Witness Printer took 47.95 ms. Allocated memory is still 115.3 MB. Free memory was 57.9 MB in the beginning and 50.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 615]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1413.9ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 11.4ms, AutomataDifference: 353.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 370.0ms, InitialAbstractionConstructionTime: 7.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 637 SDtfs, 688 SDslu, 945 SDs, 0 SdLazy, 148 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 135.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 125.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=5, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 55.3ms AutomataMinimizationTime, 8 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 106 NumberOfFragments, 370 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4250 FormulaSimplificationTreeSizeReduction, 79.9ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 216 FormulaSimplificationTreeSizeReductionInter, 282.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 23.4ms SsaConstructionTime, 163.8ms SatisfiabilityAnalysisTime, 290.9ms InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 109.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.2ms, AutomataDifference: 6.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 36.8ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 167 SDtfs, 42 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 55 NumberOfFragments, 53 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 12.0ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 23.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.6ms SsaConstructionTime, 11.3ms SatisfiabilityAnalysisTime, 19.8ms InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 98.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.1ms, AutomataDifference: 6.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 37.5ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 167 SDtfs, 42 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 45 NumberOfFragments, 53 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 11.3ms HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 24.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.0ms SsaConstructionTime, 8.8ms SatisfiabilityAnalysisTime, 19.2ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || ((2 <= waterLevel && 1 == systemActive) && pumpRunning == 0)) || ((1 == systemActive && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || ((((\result == 1 && 1 == systemActive) && tmp == 0) && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((((2 <= waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) || ((1 == systemActive && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || (((1 == systemActive && tmp == 0) && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == 1) && pumpRunning == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((((((\result == 0 && 1 == systemActive) && tmp___0 == 0) && waterLevel == 1) && pumpRunning == 0) || (((1 == systemActive && waterLevel == 1) && pumpRunning == 0) && tmp == 0)) || ((((((2 <= waterLevel && 1 == systemActive) && \result == 0) && !(tmp___0 == 0)) && !(\result == 0)) && pumpRunning == 0) && tmp == 0)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 == systemActive - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 == systemActive - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 1) && 1 == systemActive) && \result == 1) && tmp == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || (((1 == systemActive && tmp == 0) && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || ((1 == systemActive && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || ((2 <= waterLevel && 1 == systemActive) && pumpRunning == 0)) || ((1 == systemActive && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && ((((pumpRunning == 1 && 1 == systemActive) && tmp == 0) || ((2 <= waterLevel && 1 == systemActive) && pumpRunning == 0)) || ((1 == systemActive && waterLevel == 1) && pumpRunning == 0)) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:54:43,862 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...