/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:20:34,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:20:34,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:20:34,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:20:34,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:20:35,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:20:35,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:20:35,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:20:35,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:20:35,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:20:35,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:20:35,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:20:35,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:20:35,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:20:35,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:20:35,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:20:35,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:20:35,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:20:35,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:20:35,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:20:35,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:20:35,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:20:35,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:20:35,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:20:35,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:20:35,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:20:35,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:20:35,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:20:35,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:20:35,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:20:35,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:20:35,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:20:35,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:20:35,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:20:35,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:20:35,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:20:35,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:20:35,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:20:35,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:20:35,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:20:35,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:20:35,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 20:20:35,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:20:35,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:20:35,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:20:35,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:20:35,115 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:20:35,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:20:35,116 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:20:35,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:20:35,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:20:35,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:20:35,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:20:35,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:20:35,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:20:35,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:20:35,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:20:35,119 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:20:35,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:20:35,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:20:35,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:20:35,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:20:35,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:20:35,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:20:35,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:20:35,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:20:35,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:20:35,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:20:35,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:20:35,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:20:35,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:20:35,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:20:35,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:20:35,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:20:35,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:20:35,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:20:35,477 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:20:35,477 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-08-21 20:20:35,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76bb93342/eaeacae838d144f19149a6c56ba936b6/FLAGce738df7e [2020-08-21 20:20:36,096 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:20:36,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-08-21 20:20:36,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76bb93342/eaeacae838d144f19149a6c56ba936b6/FLAGce738df7e [2020-08-21 20:20:36,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/76bb93342/eaeacae838d144f19149a6c56ba936b6 [2020-08-21 20:20:36,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:20:36,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:20:36,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:20:36,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:20:36,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:20:36,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:20:36" (1/1) ... [2020-08-21 20:20:36,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab3eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:36, skipping insertion in model container [2020-08-21 20:20:36,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:20:36" (1/1) ... [2020-08-21 20:20:36,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:20:36,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:20:36,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:20:36,917 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:20:36,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:20:37,024 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:20:37,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37 WrapperNode [2020-08-21 20:20:37,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:20:37,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:20:37,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:20:37,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:20:37,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... [2020-08-21 20:20:37,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:20:37,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:20:37,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:20:37,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:20:37,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:20:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:20:37,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:20:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 20:20:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 20:20:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 20:20:37,183 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 20:20:37,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 20:20:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 20:20:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 20:20:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 20:20:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 20:20:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 20:20:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 20:20:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:20:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 20:20:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 20:20:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 20:20:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 20:20:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 20:20:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 20:20:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 20:20:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 20:20:37,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 20:20:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:20:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 20:20:37,189 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 20:20:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 20:20:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 20:20:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 20:20:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 20:20:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 20:20:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 20:20:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 20:20:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 20:20:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 20:20:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 20:20:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 20:20:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 20:20:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 20:20:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 20:20:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 20:20:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 20:20:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 20:20:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 20:20:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 20:20:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 20:20:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 20:20:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 20:20:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 20:20:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 20:20:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 20:20:37,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:20:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 20:20:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:20:38,237 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:20:38,237 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 20:20:38,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:20:38 BoogieIcfgContainer [2020-08-21 20:20:38,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:20:38,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:20:38,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:20:38,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:20:38,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:20:36" (1/3) ... [2020-08-21 20:20:38,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195f6273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:20:38, skipping insertion in model container [2020-08-21 20:20:38,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:20:37" (2/3) ... [2020-08-21 20:20:38,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195f6273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:20:38, skipping insertion in model container [2020-08-21 20:20:38,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:20:38" (3/3) ... [2020-08-21 20:20:38,252 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-08-21 20:20:38,263 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:20:38,272 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:20:38,287 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:20:38,312 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:20:38,312 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:20:38,312 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:20:38,312 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:20:38,313 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:20:38,313 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:20:38,313 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:20:38,313 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:20:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-08-21 20:20:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 20:20:38,345 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:20:38,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:20:38,347 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:20:38,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:20:38,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1206360335, now seen corresponding path program 1 times [2020-08-21 20:20:38,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:20:38,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463285255] [2020-08-21 20:20:38,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:20:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,087 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:20:39,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:20:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:20:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:20:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:20:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:20:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:20:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 20:20:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 20:20:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:39,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:20:39,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463285255] [2020-08-21 20:20:39,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:20:39,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 20:20:39,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228190632] [2020-08-21 20:20:39,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:20:39,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:20:39,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:20:39,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:20:39,286 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2020-08-21 20:20:40,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:20:40,197 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-08-21 20:20:40,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 20:20:40,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 20:20:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:20:40,213 INFO L225 Difference]: With dead ends: 198 [2020-08-21 20:20:40,214 INFO L226 Difference]: Without dead ends: 113 [2020-08-21 20:20:40,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:20:40,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-21 20:20:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-08-21 20:20:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-21 20:20:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-08-21 20:20:40,299 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-08-21 20:20:40,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:20:40,299 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-08-21 20:20:40,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:20:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-08-21 20:20:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 20:20:40,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:20:40,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:20:40,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:20:40,304 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:20:40,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:20:40,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1457835642, now seen corresponding path program 1 times [2020-08-21 20:20:40,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:20:40,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717035324] [2020-08-21 20:20:40,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:20:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,668 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:20:40,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:20:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:20:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:20:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:20:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:20:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:20:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:20:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:20:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:20:40,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717035324] [2020-08-21 20:20:40,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:20:40,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:20:40,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331845862] [2020-08-21 20:20:40,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:20:40,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:20:40,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:20:40,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:20:40,737 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-08-21 20:20:41,224 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 20:20:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:20:41,764 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2020-08-21 20:20:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:20:41,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 20:20:41,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:20:41,768 INFO L225 Difference]: With dead ends: 143 [2020-08-21 20:20:41,769 INFO L226 Difference]: Without dead ends: 103 [2020-08-21 20:20:41,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:20:41,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-21 20:20:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-08-21 20:20:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-21 20:20:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-08-21 20:20:41,817 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-08-21 20:20:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:20:41,817 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-08-21 20:20:41,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:20:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-08-21 20:20:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 20:20:41,829 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:20:41,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:20:41,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:20:41,829 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:20:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:20:41,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1158960605, now seen corresponding path program 1 times [2020-08-21 20:20:41,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:20:41,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840873034] [2020-08-21 20:20:41,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:20:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,211 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:20:42,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:20:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:20:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:20:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:20:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:20:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:20:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 20:20:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 20:20:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:20:42,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840873034] [2020-08-21 20:20:42,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:20:42,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 20:20:42,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099190760] [2020-08-21 20:20:42,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:20:42,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:20:42,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:20:42,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:20:42,307 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 9 states. [2020-08-21 20:20:42,695 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:20:43,012 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:43,282 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:43,535 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:20:44,259 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2020-08-21 20:20:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:20:44,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 20:20:44,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:20:44,262 INFO L225 Difference]: With dead ends: 152 [2020-08-21 20:20:44,262 INFO L226 Difference]: Without dead ends: 103 [2020-08-21 20:20:44,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:20:44,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-21 20:20:44,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-08-21 20:20:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-08-21 20:20:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-08-21 20:20:44,288 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-08-21 20:20:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:20:44,288 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-08-21 20:20:44,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:20:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-08-21 20:20:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 20:20:44,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:20:44,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:20:44,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:20:44,290 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:20:44,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:20:44,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1004673798, now seen corresponding path program 1 times [2020-08-21 20:20:44,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:20:44,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667684174] [2020-08-21 20:20:44,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:20:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,639 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:20:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:20:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:20:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:20:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:20:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:20:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:20:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 20:20:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 20:20:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 20:20:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:20:44,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667684174] [2020-08-21 20:20:44,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:20:44,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 20:20:44,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514315657] [2020-08-21 20:20:44,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:20:44,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:20:44,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:20:44,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:20:44,734 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-08-21 20:20:45,136 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:20:45,989 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:46,266 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:46,501 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:46,738 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:20:47,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:20:47,165 INFO L93 Difference]: Finished difference Result 204 states and 263 transitions. [2020-08-21 20:20:47,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 20:20:47,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-21 20:20:47,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:20:47,184 INFO L225 Difference]: With dead ends: 204 [2020-08-21 20:20:47,184 INFO L226 Difference]: Without dead ends: 155 [2020-08-21 20:20:47,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-21 20:20:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-08-21 20:20:47,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 116. [2020-08-21 20:20:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-21 20:20:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-08-21 20:20:47,224 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2020-08-21 20:20:47,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:20:47,225 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-08-21 20:20:47,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:20:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-08-21 20:20:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-21 20:20:47,226 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:20:47,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:20:47,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:20:47,227 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:20:47,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:20:47,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1182748770, now seen corresponding path program 1 times [2020-08-21 20:20:47,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:20:47,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307209364] [2020-08-21 20:20:47,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:20:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,550 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:20:47,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:20:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 20:20:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:20:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 20:20:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 20:20:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 20:20:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 20:20:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 20:20:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 20:20:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 20:20:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:20:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:20:47,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307209364] [2020-08-21 20:20:47,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:20:47,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 20:20:47,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801688861] [2020-08-21 20:20:47,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:20:47,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:20:47,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:20:47,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:20:47,654 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 9 states. [2020-08-21 20:20:48,002 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 20:20:48,817 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:49,082 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:49,334 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 20:20:49,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:20:49,455 INFO L93 Difference]: Finished difference Result 233 states and 298 transitions. [2020-08-21 20:20:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:20:49,457 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-21 20:20:49,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:20:49,458 INFO L225 Difference]: With dead ends: 233 [2020-08-21 20:20:49,458 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:20:49,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-21 20:20:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:20:49,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:20:49,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:20:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:20:49,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-21 20:20:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:20:49,462 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:20:49,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:20:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:20:49,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:20:49,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:20:49,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:20:51,576 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-21 20:20:51,756 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-21 20:20:51,936 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-21 20:20:52,150 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 20:20:52,322 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-21 20:20:52,491 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-21 20:20:52,650 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 21 [2020-08-21 20:20:52,865 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 20:20:53,031 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 20:20:53,203 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-21 20:20:53,533 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-08-21 20:20:53,861 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 20:20:54,176 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-08-21 20:20:54,495 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 16 [2020-08-21 20:20:54,809 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-21 20:20:54,978 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-21 20:20:55,182 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 20:20:55,360 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-21 20:20:55,682 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 20:20:56,014 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-21 20:20:56,019 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 20:20:56,019 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 498) no Hoare annotation was computed. [2020-08-21 20:20:56,019 INFO L268 CegarLoopResult]: For program point L499(lines 476 500) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 452 507) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 452 507) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 452 507) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 487) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point L540(lines 540 544) no Hoare annotation was computed. [2020-08-21 20:20:56,020 INFO L268 CegarLoopResult]: For program point L540-1(lines 540 544) no Hoare annotation was computed. [2020-08-21 20:20:56,021 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 20:20:56,021 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 508 567) no Hoare annotation was computed. [2020-08-21 20:20:56,021 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 559) no Hoare annotation was computed. [2020-08-21 20:20:56,021 INFO L268 CegarLoopResult]: For program point L560(lines 533 561) no Hoare annotation was computed. [2020-08-21 20:20:56,021 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 508 567) no Hoare annotation was computed. [2020-08-21 20:20:56,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 508 567) no Hoare annotation was computed. [2020-08-21 20:20:56,022 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 20:20:56,022 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-08-21 20:20:56,022 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 245 251) the Hoare annotation is: true [2020-08-21 20:20:56,022 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 245 251) no Hoare annotation was computed. [2020-08-21 20:20:56,022 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 252 260) no Hoare annotation was computed. [2020-08-21 20:20:56,022 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 252 260) the Hoare annotation is: true [2020-08-21 20:20:56,023 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 252 260) no Hoare annotation was computed. [2020-08-21 20:20:56,023 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 336 358) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,023 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 20:20:56,023 INFO L264 CegarLoopResult]: At program point L348-1(line 348) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 20:20:56,023 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-08-21 20:20:56,024 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 353) no Hoare annotation was computed. [2020-08-21 20:20:56,024 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 336 358) no Hoare annotation was computed. [2020-08-21 20:20:56,024 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-08-21 20:20:56,024 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,024 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,024 INFO L264 CegarLoopResult]: At program point L342-1(line 342) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 336 358) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 293 316) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 293 316) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 293 316) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-08-21 20:20:56,025 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-08-21 20:20:56,026 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 110 118) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 110 118) the Hoare annotation is: true [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 110 118) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-08-21 20:20:56,027 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 119 154) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point L138(lines 138 146) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point L138-2(lines 138 146) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 119 154) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 119 154) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 238 244) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 238 244) the Hoare annotation is: true [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 406 451) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 406 451) no Hoare annotation was computed. [2020-08-21 20:20:56,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 406 451) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point L733(lines 733 753) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 753) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 719 764) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 719 764) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 719 764) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point L739(lines 739 746) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 325 335) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,029 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 325 335) no Hoare annotation was computed. [2020-08-21 20:20:56,029 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 325 335) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 99 109) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 99 109) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point L104-1(line 104) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 99 109) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 91 98) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 91 98) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 91 98) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 76 82) no Hoare annotation was computed. [2020-08-21 20:20:56,030 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 76 82) the Hoare annotation is: true [2020-08-21 20:20:56,030 INFO L264 CegarLoopResult]: At program point testENTRY(lines 159 222) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,031 INFO L264 CegarLoopResult]: At program point L215(lines 168 216) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 20:20:56,031 INFO L268 CegarLoopResult]: For program point testFINAL(lines 159 222) no Hoare annotation was computed. [2020-08-21 20:20:56,031 INFO L268 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-08-21 20:20:56,031 INFO L264 CegarLoopResult]: At program point L205-2(lines 199 210) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-21 20:20:56,031 INFO L268 CegarLoopResult]: For program point L170(lines 169 214) no Hoare annotation was computed. [2020-08-21 20:20:56,031 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-08-21 20:20:56,031 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-21 20:20:56,031 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-08-21 20:20:56,031 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2020-08-21 20:20:56,031 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-21 20:20:56,031 INFO L264 CegarLoopResult]: At program point L212(lines 169 214) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point L171(lines 171 175) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point testEXIT(lines 159 222) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 673 718) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point L693(lines 693 700) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 673 718) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 673 718) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point L687(lines 687 707) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 707) no Hoare annotation was computed. [2020-08-21 20:20:56,032 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point L382(lines 382 392) no Hoare annotation was computed. [2020-08-21 20:20:56,033 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2020-08-21 20:20:56,033 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-08-21 20:20:56,033 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 20:20:56,033 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 814 836) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 814 836) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 228 237) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 228 237) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 228 237) no Hoare annotation was computed. [2020-08-21 20:20:56,034 INFO L268 CegarLoopResult]: For program point L640(lines 618 641) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 570 672) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L599(lines 599 615) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L620(lines 619 639) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L651-1(line 651) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L616(lines 616 657) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 570 672) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-08-21 20:20:56,035 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 570 672) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 639) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 83 90) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 83 90) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 83 90) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 837 845) no Hoare annotation was computed. [2020-08-21 20:20:56,036 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 837 845) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2020-08-21 20:20:56,037 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:20:56,038 INFO L264 CegarLoopResult]: At program point L63(lines 63 69) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:20:56,038 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:20:56,038 INFO L268 CegarLoopResult]: For program point L56(lines 55 74) no Hoare annotation was computed. [2020-08-21 20:20:56,038 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 52 75) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:20:56,038 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 52 75) no Hoare annotation was computed. [2020-08-21 20:20:56,038 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 52 75) no Hoare annotation was computed. [2020-08-21 20:20:56,038 INFO L271 CegarLoopResult]: At program point L288(lines 263 292) the Hoare annotation is: true [2020-08-21 20:20:56,038 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 263 292) no Hoare annotation was computed. [2020-08-21 20:20:56,038 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 263 292) the Hoare annotation is: true [2020-08-21 20:20:56,038 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-08-21 20:20:56,038 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-08-21 20:20:56,038 INFO L271 CegarLoopResult]: At program point L277-1(lines 277 281) the Hoare annotation is: true [2020-08-21 20:20:56,039 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-08-21 20:20:56,039 INFO L271 CegarLoopResult]: At program point L273-2(lines 273 287) the Hoare annotation is: true [2020-08-21 20:20:56,039 INFO L271 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: true [2020-08-21 20:20:56,039 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-08-21 20:20:56,039 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 769 780) the Hoare annotation is: true [2020-08-21 20:20:56,039 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2020-08-21 20:20:56,039 INFO L268 CegarLoopResult]: For program point L773-1(lines 769 780) no Hoare annotation was computed. [2020-08-21 20:20:56,039 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 317 323) no Hoare annotation was computed. [2020-08-21 20:20:56,039 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 317 323) the Hoare annotation is: true [2020-08-21 20:20:56,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,040 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 20:20:56,040 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:20:56,040 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:20:56,040 INFO L268 CegarLoopResult]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2020-08-21 20:20:56,040 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2020-08-21 20:20:56,040 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-21 20:20:56,040 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 847 854) no Hoare annotation was computed. [2020-08-21 20:20:56,041 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2020-08-21 20:20:56,041 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 847 854) the Hoare annotation is: true [2020-08-21 20:20:56,041 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 847 854) no Hoare annotation was computed. [2020-08-21 20:20:56,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:20:56 BoogieIcfgContainer [2020-08-21 20:20:56,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:20:56,060 INFO L168 Benchmark]: Toolchain (without parser) took 19668.23 ms. Allocated memory was 150.5 MB in the beginning and 494.9 MB in the end (delta: 344.5 MB). Free memory was 104.4 MB in the beginning and 451.1 MB in the end (delta: -346.7 MB). Peak memory consumption was 354.6 MB. Max. memory is 7.1 GB. [2020-08-21 20:20:56,061 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 150.5 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 20:20:56,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.08 ms. Allocated memory was 150.5 MB in the beginning and 206.6 MB in the end (delta: 56.1 MB). Free memory was 104.1 MB in the beginning and 177.1 MB in the end (delta: -72.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2020-08-21 20:20:56,062 INFO L168 Benchmark]: Boogie Preprocessor took 91.34 ms. Allocated memory is still 206.6 MB. Free memory was 177.1 MB in the beginning and 172.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-21 20:20:56,063 INFO L168 Benchmark]: RCFGBuilder took 1125.41 ms. Allocated memory was 206.6 MB in the beginning and 231.7 MB in the end (delta: 25.2 MB). Free memory was 172.8 MB in the beginning and 192.8 MB in the end (delta: -20.1 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:20:56,064 INFO L168 Benchmark]: TraceAbstraction took 17813.90 ms. Allocated memory was 231.7 MB in the beginning and 494.9 MB in the end (delta: 263.2 MB). Free memory was 191.6 MB in the beginning and 451.1 MB in the end (delta: -259.5 MB). Peak memory consumption was 360.5 MB. Max. memory is 7.1 GB. [2020-08-21 20:20:56,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 150.5 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.08 ms. Allocated memory was 150.5 MB in the beginning and 206.6 MB in the end (delta: 56.1 MB). Free memory was 104.1 MB in the beginning and 177.1 MB in the end (delta: -72.9 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.34 ms. Allocated memory is still 206.6 MB. Free memory was 177.1 MB in the beginning and 172.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.41 ms. Allocated memory was 206.6 MB in the beginning and 231.7 MB in the end (delta: 25.2 MB). Free memory was 172.8 MB in the beginning and 192.8 MB in the end (delta: -20.1 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17813.90 ms. Allocated memory was 231.7 MB in the beginning and 494.9 MB in the end (delta: 263.2 MB). Free memory was 191.6 MB in the beginning and 451.1 MB in the end (delta: -259.5 MB). Peak memory consumption was 360.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(\old(methaneLevelCritical) == 0)) || splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 358 SDtfs, 576 SDslu, 347 SDs, 0 SdLazy, 1302 SolverSat, 384 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 176 PreInvPairs, 208 NumberOfFragments, 651 HoareAnnotationTreeSize, 176 FomulaSimplifications, 69708 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6580 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...