/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 10:17:30,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 10:17:30,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 10:17:30,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 10:17:30,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 10:17:30,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 10:17:30,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 10:17:30,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 10:17:30,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 10:17:30,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 10:17:30,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 10:17:30,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 10:17:30,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 10:17:30,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 10:17:30,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 10:17:30,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 10:17:30,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 10:17:30,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 10:17:30,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 10:17:30,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 10:17:30,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 10:17:30,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 10:17:30,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 10:17:30,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 10:17:30,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 10:17:30,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 10:17:30,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 10:17:30,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 10:17:30,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 10:17:30,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 10:17:30,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 10:17:30,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 10:17:30,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 10:17:30,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 10:17:30,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 10:17:30,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 10:17:30,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 10:17:30,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 10:17:30,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 10:17:30,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 10:17:30,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 10:17:30,172 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 [2020-08-18 10:17:30,208 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 10:17:30,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 10:17:30,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 10:17:30,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 10:17:30,211 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 10:17:30,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 10:17:30,212 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 10:17:30,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 10:17:30,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 10:17:30,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 10:17:30,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 10:17:30,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 10:17:30,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 10:17:30,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 10:17:30,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 10:17:30,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 10:17:30,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 10:17:30,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 10:17:30,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 10:17:30,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 10:17:30,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 10:17:30,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:17:30,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 10:17:30,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 10:17:30,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 10:17:30,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 10:17:30,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 10:17:30,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 10:17:30,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 10:17:30,220 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 -> false [2020-08-18 10:17:30,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 10:17:30,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 10:17:30,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 10:17:30,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 10:17:30,544 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 10:17:30,545 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-08-18 10:17:30,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d2d7dad1/fc4c3fa25ede4b60baeba3ed74a7e3e8/FLAG089333b84 [2020-08-18 10:17:31,166 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 10:17:31,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-08-18 10:17:31,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d2d7dad1/fc4c3fa25ede4b60baeba3ed74a7e3e8/FLAG089333b84 [2020-08-18 10:17:31,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d2d7dad1/fc4c3fa25ede4b60baeba3ed74a7e3e8 [2020-08-18 10:17:31,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 10:17:31,429 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 10:17:31,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 10:17:31,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 10:17:31,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 10:17:31,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:17:31" (1/1) ... [2020-08-18 10:17:31,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8d2598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:31, skipping insertion in model container [2020-08-18 10:17:31,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:17:31" (1/1) ... [2020-08-18 10:17:31,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 10:17:31,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 10:17:31,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:17:31,975 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 10:17:32,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:17:32,086 INFO L208 MainTranslator]: Completed translation [2020-08-18 10:17:32,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32 WrapperNode [2020-08-18 10:17:32,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 10:17:32,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 10:17:32,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 10:17:32,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 10:17:32,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (1/1) ... [2020-08-18 10:17:32,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 10:17:32,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 10:17:32,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 10:17:32,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 10:17:32,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (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 [2020-08-18 10:17:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 10:17:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 10:17:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 10:17:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 10:17:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 10:17:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 10:17:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 10:17:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 10:17:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 10:17:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 10:17:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 10:17:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 10:17:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 10:17:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 10:17:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 10:17:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 10:17:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 10:17:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 10:17:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 10:17:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 10:17:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 10:17:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 10:17:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 10:17:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 10:17:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 10:17:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 10:17:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 10:17:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 10:17:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 10:17:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 10:17:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 10:17:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 10:17:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 10:17:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 10:17:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 10:17:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 10:17:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 10:17:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 10:17:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 10:17:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 10:17:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 10:17:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 10:17:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 10:17:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 10:17:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 10:17:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 10:17:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 10:17:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 10:17:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 10:17:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 10:17:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 10:17:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 10:17:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 10:17:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 10:17:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 10:17:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 10:17:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 10:17:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 10:17:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 10:17:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 10:17:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 10:17:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 10:17:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 10:17:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 10:17:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 10:17:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 10:17:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 10:17:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 10:17:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 10:17:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 10:17:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 10:17:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 10:17:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 10:17:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 10:17:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 10:17:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 10:17:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 10:17:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 10:17:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 10:17:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 10:17:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 10:17:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 10:17:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 10:17:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 10:17:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 10:17:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 10:17:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 10:17:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 10:17:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 10:17:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 10:17:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 10:17:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 10:17:33,372 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 10:17:33,373 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 10:17:33,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:17:33 BoogieIcfgContainer [2020-08-18 10:17:33,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 10:17:33,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 10:17:33,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 10:17:33,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 10:17:33,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:17:31" (1/3) ... [2020-08-18 10:17:33,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ae9c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:17:33, skipping insertion in model container [2020-08-18 10:17:33,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:17:32" (2/3) ... [2020-08-18 10:17:33,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ae9c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:17:33, skipping insertion in model container [2020-08-18 10:17:33,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:17:33" (3/3) ... [2020-08-18 10:17:33,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-08-18 10:17:33,396 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 10:17:33,403 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 10:17:33,415 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 10:17:33,440 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 10:17:33,440 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 10:17:33,440 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 10:17:33,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 10:17:33,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 10:17:33,441 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 10:17:33,441 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 10:17:33,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 10:17:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-08-18 10:17:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 10:17:33,475 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:17:33,476 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] [2020-08-18 10:17:33,477 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:17:33,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:17:33,484 INFO L82 PathProgramCache]: Analyzing trace with hash -841254379, now seen corresponding path program 1 times [2020-08-18 10:17:33,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:17:33,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270575304] [2020-08-18 10:17:33,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:17:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,160 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:17:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:17:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:17:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:17:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:17:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:17:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 10:17:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 10:17:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:17:34,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270575304] [2020-08-18 10:17:34,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:17:34,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 10:17:34,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188807432] [2020-08-18 10:17:34,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 10:17:34,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:17:34,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 10:17:34,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:17:34,298 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 3 states. [2020-08-18 10:17:35,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:17:35,463 INFO L93 Difference]: Finished difference Result 293 states and 389 transitions. [2020-08-18 10:17:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 10:17:35,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 10:17:35,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:17:35,480 INFO L225 Difference]: With dead ends: 293 [2020-08-18 10:17:35,480 INFO L226 Difference]: Without dead ends: 159 [2020-08-18 10:17:35,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 10:17:35,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-08-18 10:17:35,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 125. [2020-08-18 10:17:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-18 10:17:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2020-08-18 10:17:35,651 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2020-08-18 10:17:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:17:35,654 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2020-08-18 10:17:35,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 10:17:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2020-08-18 10:17:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 10:17:35,663 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:17:35,663 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] [2020-08-18 10:17:35,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 10:17:35,664 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:17:35,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:17:35,665 INFO L82 PathProgramCache]: Analyzing trace with hash 63149069, now seen corresponding path program 1 times [2020-08-18 10:17:35,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:17:35,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864831292] [2020-08-18 10:17:35,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:17:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,017 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:17:36,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:17:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:17:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:17:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:17:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:17:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:17:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:17:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:17:36,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864831292] [2020-08-18 10:17:36,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:17:36,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 10:17:36,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898749271] [2020-08-18 10:17:36,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 10:17:36,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:17:36,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 10:17:36,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 10:17:36,061 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 4 states. [2020-08-18 10:17:36,463 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:17:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:17:37,330 INFO L93 Difference]: Finished difference Result 220 states and 272 transitions. [2020-08-18 10:17:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 10:17:37,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 10:17:37,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:17:37,333 INFO L225 Difference]: With dead ends: 220 [2020-08-18 10:17:37,334 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 10:17:37,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 10:17:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 10:17:37,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 116. [2020-08-18 10:17:37,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-18 10:17:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2020-08-18 10:17:37,372 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2020-08-18 10:17:37,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:17:37,372 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2020-08-18 10:17:37,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 10:17:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2020-08-18 10:17:37,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 10:17:37,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:17:37,375 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] [2020-08-18 10:17:37,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 10:17:37,375 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:17:37,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:17:37,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1536896169, now seen corresponding path program 1 times [2020-08-18 10:17:37,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:17:37,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072560856] [2020-08-18 10:17:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:17:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,724 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:17:37,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:17:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:17:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:17:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:17:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:17:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 10:17:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:17:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:17:37,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072560856] [2020-08-18 10:17:37,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:17:37,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 10:17:37,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981235397] [2020-08-18 10:17:37,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 10:17:37,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:17:37,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 10:17:37,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 10:17:37,839 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 8 states. [2020-08-18 10:17:38,147 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:17:38,471 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:38,715 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:38,944 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:39,659 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:17:41,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:17:41,364 INFO L93 Difference]: Finished difference Result 400 states and 503 transitions. [2020-08-18 10:17:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 10:17:41,366 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 10:17:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:17:41,370 INFO L225 Difference]: With dead ends: 400 [2020-08-18 10:17:41,371 INFO L226 Difference]: Without dead ends: 308 [2020-08-18 10:17:41,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 10:17:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-08-18 10:17:41,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 250. [2020-08-18 10:17:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-08-18 10:17:41,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2020-08-18 10:17:41,454 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 51 [2020-08-18 10:17:41,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:17:41,455 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2020-08-18 10:17:41,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 10:17:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2020-08-18 10:17:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 10:17:41,457 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:17:41,458 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] [2020-08-18 10:17:41,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 10:17:41,458 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:17:41,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:17:41,459 INFO L82 PathProgramCache]: Analyzing trace with hash -625105013, now seen corresponding path program 1 times [2020-08-18 10:17:41,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:17:41,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485162569] [2020-08-18 10:17:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:17:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,771 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:17:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:17:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:17:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:17:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:17:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:17:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 10:17:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:17:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 10:17:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:17:41,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485162569] [2020-08-18 10:17:41,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:17:41,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 10:17:41,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379389407] [2020-08-18 10:17:41,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 10:17:41,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:17:41,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 10:17:41,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 10:17:41,895 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand 8 states. [2020-08-18 10:17:42,237 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:17:43,167 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:43,547 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:17:43,847 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:44,164 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:44,616 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:17:45,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:17:45,465 INFO L93 Difference]: Finished difference Result 808 states and 1063 transitions. [2020-08-18 10:17:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 10:17:45,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 10:17:45,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:17:45,475 INFO L225 Difference]: With dead ends: 808 [2020-08-18 10:17:45,477 INFO L226 Difference]: Without dead ends: 582 [2020-08-18 10:17:45,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 10:17:45,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-08-18 10:17:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 455. [2020-08-18 10:17:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-08-18 10:17:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2020-08-18 10:17:45,612 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 57 [2020-08-18 10:17:45,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:17:45,613 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2020-08-18 10:17:45,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 10:17:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2020-08-18 10:17:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 10:17:45,617 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:17:45,617 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] [2020-08-18 10:17:45,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 10:17:45,617 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:17:45,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:17:45,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1731722097, now seen corresponding path program 1 times [2020-08-18 10:17:45,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:17:45,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730943981] [2020-08-18 10:17:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:17:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,891 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:17:45,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:17:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:17:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:17:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:17:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:17:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 10:17:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 10:17:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 10:17:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:45,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 10:17:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:17:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:17:46,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730943981] [2020-08-18 10:17:46,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:17:46,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 10:17:46,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090516131] [2020-08-18 10:17:46,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 10:17:46,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:17:46,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 10:17:46,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 10:17:46,010 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand 9 states. [2020-08-18 10:17:46,380 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 10:17:47,216 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:47,457 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:47,701 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 10:17:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:17:48,063 INFO L93 Difference]: Finished difference Result 805 states and 1050 transitions. [2020-08-18 10:17:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 10:17:48,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 10:17:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:17:48,064 INFO L225 Difference]: With dead ends: 805 [2020-08-18 10:17:48,064 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 10:17:48,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 10:17:48,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 10:17:48,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 10:17:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 10:17:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 10:17:48,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 10:17:48,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:17:48,069 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 10:17:48,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 10:17:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 10:17:48,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 10:17:48,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 10:17:48,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 10:17:48,206 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 6 [2020-08-18 10:17:50,951 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 10:17:51,124 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 10:17:51,319 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 10:17:51,658 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 10:17:51,830 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 10:17:52,002 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 10:17:52,242 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 10:17:52,576 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 10:17:52,768 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 10:17:53,082 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 10:17:53,408 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 10:17:53,725 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 10:17:54,048 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 10:17:54,217 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 10:17:54,680 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 10:17:54,851 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 10:17:55,056 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 10:17:55,228 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 10:17:55,414 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 10:17:55,572 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 10:17:55,750 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 10:17:55,985 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 10:17:56,146 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 10:17:56,482 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 10:17:56,805 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 10:17:56,809 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 10:17:56,809 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 10:17:56,810 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 10:17:56,810 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 10:17:56,810 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 10:17:56,810 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 10:17:56,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 10:17:56,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 10:17:56,811 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 10:17:56,811 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 10:17:56,811 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 10:17:56,812 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 10:17:56,813 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2020-08-18 10:17:56,813 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2020-08-18 10:17:56,813 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2020-08-18 10:17:56,813 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2020-08-18 10:17:56,813 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 825 833) no Hoare annotation was computed. [2020-08-18 10:17:56,814 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 907 929) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,814 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2020-08-18 10:17:56,814 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,814 INFO L264 CegarLoopResult]: At program point L919-1(line 919) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,814 INFO L268 CegarLoopResult]: For program point L917(lines 917 924) no Hoare annotation was computed. [2020-08-18 10:17:56,814 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2020-08-18 10:17:56,815 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-08-18 10:17:56,815 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,815 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,815 INFO L264 CegarLoopResult]: At program point L913-1(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,815 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 907 929) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 866 889) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 866 889) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 866 889) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-08-18 10:17:56,816 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-08-18 10:17:56,817 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-08-18 10:17:56,818 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-08-18 10:17:56,818 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-08-18 10:17:56,818 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2020-08-18 10:17:56,818 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 10:17:56,818 INFO L268 CegarLoopResult]: For program point L758(lines 758 764) no Hoare annotation was computed. [2020-08-18 10:17:56,818 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 10:17:56,818 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 754 768) no Hoare annotation was computed. [2020-08-18 10:17:56,818 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2020-08-18 10:17:56,819 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2020-08-18 10:17:56,819 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 690 698) no Hoare annotation was computed. [2020-08-18 10:17:56,819 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2020-08-18 10:17:56,819 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-08-18 10:17:56,819 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-08-18 10:17:56,819 INFO L268 CegarLoopResult]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2020-08-18 10:17:56,819 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2020-08-18 10:17:56,819 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 735 753) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 699 734) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 699 734) no Hoare annotation was computed. [2020-08-18 10:17:56,820 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 699 734) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 10:17:56,821 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 897 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,822 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2020-08-18 10:17:56,822 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2020-08-18 10:17:56,823 INFO L271 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: true [2020-08-18 10:17:56,823 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-08-18 10:17:56,823 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2020-08-18 10:17:56,823 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 679 689) no Hoare annotation was computed. [2020-08-18 10:17:56,823 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2020-08-18 10:17:56,823 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2020-08-18 10:17:56,824 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 671 678) no Hoare annotation was computed. [2020-08-18 10:17:56,824 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2020-08-18 10:17:56,824 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,824 INFO L264 CegarLoopResult]: At program point L657(line 657) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,824 INFO L268 CegarLoopResult]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2020-08-18 10:17:56,824 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,824 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,825 INFO L268 CegarLoopResult]: For program point L646(lines 646 654) no Hoare annotation was computed. [2020-08-18 10:17:56,825 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,825 INFO L268 CegarLoopResult]: For program point L644-1(line 644) no Hoare annotation was computed. [2020-08-18 10:17:56,825 INFO L268 CegarLoopResult]: For program point L642(lines 642 659) no Hoare annotation was computed. [2020-08-18 10:17:56,825 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2020-08-18 10:17:56,825 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2020-08-18 10:17:56,825 INFO L268 CegarLoopResult]: For program point L545(lines 545 558) no Hoare annotation was computed. [2020-08-18 10:17:56,826 INFO L264 CegarLoopResult]: At program point testENTRY(lines 505 570) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,826 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:17:56,826 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-08-18 10:17:56,826 INFO L268 CegarLoopResult]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2020-08-18 10:17:56,826 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-08-18 10:17:56,826 INFO L264 CegarLoopResult]: At program point L560(lines 515 562) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:17:56,827 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:17:56,827 INFO L268 CegarLoopResult]: For program point L525(lines 525 531) no Hoare annotation was computed. [2020-08-18 10:17:56,827 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2020-08-18 10:17:56,827 INFO L268 CegarLoopResult]: For program point L517(lines 517 521) no Hoare annotation was computed. [2020-08-18 10:17:56,827 INFO L264 CegarLoopResult]: At program point L563(lines 514 564) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:17:56,827 INFO L264 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L264 CegarLoopResult]: At program point L551-1(lines 545 558) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point L516(lines 515 562) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 10:17:56,828 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-08-18 10:17:56,829 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 10:17:56,830 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 801 810) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 801 810) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 801 810) no Hoare annotation was computed. [2020-08-18 10:17:56,831 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,831 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#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~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 663 670) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 663 670) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 663 670) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,832 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 10:17:56,833 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-18 10:17:56,833 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-18 10:17:56,833 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-08-18 10:17:56,833 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-08-18 10:17:56,833 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-08-18 10:17:56,833 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,833 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,833 INFO L264 CegarLoopResult]: At program point L591(lines 591 597) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,834 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2020-08-18 10:17:56,834 INFO L264 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 10:17:56,834 INFO L268 CegarLoopResult]: For program point L584(lines 583 602) no Hoare annotation was computed. [2020-08-18 10:17:56,834 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2020-08-18 10:17:56,834 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2020-08-18 10:17:56,834 INFO L271 CegarLoopResult]: At program point L861(lines 836 865) the Hoare annotation is: true [2020-08-18 10:17:56,834 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2020-08-18 10:17:56,835 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-08-18 10:17:56,835 INFO L268 CegarLoopResult]: For program point L850(lines 850 854) no Hoare annotation was computed. [2020-08-18 10:17:56,835 INFO L271 CegarLoopResult]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2020-08-18 10:17:56,835 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-08-18 10:17:56,835 INFO L271 CegarLoopResult]: At program point L846-2(lines 846 860) the Hoare annotation is: true [2020-08-18 10:17:56,835 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-08-18 10:17:56,835 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-08-18 10:17:56,835 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-08-18 10:17:56,836 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-08-18 10:17:56,836 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-08-18 10:17:56,836 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2020-08-18 10:17:56,836 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2020-08-18 10:17:56,836 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,836 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 10:17:56,836 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 10:17:56,837 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:17:56,837 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-18 10:17:56,837 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-18 10:17:56,837 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 10:17:56,837 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 931 938) no Hoare annotation was computed. [2020-08-18 10:17:56,837 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2020-08-18 10:17:56,837 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2020-08-18 10:17:56,838 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2020-08-18 10:17:56,838 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2020-08-18 10:17:56,838 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2020-08-18 10:17:56,838 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 10:17:56,838 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-08-18 10:17:56,838 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 10:17:56,838 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-08-18 10:17:56,839 INFO L268 CegarLoopResult]: For program point L779(lines 779 792) no Hoare annotation was computed. [2020-08-18 10:17:56,839 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2020-08-18 10:17:56,839 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-08-18 10:17:56,839 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-08-18 10:17:56,839 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2020-08-18 10:17:56,839 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,839 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,840 INFO L268 CegarLoopResult]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2020-08-18 10:17:56,840 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,840 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,840 INFO L268 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2020-08-18 10:17:56,840 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:17:56,840 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-08-18 10:17:56,841 INFO L268 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2020-08-18 10:17:56,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:17:56 BoogieIcfgContainer [2020-08-18 10:17:56,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 10:17:56,861 INFO L168 Benchmark]: Toolchain (without parser) took 25431.76 ms. Allocated memory was 148.4 MB in the beginning and 583.5 MB in the end (delta: 435.2 MB). Free memory was 103.7 MB in the beginning and 111.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 452.8 MB. Max. memory is 7.1 GB. [2020-08-18 10:17:56,862 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 10:17:56,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.88 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 171.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-08-18 10:17:56,863 INFO L168 Benchmark]: Boogie Preprocessor took 95.50 ms. Allocated memory is still 205.5 MB. Free memory was 171.6 MB in the beginning and 167.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-18 10:17:56,865 INFO L168 Benchmark]: RCFGBuilder took 1195.18 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 167.6 MB in the beginning and 188.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2020-08-18 10:17:56,866 INFO L168 Benchmark]: TraceAbstraction took 23479.05 ms. Allocated memory was 233.8 MB in the beginning and 583.5 MB in the end (delta: 349.7 MB). Free memory was 188.4 MB in the beginning and 111.1 MB in the end (delta: 77.3 MB). Peak memory consumption was 452.0 MB. Max. memory is 7.1 GB. [2020-08-18 10:17:56,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.88 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.5 MB in the beginning and 171.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.50 ms. Allocated memory is still 205.5 MB. Free memory was 171.6 MB in the beginning and 167.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.18 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 167.6 MB in the beginning and 188.4 MB in the end (delta: -20.8 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23479.05 ms. Allocated memory was 233.8 MB in the beginning and 583.5 MB in the end (delta: 349.7 MB). Free memory was 188.4 MB in the beginning and 111.1 MB in the end (delta: 77.3 MB). Peak memory consumption was 452.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: 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: 514]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 534 SDtfs, 905 SDslu, 431 SDs, 0 SdLazy, 2266 SolverSat, 590 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 246 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 614 PreInvPairs, 689 NumberOfFragments, 725 HoareAnnotationTreeSize, 614 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 59 FomulaSimplificationsInter, 18597 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 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...