/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 22:04:33,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 22:04:33,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 22:04:33,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 22:04:33,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 22:04:33,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 22:04:33,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 22:04:33,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 22:04:33,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 22:04:33,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 22:04:33,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 22:04:33,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 22:04:33,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:04:33,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:04:33,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:04:33,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:04:33,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:04:33,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:04:33,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:04:33,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:04:33,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:04:33,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:04:33,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:04:33,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:04:33,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 22:04:33,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 22:04:33,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 22:04:33,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 22:04:33,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 22:04:33,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 22:04:33,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 22:04:33,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 22:04:33,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 22:04:33,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 22:04:33,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 22:04:33,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 22:04:33,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 22:04:33,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 22:04:33,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:04:33,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:04:33,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:04:33,172 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 [2020-08-21 22:04:33,194 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:04:33,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:04:33,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:04:33,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:04:33,196 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:04:33,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:04:33,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:04:33,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:04:33,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:04:33,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:04:33,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:04:33,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:04:33,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:04:33,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:04:33,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:04:33,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:04:33,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:04:33,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:04:33,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:04:33,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:04:33,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:04:33,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:04:33,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:04:33,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:04:33,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:04:33,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:04:33,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:04:33,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:04:33,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:04:33,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 22:04:33,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:04:33,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:04:33,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:04:33,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:04:33,531 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:04:33,532 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2020-08-21 22:04:33,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5301fcae9/0b4de688ca9c4cec9ac5af26f428583e/FLAGdf062c8fd [2020-08-21 22:04:34,120 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:04:34,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product15.cil.c [2020-08-21 22:04:34,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5301fcae9/0b4de688ca9c4cec9ac5af26f428583e/FLAGdf062c8fd [2020-08-21 22:04:34,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5301fcae9/0b4de688ca9c4cec9ac5af26f428583e [2020-08-21 22:04:34,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:04:34,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:04:34,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:04:34,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:04:34,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:04:34,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:04:34" (1/1) ... [2020-08-21 22:04:34,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abd6929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:34, skipping insertion in model container [2020-08-21 22:04:34,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:04:34" (1/1) ... [2020-08-21 22:04:34,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:04:34,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:04:34,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:04:34,978 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:04:35,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:04:35,107 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:04:35,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35 WrapperNode [2020-08-21 22:04:35,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:04:35,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:04:35,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:04:35,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:04:35,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... [2020-08-21 22:04:35,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:04:35,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:04:35,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:04:35,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:04:35,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:04:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:04:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:04:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 22:04:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 22:04:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 22:04:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 22:04:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 22:04:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:04:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 22:04:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 22:04:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 22:04:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 22:04:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 22:04:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 22:04:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 22:04:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 22:04:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 22:04:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 22:04:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 22:04:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 22:04:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 22:04:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 22:04:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 22:04:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 22:04:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 22:04:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 22:04:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 22:04:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 22:04:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 22:04:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 22:04:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 22:04:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 22:04:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 22:04:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 22:04:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 22:04:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 22:04:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 22:04:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 22:04:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 22:04:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:04:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 22:04:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 22:04:35,320 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 22:04:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 22:04:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 22:04:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 22:04:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 22:04:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 22:04:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 22:04:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 22:04:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 22:04:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 22:04:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 22:04:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 22:04:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 22:04:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:04:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 22:04:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 22:04:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 22:04:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 22:04:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 22:04:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 22:04:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 22:04:35,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 22:04:35,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 22:04:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 22:04:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 22:04:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 22:04:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 22:04:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 22:04:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 22:04:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 22:04:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 22:04:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 22:04:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 22:04:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 22:04:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 22:04:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 22:04:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:04:36,503 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:04:36,504 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 22:04:36,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:04:36 BoogieIcfgContainer [2020-08-21 22:04:36,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:04:36,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:04:36,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:04:36,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:04:36,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:04:34" (1/3) ... [2020-08-21 22:04:36,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6220e53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:04:36, skipping insertion in model container [2020-08-21 22:04:36,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:04:35" (2/3) ... [2020-08-21 22:04:36,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6220e53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:04:36, skipping insertion in model container [2020-08-21 22:04:36,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:04:36" (3/3) ... [2020-08-21 22:04:36,524 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2020-08-21 22:04:36,535 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:04:36,545 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 22:04:36,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 22:04:36,591 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 22:04:36,591 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 22:04:36,591 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 22:04:36,591 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 22:04:36,591 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 22:04:36,592 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 22:04:36,592 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 22:04:36,592 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 22:04:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-08-21 22:04:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 22:04:36,622 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:04:36,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:04:36,623 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:04:36,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:04:36,628 INFO L82 PathProgramCache]: Analyzing trace with hash -2139894153, now seen corresponding path program 1 times [2020-08-21 22:04:36,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:04:36,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426092170] [2020-08-21 22:04:36,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:04:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,299 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:04:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:04:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:04:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:04:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:04:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:04:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 22:04:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 22:04:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 22:04:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:04:37,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426092170] [2020-08-21 22:04:37,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:04:37,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 22:04:37,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262267729] [2020-08-21 22:04:37,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 22:04:37,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:04:37,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 22:04:37,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:04:37,435 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-08-21 22:04:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:04:38,447 INFO L93 Difference]: Finished difference Result 264 states and 343 transitions. [2020-08-21 22:04:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 22:04:38,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 22:04:38,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:04:38,463 INFO L225 Difference]: With dead ends: 264 [2020-08-21 22:04:38,463 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 22:04:38,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 22:04:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 22:04:38,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 118. [2020-08-21 22:04:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-08-21 22:04:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2020-08-21 22:04:38,555 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2020-08-21 22:04:38,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:04:38,555 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2020-08-21 22:04:38,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 22:04:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2020-08-21 22:04:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-21 22:04:38,560 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:04:38,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:04:38,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 22:04:38,561 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:04:38,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:04:38,562 INFO L82 PathProgramCache]: Analyzing trace with hash -445963551, now seen corresponding path program 1 times [2020-08-21 22:04:38,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:04:38,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330849392] [2020-08-21 22:04:38,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:04:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:38,927 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:04:38,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:38,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:04:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:04:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:38,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:04:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:04:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:04:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:04:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 22:04:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 22:04:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:04:39,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330849392] [2020-08-21 22:04:39,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:04:39,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:04:39,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804183240] [2020-08-21 22:04:39,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:04:39,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:04:39,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:04:39,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:04:39,051 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 9 states. [2020-08-21 22:04:39,433 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:04:39,761 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:04:40,052 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:04:40,300 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:04:41,294 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:04:42,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:04:42,715 INFO L93 Difference]: Finished difference Result 405 states and 512 transitions. [2020-08-21 22:04:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 22:04:42,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-21 22:04:42,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:04:42,721 INFO L225 Difference]: With dead ends: 405 [2020-08-21 22:04:42,721 INFO L226 Difference]: Without dead ends: 315 [2020-08-21 22:04:42,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 22:04:42,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-08-21 22:04:42,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 265. [2020-08-21 22:04:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-08-21 22:04:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 326 transitions. [2020-08-21 22:04:42,808 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 326 transitions. Word has length 64 [2020-08-21 22:04:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:04:42,809 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 326 transitions. [2020-08-21 22:04:42,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:04:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 326 transitions. [2020-08-21 22:04:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 22:04:42,812 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:04:42,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:04:42,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 22:04:42,813 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:04:42,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:04:42,814 INFO L82 PathProgramCache]: Analyzing trace with hash 835737799, now seen corresponding path program 1 times [2020-08-21 22:04:42,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:04:42,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169933796] [2020-08-21 22:04:42,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:04:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,127 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:04:43,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:04:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:04:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:04:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:04:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:04:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 22:04:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 22:04:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 22:04:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 22:04:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-21 22:04:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 22:04:43,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169933796] [2020-08-21 22:04:43,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:04:43,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 22:04:43,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723286953] [2020-08-21 22:04:43,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 22:04:43,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:04:43,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 22:04:43,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 22:04:43,199 INFO L87 Difference]: Start difference. First operand 265 states and 326 transitions. Second operand 6 states. [2020-08-21 22:04:43,665 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 22:04:44,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:04:44,508 INFO L93 Difference]: Finished difference Result 493 states and 643 transitions. [2020-08-21 22:04:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 22:04:44,509 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-21 22:04:44,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:04:44,513 INFO L225 Difference]: With dead ends: 493 [2020-08-21 22:04:44,513 INFO L226 Difference]: Without dead ends: 325 [2020-08-21 22:04:44,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:04:44,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-08-21 22:04:44,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 238. [2020-08-21 22:04:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-08-21 22:04:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2020-08-21 22:04:44,577 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 68 [2020-08-21 22:04:44,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:04:44,578 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2020-08-21 22:04:44,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 22:04:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2020-08-21 22:04:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-21 22:04:44,580 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:04:44,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:04:44,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 22:04:44,581 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:04:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:04:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1586718875, now seen corresponding path program 1 times [2020-08-21 22:04:44,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:04:44,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113591404] [2020-08-21 22:04:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:04:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,878 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:04:44,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 22:04:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:04:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 22:04:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 22:04:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:04:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:04:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 22:04:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:04:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-21 22:04:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-21 22:04:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:04:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 22:04:44,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113591404] [2020-08-21 22:04:44,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:04:44,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 22:04:44,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754064572] [2020-08-21 22:04:44,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 22:04:44,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:04:44,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 22:04:44,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:04:44,983 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 9 states. [2020-08-21 22:04:45,361 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 22:04:45,973 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:04:46,621 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:04:46,879 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 22:04:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:04:47,041 INFO L93 Difference]: Finished difference Result 426 states and 550 transitions. [2020-08-21 22:04:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 22:04:47,041 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-08-21 22:04:47,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:04:47,042 INFO L225 Difference]: With dead ends: 426 [2020-08-21 22:04:47,043 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 22:04:47,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 22:04:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 22:04:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 22:04:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 22:04:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 22:04:47,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-08-21 22:04:47,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:04:47,047 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 22:04:47,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 22:04:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 22:04:47,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 22:04:47,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 22:04:47,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 22:04:48,699 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 22:04:48,910 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 22:04:49,099 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 22:04:49,252 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 22:04:49,418 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 22:04:49,636 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 22:04:49,817 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 22:04:50,175 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-08-21 22:04:50,359 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 22:04:50,659 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 22:04:50,838 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 22:04:51,134 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 22:04:51,485 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-08-21 22:04:51,649 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 22:04:51,812 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 22:04:51,983 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 22:04:52,132 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-08-21 22:04:52,271 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 22:04:52,444 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-08-21 22:04:52,777 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 9 [2020-08-21 22:04:52,951 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 22:04:53,121 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 25 [2020-08-21 22:04:53,477 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-08-21 22:04:53,506 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-08-21 22:04:53,506 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-08-21 22:04:53,506 INFO L268 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-08-21 22:04:53,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-08-21 22:04:53,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-08-21 22:04:53,507 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-08-21 22:04:53,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-08-21 22:04:53,509 INFO L268 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-08-21 22:04:53,509 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-08-21 22:04:53,509 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 22:04:53,509 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-08-21 22:04:53,509 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-08-21 22:04:53,509 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 774 780) the Hoare annotation is: true [2020-08-21 22:04:53,510 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 774 780) no Hoare annotation was computed. [2020-08-21 22:04:53,510 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 781 789) no Hoare annotation was computed. [2020-08-21 22:04:53,510 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 781 789) the Hoare annotation is: true [2020-08-21 22:04:53,510 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 781 789) no Hoare annotation was computed. [2020-08-21 22:04:53,510 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 882 889) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 22:04:53,511 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 882 889) no Hoare annotation was computed. [2020-08-21 22:04:53,511 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 882 889) no Hoare annotation was computed. [2020-08-21 22:04:53,511 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 890 899) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2020-08-21 22:04:53,511 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-08-21 22:04:53,511 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 890 899) no Hoare annotation was computed. [2020-08-21 22:04:53,511 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 890 899) no Hoare annotation was computed. [2020-08-21 22:04:53,511 INFO L264 CegarLoopResult]: At program point L915(line 915) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 22:04:53,512 INFO L268 CegarLoopResult]: For program point L913(lines 913 919) no Hoare annotation was computed. [2020-08-21 22:04:53,512 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 900 928) the Hoare annotation is: true [2020-08-21 22:04:53,512 INFO L268 CegarLoopResult]: For program point L912(lines 912 922) no Hoare annotation was computed. [2020-08-21 22:04:53,512 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-08-21 22:04:53,512 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-08-21 22:04:53,512 INFO L268 CegarLoopResult]: For program point L908(lines 908 925) no Hoare annotation was computed. [2020-08-21 22:04:53,512 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 900 928) no Hoare annotation was computed. [2020-08-21 22:04:53,512 INFO L268 CegarLoopResult]: For program point L908-1(lines 900 928) no Hoare annotation was computed. [2020-08-21 22:04:53,513 INFO L271 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: true [2020-08-21 22:04:53,513 INFO L268 CegarLoopResult]: For program point L906-1(line 906) no Hoare annotation was computed. [2020-08-21 22:04:53,513 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,513 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,514 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,514 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,514 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-21 22:04:53,514 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-21 22:04:53,514 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 22:04:53,514 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 22:04:53,515 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 22:04:53,516 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 22:04:53,517 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-21 22:04:53,517 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 22:04:53,517 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 22:04:53,517 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-21 22:04:53,517 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 551 557) no Hoare annotation was computed. [2020-08-21 22:04:53,517 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 551 557) the Hoare annotation is: true [2020-08-21 22:04:53,517 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 673 687) no Hoare annotation was computed. [2020-08-21 22:04:53,518 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 22:04:53,518 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 673 687) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 22:04:53,518 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-08-21 22:04:53,518 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 673 687) no Hoare annotation was computed. [2020-08-21 22:04:53,518 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 584 591) no Hoare annotation was computed. [2020-08-21 22:04:53,518 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 584 591) no Hoare annotation was computed. [2020-08-21 22:04:53,518 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 584 591) no Hoare annotation was computed. [2020-08-21 22:04:53,518 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 628 636) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 628 636) the Hoare annotation is: true [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 628 636) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point L667-1(line 667) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 637 672) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-08-21 22:04:53,519 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 637 672) no Hoare annotation was computed. [2020-08-21 22:04:53,520 INFO L268 CegarLoopResult]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-08-21 22:04:53,520 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 637 672) no Hoare annotation was computed. [2020-08-21 22:04:53,520 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-08-21 22:04:53,520 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 767 773) no Hoare annotation was computed. [2020-08-21 22:04:53,520 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 767 773) the Hoare annotation is: true [2020-08-21 22:04:53,520 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-08-21 22:04:53,520 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-08-21 22:04:53,521 INFO L268 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-08-21 22:04:53,522 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,522 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,522 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-21 22:04:53,522 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-21 22:04:53,522 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 617 627) the Hoare annotation is: true [2020-08-21 22:04:53,522 INFO L271 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: true [2020-08-21 22:04:53,523 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-08-21 22:04:53,523 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 617 627) no Hoare annotation was computed. [2020-08-21 22:04:53,523 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 617 627) no Hoare annotation was computed. [2020-08-21 22:04:53,523 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 609 616) the Hoare annotation is: true [2020-08-21 22:04:53,523 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 609 616) no Hoare annotation was computed. [2020-08-21 22:04:53,523 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 609 616) no Hoare annotation was computed. [2020-08-21 22:04:53,523 INFO L268 CegarLoopResult]: For program point L578-1(lines 559 583) no Hoare annotation was computed. [2020-08-21 22:04:53,524 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,524 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,524 INFO L268 CegarLoopResult]: For program point L567(lines 567 575) no Hoare annotation was computed. [2020-08-21 22:04:53,524 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 559 583) no Hoare annotation was computed. [2020-08-21 22:04:53,524 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,524 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-08-21 22:04:53,524 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 559 583) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,525 INFO L268 CegarLoopResult]: For program point L563(lines 563 580) no Hoare annotation was computed. [2020-08-21 22:04:53,525 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,525 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:04:53,525 INFO L264 CegarLoopResult]: At program point testENTRY(lines 689 754) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,525 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-08-21 22:04:53,525 INFO L264 CegarLoopResult]: At program point L735-1(lines 729 742) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:04:53,526 INFO L268 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2020-08-21 22:04:53,526 INFO L268 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2020-08-21 22:04:53,526 INFO L268 CegarLoopResult]: For program point testFINAL(lines 689 754) no Hoare annotation was computed. [2020-08-21 22:04:53,526 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:04:53,526 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-08-21 22:04:53,526 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-08-21 22:04:53,526 INFO L264 CegarLoopResult]: At program point L744(lines 699 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:04:53,527 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 22:04:53,527 INFO L268 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2020-08-21 22:04:53,527 INFO L268 CegarLoopResult]: For program point L709-1(lines 709 715) no Hoare annotation was computed. [2020-08-21 22:04:53,527 INFO L268 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2020-08-21 22:04:53,527 INFO L264 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,527 INFO L268 CegarLoopResult]: For program point testEXIT(lines 689 754) no Hoare annotation was computed. [2020-08-21 22:04:53,527 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point L847(lines 847 855) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point L847-2(lines 847 855) no Hoare annotation was computed. [2020-08-21 22:04:53,528 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 839 861) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 839 861) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 839 861) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-08-21 22:04:53,529 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-08-21 22:04:53,530 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 757 766) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 757 766) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 757 766) no Hoare annotation was computed. [2020-08-21 22:04:53,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,532 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~string50.base| |old(#t~string50.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~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.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)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.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)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 22:04:53,532 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,532 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 592 608) no Hoare annotation was computed. [2020-08-21 22:04:53,532 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-08-21 22:04:53,532 INFO L268 CegarLoopResult]: For program point L603-1(lines 592 608) no Hoare annotation was computed. [2020-08-21 22:04:53,532 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 592 608) no Hoare annotation was computed. [2020-08-21 22:04:53,533 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-08-21 22:04:53,533 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-08-21 22:04:53,533 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-08-21 22:04:53,533 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 862 870) the Hoare annotation is: true [2020-08-21 22:04:53,533 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 862 870) no Hoare annotation was computed. [2020-08-21 22:04:53,533 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 862 870) no Hoare annotation was computed. [2020-08-21 22:04:53,533 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 818 829) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 22:04:53,534 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 818 829) no Hoare annotation was computed. [2020-08-21 22:04:53,534 INFO L268 CegarLoopResult]: For program point L822-1(lines 818 829) no Hoare annotation was computed. [2020-08-21 22:04:53,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,534 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,534 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,534 INFO L264 CegarLoopResult]: At program point L538(lines 538 544) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-08-21 22:04:53,534 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 22:04:53,535 INFO L268 CegarLoopResult]: For program point L531(lines 527 549) no Hoare annotation was computed. [2020-08-21 22:04:53,535 INFO L268 CegarLoopResult]: For program point L529(lines 527 549) no Hoare annotation was computed. [2020-08-21 22:04:53,535 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 524 550) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 22:04:53,535 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 524 550) no Hoare annotation was computed. [2020-08-21 22:04:53,535 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 524 550) no Hoare annotation was computed. [2020-08-21 22:04:53,535 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-21 22:04:53,535 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 22:04:53,535 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-21 22:04:53,536 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-21 22:04:53,536 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-21 22:04:53,536 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-21 22:04:53,536 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-21 22:04:53,536 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-21 22:04:53,536 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-21 22:04:53,536 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-21 22:04:53,537 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 830 838) the Hoare annotation is: true [2020-08-21 22:04:53,537 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 830 838) no Hoare annotation was computed. [2020-08-21 22:04:53,537 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 830 838) no Hoare annotation was computed. [2020-08-21 22:04:53,537 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 794 805) the Hoare annotation is: true [2020-08-21 22:04:53,537 INFO L268 CegarLoopResult]: For program point L798-1(lines 794 805) no Hoare annotation was computed. [2020-08-21 22:04:53,537 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 794 805) no Hoare annotation was computed. [2020-08-21 22:04:53,537 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-21 22:04:53,537 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-21 22:04:53,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,538 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 22:04:53,538 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 22:04:53,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 22:04:53,538 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 806 817) no Hoare annotation was computed. [2020-08-21 22:04:53,538 INFO L268 CegarLoopResult]: For program point L810-1(lines 806 817) no Hoare annotation was computed. [2020-08-21 22:04:53,539 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 806 817) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 22:04:53,539 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 872 879) no Hoare annotation was computed. [2020-08-21 22:04:53,539 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2020-08-21 22:04:53,539 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 872 879) the Hoare annotation is: true [2020-08-21 22:04:53,539 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 872 879) no Hoare annotation was computed. [2020-08-21 22:04:53,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 10:04:53 BoogieIcfgContainer [2020-08-21 22:04:53,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 22:04:53,559 INFO L168 Benchmark]: Toolchain (without parser) took 19135.23 ms. Allocated memory was 146.3 MB in the beginning and 559.9 MB in the end (delta: 413.7 MB). Free memory was 101.0 MB in the beginning and 271.7 MB in the end (delta: -170.7 MB). Peak memory consumption was 393.1 MB. Max. memory is 7.1 GB. [2020-08-21 22:04:53,560 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 22:04:53,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.74 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 100.8 MB in the beginning and 169.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-08-21 22:04:53,561 INFO L168 Benchmark]: Boogie Preprocessor took 116.48 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 22:04:53,562 INFO L168 Benchmark]: RCFGBuilder took 1288.40 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 196.5 MB in the end (delta: -31.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-08-21 22:04:53,563 INFO L168 Benchmark]: TraceAbstraction took 17040.10 ms. Allocated memory was 235.9 MB in the beginning and 559.9 MB in the end (delta: 324.0 MB). Free memory was 195.0 MB in the beginning and 271.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 397.5 MB. Max. memory is 7.1 GB. [2020-08-21 22:04:53,567 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.74 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 100.8 MB in the beginning and 169.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.48 ms. Allocated memory is still 202.4 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1288.40 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 196.5 MB in the end (delta: -31.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17040.10 ms. Allocated memory was 235.9 MB in the beginning and 559.9 MB in the end (delta: 324.0 MB). Free memory was 195.0 MB in the beginning and 271.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 397.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 876]: 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: 699]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 409 SDtfs, 768 SDslu, 427 SDs, 0 SdLazy, 1545 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 166 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 354 PreInvPairs, 396 NumberOfFragments, 669 HoareAnnotationTreeSize, 354 FomulaSimplifications, 13617 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 9739 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 76486 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...