/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:08:47,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:08:47,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:08:47,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:08:47,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:08:47,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:08:47,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:08:47,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:08:47,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:08:47,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:08:47,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:08:47,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:08:47,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:08:47,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:08:47,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:08:47,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:08:47,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:08:47,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:08:47,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:08:47,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:08:47,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:08:47,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:08:47,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:08:47,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:08:47,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:08:47,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:08:47,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:08:47,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:08:47,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:08:47,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:08:47,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:08:47,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:08:47,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:08:47,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:08:47,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:08:47,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:08:47,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:08:47,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:08:47,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:08:47,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:08:47,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:08:47,441 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 [2020-08-19 04:08:47,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:08:47,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:08:47,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:08:47,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:08:47,481 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:08:47,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:08:47,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:08:47,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:08:47,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:08:47,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:08:47,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:08:47,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:08:47,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:08:47,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:08:47,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:08:47,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:08:47,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:08:47,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:08:47,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:08:47,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:08:47,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:08:47,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:08:47,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:08:47,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:08:47,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:08:47,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:08:47,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:08:47,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:08:47,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:08:47,487 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=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; [2020-08-19 04:08:47,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:08:47,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:08:47,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:08:47,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:08:47,817 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:08:47,818 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-08-19 04:08:47,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/488db3611/efa783c5dbde49358861f953a70b591b/FLAG2b726db1f [2020-08-19 04:08:48,315 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:08:48,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product32.cil.c [2020-08-19 04:08:48,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/488db3611/efa783c5dbde49358861f953a70b591b/FLAG2b726db1f [2020-08-19 04:08:48,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/488db3611/efa783c5dbde49358861f953a70b591b [2020-08-19 04:08:48,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:08:48,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:08:48,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:08:48,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:08:48,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:08:48,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:08:48" (1/1) ... [2020-08-19 04:08:48,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:48, skipping insertion in model container [2020-08-19 04:08:48,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:08:48" (1/1) ... [2020-08-19 04:08:48,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:08:48,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:08:49,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:08:49,207 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:08:49,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:08:49,329 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:08:49,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49 WrapperNode [2020-08-19 04:08:49,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:08:49,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:08:49,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:08:49,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:08:49,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (1/1) ... [2020-08-19 04:08:49,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:08:49,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:08:49,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:08:49,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:08:49,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (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 [2020-08-19 04:08:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:08:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:08:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 04:08:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 04:08:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 04:08:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 04:08:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 04:08:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 04:08:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 04:08:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 04:08:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 04:08:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 04:08:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 04:08:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 04:08:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-19 04:08:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 04:08:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 04:08:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 04:08:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 04:08:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 04:08:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-19 04:08:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 04:08:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 04:08:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 04:08:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 04:08:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 04:08:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 04:08:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 04:08:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 04:08:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 04:08:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 04:08:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 04:08:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 04:08:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 04:08:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 04:08:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 04:08:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 04:08:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 04:08:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-19 04:08:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 04:08:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 04:08:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 04:08:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 04:08:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 04:08:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-19 04:08:49,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 04:08:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-19 04:08:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 04:08:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 04:08:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 04:08:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:08:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:08:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 04:08:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:08:50,681 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:08:50,683 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 04:08:50,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:08:50 BoogieIcfgContainer [2020-08-19 04:08:50,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:08:50,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:08:50,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:08:50,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:08:50,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:08:48" (1/3) ... [2020-08-19 04:08:50,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579262ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:08:50, skipping insertion in model container [2020-08-19 04:08:50,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:49" (2/3) ... [2020-08-19 04:08:50,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579262ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:08:50, skipping insertion in model container [2020-08-19 04:08:50,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:08:50" (3/3) ... [2020-08-19 04:08:50,700 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2020-08-19 04:08:50,710 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:08:50,720 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:08:50,733 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:08:50,764 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:08:50,764 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:08:50,764 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:08:50,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:08:50,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:08:50,766 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:08:50,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:08:50,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:08:50,792 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2020-08-19 04:08:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 04:08:50,803 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:50,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:50,804 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:50,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:50,809 INFO L82 PathProgramCache]: Analyzing trace with hash 878433908, now seen corresponding path program 1 times [2020-08-19 04:08:50,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:50,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587372830] [2020-08-19 04:08:50,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,433 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:51,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 04:08:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 04:08:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:51,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587372830] [2020-08-19 04:08:51,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:51,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 04:08:51,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314998948] [2020-08-19 04:08:51,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 04:08:51,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:51,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 04:08:51,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 04:08:51,578 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 3 states. [2020-08-19 04:08:52,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:52,775 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-08-19 04:08:52,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 04:08:52,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 04:08:52,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:52,792 INFO L225 Difference]: With dead ends: 302 [2020-08-19 04:08:52,792 INFO L226 Difference]: Without dead ends: 164 [2020-08-19 04:08:52,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 04:08:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-19 04:08:52,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-08-19 04:08:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-08-19 04:08:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-08-19 04:08:52,883 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-08-19 04:08:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:52,884 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-08-19 04:08:52,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 04:08:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-08-19 04:08:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 04:08:52,888 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:52,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:52,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:08:52,888 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:52,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:52,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1259616678, now seen corresponding path program 1 times [2020-08-19 04:08:52,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:52,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649513008] [2020-08-19 04:08:52,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,211 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:53,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 04:08:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 04:08:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:53,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649513008] [2020-08-19 04:08:53,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:53,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 04:08:53,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816484718] [2020-08-19 04:08:53,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 04:08:53,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 04:08:53,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 04:08:53,255 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 4 states. [2020-08-19 04:08:53,703 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:08:54,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:54,539 INFO L93 Difference]: Finished difference Result 225 states and 278 transitions. [2020-08-19 04:08:54,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:08:54,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 04:08:54,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:54,543 INFO L225 Difference]: With dead ends: 225 [2020-08-19 04:08:54,543 INFO L226 Difference]: Without dead ends: 148 [2020-08-19 04:08:54,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:08:54,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-19 04:08:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2020-08-19 04:08:54,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-19 04:08:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-08-19 04:08:54,586 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-08-19 04:08:54,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:54,586 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-08-19 04:08:54,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 04:08:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-08-19 04:08:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 04:08:54,589 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:54,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:54,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:08:54,589 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:54,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:54,590 INFO L82 PathProgramCache]: Analyzing trace with hash 357693267, now seen corresponding path program 1 times [2020-08-19 04:08:54,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:54,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999437774] [2020-08-19 04:08:54,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,890 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:54,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 04:08:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 04:08:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:54,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999437774] [2020-08-19 04:08:54,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:54,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:08:54,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659053694] [2020-08-19 04:08:54,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:08:54,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:54,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:08:54,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:08:54,963 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 8 states. [2020-08-19 04:08:55,299 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:08:55,618 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:55,855 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:56,073 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:56,802 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:08:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:58,489 INFO L93 Difference]: Finished difference Result 415 states and 520 transitions. [2020-08-19 04:08:58,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:08:58,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 04:08:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:58,494 INFO L225 Difference]: With dead ends: 415 [2020-08-19 04:08:58,495 INFO L226 Difference]: Without dead ends: 319 [2020-08-19 04:08:58,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:08:58,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-08-19 04:08:58,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 254. [2020-08-19 04:08:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-19 04:08:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2020-08-19 04:08:58,567 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 52 [2020-08-19 04:08:58,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:58,568 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2020-08-19 04:08:58,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:08:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2020-08-19 04:08:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-19 04:08:58,571 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:58,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:58,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:08:58,571 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:58,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:58,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1656866468, now seen corresponding path program 1 times [2020-08-19 04:08:58,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:58,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967404443] [2020-08-19 04:08:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,860 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 04:08:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-19 04:08:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-19 04:08:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:58,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:58,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967404443] [2020-08-19 04:08:58,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:58,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:08:58,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370744408] [2020-08-19 04:08:58,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:08:58,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:58,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:08:58,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:08:58,976 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand 8 states. [2020-08-19 04:08:59,315 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:09:00,275 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:09:00,608 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:09:00,863 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:09:01,119 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:09:01,574 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:09:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:09:02,468 INFO L93 Difference]: Finished difference Result 823 states and 1081 transitions. [2020-08-19 04:09:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 04:09:02,469 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-19 04:09:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:09:02,477 INFO L225 Difference]: With dead ends: 823 [2020-08-19 04:09:02,477 INFO L226 Difference]: Without dead ends: 593 [2020-08-19 04:09:02,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:09:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-08-19 04:09:02,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 463. [2020-08-19 04:09:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-19 04:09:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2020-08-19 04:09:02,599 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 57 [2020-08-19 04:09:02,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:09:02,600 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2020-08-19 04:09:02,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:09:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2020-08-19 04:09:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-19 04:09:02,603 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:09:02,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:09:02,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:09:02,604 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:09:02,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:09:02,604 INFO L82 PathProgramCache]: Analyzing trace with hash -403422112, now seen corresponding path program 1 times [2020-08-19 04:09:02,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:09:02,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006252331] [2020-08-19 04:09:02,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:09:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,890 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:09:02,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:09:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:09:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:09:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:09:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:09:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-19 04:09:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:09:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 04:09:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-19 04:09:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:09:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:09:03,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006252331] [2020-08-19 04:09:03,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:09:03,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:09:03,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375296671] [2020-08-19 04:09:03,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:09:03,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:09:03,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:09:03,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:09:03,021 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 9 states. [2020-08-19 04:09:03,356 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:09:04,267 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:09:04,515 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:09:04,740 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:09:05,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:09:05,137 INFO L93 Difference]: Finished difference Result 865 states and 1149 transitions. [2020-08-19 04:09:05,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 04:09:05,138 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-19 04:09:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:09:05,138 INFO L225 Difference]: With dead ends: 865 [2020-08-19 04:09:05,138 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 04:09:05,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-19 04:09:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 04:09:05,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 04:09:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 04:09:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 04:09:05,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-19 04:09:05,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:09:05,142 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 04:09:05,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:09:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 04:09:05,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 04:09:05,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 04:09:05,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 04:09:08,413 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 04:09:08,574 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:09:08,724 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-19 04:09:09,215 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-19 04:09:09,441 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-19 04:09:09,594 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:09:09,886 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-19 04:09:10,077 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:09:10,231 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:09:10,535 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-19 04:09:10,707 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-19 04:09:10,997 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-19 04:09:11,149 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 04:09:11,492 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-19 04:09:11,799 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 04:09:12,107 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 04:09:12,289 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 04:09:12,442 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:09:12,604 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 04:09:12,908 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-19 04:09:13,063 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:09:13,230 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 04:09:13,532 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-19 04:09:13,707 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-19 04:09:14,022 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-19 04:09:14,177 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:09:14,181 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-19 04:09:14,182 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-19 04:09:14,182 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 04:09:14,182 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-19 04:09:14,182 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-19 04:09:14,182 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-19 04:09:14,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-19 04:09:14,183 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-19 04:09:14,183 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 04:09:14,183 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-19 04:09:14,184 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-19 04:09:14,184 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-19 04:09:14,184 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-19 04:09:14,184 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 04:09:14,184 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-19 04:09:14,184 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-19 04:09:14,185 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-19 04:09:14,185 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-19 04:09:14,185 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 523 529) the Hoare annotation is: true [2020-08-19 04:09:14,185 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 523 529) no Hoare annotation was computed. [2020-08-19 04:09:14,185 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 530 538) no Hoare annotation was computed. [2020-08-19 04:09:14,185 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 530 538) the Hoare annotation is: true [2020-08-19 04:09:14,185 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 530 538) no Hoare annotation was computed. [2020-08-19 04:09:14,186 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 943 965) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,186 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,186 INFO L264 CegarLoopResult]: At program point L955-1(line 955) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~9 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,186 INFO L268 CegarLoopResult]: For program point L953(lines 953 960) no Hoare annotation was computed. [2020-08-19 04:09:14,186 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 943 965) no Hoare annotation was computed. [2020-08-19 04:09:14,187 INFO L268 CegarLoopResult]: For program point L953-1(lines 953 960) no Hoare annotation was computed. [2020-08-19 04:09:14,187 INFO L268 CegarLoopResult]: For program point L951(line 951) no Hoare annotation was computed. [2020-08-19 04:09:14,187 INFO L264 CegarLoopResult]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,187 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,187 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 943 965) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 902 925) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 902 925) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 902 925) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L917(line 917) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-08-19 04:09:14,188 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,189 INFO L268 CegarLoopResult]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2020-08-19 04:09:14,189 INFO L264 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,189 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,190 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 679 703) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-08-19 04:09:14,190 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 679 703) no Hoare annotation was computed. [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 838 852) no Hoare annotation was computed. [2020-08-19 04:09:14,190 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-08-19 04:09:14,190 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 838 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-19 04:09:14,190 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 838 852) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-08-19 04:09:14,191 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 516 522) no Hoare annotation was computed. [2020-08-19 04:09:14,192 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 516 522) the Hoare annotation is: true [2020-08-19 04:09:14,192 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-19 04:09:14,193 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-19 04:09:14,194 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 933 942) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,194 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 933 942) no Hoare annotation was computed. [2020-08-19 04:09:14,194 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 933 942) no Hoare annotation was computed. [2020-08-19 04:09:14,194 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-08-19 04:09:14,194 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 763 773) the Hoare annotation is: true [2020-08-19 04:09:14,194 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-08-19 04:09:14,194 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-08-19 04:09:14,195 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-08-19 04:09:14,195 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 755 762) the Hoare annotation is: true [2020-08-19 04:09:14,195 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-08-19 04:09:14,195 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-08-19 04:09:14,195 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 705 729) no Hoare annotation was computed. [2020-08-19 04:09:14,195 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,195 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 705 729) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,195 INFO L268 CegarLoopResult]: For program point L724-1(lines 705 729) no Hoare annotation was computed. [2020-08-19 04:09:14,196 INFO L264 CegarLoopResult]: At program point L719(line 719) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,196 INFO L264 CegarLoopResult]: At program point L715(line 715) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,196 INFO L268 CegarLoopResult]: For program point L713(lines 713 721) no Hoare annotation was computed. [2020-08-19 04:09:14,196 INFO L264 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,196 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-08-19 04:09:14,196 INFO L268 CegarLoopResult]: For program point L709(lines 709 726) no Hoare annotation was computed. [2020-08-19 04:09:14,196 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 671 677) no Hoare annotation was computed. [2020-08-19 04:09:14,196 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 671 677) the Hoare annotation is: true [2020-08-19 04:09:14,196 INFO L264 CegarLoopResult]: At program point testENTRY(lines 572 639) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,196 INFO L264 CegarLoopResult]: At program point L632(lines 581 633) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:09:14,196 INFO L268 CegarLoopResult]: For program point testFINAL(lines 572 639) no Hoare annotation was computed. [2020-08-19 04:09:14,197 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:09:14,197 INFO L268 CegarLoopResult]: For program point L620(lines 620 626) no Hoare annotation was computed. [2020-08-19 04:09:14,197 INFO L264 CegarLoopResult]: At program point L620-1(lines 612 627) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:09:14,197 INFO L268 CegarLoopResult]: For program point L583(lines 582 631) no Hoare annotation was computed. [2020-08-19 04:09:14,197 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:09:14,197 INFO L268 CegarLoopResult]: For program point L612(lines 612 627) no Hoare annotation was computed. [2020-08-19 04:09:14,197 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:09:14,197 INFO L268 CegarLoopResult]: For program point L602(lines 602 608) no Hoare annotation was computed. [2020-08-19 04:09:14,197 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2020-08-19 04:09:14,197 INFO L264 CegarLoopResult]: At program point L629(lines 582 631) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:09:14,198 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point L592(lines 592 598) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point testEXIT(lines 572 639) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-19 04:09:14,198 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 730 737) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 730 737) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 730 737) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-08-19 04:09:14,199 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-19 04:09:14,200 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-19 04:09:14,201 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 506 515) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 506 515) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 506 515) no Hoare annotation was computed. [2020-08-19 04:09:14,202 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,203 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.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~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 04:09:14,203 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,203 INFO L268 CegarLoopResult]: For program point L749(line 749) no Hoare annotation was computed. [2020-08-19 04:09:14,203 INFO L268 CegarLoopResult]: For program point L749-1(lines 738 754) no Hoare annotation was computed. [2020-08-19 04:09:14,203 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 738 754) no Hoare annotation was computed. [2020-08-19 04:09:14,203 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-08-19 04:09:14,203 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 738 754) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,204 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,205 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 04:09:14,205 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-19 04:09:14,205 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-19 04:09:14,205 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-08-19 04:09:14,205 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-08-19 04:09:14,205 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-08-19 04:09:14,205 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,205 INFO L264 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,206 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:09:14,206 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-19 04:09:14,206 INFO L268 CegarLoopResult]: For program point L651(lines 650 669) no Hoare annotation was computed. [2020-08-19 04:09:14,206 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2020-08-19 04:09:14,206 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2020-08-19 04:09:14,206 INFO L271 CegarLoopResult]: At program point L897(lines 872 901) the Hoare annotation is: true [2020-08-19 04:09:14,206 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 872 901) no Hoare annotation was computed. [2020-08-19 04:09:14,207 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-19 04:09:14,207 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 872 901) the Hoare annotation is: true [2020-08-19 04:09:14,207 INFO L268 CegarLoopResult]: For program point L886(lines 886 890) no Hoare annotation was computed. [2020-08-19 04:09:14,207 INFO L271 CegarLoopResult]: At program point L886-1(lines 886 890) the Hoare annotation is: true [2020-08-19 04:09:14,207 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-08-19 04:09:14,207 INFO L271 CegarLoopResult]: At program point L882-2(lines 882 896) the Hoare annotation is: true [2020-08-19 04:09:14,207 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-08-19 04:09:14,207 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-08-19 04:09:14,208 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-08-19 04:09:14,208 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-08-19 04:09:14,208 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-08-19 04:09:14,208 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 926 932) no Hoare annotation was computed. [2020-08-19 04:09:14,208 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 926 932) the Hoare annotation is: true [2020-08-19 04:09:14,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,208 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 04:09:14,208 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 04:09:14,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:09:14,209 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2020-08-19 04:09:14,209 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-19 04:09:14,209 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2020-08-19 04:09:14,209 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-19 04:09:14,209 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-19 04:09:14,209 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-19 04:09:14,210 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 862 869) no Hoare annotation was computed. [2020-08-19 04:09:14,210 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2020-08-19 04:09:14,210 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 862 869) the Hoare annotation is: true [2020-08-19 04:09:14,210 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 862 869) no Hoare annotation was computed. [2020-08-19 04:09:14,210 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 542 566) the Hoare annotation is: true [2020-08-19 04:09:14,210 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 542 566) no Hoare annotation was computed. [2020-08-19 04:09:14,210 INFO L264 CegarLoopResult]: At program point L556(line 556) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-19 04:09:14,211 INFO L268 CegarLoopResult]: For program point L554(lines 554 560) no Hoare annotation was computed. [2020-08-19 04:09:14,211 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-19 04:09:14,211 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-08-19 04:09:14,211 INFO L268 CegarLoopResult]: For program point L550(lines 550 563) no Hoare annotation was computed. [2020-08-19 04:09:14,211 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 566) no Hoare annotation was computed. [2020-08-19 04:09:14,211 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-08-19 04:09:14,211 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-08-19 04:09:14,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 04:09:14 BoogieIcfgContainer [2020-08-19 04:09:14,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 04:09:14,230 INFO L168 Benchmark]: Toolchain (without parser) took 25574.24 ms. Allocated memory was 142.1 MB in the beginning and 612.9 MB in the end (delta: 470.8 MB). Free memory was 103.8 MB in the beginning and 336.8 MB in the end (delta: -233.1 MB). Peak memory consumption was 467.7 MB. Max. memory is 7.1 GB. [2020-08-19 04:09:14,230 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 04:09:14,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.53 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 172.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-08-19 04:09:14,232 INFO L168 Benchmark]: Boogie Preprocessor took 145.02 ms. Allocated memory is still 203.9 MB. Free memory was 172.2 MB in the beginning and 166.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-08-19 04:09:14,233 INFO L168 Benchmark]: RCFGBuilder took 1213.55 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 166.0 MB in the beginning and 185.9 MB in the end (delta: -20.0 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. [2020-08-19 04:09:14,234 INFO L168 Benchmark]: TraceAbstraction took 23534.77 ms. Allocated memory was 233.8 MB in the beginning and 612.9 MB in the end (delta: 379.1 MB). Free memory was 185.9 MB in the beginning and 336.8 MB in the end (delta: -150.9 MB). Peak memory consumption was 458.1 MB. Max. memory is 7.1 GB. [2020-08-19 04:09:14,238 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.53 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 103.6 MB in the beginning and 172.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.02 ms. Allocated memory is still 203.9 MB. Free memory was 172.2 MB in the beginning and 166.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1213.55 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 166.0 MB in the beginning and 185.9 MB in the end (delta: -20.0 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23534.77 ms. Allocated memory was 233.8 MB in the beginning and 612.9 MB in the end (delta: 379.1 MB). Free memory was 185.9 MB in the beginning and 336.8 MB in the end (delta: -150.9 MB). Peak memory consumption was 458.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 866]: 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: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 561 SDtfs, 921 SDslu, 466 SDs, 0 SdLazy, 2373 SolverSat, 632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 651 PreInvPairs, 754 NumberOfFragments, 753 HoareAnnotationTreeSize, 651 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 61 FomulaSimplificationsInter, 18981 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...