/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=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:00:13,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 12:00:13,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 12:00:13,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 12:00:13,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 12:00:13,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 12:00:13,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 12:00:13,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 12:00:13,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 12:00:13,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 12:00:13,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 12:00:13,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 12:00:13,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:00:13,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:00:13,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:00:13,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:00:13,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:00:13,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:00:13,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:00:13,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:00:13,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:00:13,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:00:13,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:00:13,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:00:13,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 12:00:13,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 12:00:13,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 12:00:13,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 12:00:13,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 12:00:13,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 12:00:13,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 12:00:13,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 12:00:13,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 12:00:13,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 12:00:13,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 12:00:13,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 12:00:13,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 12:00:13,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 12:00:13,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:00:13,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:00:13,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:00:13,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 12:00:13,432 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:00:13,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:00:13,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:00:13,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:00:13,434 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:00:13,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:00:13,435 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:00:13,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:00:13,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:00:13,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:00:13,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:00:13,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:00:13,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:00:13,436 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:00:13,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:00:13,436 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:00:13,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:00:13,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:00:13,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:00:13,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:00:13,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:00:13,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:00:13,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:00:13,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:00:13,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:00:13,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:00:13,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:00:13,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:00:13,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:00:13,439 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=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 12:00:13,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:00:13,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:00:13,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:00:13,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:00:13,779 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:00:13,780 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2020-08-18 12:00:13,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c85d2725/a331e404f7ac463494fa1fdd3f0f2230/FLAG77c0362d5 [2020-08-18 12:00:14,370 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:00:14,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2020-08-18 12:00:14,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c85d2725/a331e404f7ac463494fa1fdd3f0f2230/FLAG77c0362d5 [2020-08-18 12:00:14,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c85d2725/a331e404f7ac463494fa1fdd3f0f2230 [2020-08-18 12:00:14,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:00:14,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:00:14,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:00:14,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:00:14,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:00:14,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:00:14" (1/1) ... [2020-08-18 12:00:14,735 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 18.08 12:00:14, skipping insertion in model container [2020-08-18 12:00:14,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:00:14" (1/1) ... [2020-08-18 12:00:14,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:00:14,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:00:15,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:00:15,237 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:00:15,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:00:15,373 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:00:15,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15 WrapperNode [2020-08-18 12:00:15,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:00:15,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:00:15,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:00:15,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:00:15,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... [2020-08-18 12:00:15,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:00:15,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:00:15,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:00:15,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:00:15,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:00:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:00:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:00:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 12:00:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 12:00:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 12:00:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 12:00:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 12:00:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 12:00:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 12:00:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 12:00:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 12:00:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 12:00:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 12:00:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 12:00:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 12:00:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 12:00:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 12:00:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 12:00:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 12:00:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 12:00:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 12:00:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 12:00:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 12:00:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 12:00:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 12:00:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 12:00:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 12:00:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 12:00:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 12:00:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 12:00:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 12:00:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 12:00:15,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:00:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:00:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:00:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 12:00:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 12:00:15,548 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 12:00:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 12:00:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 12:00:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 12:00:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 12:00:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 12:00:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 12:00:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 12:00:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 12:00:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 12:00:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 12:00:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 12:00:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 12:00:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 12:00:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 12:00:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 12:00:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 12:00:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 12:00:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 12:00:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 12:00:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 12:00:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:00:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:00:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 12:00:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:00:16,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:00:16,660 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 12:00:16,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:00:16 BoogieIcfgContainer [2020-08-18 12:00:16,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:00:16,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:00:16,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:00:16,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:00:16,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:00:14" (1/3) ... [2020-08-18 12:00:16,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318bd99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:00:16, skipping insertion in model container [2020-08-18 12:00:16,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:15" (2/3) ... [2020-08-18 12:00:16,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318bd99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:00:16, skipping insertion in model container [2020-08-18 12:00:16,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:00:16" (3/3) ... [2020-08-18 12:00:16,673 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2020-08-18 12:00:16,684 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:00:16,692 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:00:16,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:00:16,725 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:00:16,725 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:00:16,725 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:00:16,725 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:00:16,726 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:00:16,726 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:00:16,726 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:00:16,726 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:00:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-08-18 12:00:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 12:00:16,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:16,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:16,758 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:16,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:16,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1031127634, now seen corresponding path program 1 times [2020-08-18 12:00:16,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:16,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611727958] [2020-08-18 12:00:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,502 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:17,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 12:00:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 12:00:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:17,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611727958] [2020-08-18 12:00:17,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:17,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 12:00:17,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390309841] [2020-08-18 12:00:17,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 12:00:17,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:17,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 12:00:17,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 12:00:17,673 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-08-18 12:00:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:18,729 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-08-18 12:00:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 12:00:18,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 12:00:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:18,748 INFO L225 Difference]: With dead ends: 256 [2020-08-18 12:00:18,748 INFO L226 Difference]: Without dead ends: 139 [2020-08-18 12:00:18,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 12:00:18,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-18 12:00:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-08-18 12:00:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-18 12:00:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-08-18 12:00:18,841 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-08-18 12:00:18,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:18,842 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-08-18 12:00:18,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 12:00:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-08-18 12:00:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 12:00:18,845 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:18,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:18,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:00:18,846 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:18,847 INFO L82 PathProgramCache]: Analyzing trace with hash -303025831, now seen corresponding path program 1 times [2020-08-18 12:00:18,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:18,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127872945] [2020-08-18 12:00:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,162 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:19,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 12:00:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 12:00:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:19,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127872945] [2020-08-18 12:00:19,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:19,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 12:00:19,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201484121] [2020-08-18 12:00:19,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 12:00:19,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:19,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 12:00:19,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 12:00:19,209 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-08-18 12:00:19,650 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 12:00:20,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:20,275 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-08-18 12:00:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:00:20,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 12:00:20,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:20,278 INFO L225 Difference]: With dead ends: 185 [2020-08-18 12:00:20,278 INFO L226 Difference]: Without dead ends: 123 [2020-08-18 12:00:20,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:00:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-18 12:00:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-08-18 12:00:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 12:00:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-08-18 12:00:20,311 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-08-18 12:00:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:20,311 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-08-18 12:00:20,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 12:00:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-08-18 12:00:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 12:00:20,313 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:20,313 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] [2020-08-18 12:00:20,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:00:20,314 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:20,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:20,314 INFO L82 PathProgramCache]: Analyzing trace with hash -111885155, now seen corresponding path program 1 times [2020-08-18 12:00:20,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:20,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252779420] [2020-08-18 12:00:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,610 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:20,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 12:00:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 12:00:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:20,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252779420] [2020-08-18 12:00:20,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:20,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 12:00:20,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965845753] [2020-08-18 12:00:20,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:00:20,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:20,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:00:20,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:00:20,697 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2020-08-18 12:00:21,038 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:21,364 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:21,611 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:21,867 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:22,841 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-08-18 12:00:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:00:22,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 12:00:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:22,846 INFO L225 Difference]: With dead ends: 198 [2020-08-18 12:00:22,847 INFO L226 Difference]: Without dead ends: 123 [2020-08-18 12:00:22,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:00:22,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-18 12:00:22,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-08-18 12:00:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 12:00:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-08-18 12:00:22,878 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-08-18 12:00:22,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:22,879 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-08-18 12:00:22,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:00:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-08-18 12:00:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-18 12:00:22,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:22,881 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] [2020-08-18 12:00:22,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:00:22,881 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:22,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:22,882 INFO L82 PathProgramCache]: Analyzing trace with hash 558328282, now seen corresponding path program 1 times [2020-08-18 12:00:22,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:22,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454151739] [2020-08-18 12:00:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,199 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:23,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 12:00:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 12:00:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 12:00:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 12:00:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:23,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454151739] [2020-08-18 12:00:23,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:23,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 12:00:23,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676457592] [2020-08-18 12:00:23,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 12:00:23,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:23,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 12:00:23,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:00:23,322 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 12 states. [2020-08-18 12:00:23,732 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:24,036 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:24,281 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:24,548 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:25,069 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 12:00:25,867 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:26,170 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:26,436 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:26,662 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 12:00:26,888 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:27,213 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:27,508 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:27,755 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:28,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:28,796 INFO L93 Difference]: Finished difference Result 380 states and 506 transitions. [2020-08-18 12:00:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 12:00:28,796 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-08-18 12:00:28,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:28,801 INFO L225 Difference]: With dead ends: 380 [2020-08-18 12:00:28,801 INFO L226 Difference]: Without dead ends: 305 [2020-08-18 12:00:28,803 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 12:00:28,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-08-18 12:00:28,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 236. [2020-08-18 12:00:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-08-18 12:00:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2020-08-18 12:00:28,867 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 60 [2020-08-18 12:00:28,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:28,868 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2020-08-18 12:00:28,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 12:00:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2020-08-18 12:00:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 12:00:28,870 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:28,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:28,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:00:28,871 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1767139328, now seen corresponding path program 1 times [2020-08-18 12:00:28,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:28,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062831011] [2020-08-18 12:00:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,136 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:29,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 12:00:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 12:00:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 12:00:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 12:00:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 12:00:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:29,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062831011] [2020-08-18 12:00:29,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:29,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 12:00:29,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371098234] [2020-08-18 12:00:29,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 12:00:29,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:29,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 12:00:29,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:00:29,213 INFO L87 Difference]: Start difference. First operand 236 states and 277 transitions. Second operand 6 states. [2020-08-18 12:00:29,500 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:30,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:30,057 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2020-08-18 12:00:30,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:00:30,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-08-18 12:00:30,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:30,060 INFO L225 Difference]: With dead ends: 388 [2020-08-18 12:00:30,060 INFO L226 Difference]: Without dead ends: 176 [2020-08-18 12:00:30,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 12:00:30,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-18 12:00:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-08-18 12:00:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-08-18 12:00:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-08-18 12:00:30,102 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 64 [2020-08-18 12:00:30,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:30,102 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-08-18 12:00:30,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 12:00:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-08-18 12:00:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-08-18 12:00:30,104 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:30,104 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:30,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:00:30,105 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:30,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:30,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1970958153, now seen corresponding path program 1 times [2020-08-18 12:00:30,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:30,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517192507] [2020-08-18 12:00:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,362 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:30,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 12:00:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:00:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 12:00:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 12:00:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 12:00:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 12:00:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 12:00:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 12:00:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 12:00:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-18 12:00:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-18 12:00:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 12:00:30,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517192507] [2020-08-18 12:00:30,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:00:30,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 12:00:30,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283479471] [2020-08-18 12:00:30,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 12:00:30,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:30,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 12:00:30,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 12:00:30,541 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 10 states. [2020-08-18 12:00:31,074 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 12:00:31,617 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:32,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:32,178 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-08-18 12:00:32,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:00:32,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-08-18 12:00:32,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:32,179 INFO L225 Difference]: With dead ends: 220 [2020-08-18 12:00:32,180 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 12:00:32,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 12:00:32,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 12:00:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 12:00:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 12:00:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 12:00:32,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-08-18 12:00:32,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:32,182 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 12:00:32,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 12:00:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 12:00:32,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 12:00:32,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:00:32,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 12:00:33,405 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 29 [2020-08-18 12:00:34,873 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 12:00:35,235 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:35,610 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:35,992 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:36,208 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 12:00:36,789 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 12:00:37,432 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-18 12:00:37,649 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:38,279 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-18 12:00:38,458 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 12:00:39,184 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 12:00:39,643 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 12:00:40,020 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 12:00:40,677 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-18 12:00:40,922 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 12:00:41,373 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:41,846 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 12:00:42,477 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 12:00:42,881 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:43,227 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:43,458 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 12:00:43,626 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-08-18 12:00:43,626 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2020-08-18 12:00:43,626 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-18 12:00:43,626 INFO L268 CegarLoopResult]: For program point L539-2(lines 539 560) no Hoare annotation was computed. [2020-08-18 12:00:43,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 514 569) no Hoare annotation was computed. [2020-08-18 12:00:43,626 INFO L268 CegarLoopResult]: For program point L561(lines 538 562) no Hoare annotation was computed. [2020-08-18 12:00:43,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 514 569) no Hoare annotation was computed. [2020-08-18 12:00:43,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 514 569) no Hoare annotation was computed. [2020-08-18 12:00:43,627 INFO L268 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-08-18 12:00:43,627 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 606) no Hoare annotation was computed. [2020-08-18 12:00:43,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 570 629) no Hoare annotation was computed. [2020-08-18 12:00:43,627 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-08-18 12:00:43,628 INFO L268 CegarLoopResult]: For program point L596-2(lines 596 621) no Hoare annotation was computed. [2020-08-18 12:00:43,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 570 629) no Hoare annotation was computed. [2020-08-18 12:00:43,628 INFO L268 CegarLoopResult]: For program point L622(lines 595 623) no Hoare annotation was computed. [2020-08-18 12:00:43,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 570 629) no Hoare annotation was computed. [2020-08-18 12:00:43,628 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-18 12:00:43,628 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-08-18 12:00:43,629 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 445 451) the Hoare annotation is: true [2020-08-18 12:00:43,629 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 445 451) no Hoare annotation was computed. [2020-08-18 12:00:43,629 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 452 460) no Hoare annotation was computed. [2020-08-18 12:00:43,629 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 452 460) the Hoare annotation is: true [2020-08-18 12:00:43,629 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 452 460) no Hoare annotation was computed. [2020-08-18 12:00:43,629 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 398 422) the Hoare annotation is: true [2020-08-18 12:00:43,630 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:00:43,630 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-08-18 12:00:43,630 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:00:43,630 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-08-18 12:00:43,630 INFO L268 CegarLoopResult]: For program point L406(lines 406 419) no Hoare annotation was computed. [2020-08-18 12:00:43,630 INFO L268 CegarLoopResult]: For program point L406-1(lines 398 422) no Hoare annotation was computed. [2020-08-18 12:00:43,630 INFO L271 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: true [2020-08-18 12:00:43,630 INFO L268 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-08-18 12:00:43,631 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 398 422) no Hoare annotation was computed. [2020-08-18 12:00:43,631 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 900 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,631 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 900 922) no Hoare annotation was computed. [2020-08-18 12:00:43,631 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,631 INFO L264 CegarLoopResult]: At program point L912-1(line 912) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,631 INFO L268 CegarLoopResult]: For program point L910(lines 910 917) no Hoare annotation was computed. [2020-08-18 12:00:43,632 INFO L268 CegarLoopResult]: For program point L910-1(lines 910 917) no Hoare annotation was computed. [2020-08-18 12:00:43,632 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 900 922) no Hoare annotation was computed. [2020-08-18 12:00:43,632 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-08-18 12:00:43,632 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,632 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,632 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 859 882) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 859 882) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 859 882) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-08-18 12:00:43,633 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-08-18 12:00:43,634 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-08-18 12:00:43,635 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-08-18 12:00:43,635 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2020-08-18 12:00:43,635 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2020-08-18 12:00:43,635 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2020-08-18 12:00:43,635 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-08-18 12:00:43,635 INFO L271 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: true [2020-08-18 12:00:43,635 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2020-08-18 12:00:43,635 INFO L268 CegarLoopResult]: For program point L287-1(line 287) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point L274-1(line 274) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 244 279) no Hoare annotation was computed. [2020-08-18 12:00:43,636 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 438 444) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 438 444) the Hoare annotation is: true [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 468 513) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 468 513) no Hoare annotation was computed. [2020-08-18 12:00:43,637 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 468 513) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point L801(lines 801 808) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point L795(lines 795 815) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point L795-1(lines 795 815) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 781 826) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 781 826) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 781 826) no Hoare annotation was computed. [2020-08-18 12:00:43,638 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 890 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,638 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 890 899) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 890 899) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 224 234) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-08-18 12:00:43,639 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: true [2020-08-18 12:00:43,639 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2020-08-18 12:00:43,640 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2020-08-18 12:00:43,640 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 12:00:43,640 INFO L268 CegarLoopResult]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2020-08-18 12:00:43,640 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 165 189) no Hoare annotation was computed. [2020-08-18 12:00:43,640 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 165 189) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 12:00:43,640 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:00:43,641 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:00:43,641 INFO L268 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-08-18 12:00:43,641 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:00:43,641 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-08-18 12:00:43,641 INFO L268 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-08-18 12:00:43,641 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-18 12:00:43,641 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2020-08-18 12:00:43,641 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,642 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-08-18 12:00:43,642 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:00:43,642 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-08-18 12:00:43,642 INFO L264 CegarLoopResult]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,642 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-08-18 12:00:43,642 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,643 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-08-18 12:00:43,643 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,643 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-08-18 12:00:43,643 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-08-18 12:00:43,643 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,643 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,643 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 735 780) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 735 780) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point L755(lines 755 762) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 735 780) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point L749(lines 749 769) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point L749-1(lines 749 769) no Hoare annotation was computed. [2020-08-18 12:00:43,644 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 190 197) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 190 197) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 190 197) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 388 396) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 388 396) the Hoare annotation is: true [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 388 396) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-08-18 12:00:43,645 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 356 378) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 356 378) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 356 378) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 428 437) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 428 437) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 428 437) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 632 734) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point L702(lines 680 703) no Hoare annotation was computed. [2020-08-18 12:00:43,646 INFO L268 CegarLoopResult]: For program point L661(lines 661 677) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L721(lines 721 728) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L682(lines 681 701) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L713(line 713) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L678(lines 678 719) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 632 734) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L697-1(line 697) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 632 734) no Hoare annotation was computed. [2020-08-18 12:00:43,647 INFO L268 CegarLoopResult]: For program point L656(lines 656 660) no Hoare annotation was computed. [2020-08-18 12:00:43,648 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-08-18 12:00:43,648 INFO L268 CegarLoopResult]: For program point L683(lines 683 687) no Hoare annotation was computed. [2020-08-18 12:00:43,648 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 701) no Hoare annotation was computed. [2020-08-18 12:00:43,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,648 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)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 12:00:43,648 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point L210-1(lines 199 215) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 199 215) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 199 215) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-08-18 12:00:43,649 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 379 387) the Hoare annotation is: true [2020-08-18 12:00:43,649 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 379 387) no Hoare annotation was computed. [2020-08-18 12:00:43,650 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 379 387) no Hoare annotation was computed. [2020-08-18 12:00:43,650 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 335 346) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,650 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 335 346) no Hoare annotation was computed. [2020-08-18 12:00:43,650 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-08-18 12:00:43,650 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,650 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,650 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,651 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 12:00:43,651 INFO L264 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 12:00:43,651 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 12:00:43,651 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 12:00:43,651 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2020-08-18 12:00:43,651 INFO L268 CegarLoopResult]: For program point L137(lines 136 155) no Hoare annotation was computed. [2020-08-18 12:00:43,651 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2020-08-18 12:00:43,651 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2020-08-18 12:00:43,652 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2020-08-18 12:00:43,652 INFO L271 CegarLoopResult]: At program point L854(lines 829 858) the Hoare annotation is: true [2020-08-18 12:00:43,652 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-08-18 12:00:43,652 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-08-18 12:00:43,652 INFO L271 CegarLoopResult]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2020-08-18 12:00:43,652 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-18 12:00:43,652 INFO L271 CegarLoopResult]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2020-08-18 12:00:43,653 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-08-18 12:00:43,653 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-08-18 12:00:43,653 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 347 355) no Hoare annotation was computed. [2020-08-18 12:00:43,653 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 347 355) no Hoare annotation was computed. [2020-08-18 12:00:43,653 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 347 355) no Hoare annotation was computed. [2020-08-18 12:00:43,653 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 311 322) the Hoare annotation is: true [2020-08-18 12:00:43,653 INFO L268 CegarLoopResult]: For program point L315-1(lines 311 322) no Hoare annotation was computed. [2020-08-18 12:00:43,653 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 311 322) no Hoare annotation was computed. [2020-08-18 12:00:43,654 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 883 889) no Hoare annotation was computed. [2020-08-18 12:00:43,654 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 883 889) the Hoare annotation is: true [2020-08-18 12:00:43,654 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,654 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 12:00:43,654 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 12:00:43,654 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:00:43,654 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2020-08-18 12:00:43,655 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-18 12:00:43,655 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 299 306) no Hoare annotation was computed. [2020-08-18 12:00:43,655 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 323 334) no Hoare annotation was computed. [2020-08-18 12:00:43,655 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-08-18 12:00:43,655 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 12:00:43,655 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 12:00:43,656 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 12:00:43,656 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 12:00:43,656 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 12:00:43,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:00:43 BoogieIcfgContainer [2020-08-18 12:00:43,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:00:43,675 INFO L168 Benchmark]: Toolchain (without parser) took 28949.60 ms. Allocated memory was 138.9 MB in the beginning and 659.6 MB in the end (delta: 520.6 MB). Free memory was 101.2 MB in the beginning and 183.8 MB in the end (delta: -82.6 MB). Peak memory consumption was 542.7 MB. Max. memory is 7.1 GB. [2020-08-18 12:00:43,676 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 12:00:43,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.06 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 168.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-08-18 12:00:43,677 INFO L168 Benchmark]: Boogie Preprocessor took 91.05 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 12:00:43,678 INFO L168 Benchmark]: RCFGBuilder took 1198.34 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.2 MB in the beginning and 195.3 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-08-18 12:00:43,679 INFO L168 Benchmark]: TraceAbstraction took 27007.08 ms. Allocated memory was 233.3 MB in the beginning and 659.6 MB in the end (delta: 426.2 MB). Free memory was 195.3 MB in the beginning and 183.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 542.5 MB. Max. memory is 7.1 GB. [2020-08-18 12:00:43,683 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 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.06 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 168.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.05 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1198.34 ms. Allocated memory was 201.3 MB in the beginning and 233.3 MB in the end (delta: 32.0 MB). Free memory was 164.2 MB in the beginning and 195.3 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27007.08 ms. Allocated memory was 233.3 MB in the beginning and 659.6 MB in the end (delta: 426.2 MB). Free memory was 195.3 MB in the beginning and 183.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 542.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 530 SDtfs, 1075 SDslu, 373 SDs, 0 SdLazy, 2285 SolverSat, 719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 51203 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9103 FormulaSimplificationTreeSizeReductionInter, 9.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 112304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 25/32 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...