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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:11,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:11,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:11,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:11,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:11,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:11,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:11,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:11,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:11,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:11,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:11,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:11,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:11,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:11,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:11,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:11,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:11,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:11,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:11,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:11,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:11,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:11,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:11,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:11,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:11,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:11,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:11,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:11,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:11,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:11,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:11,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:11,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:11,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:11,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:11,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:11,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:11,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:11,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:11,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:11,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:11,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:11,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:11,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:11,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:11,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:11,426 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:11,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:11,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:11,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:11,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:11,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:11,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:11,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:11,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:11,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:11,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:11,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:11,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:11,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:11,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:11,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:11,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:11,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:11,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:11,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:11,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:11,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:11,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:11,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:11,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:11,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:11,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:11,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:11,803 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:11,803 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:11,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c [2019-10-15 01:20:11,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0110dc49a/fe8e4a2622f84d0aba98e37b29088098/FLAGfd53ba5ce [2019-10-15 01:20:12,369 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:12,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product63.cil.c [2019-10-15 01:20:12,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0110dc49a/fe8e4a2622f84d0aba98e37b29088098/FLAGfd53ba5ce [2019-10-15 01:20:12,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0110dc49a/fe8e4a2622f84d0aba98e37b29088098 [2019-10-15 01:20:12,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:12,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:12,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:12,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:12,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:12,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a9dc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:12, skipping insertion in model container [2019-10-15 01:20:12,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:12" (1/1) ... [2019-10-15 01:20:12,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:12,806 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:13,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:13,320 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:13,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:13,471 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:13,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13 WrapperNode [2019-10-15 01:20:13,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:13,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:13,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:13,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:13,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... [2019-10-15 01:20:13,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:13,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:13,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:13,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:13,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-15 01:20:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:13,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:20:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:14,842 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:14,843 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:14,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:14 BoogieIcfgContainer [2019-10-15 01:20:14,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:14,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:14,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:14,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:14,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:12" (1/3) ... [2019-10-15 01:20:14,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af4f147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:14, skipping insertion in model container [2019-10-15 01:20:14,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:13" (2/3) ... [2019-10-15 01:20:14,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af4f147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:14, skipping insertion in model container [2019-10-15 01:20:14,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:14" (3/3) ... [2019-10-15 01:20:14,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2019-10-15 01:20:14,864 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:14,874 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:14,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:14,918 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:14,918 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:14,918 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:14,918 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:14,919 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:14,919 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:14,919 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:14,919 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states. [2019-10-15 01:20:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:14,954 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,955 INFO L380 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] [2019-10-15 01:20:14,957 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1165852340, now seen corresponding path program 1 times [2019-10-15 01:20:14,973 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,973 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731917333] [2019-10-15 01:20:14,973 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,974 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:15,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731917333] [2019-10-15 01:20:15,366 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,367 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:15,367 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154647005] [2019-10-15 01:20:15,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:15,374 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:15,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:15,389 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 2 states. [2019-10-15 01:20:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,453 INFO L93 Difference]: Finished difference Result 318 states and 399 transitions. [2019-10-15 01:20:15,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:15,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:15,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,471 INFO L225 Difference]: With dead ends: 318 [2019-10-15 01:20:15,471 INFO L226 Difference]: Without dead ends: 161 [2019-10-15 01:20:15,477 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:15,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-10-15 01:20:15,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2019-10-15 01:20:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-10-15 01:20:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 193 transitions. [2019-10-15 01:20:15,540 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 193 transitions. Word has length 51 [2019-10-15 01:20:15,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,541 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 193 transitions. [2019-10-15 01:20:15,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2019-10-15 01:20:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:15,545 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,545 INFO L380 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] [2019-10-15 01:20:15,545 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,546 INFO L82 PathProgramCache]: Analyzing trace with hash -558328651, now seen corresponding path program 1 times [2019-10-15 01:20:15,546 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,546 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745420256] [2019-10-15 01:20:15,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,547 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:15,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745420256] [2019-10-15 01:20:15,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:15,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:15,737 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593001248] [2019-10-15 01:20:15,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:15,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:15,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:15,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:15,740 INFO L87 Difference]: Start difference. First operand 161 states and 193 transitions. Second operand 3 states. [2019-10-15 01:20:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:15,793 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2019-10-15 01:20:15,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:15,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:15,801 INFO L225 Difference]: With dead ends: 261 [2019-10-15 01:20:15,801 INFO L226 Difference]: Without dead ends: 152 [2019-10-15 01:20:15,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-10-15 01:20:15,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-10-15 01:20:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-15 01:20:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2019-10-15 01:20:15,838 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 52 [2019-10-15 01:20:15,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:15,839 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2019-10-15 01:20:15,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2019-10-15 01:20:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:20:15,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:15,845 INFO L380 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] [2019-10-15 01:20:15,846 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:15,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:15,850 INFO L82 PathProgramCache]: Analyzing trace with hash 2137633786, now seen corresponding path program 1 times [2019-10-15 01:20:15,850 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:15,852 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868300910] [2019-10-15 01:20:15,853 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,853 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:15,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868300910] [2019-10-15 01:20:16,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:16,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958413565] [2019-10-15 01:20:16,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:16,051 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:16,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:16,052 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 7 states. [2019-10-15 01:20:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,672 INFO L93 Difference]: Finished difference Result 451 states and 555 transitions. [2019-10-15 01:20:16,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:16,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:20:16,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,682 INFO L225 Difference]: With dead ends: 451 [2019-10-15 01:20:16,682 INFO L226 Difference]: Without dead ends: 327 [2019-10-15 01:20:16,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:16,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-15 01:20:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2019-10-15 01:20:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-10-15 01:20:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 392 transitions. [2019-10-15 01:20:16,747 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 392 transitions. Word has length 56 [2019-10-15 01:20:16,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:16,748 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 392 transitions. [2019-10-15 01:20:16,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:16,748 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 392 transitions. [2019-10-15 01:20:16,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:20:16,751 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:16,751 INFO L380 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] [2019-10-15 01:20:16,751 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:16,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:16,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1129081232, now seen corresponding path program 1 times [2019-10-15 01:20:16,752 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:16,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985989752] [2019-10-15 01:20:16,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,753 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:16,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:16,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985989752] [2019-10-15 01:20:16,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:16,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:16,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788317029] [2019-10-15 01:20:16,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:16,848 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:16,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:16,849 INFO L87 Difference]: Start difference. First operand 319 states and 392 transitions. Second operand 6 states. [2019-10-15 01:20:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,134 INFO L93 Difference]: Finished difference Result 883 states and 1110 transitions. [2019-10-15 01:20:17,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:17,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:20:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,143 INFO L225 Difference]: With dead ends: 883 [2019-10-15 01:20:17,143 INFO L226 Difference]: Without dead ends: 592 [2019-10-15 01:20:17,145 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-10-15 01:20:17,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2019-10-15 01:20:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-10-15 01:20:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 724 transitions. [2019-10-15 01:20:17,207 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 724 transitions. Word has length 62 [2019-10-15 01:20:17,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,207 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 724 transitions. [2019-10-15 01:20:17,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 724 transitions. [2019-10-15 01:20:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:20:17,210 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,211 INFO L380 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, 1, 1] [2019-10-15 01:20:17,211 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1112141772, now seen corresponding path program 1 times [2019-10-15 01:20:17,212 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,212 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365738650] [2019-10-15 01:20:17,212 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,212 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:17,332 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365738650] [2019-10-15 01:20:17,332 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,332 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:17,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55530327] [2019-10-15 01:20:17,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:17,334 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:17,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:17,336 INFO L87 Difference]: Start difference. First operand 586 states and 724 transitions. Second operand 7 states. [2019-10-15 01:20:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,171 INFO L93 Difference]: Finished difference Result 1521 states and 1998 transitions. [2019-10-15 01:20:18,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:18,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:20:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,178 INFO L225 Difference]: With dead ends: 1521 [2019-10-15 01:20:18,179 INFO L226 Difference]: Without dead ends: 963 [2019-10-15 01:20:18,181 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:18,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-10-15 01:20:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 867. [2019-10-15 01:20:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2019-10-15 01:20:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1055 transitions. [2019-10-15 01:20:18,246 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1055 transitions. Word has length 66 [2019-10-15 01:20:18,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,246 INFO L462 AbstractCegarLoop]: Abstraction has 867 states and 1055 transitions. [2019-10-15 01:20:18,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1055 transitions. [2019-10-15 01:20:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:18,250 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,250 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,250 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,251 INFO L82 PathProgramCache]: Analyzing trace with hash 831572138, now seen corresponding path program 1 times [2019-10-15 01:20:18,251 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660817660] [2019-10-15 01:20:18,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:18,394 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660817660] [2019-10-15 01:20:18,394 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:18,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590694871] [2019-10-15 01:20:18,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:18,398 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:18,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:18,398 INFO L87 Difference]: Start difference. First operand 867 states and 1055 transitions. Second operand 8 states. [2019-10-15 01:20:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,459 INFO L93 Difference]: Finished difference Result 1734 states and 2186 transitions. [2019-10-15 01:20:18,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:18,460 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-15 01:20:18,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,466 INFO L225 Difference]: With dead ends: 1734 [2019-10-15 01:20:18,467 INFO L226 Difference]: Without dead ends: 895 [2019-10-15 01:20:18,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-15 01:20:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 883. [2019-10-15 01:20:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2019-10-15 01:20:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1071 transitions. [2019-10-15 01:20:18,524 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1071 transitions. Word has length 108 [2019-10-15 01:20:18,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,524 INFO L462 AbstractCegarLoop]: Abstraction has 883 states and 1071 transitions. [2019-10-15 01:20:18,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1071 transitions. [2019-10-15 01:20:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:18,527 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,528 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,528 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1107589908, now seen corresponding path program 1 times [2019-10-15 01:20:18,529 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350634406] [2019-10-15 01:20:18,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,529 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:18,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350634406] [2019-10-15 01:20:18,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,624 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:18,624 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508138832] [2019-10-15 01:20:18,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:18,626 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:18,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:18,626 INFO L87 Difference]: Start difference. First operand 883 states and 1071 transitions. Second operand 6 states. [2019-10-15 01:20:18,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:18,699 INFO L93 Difference]: Finished difference Result 1766 states and 2218 transitions. [2019-10-15 01:20:18,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:18,700 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-15 01:20:18,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:18,705 INFO L225 Difference]: With dead ends: 1766 [2019-10-15 01:20:18,706 INFO L226 Difference]: Without dead ends: 911 [2019-10-15 01:20:18,708 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:18,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2019-10-15 01:20:18,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 903. [2019-10-15 01:20:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2019-10-15 01:20:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1091 transitions. [2019-10-15 01:20:18,759 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1091 transitions. Word has length 108 [2019-10-15 01:20:18,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:18,760 INFO L462 AbstractCegarLoop]: Abstraction has 903 states and 1091 transitions. [2019-10-15 01:20:18,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1091 transitions. [2019-10-15 01:20:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:20:18,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:18,763 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:18,763 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:18,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:18,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1600742153, now seen corresponding path program 1 times [2019-10-15 01:20:18,764 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:18,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130240013] [2019-10-15 01:20:18,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:18,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:18,850 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130240013] [2019-10-15 01:20:18,850 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:18,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:18,851 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474579765] [2019-10-15 01:20:18,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:18,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:18,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:18,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:18,852 INFO L87 Difference]: Start difference. First operand 903 states and 1091 transitions. Second operand 4 states. [2019-10-15 01:20:19,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:19,184 INFO L93 Difference]: Finished difference Result 2845 states and 3606 transitions. [2019-10-15 01:20:19,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:19,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-15 01:20:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:19,198 INFO L225 Difference]: With dead ends: 2845 [2019-10-15 01:20:19,198 INFO L226 Difference]: Without dead ends: 1970 [2019-10-15 01:20:19,202 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:19,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2019-10-15 01:20:19,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1939. [2019-10-15 01:20:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2019-10-15 01:20:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2407 transitions. [2019-10-15 01:20:19,357 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2407 transitions. Word has length 108 [2019-10-15 01:20:19,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:19,358 INFO L462 AbstractCegarLoop]: Abstraction has 1939 states and 2407 transitions. [2019-10-15 01:20:19,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2407 transitions. [2019-10-15 01:20:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:20:19,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:19,363 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:19,363 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:19,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1324720637, now seen corresponding path program 1 times [2019-10-15 01:20:19,364 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:19,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152096120] [2019-10-15 01:20:19,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:19,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:19,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152096120] [2019-10-15 01:20:19,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094121891] [2019-10-15 01:20:19,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:19,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:19,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:19,942 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:21,483 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:21,483 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:21,483 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786060353] [2019-10-15 01:20:21,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:21,484 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:21,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:21,485 INFO L87 Difference]: Start difference. First operand 1939 states and 2407 transitions. Second operand 8 states. [2019-10-15 01:20:22,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,046 INFO L93 Difference]: Finished difference Result 3820 states and 4764 transitions. [2019-10-15 01:20:22,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:22,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2019-10-15 01:20:22,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,069 INFO L225 Difference]: With dead ends: 3820 [2019-10-15 01:20:22,070 INFO L226 Difference]: Without dead ends: 1909 [2019-10-15 01:20:22,080 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 206 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:22,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2019-10-15 01:20:22,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1909. [2019-10-15 01:20:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2019-10-15 01:20:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 2321 transitions. [2019-10-15 01:20:22,216 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 2321 transitions. Word has length 112 [2019-10-15 01:20:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,218 INFO L462 AbstractCegarLoop]: Abstraction has 1909 states and 2321 transitions. [2019-10-15 01:20:22,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2321 transitions. [2019-10-15 01:20:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-15 01:20:22,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,231 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,436 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:22,437 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2125737693, now seen corresponding path program 1 times [2019-10-15 01:20:22,438 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402756217] [2019-10-15 01:20:22,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:22,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402756217] [2019-10-15 01:20:22,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094799094] [2019-10-15 01:20:22,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:22,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:20:23,084 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-15 01:20:23,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:23,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:23,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014178259] [2019-10-15 01:20:23,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:23,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:23,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:23,657 INFO L87 Difference]: Start difference. First operand 1909 states and 2321 transitions. Second operand 8 states. [2019-10-15 01:20:24,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:24,104 INFO L93 Difference]: Finished difference Result 3211 states and 3975 transitions. [2019-10-15 01:20:24,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:24,104 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2019-10-15 01:20:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:24,106 INFO L225 Difference]: With dead ends: 3211 [2019-10-15 01:20:24,106 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:24,115 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:24,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:24,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:24,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:24,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2019-10-15 01:20:24,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:24,117 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:24,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:24,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:24,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:24,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:24,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:25,449 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:20:25,700 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-10-15 01:20:25,993 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 18 [2019-10-15 01:20:26,378 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 32 [2019-10-15 01:20:26,499 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:20:26,622 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2019-10-15 01:20:26,764 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2019-10-15 01:20:26,927 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2019-10-15 01:20:27,236 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-10-15 01:20:27,766 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-10-15 01:20:27,958 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 17 [2019-10-15 01:20:28,238 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 19 [2019-10-15 01:20:28,628 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2019-10-15 01:20:29,111 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-10-15 01:20:29,541 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2019-10-15 01:20:29,914 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 31 [2019-10-15 01:20:29,917 INFO L443 ceAbstractionStarter]: For program point L763(lines 740 764) no Hoare annotation was computed. [2019-10-15 01:20:29,917 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 716 771) no Hoare annotation was computed. [2019-10-15 01:20:29,917 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L747-1(lines 747 751) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 716 771) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 762) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 716 771) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L798-2(lines 798 823) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L824(lines 797 825) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 772 831) no Hoare annotation was computed. [2019-10-15 01:20:29,918 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 772 831) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 772 831) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 808) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point L804-1(lines 804 808) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 647 653) the Hoare annotation is: true [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 647 653) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 654 662) no Hoare annotation was computed. [2019-10-15 01:20:29,919 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 654 662) the Hoare annotation is: true [2019-10-15 01:20:29,920 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 654 662) no Hoare annotation was computed. [2019-10-15 01:20:29,920 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,920 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,920 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,920 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,921 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-15 01:20:29,921 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2019-10-15 01:20:29,921 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,921 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,921 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-15 01:20:29,921 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-15 01:20:29,921 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-15 01:20:29,921 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-15 01:20:29,922 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-15 01:20:29,923 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-15 01:20:29,923 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-15 01:20:29,923 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-15 01:20:29,923 INFO L439 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:29,923 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:29,923 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2019-10-15 01:20:29,923 INFO L439 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:29,923 INFO L443 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2019-10-15 01:20:29,923 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2019-10-15 01:20:29,924 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 435 459) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:29,924 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 435 459) no Hoare annotation was computed. [2019-10-15 01:20:29,924 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:20:29,924 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 435 459) no Hoare annotation was computed. [2019-10-15 01:20:29,924 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 613 627) no Hoare annotation was computed. [2019-10-15 01:20:29,924 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse6) (or .cse3 .cse6) (or .cse0 .cse4 .cse5))) [2019-10-15 01:20:29,924 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-15 01:20:29,925 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 613 627) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (or .cse6 .cse5) .cse7) (or .cse2 .cse1 .cse5) (or .cse0 .cse3 .cse4))) [2019-10-15 01:20:29,925 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 613 627) no Hoare annotation was computed. [2019-10-15 01:20:29,925 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 530 538) no Hoare annotation was computed. [2019-10-15 01:20:29,925 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 530 538) the Hoare annotation is: true [2019-10-15 01:20:29,925 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 530 538) no Hoare annotation was computed. [2019-10-15 01:20:29,925 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2019-10-15 01:20:29,925 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 594 612) the Hoare annotation is: true [2019-10-15 01:20:29,926 INFO L446 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 594 612) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 594 612) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point L546-2(lines 546 554) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-10-15 01:20:29,926 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 539 574) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 566) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point L558-2(lines 558 566) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 539 574) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 539 574) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 554) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 640 646) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 640 646) the Hoare annotation is: true [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 670 715) no Hoare annotation was computed. [2019-10-15 01:20:29,927 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 670 715) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 670 715) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 983 1028) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point L1003(lines 1003 1010) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 983 1028) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 983 1028) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point L997(lines 997 1017) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L443 ceAbstractionStarter]: For program point L997-1(lines 997 1017) no Hoare annotation was computed. [2019-10-15 01:20:29,928 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,929 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,929 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-15 01:20:29,929 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-15 01:20:29,929 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 519 529) the Hoare annotation is: true [2019-10-15 01:20:29,929 INFO L446 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: true [2019-10-15 01:20:29,929 INFO L443 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2019-10-15 01:20:29,929 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 519 529) no Hoare annotation was computed. [2019-10-15 01:20:29,929 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 519 529) no Hoare annotation was computed. [2019-10-15 01:20:29,930 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 511 518) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:20:29,930 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 511 518) no Hoare annotation was computed. [2019-10-15 01:20:29,930 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 511 518) no Hoare annotation was computed. [2019-10-15 01:20:29,930 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 290) no Hoare annotation was computed. [2019-10-15 01:20:29,930 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 280 293) no Hoare annotation was computed. [2019-10-15 01:20:29,930 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 280 293) the Hoare annotation is: true [2019-10-15 01:20:29,930 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 280 293) no Hoare annotation was computed. [2019-10-15 01:20:29,931 INFO L439 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:20:29,931 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 461 485) no Hoare annotation was computed. [2019-10-15 01:20:29,931 INFO L439 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:20:29,931 INFO L439 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse2)) (or .cse3 .cse1 .cse4) (or .cse2 .cse1 .cse4) (or .cse0 .cse3 .cse1))) [2019-10-15 01:20:29,931 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 461 485) no Hoare annotation was computed. [2019-10-15 01:20:29,931 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2019-10-15 01:20:29,932 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 461 485) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0))) [2019-10-15 01:20:29,932 INFO L439 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2019-10-15 01:20:29,932 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-10-15 01:20:29,932 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 482) no Hoare annotation was computed. [2019-10-15 01:20:29,932 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 401 407) no Hoare annotation was computed. [2019-10-15 01:20:29,932 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 401 407) the Hoare annotation is: true [2019-10-15 01:20:29,933 INFO L439 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:20:29,933 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 305 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,933 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 357) no Hoare annotation was computed. [2019-10-15 01:20:29,933 INFO L439 ceAbstractionStarter]: At program point L351-1(lines 345 358) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse4) (and .cse0 .cse1 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse2))) [2019-10-15 01:20:29,933 INFO L443 ceAbstractionStarter]: For program point L316(lines 315 362) no Hoare annotation was computed. [2019-10-15 01:20:29,933 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 358) no Hoare annotation was computed. [2019-10-15 01:20:29,933 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 305 370) no Hoare annotation was computed. [2019-10-15 01:20:29,934 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:20:29,934 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 341) no Hoare annotation was computed. [2019-10-15 01:20:29,934 INFO L443 ceAbstractionStarter]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2019-10-15 01:20:29,934 INFO L439 ceAbstractionStarter]: At program point L360(lines 315 362) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:20:29,934 INFO L439 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-15 01:20:29,934 INFO L443 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point L325-1(lines 325 331) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L439 ceAbstractionStarter]: At program point L363(lines 314 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 305 370) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 964) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 937 982) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point L951(lines 951 971) no Hoare annotation was computed. [2019-10-15 01:20:29,935 INFO L443 ceAbstractionStarter]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2019-10-15 01:20:29,936 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 937 982) no Hoare annotation was computed. [2019-10-15 01:20:29,936 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 937 982) no Hoare annotation was computed. [2019-10-15 01:20:29,936 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 486 493) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-15 01:20:29,936 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 486 493) no Hoare annotation was computed. [2019-10-15 01:20:29,936 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 486 493) no Hoare annotation was computed. [2019-10-15 01:20:29,936 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 294 302) no Hoare annotation was computed. [2019-10-15 01:20:29,936 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 294 302) the Hoare annotation is: true [2019-10-15 01:20:29,936 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 294 302) no Hoare annotation was computed. [2019-10-15 01:20:29,937 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-15 01:20:29,937 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-15 01:20:29,937 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 188) no Hoare annotation was computed. [2019-10-15 01:20:29,937 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 166 194) the Hoare annotation is: true [2019-10-15 01:20:29,937 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:20:29,937 INFO L443 ceAbstractionStarter]: For program point L176-1(line 176) no Hoare annotation was computed. [2019-10-15 01:20:29,937 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 191) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 166 194) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 166 194) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 158 165) the Hoare annotation is: true [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-10-15 01:20:29,938 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 264) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 248 270) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 248 270) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 248 270) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 630 639) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 630 639) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 630 639) no Hoare annotation was computed. [2019-10-15 01:20:29,939 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 879) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 834 936) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 930) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L884(lines 883 903) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 921) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 834 936) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2019-10-15 01:20:29,940 INFO L443 ceAbstractionStarter]: For program point L899-1(line 899) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 933) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 889) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 834 936) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point L883-2(lines 883 903) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point L904(lines 882 905) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,941 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:29,942 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,942 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 494 510) no Hoare annotation was computed. [2019-10-15 01:20:29,942 INFO L439 ceAbstractionStarter]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:20:29,942 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 494 510) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:20:29,942 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 494 510) no Hoare annotation was computed. [2019-10-15 01:20:29,942 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 507) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L439 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 271 279) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 271 279) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 271 279) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 575 593) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2019-10-15 01:20:29,943 INFO L446 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2019-10-15 01:20:29,943 INFO L443 ceAbstractionStarter]: For program point L584-2(lines 584 588) no Hoare annotation was computed. [2019-10-15 01:20:29,944 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 575 593) the Hoare annotation is: true [2019-10-15 01:20:29,944 INFO L443 ceAbstractionStarter]: For program point L582-1(line 582) no Hoare annotation was computed. [2019-10-15 01:20:29,944 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 575 593) no Hoare annotation was computed. [2019-10-15 01:20:29,944 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 227 238) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-15 01:20:29,944 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2019-10-15 01:20:29,944 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 227 238) no Hoare annotation was computed. [2019-10-15 01:20:29,944 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,945 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,945 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,945 INFO L439 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-15 01:20:29,945 INFO L443 ceAbstractionStarter]: For program point L381(lines 380 399) no Hoare annotation was computed. [2019-10-15 01:20:29,945 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 377 400) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse11)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse6 (and .cse11 .cse10)) (.cse7 (not .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and .cse2 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse3 .cse8) (or .cse9 .cse1 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse9) (or .cse4 .cse0 .cse2 .cse1) (or .cse4 .cse0 .cse5 .cse8))))) [2019-10-15 01:20:29,945 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 377 400) no Hoare annotation was computed. [2019-10-15 01:20:29,946 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 377 400) no Hoare annotation was computed. [2019-10-15 01:20:29,946 INFO L439 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse6 (not .cse1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse7) (or .cse8 .cse9 .cse3) (or .cse1 .cse4 .cse0 .cse2) (or .cse5 .cse0 .cse3 .cse6) (or .cse7 .cse0 .cse3) (or .cse4 .cse9 .cse8)))) [2019-10-15 01:20:29,946 INFO L439 ceAbstractionStarter]: At program point L388(lines 388 394) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse10 (not .cse11)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse11 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~methaneLevelCritical~0) .cse10 (not (= 0 ~systemActive~0)))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse4 .cse7 .cse9) (or .cse0 .cse8 .cse9))))) [2019-10-15 01:20:29,946 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-15 01:20:29,946 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-15 01:20:29,946 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-15 01:20:29,947 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 01:20:29,947 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-15 01:20:29,947 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-15 01:20:29,947 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-15 01:20:29,947 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-15 01:20:29,947 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-15 01:20:29,947 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-15 01:20:29,947 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 239 247) the Hoare annotation is: true [2019-10-15 01:20:29,947 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 239 247) no Hoare annotation was computed. [2019-10-15 01:20:29,948 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 239 247) no Hoare annotation was computed. [2019-10-15 01:20:29,948 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 203 214) the Hoare annotation is: true [2019-10-15 01:20:29,948 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 203 214) no Hoare annotation was computed. [2019-10-15 01:20:29,948 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 203 214) no Hoare annotation was computed. [2019-10-15 01:20:29,948 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 01:20:29,948 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 01:20:29,948 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,948 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:20:29,948 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:29,949 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:29,949 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-10-15 01:20:29,949 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 409 433) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 01:20:29,949 INFO L439 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2019-10-15 01:20:29,949 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-10-15 01:20:29,949 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 430) no Hoare annotation was computed. [2019-10-15 01:20:29,949 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 409 433) no Hoare annotation was computed. [2019-10-15 01:20:29,949 INFO L439 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:20:29,949 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2019-10-15 01:20:29,950 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3)) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:29,950 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~waterLevel~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2019-10-15 01:20:29,950 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 215 226) no Hoare annotation was computed. [2019-10-15 01:20:29,950 INFO L443 ceAbstractionStarter]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2019-10-15 01:20:29,950 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 215 226) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:20:29,951 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2019-10-15 01:20:29,951 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2019-10-15 01:20:29,951 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 146 153) the Hoare annotation is: true [2019-10-15 01:20:29,951 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2019-10-15 01:20:29,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:29 BoogieIcfgContainer [2019-10-15 01:20:29,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:29,968 INFO L168 Benchmark]: Toolchain (without parser) took 17245.93 ms. Allocated memory was 141.6 MB in the beginning and 487.6 MB in the end (delta: 346.0 MB). Free memory was 99.4 MB in the beginning and 126.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 368.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:29,969 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:29,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.83 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 99.2 MB in the beginning and 165.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:29,970 INFO L168 Benchmark]: Boogie Preprocessor took 111.44 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:29,971 INFO L168 Benchmark]: RCFGBuilder took 1260.17 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 161.1 MB in the beginning and 188.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:29,972 INFO L168 Benchmark]: TraceAbstraction took 15120.23 ms. Allocated memory was 229.1 MB in the beginning and 487.6 MB in the end (delta: 258.5 MB). Free memory was 188.5 MB in the beginning and 126.8 MB in the end (delta: 61.8 MB). Peak memory consumption was 369.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:29,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.83 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 99.2 MB in the beginning and 165.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.44 ms. Allocated memory is still 200.3 MB. Free memory was 165.4 MB in the beginning and 161.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1260.17 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 161.1 MB in the beginning and 188.5 MB in the end (delta: -27.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15120.23 ms. Allocated memory was 229.1 MB in the beginning and 487.6 MB in the end (delta: 258.5 MB). Free memory was 188.5 MB in the beginning and 126.8 MB in the end (delta: 61.8 MB). Peak memory consumption was 369.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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: 314]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 263 locations, 1 error locations. Result: SAFE, OverallTime: 15.0s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, HoareTripleCheckerStatistics: 2229 SDtfs, 1190 SDslu, 6147 SDs, 0 SdLazy, 1619 SolverSat, 207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 587 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1939occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 161 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 3952 PreInvPairs, 4199 NumberOfFragments, 1956 HoareAnnotationTreeSize, 3952 FomulaSimplifications, 3697 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 73 FomulaSimplificationsInter, 16002 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1197 NumberOfCodeBlocks, 1197 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1476 ConstructedInterpolants, 0 QuantifiedInterpolants, 275372 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1805 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 166/174 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...